./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product62_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9ebfb004-100d-4c3b-9d31-347f19e8586c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9ebfb004-100d-4c3b-9d31-347f19e8586c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9ebfb004-100d-4c3b-9d31-347f19e8586c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9ebfb004-100d-4c3b-9d31-347f19e8586c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product62_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9ebfb004-100d-4c3b-9d31-347f19e8586c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9ebfb004-100d-4c3b-9d31-347f19e8586c/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 3c089be7b4887d2975165f6135c093492cb2095b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 07:10:59,497 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 07:10:59,498 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 07:10:59,506 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 07:10:59,506 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 07:10:59,506 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 07:10:59,507 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 07:10:59,508 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 07:10:59,509 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 07:10:59,510 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 07:10:59,511 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 07:10:59,511 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 07:10:59,512 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 07:10:59,512 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 07:10:59,513 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 07:10:59,514 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 07:10:59,514 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 07:10:59,515 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 07:10:59,517 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 07:10:59,518 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 07:10:59,519 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 07:10:59,519 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 07:10:59,521 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 07:10:59,521 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 07:10:59,521 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 07:10:59,522 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 07:10:59,523 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 07:10:59,523 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 07:10:59,524 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 07:10:59,525 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 07:10:59,525 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 07:10:59,526 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 07:10:59,526 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 07:10:59,526 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 07:10:59,527 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 07:10:59,527 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 07:10:59,527 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9ebfb004-100d-4c3b-9d31-347f19e8586c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 07:10:59,537 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 07:10:59,538 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 07:10:59,538 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 07:10:59,538 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 07:10:59,539 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 07:10:59,539 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 07:10:59,539 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 07:10:59,539 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 07:10:59,539 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 07:10:59,539 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 07:10:59,539 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 07:10:59,540 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 07:10:59,540 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 07:10:59,540 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 07:10:59,540 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 07:10:59,541 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 07:10:59,541 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 07:10:59,541 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 07:10:59,541 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 07:10:59,541 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 07:10:59,541 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 07:10:59,541 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 07:10:59,542 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 07:10:59,542 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 07:10:59,542 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 07:10:59,542 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 07:10:59,542 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 07:10:59,542 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 07:10:59,542 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 07:10:59,543 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 07:10:59,543 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 07:10:59,543 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 07:10:59,543 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 07:10:59,543 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 07:10:59,543 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_9ebfb004-100d-4c3b-9d31-347f19e8586c/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 -> 3c089be7b4887d2975165f6135c093492cb2095b [2018-11-10 07:10:59,565 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 07:10:59,573 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 07:10:59,575 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 07:10:59,576 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 07:10:59,576 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 07:10:59,576 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9ebfb004-100d-4c3b-9d31-347f19e8586c/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product62_true-unreach-call_false-termination.cil.c [2018-11-10 07:10:59,613 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9ebfb004-100d-4c3b-9d31-347f19e8586c/bin-2019/utaipan/data/a5e56325c/24b2ef235e17470881c590ff54d33e19/FLAGb125d9f4d [2018-11-10 07:11:00,054 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 07:11:00,054 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9ebfb004-100d-4c3b-9d31-347f19e8586c/sv-benchmarks/c/product-lines/minepump_spec1_product62_true-unreach-call_false-termination.cil.c [2018-11-10 07:11:00,061 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9ebfb004-100d-4c3b-9d31-347f19e8586c/bin-2019/utaipan/data/a5e56325c/24b2ef235e17470881c590ff54d33e19/FLAGb125d9f4d [2018-11-10 07:11:00,070 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9ebfb004-100d-4c3b-9d31-347f19e8586c/bin-2019/utaipan/data/a5e56325c/24b2ef235e17470881c590ff54d33e19 [2018-11-10 07:11:00,072 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 07:11:00,073 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 07:11:00,073 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 07:11:00,073 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 07:11:00,076 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 07:11:00,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:11:00" (1/1) ... [2018-11-10 07:11:00,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@397e60ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:00, skipping insertion in model container [2018-11-10 07:11:00,079 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 07:11:00" (1/1) ... [2018-11-10 07:11:00,085 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 07:11:00,116 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 07:11:00,300 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:11:00,308 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 07:11:00,362 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 07:11:00,384 INFO L193 MainTranslator]: Completed translation [2018-11-10 07:11:00,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:00 WrapperNode [2018-11-10 07:11:00,384 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 07:11:00,385 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 07:11:00,385 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 07:11:00,385 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 07:11:00,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:00" (1/1) ... [2018-11-10 07:11:00,462 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:00" (1/1) ... [2018-11-10 07:11:00,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 07:11:00,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 07:11:00,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 07:11:00,487 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 07:11:00,494 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:00" (1/1) ... [2018-11-10 07:11:00,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:00" (1/1) ... [2018-11-10 07:11:00,499 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:00" (1/1) ... [2018-11-10 07:11:00,499 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:00" (1/1) ... [2018-11-10 07:11:00,508 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:00" (1/1) ... [2018-11-10 07:11:00,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:00" (1/1) ... [2018-11-10 07:11:00,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:00" (1/1) ... [2018-11-10 07:11:00,519 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 07:11:00,520 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 07:11:00,520 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 07:11:00,520 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 07:11:00,521 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9ebfb004-100d-4c3b-9d31-347f19e8586c/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 [2018-11-10 07:11:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 07:11:00,572 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 07:11:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 07:11:00,572 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 07:11:00,572 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-10 07:11:00,573 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-10 07:11:00,573 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 07:11:00,573 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 07:11:00,573 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 07:11:00,573 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 07:11:00,573 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-10 07:11:00,573 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-10 07:11:00,573 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-10 07:11:00,573 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-10 07:11:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 07:11:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 07:11:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-10 07:11:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-10 07:11:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-10 07:11:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-10 07:11:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-10 07:11:00,574 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-10 07:11:00,574 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-10 07:11:00,575 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-10 07:11:00,575 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 07:11:00,575 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 07:11:00,575 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 07:11:00,575 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 07:11:00,575 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 07:11:00,575 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 07:11:00,575 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 07:11:00,575 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 07:11:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-10 07:11:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-10 07:11:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-10 07:11:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-10 07:11:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 07:11:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 07:11:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 07:11:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 07:11:00,576 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 07:11:00,576 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 07:11:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 07:11:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 07:11:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 07:11:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 07:11:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 07:11:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 07:11:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-10 07:11:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-10 07:11:00,577 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 07:11:00,577 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 07:11:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 07:11:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 07:11:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 07:11:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 07:11:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 07:11:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 07:11:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 07:11:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 07:11:00,578 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-10 07:11:00,578 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-10 07:11:01,232 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 07:11:01,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:11:01 BoogieIcfgContainer [2018-11-10 07:11:01,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 07:11:01,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 07:11:01,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 07:11:01,235 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 07:11:01,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 07:11:00" (1/3) ... [2018-11-10 07:11:01,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@305d84a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:11:01, skipping insertion in model container [2018-11-10 07:11:01,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 07:11:00" (2/3) ... [2018-11-10 07:11:01,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@305d84a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 07:11:01, skipping insertion in model container [2018-11-10 07:11:01,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:11:01" (3/3) ... [2018-11-10 07:11:01,238 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product62_true-unreach-call_false-termination.cil.c [2018-11-10 07:11:01,244 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 07:11:01,249 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 07:11:01,259 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 07:11:01,280 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 07:11:01,280 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 07:11:01,280 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 07:11:01,280 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 07:11:01,280 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 07:11:01,280 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 07:11:01,281 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 07:11:01,281 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 07:11:01,294 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2018-11-10 07:11:01,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 07:11:01,301 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:11:01,301 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:11:01,303 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:11:01,308 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:11:01,308 INFO L82 PathProgramCache]: Analyzing trace with hash 892481509, now seen corresponding path program 1 times [2018-11-10 07:11:01,309 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:11:01,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:11:01,338 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:11:01,338 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:11:01,338 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:11:01,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:11:01,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:11:01,488 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:11:01,488 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 07:11:01,489 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:11:01,492 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 07:11:01,499 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 07:11:01,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 07:11:01,501 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 2 states. [2018-11-10 07:11:01,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:11:01,533 INFO L93 Difference]: Finished difference Result 312 states and 387 transitions. [2018-11-10 07:11:01,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 07:11:01,534 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-10 07:11:01,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:11:01,543 INFO L225 Difference]: With dead ends: 312 [2018-11-10 07:11:01,543 INFO L226 Difference]: Without dead ends: 156 [2018-11-10 07:11:01,546 INFO L605 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 [2018-11-10 07:11:01,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-11-10 07:11:01,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2018-11-10 07:11:01,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-11-10 07:11:01,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 185 transitions. [2018-11-10 07:11:01,586 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 185 transitions. Word has length 46 [2018-11-10 07:11:01,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:11:01,587 INFO L481 AbstractCegarLoop]: Abstraction has 156 states and 185 transitions. [2018-11-10 07:11:01,587 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 07:11:01,587 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 185 transitions. [2018-11-10 07:11:01,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 07:11:01,589 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:11:01,590 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:11:01,590 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:11:01,590 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:11:01,590 INFO L82 PathProgramCache]: Analyzing trace with hash 823008780, now seen corresponding path program 1 times [2018-11-10 07:11:01,591 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:11:01,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:11:01,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:11:01,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:11:01,592 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:11:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:11:01,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:11:01,686 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:11:01,686 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 07:11:01,686 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:11:01,688 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 07:11:01,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 07:11:01,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 07:11:01,689 INFO L87 Difference]: Start difference. First operand 156 states and 185 transitions. Second operand 3 states. [2018-11-10 07:11:01,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:11:01,711 INFO L93 Difference]: Finished difference Result 255 states and 303 transitions. [2018-11-10 07:11:01,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 07:11:01,711 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-10 07:11:01,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:11:01,713 INFO L225 Difference]: With dead ends: 255 [2018-11-10 07:11:01,713 INFO L226 Difference]: Without dead ends: 146 [2018-11-10 07:11:01,715 INFO L605 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 [2018-11-10 07:11:01,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-11-10 07:11:01,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-11-10 07:11:01,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-11-10 07:11:01,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 172 transitions. [2018-11-10 07:11:01,728 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 172 transitions. Word has length 48 [2018-11-10 07:11:01,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:11:01,729 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 172 transitions. [2018-11-10 07:11:01,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 07:11:01,729 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 172 transitions. [2018-11-10 07:11:01,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 07:11:01,730 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:11:01,731 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] [2018-11-10 07:11:01,731 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:11:01,732 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:11:01,732 INFO L82 PathProgramCache]: Analyzing trace with hash -216443654, now seen corresponding path program 1 times [2018-11-10 07:11:01,732 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:11:01,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:11:01,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:11:01,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:11:01,733 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:11:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:11:01,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:11:01,861 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:11:01,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 07:11:01,862 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:11:01,862 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 07:11:01,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 07:11:01,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 07:11:01,863 INFO L87 Difference]: Start difference. First operand 146 states and 172 transitions. Second operand 7 states. [2018-11-10 07:11:02,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:11:02,176 INFO L93 Difference]: Finished difference Result 268 states and 321 transitions. [2018-11-10 07:11:02,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 07:11:02,177 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-11-10 07:11:02,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:11:02,178 INFO L225 Difference]: With dead ends: 268 [2018-11-10 07:11:02,179 INFO L226 Difference]: Without dead ends: 146 [2018-11-10 07:11:02,180 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-10 07:11:02,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-11-10 07:11:02,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-11-10 07:11:02,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-11-10 07:11:02,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 171 transitions. [2018-11-10 07:11:02,193 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 171 transitions. Word has length 53 [2018-11-10 07:11:02,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:11:02,194 INFO L481 AbstractCegarLoop]: Abstraction has 146 states and 171 transitions. [2018-11-10 07:11:02,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 07:11:02,194 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 171 transitions. [2018-11-10 07:11:02,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-10 07:11:02,197 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:11:02,197 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] [2018-11-10 07:11:02,198 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:11:02,198 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:11:02,198 INFO L82 PathProgramCache]: Analyzing trace with hash 147287184, now seen corresponding path program 1 times [2018-11-10 07:11:02,199 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:11:02,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:11:02,200 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:11:02,200 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:11:02,200 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:11:02,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:11:02,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:11:02,326 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:11:02,326 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-10 07:11:02,326 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:11:02,327 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-10 07:11:02,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-10 07:11:02,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-10 07:11:02,327 INFO L87 Difference]: Start difference. First operand 146 states and 171 transitions. Second operand 5 states. [2018-11-10 07:11:02,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:11:02,801 INFO L93 Difference]: Finished difference Result 384 states and 464 transitions. [2018-11-10 07:11:02,801 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 07:11:02,802 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-11-10 07:11:02,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:11:02,804 INFO L225 Difference]: With dead ends: 384 [2018-11-10 07:11:02,804 INFO L226 Difference]: Without dead ends: 262 [2018-11-10 07:11:02,805 INFO L605 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 [2018-11-10 07:11:02,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2018-11-10 07:11:02,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 242. [2018-11-10 07:11:02,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2018-11-10 07:11:02,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 274 transitions. [2018-11-10 07:11:02,829 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 274 transitions. Word has length 71 [2018-11-10 07:11:02,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:11:02,830 INFO L481 AbstractCegarLoop]: Abstraction has 242 states and 274 transitions. [2018-11-10 07:11:02,830 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-10 07:11:02,830 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 274 transitions. [2018-11-10 07:11:02,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-10 07:11:02,831 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:11:02,831 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] [2018-11-10 07:11:02,832 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:11:02,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:11:02,832 INFO L82 PathProgramCache]: Analyzing trace with hash -122443307, now seen corresponding path program 1 times [2018-11-10 07:11:02,832 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:11:02,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:11:02,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:11:02,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:11:02,833 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:11:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:11:02,933 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:11:02,934 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:11:02,934 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 07:11:02,934 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:11:02,934 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 07:11:02,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 07:11:02,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 07:11:02,935 INFO L87 Difference]: Start difference. First operand 242 states and 274 transitions. Second operand 6 states. [2018-11-10 07:11:03,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:11:03,261 INFO L93 Difference]: Finished difference Result 663 states and 772 transitions. [2018-11-10 07:11:03,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 07:11:03,262 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-11-10 07:11:03,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:11:03,265 INFO L225 Difference]: With dead ends: 663 [2018-11-10 07:11:03,265 INFO L226 Difference]: Without dead ends: 445 [2018-11-10 07:11:03,266 INFO L605 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 [2018-11-10 07:11:03,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2018-11-10 07:11:03,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 439. [2018-11-10 07:11:03,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2018-11-10 07:11:03,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 498 transitions. [2018-11-10 07:11:03,298 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 498 transitions. Word has length 85 [2018-11-10 07:11:03,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:11:03,299 INFO L481 AbstractCegarLoop]: Abstraction has 439 states and 498 transitions. [2018-11-10 07:11:03,299 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 07:11:03,299 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 498 transitions. [2018-11-10 07:11:03,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-10 07:11:03,300 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:11:03,300 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] [2018-11-10 07:11:03,300 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:11:03,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:11:03,301 INFO L82 PathProgramCache]: Analyzing trace with hash -47074767, now seen corresponding path program 1 times [2018-11-10 07:11:03,301 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:11:03,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:11:03,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:11:03,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:11:03,302 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:11:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:11:03,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 07:11:03,407 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:11:03,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 07:11:03,407 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:11:03,408 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 07:11:03,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 07:11:03,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-10 07:11:03,408 INFO L87 Difference]: Start difference. First operand 439 states and 498 transitions. Second operand 7 states. [2018-11-10 07:11:03,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:11:03,886 INFO L93 Difference]: Finished difference Result 476 states and 554 transitions. [2018-11-10 07:11:03,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-10 07:11:03,887 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 89 [2018-11-10 07:11:03,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:11:03,889 INFO L225 Difference]: With dead ends: 476 [2018-11-10 07:11:03,889 INFO L226 Difference]: Without dead ends: 473 [2018-11-10 07:11:03,889 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-10 07:11:03,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2018-11-10 07:11:03,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 439. [2018-11-10 07:11:03,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2018-11-10 07:11:03,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 497 transitions. [2018-11-10 07:11:03,915 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 497 transitions. Word has length 89 [2018-11-10 07:11:03,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:11:03,915 INFO L481 AbstractCegarLoop]: Abstraction has 439 states and 497 transitions. [2018-11-10 07:11:03,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 07:11:03,916 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 497 transitions. [2018-11-10 07:11:03,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-10 07:11:03,917 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:11:03,917 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:11:03,917 INFO L424 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:11:03,917 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:11:03,918 INFO L82 PathProgramCache]: Analyzing trace with hash -821164980, now seen corresponding path program 1 times [2018-11-10 07:11:03,918 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:11:03,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:11:03,918 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:11:03,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:11:03,919 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:11:03,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:11:03,995 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 07:11:03,995 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:11:03,995 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-10 07:11:03,995 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:11:03,996 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-10 07:11:03,996 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-10 07:11:03,996 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-10 07:11:03,996 INFO L87 Difference]: Start difference. First operand 439 states and 497 transitions. Second operand 6 states. [2018-11-10 07:11:04,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:11:04,040 INFO L93 Difference]: Finished difference Result 868 states and 1006 transitions. [2018-11-10 07:11:04,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 07:11:04,041 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 105 [2018-11-10 07:11:04,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:11:04,043 INFO L225 Difference]: With dead ends: 868 [2018-11-10 07:11:04,043 INFO L226 Difference]: Without dead ends: 453 [2018-11-10 07:11:04,044 INFO L605 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 [2018-11-10 07:11:04,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 453 states. [2018-11-10 07:11:04,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 453 to 449. [2018-11-10 07:11:04,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2018-11-10 07:11:04,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 507 transitions. [2018-11-10 07:11:04,067 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 507 transitions. Word has length 105 [2018-11-10 07:11:04,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:11:04,068 INFO L481 AbstractCegarLoop]: Abstraction has 449 states and 507 transitions. [2018-11-10 07:11:04,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-10 07:11:04,068 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 507 transitions. [2018-11-10 07:11:04,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-10 07:11:04,069 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:11:04,070 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:11:04,070 INFO L424 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:11:04,070 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:11:04,070 INFO L82 PathProgramCache]: Analyzing trace with hash -1174253362, now seen corresponding path program 1 times [2018-11-10 07:11:04,070 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:11:04,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:11:04,071 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:11:04,071 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:11:04,071 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:11:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:11:04,142 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 07:11:04,142 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:11:04,142 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-10 07:11:04,142 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:11:04,143 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 07:11:04,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 07:11:04,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-10 07:11:04,145 INFO L87 Difference]: Start difference. First operand 449 states and 507 transitions. Second operand 8 states. [2018-11-10 07:11:04,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:11:04,181 INFO L93 Difference]: Finished difference Result 888 states and 1028 transitions. [2018-11-10 07:11:04,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-10 07:11:04,182 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 105 [2018-11-10 07:11:04,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:11:04,185 INFO L225 Difference]: With dead ends: 888 [2018-11-10 07:11:04,185 INFO L226 Difference]: Without dead ends: 463 [2018-11-10 07:11:04,186 INFO L605 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 [2018-11-10 07:11:04,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2018-11-10 07:11:04,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 457. [2018-11-10 07:11:04,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2018-11-10 07:11:04,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 515 transitions. [2018-11-10 07:11:04,206 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 515 transitions. Word has length 105 [2018-11-10 07:11:04,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:11:04,206 INFO L481 AbstractCegarLoop]: Abstraction has 457 states and 515 transitions. [2018-11-10 07:11:04,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 07:11:04,208 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 515 transitions. [2018-11-10 07:11:04,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-10 07:11:04,209 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:11:04,209 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:11:04,209 INFO L424 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:11:04,209 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:11:04,210 INFO L82 PathProgramCache]: Analyzing trace with hash -41062769, now seen corresponding path program 1 times [2018-11-10 07:11:04,210 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:11:04,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:11:04,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:11:04,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:11:04,211 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:11:04,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:11:04,289 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-10 07:11:04,289 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 07:11:04,289 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-10 07:11:04,289 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:11:04,290 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 07:11:04,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 07:11:04,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 07:11:04,290 INFO L87 Difference]: Start difference. First operand 457 states and 515 transitions. Second operand 4 states. [2018-11-10 07:11:04,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:11:04,532 INFO L93 Difference]: Finished difference Result 1367 states and 1616 transitions. [2018-11-10 07:11:04,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 07:11:04,533 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 105 [2018-11-10 07:11:04,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:11:04,538 INFO L225 Difference]: With dead ends: 1367 [2018-11-10 07:11:04,538 INFO L226 Difference]: Without dead ends: 934 [2018-11-10 07:11:04,540 INFO L605 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 [2018-11-10 07:11:04,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 934 states. [2018-11-10 07:11:04,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 934 to 919. [2018-11-10 07:11:04,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 919 states. [2018-11-10 07:11:04,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1065 transitions. [2018-11-10 07:11:04,594 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1065 transitions. Word has length 105 [2018-11-10 07:11:04,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:11:04,594 INFO L481 AbstractCegarLoop]: Abstraction has 919 states and 1065 transitions. [2018-11-10 07:11:04,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 07:11:04,594 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1065 transitions. [2018-11-10 07:11:04,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-10 07:11:04,597 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:11:04,597 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:11:04,597 INFO L424 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:11:04,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:11:04,597 INFO L82 PathProgramCache]: Analyzing trace with hash 589792553, now seen corresponding path program 1 times [2018-11-10 07:11:04,597 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:11:04,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:11:04,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:11:04,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:11:04,598 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:11:04,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:11:04,746 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 07:11:04,746 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 07:11:04,746 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 07:11:04,747 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 110 with the following transitions: [2018-11-10 07:11:04,749 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [37], [38], [50], [53], [55], [56], [59], [74], [77], [78], [82], [83], [85], [89], [95], [99], [103], [106], [111], [114], [119], [125], [128], [138], [139], [142], [143], [144], [146], [151], [154], [155], [157], [162], [164], [165], [170], [172], [178], [182], [189], [190], [228], [229], [232], [234], [237], [247], [252], [256], [257], [260], [262], [265], [267], [270], [279], [280], [281], [282], [283], [284], [285], [286], [287], [295], [296], [299], [301], [302], [309], [310], [311], [312], [313], [314], [317], [321], [322], [323], [324], [325], [326], [329], [330], [331], [337], [338], [339], [341], [342], [343], [344], [349], [350], [351], [352], [353] [2018-11-10 07:11:04,798 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 07:11:04,798 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 07:11:11,614 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 07:11:11,615 INFO L272 AbstractInterpreter]: Visited 81 different actions 81 times. Never merged. Never widened. Never found a fixpoint. Largest state had 133 variables. [2018-11-10 07:11:11,619 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:11:11,619 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 07:11:16,487 INFO L227 lantSequenceWeakener]: Weakened 80 states. On average, predicates are now at 97.15% of their original sizes. [2018-11-10 07:11:16,487 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 07:11:17,087 INFO L415 sIntCurrentIteration]: We unified 108 AI predicates to 108 [2018-11-10 07:11:17,087 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 07:11:17,087 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 07:11:17,088 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [28] imperfect sequences [13] total 39 [2018-11-10 07:11:17,088 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:11:17,088 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-11-10 07:11:17,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-11-10 07:11:17,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=671, Unknown=0, NotChecked=0, Total=756 [2018-11-10 07:11:17,088 INFO L87 Difference]: Start difference. First operand 919 states and 1065 transitions. Second operand 28 states. [2018-11-10 07:11:45,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:11:45,543 INFO L93 Difference]: Finished difference Result 2053 states and 2433 transitions. [2018-11-10 07:11:45,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-11-10 07:11:45,543 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 109 [2018-11-10 07:11:45,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:11:45,548 INFO L225 Difference]: With dead ends: 2053 [2018-11-10 07:11:45,548 INFO L226 Difference]: Without dead ends: 1158 [2018-11-10 07:11:45,550 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 124 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=203, Invalid=1689, Unknown=0, NotChecked=0, Total=1892 [2018-11-10 07:11:45,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2018-11-10 07:11:45,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 1124. [2018-11-10 07:11:45,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1124 states. [2018-11-10 07:11:45,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1272 transitions. [2018-11-10 07:11:45,628 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1272 transitions. Word has length 109 [2018-11-10 07:11:45,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:11:45,628 INFO L481 AbstractCegarLoop]: Abstraction has 1124 states and 1272 transitions. [2018-11-10 07:11:45,629 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-11-10 07:11:45,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1272 transitions. [2018-11-10 07:11:45,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-10 07:11:45,632 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:11:45,633 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 07:11:45,633 INFO L424 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:11:45,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:11:45,633 INFO L82 PathProgramCache]: Analyzing trace with hash -476796710, now seen corresponding path program 1 times [2018-11-10 07:11:45,633 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:11:45,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:11:45,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:11:45,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:11:45,634 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:11:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:11:45,838 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-10 07:11:45,838 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 07:11:45,838 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 07:11:45,838 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 181 with the following transitions: [2018-11-10 07:11:45,839 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [37], [38], [39], [41], [44], [48], [49], [50], [53], [55], [56], [59], [62], [64], [70], [74], [77], [78], [82], [83], [84], [85], [89], [95], [99], [103], [106], [109], [111], [114], [117], [119], [125], [128], [138], [139], [140], [141], [142], [143], [144], [146], [151], [154], [155], [157], [162], [164], [165], [170], [172], [175], [178], [182], [188], [189], [190], [220], [224], [228], [229], [232], [234], [237], [244], [247], [252], [256], [257], [260], [262], [265], [267], [270], [276], [278], [279], [280], [281], [282], [283], [284], [285], [286], [287], [289], [290], [293], [294], [295], [296], [297], [298], [299], [301], [302], [303], [304], [307], [308], [309], [310], [311], [312], [313], [314], [317], [318], [321], [322], [323], [324], [325], [326], [327], [328], [329], [330], [331], [332], [337], [338], [339], [341], [342], [343], [344], [347], [348], [349], [350], [351], [352], [353] [2018-11-10 07:11:45,843 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 07:11:45,845 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 07:13:36,756 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 07:13:36,757 INFO L272 AbstractInterpreter]: Visited 127 different actions 1311 times. Merged at 20 different actions 93 times. Never widened. Found 15 fixpoints after 3 different actions. Largest state had 133 variables. [2018-11-10 07:13:36,763 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:13:36,763 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 07:14:04,717 INFO L227 lantSequenceWeakener]: Weakened 156 states. On average, predicates are now at 96.69% of their original sizes. [2018-11-10 07:14:04,718 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 07:14:07,686 INFO L415 sIntCurrentIteration]: We unified 179 AI predicates to 179 [2018-11-10 07:14:07,686 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 07:14:07,686 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 07:14:07,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [60] imperfect sequences [13] total 71 [2018-11-10 07:14:07,687 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:14:07,687 INFO L460 AbstractCegarLoop]: Interpolant automaton has 60 states [2018-11-10 07:14:07,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2018-11-10 07:14:07,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=305, Invalid=3235, Unknown=0, NotChecked=0, Total=3540 [2018-11-10 07:14:07,688 INFO L87 Difference]: Start difference. First operand 1124 states and 1272 transitions. Second operand 60 states. [2018-11-10 07:16:17,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:16:17,234 INFO L93 Difference]: Finished difference Result 3283 states and 4197 transitions. [2018-11-10 07:16:17,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2018-11-10 07:16:17,234 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 180 [2018-11-10 07:16:17,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:16:17,242 INFO L225 Difference]: With dead ends: 3283 [2018-11-10 07:16:17,242 INFO L226 Difference]: Without dead ends: 2320 [2018-11-10 07:16:17,249 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 290 GetRequests, 118 SyntacticMatches, 3 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9834 ImplicationChecksByTransitivity, 11.7s TimeCoverageRelationStatistics Valid=2028, Invalid=27042, Unknown=0, NotChecked=0, Total=29070 [2018-11-10 07:16:17,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2320 states. [2018-11-10 07:16:17,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2320 to 1722. [2018-11-10 07:16:17,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1722 states. [2018-11-10 07:16:17,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1722 states and 1948 transitions. [2018-11-10 07:16:17,470 INFO L78 Accepts]: Start accepts. Automaton has 1722 states and 1948 transitions. Word has length 180 [2018-11-10 07:16:17,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:16:17,470 INFO L481 AbstractCegarLoop]: Abstraction has 1722 states and 1948 transitions. [2018-11-10 07:16:17,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has 60 states. [2018-11-10 07:16:17,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1722 states and 1948 transitions. [2018-11-10 07:16:17,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-10 07:16:17,476 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 07:16:17,476 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2018-11-10 07:16:17,476 INFO L424 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 07:16:17,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:16:17,476 INFO L82 PathProgramCache]: Analyzing trace with hash 889040907, now seen corresponding path program 1 times [2018-11-10 07:16:17,476 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 07:16:17,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:16:17,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 07:16:17,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 07:16:17,477 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 07:16:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 07:16:17,611 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 45 proven. 10 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-11-10 07:16:17,612 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 07:16:17,612 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 07:16:17,612 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 252 with the following transitions: [2018-11-10 07:16:17,612 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [37], [38], [39], [41], [44], [46], [48], [49], [50], [53], [55], [56], [59], [62], [64], [70], [74], [77], [78], [82], [83], [84], [85], [89], [95], [99], [103], [106], [109], [111], [114], [117], [119], [125], [128], [138], [139], [140], [141], [142], [143], [144], [146], [151], [154], [155], [157], [162], [164], [165], [170], [172], [175], [178], [182], [188], [189], [190], [220], [224], [228], [229], [232], [234], [237], [244], [247], [252], [256], [257], [260], [262], [265], [267], [270], [276], [278], [279], [280], [281], [282], [283], [284], [285], [286], [287], [289], [290], [293], [294], [295], [296], [297], [298], [299], [301], [302], [303], [304], [307], [308], [309], [310], [311], [312], [313], [314], [317], [318], [321], [322], [323], [324], [325], [326], [327], [328], [329], [330], [331], [332], [337], [338], [339], [341], [342], [343], [344], [347], [348], [349], [350], [351], [352], [353] [2018-11-10 07:16:17,615 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 07:16:17,615 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 07:18:12,394 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 07:18:12,394 INFO L272 AbstractInterpreter]: Visited 133 different actions 1347 times. Merged at 20 different actions 93 times. Never widened. Found 15 fixpoints after 3 different actions. Largest state had 133 variables. [2018-11-10 07:18:12,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 07:18:12,404 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 07:18:49,875 INFO L227 lantSequenceWeakener]: Weakened 222 states. On average, predicates are now at 96.55% of their original sizes. [2018-11-10 07:18:49,875 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 07:18:54,818 INFO L415 sIntCurrentIteration]: We unified 250 AI predicates to 250 [2018-11-10 07:18:54,818 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 07:18:54,819 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 07:18:54,819 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [77] imperfect sequences [9] total 84 [2018-11-10 07:18:54,819 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 07:18:54,819 INFO L460 AbstractCegarLoop]: Interpolant automaton has 77 states [2018-11-10 07:18:54,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2018-11-10 07:18:54,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=443, Invalid=5409, Unknown=0, NotChecked=0, Total=5852 [2018-11-10 07:18:54,821 INFO L87 Difference]: Start difference. First operand 1722 states and 1948 transitions. Second operand 77 states. [2018-11-10 07:20:46,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 07:20:46,183 INFO L93 Difference]: Finished difference Result 2400 states and 2795 transitions. [2018-11-10 07:20:46,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2018-11-10 07:20:46,183 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 251 [2018-11-10 07:20:46,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 07:20:46,184 INFO L225 Difference]: With dead ends: 2400 [2018-11-10 07:20:46,184 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 07:20:46,189 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 320 GetRequests, 172 SyntacticMatches, 3 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7158 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=1542, Invalid=19920, Unknown=0, NotChecked=0, Total=21462 [2018-11-10 07:20:46,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 07:20:46,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 07:20:46,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 07:20:46,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 07:20:46,190 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 251 [2018-11-10 07:20:46,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 07:20:46,190 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 07:20:46,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 77 states. [2018-11-10 07:20:46,190 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 07:20:46,190 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 07:20:46,194 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 07:20:46,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:20:48,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:20:49,398 WARN L179 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 441 DAG size of output: 418 [2018-11-10 07:20:50,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:20:51,571 WARN L179 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 447 DAG size of output: 432 [2018-11-10 07:20:52,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:20:53,920 WARN L179 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 491 DAG size of output: 475 [2018-11-10 07:20:55,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:20:56,266 WARN L179 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 450 DAG size of output: 426 [2018-11-10 07:20:56,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-10 07:20:58,723 WARN L179 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 489 DAG size of output: 473 [2018-11-10 07:20:59,508 WARN L179 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 68 [2018-11-10 07:20:59,733 WARN L179 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 1 [2018-11-10 07:21:00,194 WARN L179 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 61 [2018-11-10 07:21:01,271 WARN L179 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 322 DAG size of output: 94 [2018-11-10 07:21:01,757 WARN L179 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 1 [2018-11-10 07:21:02,278 WARN L179 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 64 [2018-11-10 07:21:02,694 WARN L179 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 40 [2018-11-10 07:21:03,093 WARN L179 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 25 [2018-11-10 07:21:03,691 WARN L179 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 50 [2018-11-10 07:21:05,551 WARN L179 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 502 DAG size of output: 63 [2018-11-10 07:21:06,299 WARN L179 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 68 [2018-11-10 07:21:06,456 WARN L179 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 1 [2018-11-10 07:21:08,270 WARN L179 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 517 DAG size of output: 63 [2018-11-10 07:21:08,845 WARN L179 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 54 [2018-11-10 07:21:11,797 WARN L179 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 560 DAG size of output: 65 [2018-11-10 07:21:12,892 WARN L179 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 321 DAG size of output: 96 [2018-11-10 07:21:13,611 WARN L179 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 70 [2018-11-10 07:21:13,950 WARN L179 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 25 [2018-11-10 07:21:14,422 WARN L179 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 61 [2018-11-10 07:21:15,052 WARN L179 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 69 [2018-11-10 07:21:15,522 WARN L179 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 27 [2018-11-10 07:21:16,174 WARN L179 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 67 [2018-11-10 07:21:16,918 WARN L179 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 57 [2018-11-10 07:21:17,974 WARN L179 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 315 DAG size of output: 88 [2018-11-10 07:21:18,201 WARN L179 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 46 [2018-11-10 07:21:18,452 WARN L179 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 48 [2018-11-10 07:21:18,645 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 1 [2018-11-10 07:21:18,919 WARN L179 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 38 [2018-11-10 07:21:19,565 WARN L179 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 53 [2018-11-10 07:21:19,902 WARN L179 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 46 [2018-11-10 07:21:20,325 WARN L179 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 27 [2018-11-10 07:21:20,490 WARN L179 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 30 [2018-11-10 07:21:20,642 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 1 [2018-11-10 07:21:20,845 WARN L179 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 1 [2018-11-10 07:21:22,773 WARN L179 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 510 DAG size of output: 83 [2018-11-10 07:21:23,179 WARN L179 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 53 [2018-11-10 07:21:23,468 WARN L179 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 1 [2018-11-10 07:21:23,674 WARN L179 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 46 [2018-11-10 07:21:24,268 WARN L179 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 64 [2018-11-10 07:21:24,504 WARN L179 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 32 [2018-11-10 07:21:24,703 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 1 [2018-11-10 07:21:27,016 WARN L179 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 558 DAG size of output: 68 [2018-11-10 07:21:27,406 WARN L179 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 52 [2018-11-10 07:21:27,408 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 391 397) the Hoare annotation is: true [2018-11-10 07:21:27,408 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 391 397) no Hoare annotation was computed. [2018-11-10 07:21:27,409 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 398 406) no Hoare annotation was computed. [2018-11-10 07:21:27,409 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 398 406) the Hoare annotation is: true [2018-11-10 07:21:27,409 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 398 406) no Hoare annotation was computed. [2018-11-10 07:21:27,409 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 846 868) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 07:21:27,409 INFO L421 ceAbstractionStarter]: At program point L858(line 858) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (<= (+ ~waterLevel~0 main_~tmp~10) 2) (= ~pumpRunning~0 0) (= main_~tmp~10 ~systemActive~0) (= main_~tmp~10 1)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 07:21:27,409 INFO L421 ceAbstractionStarter]: At program point L858-1(line 858) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (<= (+ ~waterLevel~0 main_~tmp~10) 2) (= ~pumpRunning~0 0) (= main_~tmp~10 ~systemActive~0) (= main_~tmp~10 1)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 07:21:27,409 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 846 868) no Hoare annotation was computed. [2018-11-10 07:21:27,409 INFO L425 ceAbstractionStarter]: For program point L856(lines 856 863) no Hoare annotation was computed. [2018-11-10 07:21:27,409 INFO L425 ceAbstractionStarter]: For program point L856-1(lines 856 863) no Hoare annotation was computed. [2018-11-10 07:21:27,409 INFO L425 ceAbstractionStarter]: For program point L854(line 854) no Hoare annotation was computed. [2018-11-10 07:21:27,410 INFO L421 ceAbstractionStarter]: At program point L853(line 853) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 07:21:27,410 INFO L421 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 07:21:27,410 INFO L421 ceAbstractionStarter]: At program point L852-1(line 852) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 07:21:27,410 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 846 868) no Hoare annotation was computed. [2018-11-10 07:21:27,410 INFO L421 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (let ((.cse2 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse4 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (< .cse2 0) .cse3 (not (= ~waterLevel~0 1)) .cse4) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 (< .cse2 1) .cse5 .cse4) (or .cse0 .cse1 (< |old(~pumpRunning~0)| ~waterLevel~0) .cse3 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse0 .cse3 .cse5 .cse4))) [2018-11-10 07:21:27,410 INFO L421 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse3 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse4 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (and (<= ~pumpRunning~0 processEnvironment__wrappee__methaneQuery_~tmp~1) (<= 2 (+ ~pumpRunning~0 ~systemActive~0)) (<= processEnvironment__wrappee__methaneQuery_~tmp~1 ~waterLevel~0)) .cse0 .cse1 (< |old(~pumpRunning~0)| ~waterLevel~0) .cse2 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (or .cse0 .cse1 (< .cse3 0) .cse2 (not (= ~waterLevel~0 1)) .cse4) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 (< .cse3 1) .cse5 .cse4) (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse0 .cse2 .cse5 .cse4))) [2018-11-10 07:21:27,410 INFO L425 ceAbstractionStarter]: For program point L121(lines 121 129) no Hoare annotation was computed. [2018-11-10 07:21:27,410 INFO L421 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse3 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse4 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (and (<= ~pumpRunning~0 (+ ~methaneLevelCritical~0 1)) (<= 2 (+ ~pumpRunning~0 ~waterLevel~0))) .cse0 .cse1 (< |old(~pumpRunning~0)| ~waterLevel~0) .cse2 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (or .cse0 .cse1 (< .cse3 0) .cse2 (not (= ~waterLevel~0 1)) .cse4) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 (< .cse3 1) .cse5 .cse4) (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse0 .cse2 .cse5 .cse4))) [2018-11-10 07:21:27,411 INFO L425 ceAbstractionStarter]: For program point L119-1(line 119) no Hoare annotation was computed. [2018-11-10 07:21:27,411 INFO L425 ceAbstractionStarter]: For program point L117(lines 117 134) no Hoare annotation was computed. [2018-11-10 07:21:27,411 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 113 137) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse2 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse6 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse4 (< 0 (* 2 |old(~pumpRunning~0)|))) (.cse5 (<= 2 (+ ~pumpRunning~0 ~waterLevel~0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 (< .cse2 1) .cse3 .cse4) (or (and (<= ~pumpRunning~0 (+ ~methaneLevelCritical~0 1)) .cse5) .cse6 .cse1 (< |old(~pumpRunning~0)| ~waterLevel~0) .cse7 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (or .cse0 .cse6 .cse1 (< .cse2 0) .cse7 (not (= ~waterLevel~0 1)) .cse4) (or (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse6 .cse7 .cse3 .cse4) (and (<= (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) .cse5)))) [2018-11-10 07:21:27,411 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 113 137) no Hoare annotation was computed. [2018-11-10 07:21:27,411 INFO L421 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse5 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse4 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 (< .cse2 1) .cse3 .cse4) (or .cse0 .cse5 .cse1 (< .cse2 0) .cse6 (not (= ~waterLevel~0 1)) .cse4) (or .cse5 .cse1 (< |old(~pumpRunning~0)| ~waterLevel~0) .cse6 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (or (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse5 .cse6 .cse3 .cse4) (and (<= (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) (<= 2 (+ ~pumpRunning~0 ~waterLevel~0)))))) [2018-11-10 07:21:27,411 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 113 137) no Hoare annotation was computed. [2018-11-10 07:21:27,411 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 208 216) no Hoare annotation was computed. [2018-11-10 07:21:27,411 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 208 216) the Hoare annotation is: true [2018-11-10 07:21:27,411 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 208 216) no Hoare annotation was computed. [2018-11-10 07:21:27,411 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 272 290) the Hoare annotation is: true [2018-11-10 07:21:27,411 INFO L425 ceAbstractionStarter]: For program point L281(lines 281 285) no Hoare annotation was computed. [2018-11-10 07:21:27,411 INFO L428 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: true [2018-11-10 07:21:27,411 INFO L425 ceAbstractionStarter]: For program point L281-2(lines 281 285) no Hoare annotation was computed. [2018-11-10 07:21:27,411 INFO L425 ceAbstractionStarter]: For program point L279-1(line 279) no Hoare annotation was computed. [2018-11-10 07:21:27,411 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 272 290) no Hoare annotation was computed. [2018-11-10 07:21:27,411 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 272 290) no Hoare annotation was computed. [2018-11-10 07:21:27,412 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 384 390) no Hoare annotation was computed. [2018-11-10 07:21:27,412 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 384 390) the Hoare annotation is: true [2018-11-10 07:21:27,412 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 836 845) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 07:21:27,412 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 836 845) no Hoare annotation was computed. [2018-11-10 07:21:27,412 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 836 845) no Hoare annotation was computed. [2018-11-10 07:21:27,412 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 197 207) the Hoare annotation is: true [2018-11-10 07:21:27,412 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 197 207) no Hoare annotation was computed. [2018-11-10 07:21:27,412 INFO L428 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: true [2018-11-10 07:21:27,412 INFO L425 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2018-11-10 07:21:27,412 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 197 207) no Hoare annotation was computed. [2018-11-10 07:21:27,412 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 189 196) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (let ((.cse0 (< |old(~pumpRunning~0)| ~waterLevel~0)) (.cse1 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (and (or (< ~waterLevel~0 ~systemActive~0) .cse0 .cse1 (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 1) (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse0 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse1))) (not (= ~systemActive~0 1))) [2018-11-10 07:21:27,412 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 189 196) no Hoare annotation was computed. [2018-11-10 07:21:27,412 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 189 196) no Hoare annotation was computed. [2018-11-10 07:21:27,412 INFO L421 ceAbstractionStarter]: At program point L158(line 158) the Hoare annotation is: (let ((.cse8 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (let ((.cse2 (< .cse8 1)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse7 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse4 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 .cse2 .cse3 .cse4) (or (let ((.cse5 (< |old(~pumpRunning~0)| ~waterLevel~0)) (.cse6 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (and (or .cse1 .cse5 .cse6 .cse2 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse5 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse6))) (not (= ~systemActive~0 1))) (or .cse0 .cse7 .cse1 (< .cse8 0) .cse9 (not (= ~waterLevel~0 1)) .cse4) (or (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse7 .cse9 .cse3 .cse4) (and (<= (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) (<= 2 (+ ~pumpRunning~0 ~waterLevel~0))))))) [2018-11-10 07:21:27,413 INFO L425 ceAbstractionStarter]: For program point L158-1(lines 139 163) no Hoare annotation was computed. [2018-11-10 07:21:27,413 INFO L421 ceAbstractionStarter]: At program point L153(line 153) the Hoare annotation is: (let ((.cse2 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse6 (< |old(~pumpRunning~0)| ~waterLevel~0)) (.cse7 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse4 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (< .cse2 0) .cse3 (not (= ~waterLevel~0 1)) .cse4) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 (< .cse2 1) .cse5 .cse4) (or .cse0 .cse1 .cse6 .cse3 .cse7 (and (<= processEnvironment_~tmp~2 ~methaneLevelCritical~0) (<= ~pumpRunning~0 (+ ~methaneLevelCritical~0 1)) (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2) (<= 2 (+ ~pumpRunning~0 ~waterLevel~0)))) (or (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse6 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse7) (not (= ~systemActive~0 1))) (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse0 .cse3 .cse5 .cse4))) [2018-11-10 07:21:27,413 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 139 163) no Hoare annotation was computed. [2018-11-10 07:21:27,413 INFO L421 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: (let ((.cse2 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse6 (< |old(~pumpRunning~0)| ~waterLevel~0)) (.cse7 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse4 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (< .cse2 0) .cse3 (not (= ~waterLevel~0 1)) .cse4) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 (< .cse2 1) .cse5 .cse4) (or .cse0 .cse1 .cse6 .cse3 .cse7) (or (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse6 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse7) (not (= ~systemActive~0 1)) (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2) (<= processEnvironment_~tmp~2 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse0 .cse3 .cse5 .cse4))) [2018-11-10 07:21:27,413 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 139 163) the Hoare annotation is: (let ((.cse6 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse2 (< .cse6 1)) (.cse5 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse4 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 (< .cse6 0) .cse7 (not (= ~waterLevel~0 1)) .cse4) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (let ((.cse8 (< |old(~pumpRunning~0)| ~waterLevel~0)) (.cse9 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (and (or .cse1 .cse8 .cse9 .cse2 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse8 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse9))) (not (= ~systemActive~0 1))) (or (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse5 .cse7 .cse3 .cse4) (and (<= (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) (<= 2 (+ ~pumpRunning~0 ~waterLevel~0))))))) [2018-11-10 07:21:27,413 INFO L425 ceAbstractionStarter]: For program point L147(lines 147 155) no Hoare annotation was computed. [2018-11-10 07:21:27,414 INFO L421 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse2 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (let ((.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse5 (< .cse2 1)) (.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse4 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (< .cse2 0) .cse3 (not (= ~waterLevel~0 1)) .cse4) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 .cse5 .cse6 .cse4) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (let ((.cse7 (< |old(~pumpRunning~0)| ~waterLevel~0)) (.cse8 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0)))) (and (or .cse1 .cse7 .cse8 .cse5 (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse7 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse8))) (not (= ~systemActive~0 1))) (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse0 .cse3 .cse6 .cse4)))) [2018-11-10 07:21:27,414 INFO L425 ceAbstractionStarter]: For program point L145-1(line 145) no Hoare annotation was computed. [2018-11-10 07:21:27,414 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 160) no Hoare annotation was computed. [2018-11-10 07:21:27,414 INFO L425 ceAbstractionStarter]: For program point L954(lines 954 960) no Hoare annotation was computed. [2018-11-10 07:21:27,414 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 950 963) no Hoare annotation was computed. [2018-11-10 07:21:27,414 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 950 963) the Hoare annotation is: true [2018-11-10 07:21:27,414 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 950 963) no Hoare annotation was computed. [2018-11-10 07:21:27,414 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 79 85) no Hoare annotation was computed. [2018-11-10 07:21:27,414 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 79 85) the Hoare annotation is: true [2018-11-10 07:21:27,414 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 303 368) the Hoare annotation is: (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 07:21:27,414 INFO L425 ceAbstractionStarter]: For program point L351(lines 351 355) no Hoare annotation was computed. [2018-11-10 07:21:27,415 INFO L421 ceAbstractionStarter]: At program point L351-2(lines 343 356) the Hoare annotation is: (let ((.cse1 (+ ~systemActive~0 2147483646))) (let ((.cse0 (let ((.cse2 (+ ~pumpRunning~0 1))) (and (<= .cse2 ~waterLevel~0) (<= 0 (+ ~methaneLevelCritical~0 ~pumpRunning~0)) (<= ~systemActive~0 ~waterLevel~0) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~systemActive~0 ~waterLevel~0) 3) (<= ~methaneLevelCritical~0 ~systemActive~0) (<= ~methaneLevelCritical~0 .cse2) (<= 0 (+ ~systemActive~0 test_~tmp___2~0 2147483647)) (<= test_~tmp___2~0 .cse1))))) (or (and (and .cse0 (= test_~splverifierCounter~0 0)) (<= ~pumpRunning~0 ~methaneLevelCritical~0)) (and .cse0 (<= 0 (+ ~systemActive~0 test_~tmp___0~2 2147483647)) (and (<= ~methaneLevelCritical~0 test_~splverifierCounter~0) (<= (+ ~systemActive~0 test_~tmp~6) 2147483648) (<= ~systemActive~0 (+ test_~tmp~6 2147483649)) (<= (+ ~methaneLevelCritical~0 test_~splverifierCounter~0) 0)) (<= test_~tmp___0~2 .cse1)) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-11-10 07:21:27,415 INFO L425 ceAbstractionStarter]: For program point L314(lines 313 360) no Hoare annotation was computed. [2018-11-10 07:21:27,415 INFO L421 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: (let ((.cse1 (+ ~systemActive~0 2147483646))) (let ((.cse0 (let ((.cse2 (+ ~pumpRunning~0 1))) (and (<= .cse2 ~waterLevel~0) (<= 0 (+ ~methaneLevelCritical~0 ~pumpRunning~0)) (<= ~systemActive~0 ~waterLevel~0) (<= (+ ~systemActive~0 ~waterLevel~0) 3) (<= 1 (+ ~systemActive~0 test_~splverifierCounter~0)) (<= ~pumpRunning~0 (+ ~methaneLevelCritical~0 1)) (<= (* 2 ~methaneLevelCritical~0) 2) (<= ~methaneLevelCritical~0 .cse2) (<= test_~tmp___2~0 .cse1) (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) (= test_~splverifierCounter~0 0))))) (or (and .cse0 (= ~pumpRunning~0 0)) (and .cse0 (and (<= (+ ~systemActive~0 test_~tmp~6) 2147483648) (<= ~systemActive~0 (+ test_~tmp~6 2147483649))) (<= 0 (+ ~systemActive~0 test_~tmp___0~2 2147483647)) (<= test_~tmp___0~2 .cse1)) (and .cse0 (<= 2 (+ ~methaneLevelCritical~0 ~systemActive~0))) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-11-10 07:21:27,415 INFO L425 ceAbstractionStarter]: For program point L343(lines 343 356) no Hoare annotation was computed. [2018-11-10 07:21:27,415 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 303 368) no Hoare annotation was computed. [2018-11-10 07:21:27,415 INFO L421 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse11 (+ ~pumpRunning~0 1))) (let ((.cse1 (+ ~methaneLevelCritical~0 1)) (.cse6 (<= ~systemActive~0 ~methaneLevelCritical~0)) (.cse9 (<= .cse11 ~waterLevel~0)) (.cse10 (<= ~systemActive~0 ~waterLevel~0)) (.cse0 (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse12 (+ ~systemActive~0 2147483646))) (let ((.cse7 (= ~pumpRunning~0 0)) (.cse5 (let ((.cse13 (<= 1 (+ ~systemActive~0 test_~splverifierCounter~0))) (.cse14 (<= (* 2 ~methaneLevelCritical~0) 2)) (.cse15 (<= test_~tmp___2~0 .cse12)) (.cse16 (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)))) (or (and .cse9 .cse13 (<= ~waterLevel~0 .cse1) .cse6 .cse14 .cse15 .cse16 .cse4) (and .cse9 .cse10 .cse0 .cse13 .cse14 .cse15 .cse16 .cse4)))) (.cse2 (<= 0 (+ ~systemActive~0 test_~tmp___0~2 2147483647))) (.cse3 (<= test_~tmp___0~2 .cse12)) (.cse8 (and .cse9 (<= ~methaneLevelCritical~0 test_~splverifierCounter~0) .cse10 (<= 2 (* 2 ~systemActive~0)) (<= ~waterLevel~0 .cse11) (<= (* 2 test_~splverifierCounter~0) 0) .cse0 (= ~methaneLevelCritical~0 0) (<= test_~splverifierCounter~0 (+ test_~tmp~6 2147483648)) (<= test_~tmp~6 (+ test_~splverifierCounter~0 2147483647))))) (or (and (and (<= (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) .cse0 (<= 2 (+ ~pumpRunning~0 ~waterLevel~0))) (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= ~pumpRunning~0 .cse1) .cse2 .cse3 (<= (+ ~waterLevel~0 test_~splverifierCounter~0) 2) .cse4) (and .cse5 .cse6 .cse7) (and .cse2 .cse3 .cse7 .cse8) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (and .cse5 .cse2 .cse3 .cse8) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (not (= |old(~methaneLevelCritical~0)| 0)))))) [2018-11-10 07:21:27,415 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 339) no Hoare annotation was computed. [2018-11-10 07:21:27,416 INFO L425 ceAbstractionStarter]: For program point L333-1(lines 333 339) no Hoare annotation was computed. [2018-11-10 07:21:27,416 INFO L421 ceAbstractionStarter]: At program point L358(lines 313 360) the Hoare annotation is: (let ((.cse2 (<= (+ ~pumpRunning~0 1) ~waterLevel~0)) (.cse3 (<= ~systemActive~0 ~waterLevel~0)) (.cse1 (* 2 ~methaneLevelCritical~0)) (.cse4 (= test_~splverifierCounter~0 0))) (let ((.cse0 (and .cse2 .cse3 (<= (+ ~systemActive~0 ~waterLevel~0) 3) (<= 1 (+ ~systemActive~0 test_~splverifierCounter~0)) (<= test_~splverifierCounter~0 ~methaneLevelCritical~0) (<= .cse1 2) (<= 0 (* 2 ~pumpRunning~0)) (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)) (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) .cse4))) (or (and .cse0 (<= 2 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= ~pumpRunning~0 0)) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (and .cse0 (<= 3 (+ ~pumpRunning~0 ~waterLevel~0)) (<= .cse1 0)) (and (and .cse2 .cse3 (= ~methaneLevelCritical~0 0) (<= 1 (+ ~pumpRunning~0 ~systemActive~0)) .cse4) (<= (+ ~waterLevel~0 test_~splverifierCounter~0) 1)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-11-10 07:21:27,416 INFO L421 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: (let ((.cse2 (<= ~systemActive~0 ~waterLevel~0)) (.cse3 (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (.cse5 (= test_~splverifierCounter~0 0))) (let ((.cse1 (= ~pumpRunning~0 0)) (.cse4 (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646))) (.cse0 (let ((.cse6 (+ ~pumpRunning~0 1))) (and (<= .cse6 ~waterLevel~0) .cse2 (<= ~waterLevel~0 .cse6) .cse3 (<= 1 (+ ~systemActive~0 test_~splverifierCounter~0)) (= ~methaneLevelCritical~0 0) (<= test_~splverifierCounter~0 (+ test_~tmp~6 2147483648)) (<= test_~tmp~6 (+ test_~splverifierCounter~0 2147483647)) .cse5)))) (or (and .cse0 .cse1) (and (and (and .cse2 .cse3 (<= ~methaneLevelCritical~0 ~systemActive~0) (<= 0 (+ ~systemActive~0 test_~tmp___2~0 2147483647)) .cse4) (<= 2 (+ ~methaneLevelCritical~0 ~systemActive~0)) .cse5) .cse1) (and (and .cse4 (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648))) .cse0) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-11-10 07:21:27,416 INFO L425 ceAbstractionStarter]: For program point L323(lines 323 329) no Hoare annotation was computed. [2018-11-10 07:21:27,416 INFO L425 ceAbstractionStarter]: For program point L323-1(lines 323 329) no Hoare annotation was computed. [2018-11-10 07:21:27,416 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 319) no Hoare annotation was computed. [2018-11-10 07:21:27,416 INFO L425 ceAbstractionStarter]: For program point L313-1(lines 313 360) no Hoare annotation was computed. [2018-11-10 07:21:27,416 INFO L421 ceAbstractionStarter]: At program point L361(lines 312 362) the Hoare annotation is: (or (< (+ |old(~methaneLevelCritical~0)| |old(~systemActive~0)|) 1) (< |old(~waterLevel~0)| |old(~systemActive~0)|) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 07:21:27,417 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 303 368) no Hoare annotation was computed. [2018-11-10 07:21:27,417 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 164 171) the Hoare annotation is: (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) (< 3 (+ ~systemActive~0 ~waterLevel~0)) (< 0 (* 2 |old(~pumpRunning~0)|))) (and (<= (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) (<= 2 (+ ~pumpRunning~0 ~waterLevel~0)))) [2018-11-10 07:21:27,417 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 164 171) no Hoare annotation was computed. [2018-11-10 07:21:27,417 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 164 171) no Hoare annotation was computed. [2018-11-10 07:21:27,417 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 964 972) no Hoare annotation was computed. [2018-11-10 07:21:27,417 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 964 972) the Hoare annotation is: true [2018-11-10 07:21:27,417 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 964 972) no Hoare annotation was computed. [2018-11-10 07:21:27,417 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 07:21:27,417 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-10 07:21:27,417 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 07:21:27,417 INFO L421 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (or (= ~pumpRunning~0 0) (< ~waterLevel~0 (+ |old(~pumpRunning~0)| 2)) (< 4 (* 2 ~waterLevel~0)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) [2018-11-10 07:21:27,417 INFO L425 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2018-11-10 07:21:27,418 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 172 188) no Hoare annotation was computed. [2018-11-10 07:21:27,418 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 172 188) the Hoare annotation is: (or (= ~pumpRunning~0 0) (< ~waterLevel~0 (+ |old(~pumpRunning~0)| 2)) (< 4 (* 2 ~waterLevel~0)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) [2018-11-10 07:21:27,418 INFO L421 ceAbstractionStarter]: At program point L183(line 183) the Hoare annotation is: (let ((.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1))) (and (or (< ~waterLevel~0 (+ |old(~pumpRunning~0)| 2)) (< (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (< 4 (* 2 ~waterLevel~0)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) .cse0) (or (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse0 (not (= ~methaneLevelCritical~0 0)) (< 3 (+ ~systemActive~0 ~waterLevel~0)) (< 0 (* 2 |old(~pumpRunning~0)|))) (and (<= ~waterLevel~0 (+ activatePump_~tmp~3 2)) (= 0 ~pumpRunning~0) (<= activatePump_~tmp~3 ~methaneLevelCritical~0))))) [2018-11-10 07:21:27,418 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 172 188) no Hoare annotation was computed. [2018-11-10 07:21:27,418 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 185) no Hoare annotation was computed. [2018-11-10 07:21:27,418 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 253 271) no Hoare annotation was computed. [2018-11-10 07:21:27,418 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 266) no Hoare annotation was computed. [2018-11-10 07:21:27,418 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 253 271) the Hoare annotation is: true [2018-11-10 07:21:27,418 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 253 271) no Hoare annotation was computed. [2018-11-10 07:21:27,418 INFO L428 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: true [2018-11-10 07:21:27,418 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 266) no Hoare annotation was computed. [2018-11-10 07:21:27,418 INFO L425 ceAbstractionStarter]: For program point L260-1(line 260) no Hoare annotation was computed. [2018-11-10 07:21:27,419 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 897 908) the Hoare annotation is: (let ((.cse2 (* 2 ~pumpRunning~0))) (let ((.cse4 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse0 (+ ~methaneLevelCritical~0 ~pumpRunning~0)) (.cse3 (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1)) (.cse8 (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0))) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse7 (< 0 .cse2)) (.cse5 (+ |old(~methaneLevelCritical~0)| 1)) (.cse1 (< (+ ~waterLevel~0 |old(~methaneLevelCritical~0)|) 2))) (and (or (and (<= (* 2 ~methaneLevelCritical~0) 0) (<= 1 .cse0)) .cse1 (< 2 .cse2) .cse3 .cse4 (< ~pumpRunning~0 .cse5)) (or (or (< (+ ~pumpRunning~0 ~waterLevel~0) 2) .cse3 .cse6 .cse4 .cse7) (and .cse8 (<= .cse0 0))) (or .cse3 (< ~waterLevel~0 ~systemActive~0) (and .cse8 (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0)) (< (+ ~pumpRunning~0 |old(~methaneLevelCritical~0)|) 0) .cse6 (not (= ~waterLevel~0 1)) .cse7) (let ((.cse9 (+ ~pumpRunning~0 1))) (or (and (<= ~systemActive~0 ~methaneLevelCritical~0) (<= ~methaneLevelCritical~0 .cse9)) (not (= ~systemActive~0 1)) (< ~systemActive~0 .cse9) (< .cse5 ~waterLevel~0) (< ~systemActive~0 |old(~methaneLevelCritical~0)|) .cse1 (< .cse9 ~systemActive~0)))))) [2018-11-10 07:21:27,419 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 897 908) no Hoare annotation was computed. [2018-11-10 07:21:27,419 INFO L425 ceAbstractionStarter]: For program point L901-1(lines 897 908) no Hoare annotation was computed. [2018-11-10 07:21:27,419 INFO L421 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (let ((.cse10 (* 2 |old(~pumpRunning~0)|)) (.cse11 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (let ((.cse5 (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (.cse4 (+ ~methaneLevelCritical~0 1)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse7 (< (* 2 ~systemActive~0) 2)) (.cse9 (< .cse11 1)) (.cse2 (< 3 (+ ~systemActive~0 |old(~waterLevel~0)|))) (.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse8 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< 0 .cse10))) (and (or (< (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|) 2) .cse0 .cse1 .cse2 .cse3) (or (< |old(~waterLevel~0)| (+ |old(~pumpRunning~0)| 1)) (and (<= .cse4 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse5) .cse6 .cse7 .cse8 .cse9 .cse2) (or (< (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|) 2) (and (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) .cse5 (= ~pumpRunning~0 1)) (< 2 .cse10) .cse0 .cse2 (< |old(~pumpRunning~0)| .cse4)) (or .cse6 .cse7 .cse8 .cse9 .cse2 .cse3) (or .cse0 .cse8 (< .cse11 0) .cse1 (not (= |old(~waterLevel~0)| 1)) .cse3)))) [2018-11-10 07:21:27,419 INFO L425 ceAbstractionStarter]: For program point L59(lines 58 77) no Hoare annotation was computed. [2018-11-10 07:21:27,419 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 78) the Hoare annotation is: (let ((.cse17 (+ ~systemActive~0 |old(~waterLevel~0)|)) (.cse13 (+ ~methaneLevelCritical~0 1)) (.cse12 (* 2 |old(~pumpRunning~0)|)) (.cse14 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (let ((.cse4 (< .cse14 1)) (.cse10 (= 1 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse7 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse3 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse11 (not (= |old(~waterLevel~0)| 1))) (.cse6 (< 0 .cse12)) (.cse16 (+ |old(~pumpRunning~0)| 1)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< (* 2 ~systemActive~0) 2)) (.cse9 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse15 (<= .cse13 ~waterLevel~0)) (.cse5 (< 3 .cse17))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or (or (< (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|) 2) .cse7 .cse8 .cse5 .cse6) (and (<= (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) (<= 0 (* 2 ~pumpRunning~0)) (<= 2 .cse9))) (or .cse10 .cse1 .cse2 .cse3 .cse11 .cse4 .cse6) (or (and (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) (<= (+ ~systemActive~0 ~waterLevel~0) 3) (= ~pumpRunning~0 1)) (< (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|) 2) (< 2 .cse12) .cse7 .cse5 (< |old(~pumpRunning~0)| .cse13)) (or (and .cse10 .cse0) .cse7 .cse3 (< .cse14 0) .cse8 .cse11 .cse6) (or (and (<= .cse9 2) .cse15) (not (= ~systemActive~0 1)) (< ~systemActive~0 .cse16) (< .cse17 3) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ ~methaneLevelCritical~0 2) |old(~waterLevel~0)|) (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (or (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) (< |old(~waterLevel~0)| .cse16) .cse1 .cse2 (and (<= .cse9 3) (<= ~methaneLevelCritical~0 ~pumpRunning~0) .cse15) .cse5)))) [2018-11-10 07:21:27,420 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 78) no Hoare annotation was computed. [2018-11-10 07:21:27,420 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 78) no Hoare annotation was computed. [2018-11-10 07:21:27,420 INFO L421 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (let ((.cse17 (+ ~systemActive~0 |old(~waterLevel~0)|)) (.cse15 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse13 (* 2 |old(~pumpRunning~0)|)) (.cse14 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (let ((.cse4 (< .cse14 1)) (.cse10 (= 1 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse7 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse3 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse11 (not (= |old(~waterLevel~0)| 1))) (.cse6 (< 0 .cse13)) (.cse12 (+ ~methaneLevelCritical~0 1)) (.cse9 (<= 2 .cse15)) (.cse16 (+ |old(~pumpRunning~0)| 1)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< (* 2 ~systemActive~0) 2)) (.cse5 (< 3 .cse17))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or (or (< (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|) 2) .cse7 .cse8 .cse5 .cse6) (and (<= (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) (<= 0 (* 2 ~pumpRunning~0)) .cse9)) (or .cse10 .cse1 .cse2 .cse3 .cse11 .cse4 .cse6) (or (and (<= ~waterLevel~0 ~systemActive~0) (<= ~pumpRunning~0 .cse12) .cse9) (< (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|) 2) (< 2 .cse13) .cse7 .cse5 (< |old(~pumpRunning~0)| .cse12)) (or (and .cse10 .cse0) .cse7 .cse3 (< .cse14 0) .cse8 .cse11 .cse6) (or (and (<= .cse15 2) (<= .cse12 ~waterLevel~0)) (not (= ~systemActive~0 1)) (< ~systemActive~0 .cse16) (< .cse17 3) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ ~methaneLevelCritical~0 2) |old(~waterLevel~0)|) (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (or (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) (and (and (<= ~waterLevel~0 ~methaneLevelCritical~0) .cse9) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< |old(~waterLevel~0)| .cse16) .cse1 .cse2 .cse5)))) [2018-11-10 07:21:27,420 INFO L421 ceAbstractionStarter]: At program point L66(lines 66 72) the Hoare annotation is: (let ((.cse12 (* 2 |old(~pumpRunning~0)|)) (.cse17 (+ ~systemActive~0 |old(~waterLevel~0)|)) (.cse15 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0))) (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< (* 2 ~systemActive~0) 2)) (.cse4 (< .cse15 1)) (.cse7 (= 1 ~waterLevel~0)) (.cse0 (= ~pumpRunning~0 0)) (.cse3 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse13 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse16 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< 3 .cse17)) (.cse6 (< 0 .cse12)) (.cse11 (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (.cse9 (+ |old(~pumpRunning~0)| 1)) (.cse10 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse14 (+ ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse7 .cse1 .cse2 .cse3 .cse8 .cse4 .cse6) (or (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) (< |old(~waterLevel~0)| .cse9) (and (<= 1 .cse10) .cse11 .cse0) .cse2 .cse4 .cse5) (or (<= ~waterLevel~0 ~systemActive~0) (< (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|) 2) (< 2 .cse12) .cse13 .cse5 (< |old(~pumpRunning~0)| .cse14)) (or (and .cse7 .cse0) .cse13 .cse3 (< .cse15 0) .cse16 .cse8 .cse6) (or (< (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|) 2) .cse13 .cse16 .cse5 .cse6 (and (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) .cse11 (= ~pumpRunning~0 1))) (or (not (= ~systemActive~0 1)) (< ~systemActive~0 .cse9) (< .cse17 3) (< .cse14 |old(~waterLevel~0)|) (< ~systemActive~0 ~methaneLevelCritical~0) (and (<= .cse10 2) (<= .cse14 ~waterLevel~0)) (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|))))) [2018-11-10 07:21:27,420 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 909 917) the Hoare annotation is: true [2018-11-10 07:21:27,420 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 909 917) no Hoare annotation was computed. [2018-11-10 07:21:27,420 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 909 917) no Hoare annotation was computed. [2018-11-10 07:21:27,421 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 775 804) no Hoare annotation was computed. [2018-11-10 07:21:27,421 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 793) no Hoare annotation was computed. [2018-11-10 07:21:27,421 INFO L428 ceAbstractionStarter]: At program point L789-1(lines 789 793) the Hoare annotation is: true [2018-11-10 07:21:27,421 INFO L425 ceAbstractionStarter]: For program point L785-1(lines 785 799) no Hoare annotation was computed. [2018-11-10 07:21:27,421 INFO L428 ceAbstractionStarter]: At program point L785-3(lines 785 799) the Hoare annotation is: true [2018-11-10 07:21:27,421 INFO L428 ceAbstractionStarter]: At program point L781(line 781) the Hoare annotation is: true [2018-11-10 07:21:27,421 INFO L425 ceAbstractionStarter]: For program point L781-1(line 781) no Hoare annotation was computed. [2018-11-10 07:21:27,421 INFO L428 ceAbstractionStarter]: At program point L800(lines 775 804) the Hoare annotation is: true [2018-11-10 07:21:27,421 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 775 804) the Hoare annotation is: true [2018-11-10 07:21:27,421 INFO L425 ceAbstractionStarter]: For program point L796(line 796) no Hoare annotation was computed. [2018-11-10 07:21:27,421 INFO L425 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2018-11-10 07:21:27,421 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 873 884) the Hoare annotation is: (let ((.cse2 (+ ~methaneLevelCritical~0 1)) (.cse0 (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (.cse1 (< 3 (+ ~systemActive~0 |old(~waterLevel~0)|)))) (and (or (< (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|) 2) (and (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) .cse0) (< 2 (* 2 ~pumpRunning~0)) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) .cse1 (< ~pumpRunning~0 .cse2)) (or (= ~pumpRunning~0 0) (< |old(~waterLevel~0)| (+ ~pumpRunning~0 1)) (and (<= .cse2 ~waterLevel~0) .cse0) (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) (< (+ ~methaneLevelCritical~0 ~pumpRunning~0) 1) .cse1))) [2018-11-10 07:21:27,422 INFO L425 ceAbstractionStarter]: For program point L877-1(lines 873 884) no Hoare annotation was computed. [2018-11-10 07:21:27,422 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 873 884) no Hoare annotation was computed. [2018-11-10 07:21:27,422 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 07:21:27,422 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (<= ~systemActive~0 ~waterLevel~0) (= ~pumpRunning~0 0)) [2018-11-10 07:21:27,422 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 07:21:27,422 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 07:21:27,422 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 829 835) no Hoare annotation was computed. [2018-11-10 07:21:27,422 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 829 835) the Hoare annotation is: true [2018-11-10 07:21:27,422 INFO L421 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (let ((.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse3 (not (= ~waterLevel~0 1))) (.cse2 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse4 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (< .cse2 0) (not (= ~methaneLevelCritical~0 0)) .cse3 .cse4) (or (and (<= 2 (+ processEnvironment__wrappee__highWaterSensor_~tmp~0 ~systemActive~0)) (<= (+ processEnvironment__wrappee__highWaterSensor_~tmp~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< ~waterLevel~0 (+ |old(~pumpRunning~0)| 2)) (< 4 (* 2 ~waterLevel~0)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) .cse0) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 .cse3 (< .cse2 1) .cse4))) [2018-11-10 07:21:27,422 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 87 111) the Hoare annotation is: (let ((.cse0 (+ |old(~pumpRunning~0)| 1))) (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)) (< ~systemActive~0 .cse0) (< ~systemActive~0 ~methaneLevelCritical~0) (< .cse0 ~systemActive~0) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (< ~waterLevel~0 ~systemActive~0) (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0))) [2018-11-10 07:21:27,422 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 103) no Hoare annotation was computed. [2018-11-10 07:21:27,423 INFO L421 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (let ((.cse0 (+ |old(~pumpRunning~0)| 1))) (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)) (< ~systemActive~0 .cse0) (< ~systemActive~0 ~methaneLevelCritical~0) (< .cse0 ~systemActive~0) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (< ~waterLevel~0 ~systemActive~0) (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0))) [2018-11-10 07:21:27,423 INFO L425 ceAbstractionStarter]: For program point L93-1(line 93) no Hoare annotation was computed. [2018-11-10 07:21:27,423 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 87 111) no Hoare annotation was computed. [2018-11-10 07:21:27,423 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 108) no Hoare annotation was computed. [2018-11-10 07:21:27,423 INFO L421 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse2 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse4 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (< .cse2 0) .cse3 (not (= ~waterLevel~0 1)) .cse4) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 (< .cse2 1) .cse5 .cse4) (or (< (+ |old(~pumpRunning~0)| ~waterLevel~0) 2) .cse0 .cse3 .cse5 .cse4))) [2018-11-10 07:21:27,423 INFO L425 ceAbstractionStarter]: For program point L106-1(lines 87 111) no Hoare annotation was computed. [2018-11-10 07:21:27,423 INFO L421 ceAbstractionStarter]: At program point L101(line 101) the Hoare annotation is: (let ((.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse1 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= ~pumpRunning~0 0))) (.cse2 (< ~waterLevel~0 ~systemActive~0)) (.cse3 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse4 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< ~waterLevel~0 (+ |old(~pumpRunning~0)| 2)) (< 4 (* 2 ~waterLevel~0)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) .cse0) (or .cse1 .cse0 .cse2 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse3 .cse4) (or .cse1 (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse2 (< (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0) 1) .cse3 .cse4))) [2018-11-10 07:21:27,423 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 291 298) no Hoare annotation was computed. [2018-11-10 07:21:27,424 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 291 298) the Hoare annotation is: (let ((.cse10 (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0))) (.cse12 (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (.cse1 (* 2 ~pumpRunning~0))) (let ((.cse7 (< ~waterLevel~0 |old(~systemActive~0)|)) (.cse8 (+ ~methaneLevelCritical~0 ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< (* 2 |old(~systemActive~0)|) 2)) (.cse4 (<= ~methaneLevelCritical~0 ~systemActive~0)) (.cse2 (< (+ ~methaneLevelCritical~0 |old(~systemActive~0)|) 1)) (.cse11 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< 3 (+ ~waterLevel~0 |old(~systemActive~0)|))) (.cse9 (< 0 .cse1)) (.cse0 (and .cse10 .cse12))) (and (or .cse0 (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) (< 2 .cse1) .cse2 .cse3 (< ~pumpRunning~0 (+ ~methaneLevelCritical~0 1))) (or (and (<= ~systemActive~0 ~methaneLevelCritical~0) .cse4) .cse5 .cse6 .cse7 (< .cse8 1) .cse3 .cse9) (or (and (<= ~systemActive~0 ~waterLevel~0) .cse10) .cse2 .cse7 (< .cse8 0) .cse11 (not (= ~waterLevel~0 1)) .cse9) (or (< ~pumpRunning~0 ~methaneLevelCritical~0) (< ~waterLevel~0 (+ ~pumpRunning~0 1)) .cse5 .cse6 (and .cse12 .cse4) .cse3) (or (or (< (+ ~pumpRunning~0 ~waterLevel~0) 2) .cse2 .cse11 .cse3 .cse9) .cse0)))) [2018-11-10 07:21:27,424 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 291 298) no Hoare annotation was computed. [2018-11-10 07:21:27,424 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 885 896) no Hoare annotation was computed. [2018-11-10 07:21:27,424 INFO L425 ceAbstractionStarter]: For program point L889-1(lines 885 896) no Hoare annotation was computed. [2018-11-10 07:21:27,424 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 885 896) the Hoare annotation is: (let ((.cse7 (* 2 ~pumpRunning~0)) (.cse12 (+ ~methaneLevelCritical~0 ~pumpRunning~0))) (let ((.cse0 (<= (+ ~systemActive~0 ~waterLevel~0) 3)) (.cse5 (< 3 (+ ~systemActive~0 |old(~waterLevel~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< (* 2 ~systemActive~0) 2)) (.cse4 (< .cse12 1)) (.cse10 (= 1 ~waterLevel~0)) (.cse3 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse11 (not (= |old(~waterLevel~0)| 1))) (.cse6 (< 0 .cse7)) (.cse9 (+ ~methaneLevelCritical~0 1)) (.cse8 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or (and (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) .cse0) (< (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|) 2) (< 2 .cse7) .cse8 .cse5 (< ~pumpRunning~0 .cse9)) (or .cse10 .cse1 .cse2 .cse3 .cse11 .cse4 .cse6) (or .cse10 .cse8 .cse3 (< .cse12 0) (not (= ~methaneLevelCritical~0 0)) .cse11 .cse6) (or (<= .cse9 ~waterLevel~0) (< |old(~waterLevel~0)| (+ ~pumpRunning~0 2)) (< .cse9 |old(~waterLevel~0)|) (< 4 (* 2 |old(~waterLevel~0)|)) (< ~systemActive~0 ~methaneLevelCritical~0) (< (+ ~pumpRunning~0 1) ~systemActive~0) .cse8)))) [2018-11-10 07:21:27,424 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 1001 1008) no Hoare annotation was computed. [2018-11-10 07:21:27,424 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 1001 1008) the Hoare annotation is: true [2018-11-10 07:21:27,424 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1005) no Hoare annotation was computed. [2018-11-10 07:21:27,424 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 1001 1008) no Hoare annotation was computed. [2018-11-10 07:21:27,425 INFO L421 ceAbstractionStarter]: At program point L989(line 989) the Hoare annotation is: (let ((.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (< ~waterLevel~0 ~systemActive~0)) (.cse2 (+ ~methaneLevelCritical~0 ~pumpRunning~0)) (.cse5 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse4 (< 0 (* 2 ~pumpRunning~0)))) (and (or .cse0 .cse1 (< .cse2 0) .cse3 (not (= ~waterLevel~0 1)) .cse4) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse0 .cse3 (< 2 (+ ~pumpRunning~0 ~systemActive~0)) .cse5 (< ~pumpRunning~0 (+ ~methaneLevelCritical~0 1))) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse1 (< .cse2 1) .cse5 .cse4))) [2018-11-10 07:21:27,425 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 975 999) the Hoare annotation is: true [2018-11-10 07:21:27,425 INFO L425 ceAbstractionStarter]: For program point L987(lines 987 993) no Hoare annotation was computed. [2018-11-10 07:21:27,425 INFO L421 ceAbstractionStarter]: At program point L985(line 985) the Hoare annotation is: (let ((.cse0 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (< ~waterLevel~0 ~systemActive~0) (< (+ ~methaneLevelCritical~0 ~pumpRunning~0) 0) .cse1 (not (= ~waterLevel~0 1)) (< 0 (* 2 ~pumpRunning~0))) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 2) .cse0 .cse1 (< 2 (+ ~pumpRunning~0 ~systemActive~0)) (< 3 (+ ~systemActive~0 ~waterLevel~0)) (< ~pumpRunning~0 (+ ~methaneLevelCritical~0 1))))) [2018-11-10 07:21:27,425 INFO L425 ceAbstractionStarter]: For program point L985-1(line 985) no Hoare annotation was computed. [2018-11-10 07:21:27,425 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 975 999) no Hoare annotation was computed. [2018-11-10 07:21:27,425 INFO L425 ceAbstractionStarter]: For program point L983(lines 983 996) no Hoare annotation was computed. [2018-11-10 07:21:27,425 INFO L425 ceAbstractionStarter]: For program point L983-1(lines 975 999) no Hoare annotation was computed. [2018-11-10 07:21:27,425 INFO L428 ceAbstractionStarter]: At program point L981(line 981) the Hoare annotation is: true [2018-11-10 07:21:27,425 INFO L425 ceAbstractionStarter]: For program point L981-1(line 981) no Hoare annotation was computed. [2018-11-10 07:21:27,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 07:21:27 BoogieIcfgContainer [2018-11-10 07:21:27,438 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 07:21:27,439 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 07:21:27,439 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 07:21:27,439 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 07:21:27,439 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 07:11:01" (3/4) ... [2018-11-10 07:21:27,442 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 07:21:27,447 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 07:21:27,447 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 07:21:27,447 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 07:21:27,447 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-10 07:21:27,447 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 07:21:27,447 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-10 07:21:27,447 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 07:21:27,447 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 07:21:27,447 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-10 07:21:27,448 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 07:21:27,448 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 07:21:27,448 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-10 07:21:27,448 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-10 07:21:27,448 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 07:21:27,448 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-10 07:21:27,448 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-10 07:21:27,448 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 07:21:27,448 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-10 07:21:27,448 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-10 07:21:27,448 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 07:21:27,448 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 07:21:27,448 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 07:21:27,448 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 07:21:27,449 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 07:21:27,449 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 07:21:27,449 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-10 07:21:27,449 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-10 07:21:27,449 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 07:21:27,449 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 07:21:27,449 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-10 07:21:27,459 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 140 nodes and edges [2018-11-10 07:21:27,459 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 07:21:27,463 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 07:21:27,487 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((pumpRunning + 1 <= waterLevel && systemActive <= waterLevel) && systemActive + waterLevel <= 3) && 1 <= systemActive + splverifierCounter) && splverifierCounter <= methaneLevelCritical) && 2 * methaneLevelCritical <= 2) && 0 <= 2 * pumpRunning) && tmp___2 <= systemActive + 2147483646) && 0 <= splverifierCounter + tmp___2 + 2147483648) && splverifierCounter == 0) && 2 <= methaneLevelCritical + systemActive) && pumpRunning == 0) || 1 < \old(pumpRunning) + \old(waterLevel)) || (((((((((((pumpRunning + 1 <= waterLevel && systemActive <= waterLevel) && systemActive + waterLevel <= 3) && 1 <= systemActive + splverifierCounter) && splverifierCounter <= methaneLevelCritical) && 2 * methaneLevelCritical <= 2) && 0 <= 2 * pumpRunning) && tmp___2 <= systemActive + 2147483646) && 0 <= splverifierCounter + tmp___2 + 2147483648) && splverifierCounter == 0) && 3 <= pumpRunning + waterLevel) && 2 * methaneLevelCritical <= 0)) || (((((pumpRunning + 1 <= waterLevel && systemActive <= waterLevel) && methaneLevelCritical == 0) && 1 <= pumpRunning + systemActive) && splverifierCounter == 0) && waterLevel + splverifierCounter <= 1)) || \old(pumpRunning) + 1 < \old(systemActive)) || \old(methaneLevelCritical) + \old(systemActive) < 1) || \old(waterLevel) < \old(systemActive)) || !(\old(methaneLevelCritical) == 0) [2018-11-10 07:21:27,487 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(methaneLevelCritical) + \old(systemActive) < 1 || \old(waterLevel) < \old(systemActive)) || \old(pumpRunning) + \old(methaneLevelCritical) < 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) [2018-11-10 07:21:27,523 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9ebfb004-100d-4c3b-9d31-347f19e8586c/bin-2019/utaipan/witness.graphml [2018-11-10 07:21:27,523 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 07:21:27,523 INFO L168 Benchmark]: Toolchain (without parser) took 627451.28 ms. Allocated memory was 1.0 GB in the beginning and 5.6 GB in the end (delta: 4.6 GB). Free memory was 955.9 MB in the beginning and 1.9 GB in the end (delta: -894.5 MB). Peak memory consumption was 3.7 GB. Max. memory is 11.5 GB. [2018-11-10 07:21:27,524 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:21:27,524 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.36 ms. Allocated memory is still 1.0 GB. Free memory was 955.9 MB in the beginning and 934.4 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 07:21:27,524 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 934.4 MB in the beginning and 1.2 GB in the end (delta: -222.9 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-11-10 07:21:27,524 INFO L168 Benchmark]: Boogie Preprocessor took 33.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 07:21:27,524 INFO L168 Benchmark]: RCFGBuilder took 712.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 98.8 MB). Peak memory consumption was 98.8 MB. Max. memory is 11.5 GB. [2018-11-10 07:21:27,524 INFO L168 Benchmark]: TraceAbstraction took 626205.31 ms. Allocated memory was 1.2 GB in the beginning and 5.6 GB in the end (delta: 4.4 GB). Free memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: -791.9 MB). Peak memory consumption was 4.6 GB. Max. memory is 11.5 GB. [2018-11-10 07:21:27,525 INFO L168 Benchmark]: Witness Printer took 84.17 ms. Allocated memory is still 5.6 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. [2018-11-10 07:21:27,526 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 311.36 ms. Allocated memory is still 1.0 GB. Free memory was 955.9 MB in the beginning and 934.4 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 101.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 167.2 MB). Free memory was 934.4 MB in the beginning and 1.2 GB in the end (delta: -222.9 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.07 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 712.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 98.8 MB). Peak memory consumption was 98.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 626205.31 ms. Allocated memory was 1.2 GB in the beginning and 5.6 GB in the end (delta: 4.4 GB). Free memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: -791.9 MB). Peak memory consumption was 4.6 GB. Max. memory is 11.5 GB. * Witness Printer took 84.17 ms. Allocated memory is still 5.6 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1005]: 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: 775]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: (((((((((((((((((pumpRunning + 1 <= waterLevel && systemActive <= waterLevel) && systemActive + waterLevel <= 3) && 1 <= systemActive + splverifierCounter) && splverifierCounter <= methaneLevelCritical) && 2 * methaneLevelCritical <= 2) && 0 <= 2 * pumpRunning) && tmp___2 <= systemActive + 2147483646) && 0 <= splverifierCounter + tmp___2 + 2147483648) && splverifierCounter == 0) && 2 <= methaneLevelCritical + systemActive) && pumpRunning == 0) || 1 < \old(pumpRunning) + \old(waterLevel)) || (((((((((((pumpRunning + 1 <= waterLevel && systemActive <= waterLevel) && systemActive + waterLevel <= 3) && 1 <= systemActive + splverifierCounter) && splverifierCounter <= methaneLevelCritical) && 2 * methaneLevelCritical <= 2) && 0 <= 2 * pumpRunning) && tmp___2 <= systemActive + 2147483646) && 0 <= splverifierCounter + tmp___2 + 2147483648) && splverifierCounter == 0) && 3 <= pumpRunning + waterLevel) && 2 * methaneLevelCritical <= 0)) || (((((pumpRunning + 1 <= waterLevel && systemActive <= waterLevel) && methaneLevelCritical == 0) && 1 <= pumpRunning + systemActive) && splverifierCounter == 0) && waterLevel + splverifierCounter <= 1)) || \old(pumpRunning) + 1 < \old(systemActive)) || \old(methaneLevelCritical) + \old(systemActive) < 1) || \old(waterLevel) < \old(systemActive)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 312]: Loop Invariant Derived loop invariant: ((((\old(methaneLevelCritical) + \old(systemActive) < 1 || \old(waterLevel) < \old(systemActive)) || \old(pumpRunning) + \old(methaneLevelCritical) < 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 169 locations, 1 error locations. SAFE Result, 626.1s OverallTime, 12 OverallIterations, 6 TraceHistogramMax, 271.4s AutomataDifference, 0.0s DeadEndRemovalTime, 41.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2881 SDtfs, 5374 SDslu, 21239 SDs, 0 SdLazy, 28720 SolverSat, 2768 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 151.7s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 830 GetRequests, 420 SyntacticMatches, 8 SemanticMatches, 402 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17413 ImplicationChecksByTransitivity, 24.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1722occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 232.5s AbstIntTime, 3 AbstIntIterations, 3 AbstIntStrong, 0.993940619830054 AbsIntWeakeningRatio, 0.8268156424581006 AbsIntAvgWeakeningVarsNumRemoved, 5810.64990689013 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 717 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 70 LocationsWithAnnotation, 2754 PreInvPairs, 2963 NumberOfFragments, 5473 HoareAnnotationTreeSize, 2754 FomulaSimplifications, 426351 FormulaSimplificationTreeSizeReduction, 12.5s HoareSimplificationTime, 70 FomulaSimplificationsInter, 1169624 FormulaSimplificationTreeSizeReductionInter, 28.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1247 NumberOfCodeBlocks, 1247 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1235 ConstructedInterpolants, 0 QuantifiedInterpolants, 226371 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 234/248 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...