./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product62_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8dfa26bc-86c5-4b35-b580-255e4e0fb033/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8dfa26bc-86c5-4b35-b580-255e4e0fb033/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8dfa26bc-86c5-4b35-b580-255e4e0fb033/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8dfa26bc-86c5-4b35-b580-255e4e0fb033/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product62_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8dfa26bc-86c5-4b35-b580-255e4e0fb033/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8dfa26bc-86c5-4b35-b580-255e4e0fb033/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 b53c74b3fbc69a335e393da17bbcb1aa5d3461be ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 10:05:11,549 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:05:11,550 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:05:11,558 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:05:11,558 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:05:11,559 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:05:11,559 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:05:11,560 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:05:11,562 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:05:11,562 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:05:11,563 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:05:11,563 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:05:11,564 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:05:11,564 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:05:11,565 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:05:11,565 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:05:11,566 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:05:11,567 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:05:11,568 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:05:11,569 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:05:11,570 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:05:11,571 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:05:11,572 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:05:11,573 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:05:11,573 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:05:11,573 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:05:11,574 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:05:11,575 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:05:11,575 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:05:11,576 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:05:11,576 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:05:11,577 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:05:11,577 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:05:11,577 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:05:11,578 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:05:11,578 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:05:11,578 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8dfa26bc-86c5-4b35-b580-255e4e0fb033/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 10:05:11,588 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:05:11,588 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:05:11,589 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:05:11,589 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 10:05:11,589 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 10:05:11,589 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 10:05:11,589 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 10:05:11,589 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 10:05:11,590 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 10:05:11,590 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 10:05:11,590 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 10:05:11,590 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 10:05:11,590 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 10:05:11,591 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:05:11,591 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:05:11,591 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:05:11,591 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:05:11,591 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:05:11,591 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:05:11,592 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:05:11,592 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:05:11,592 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:05:11,592 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:05:11,592 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:05:11,592 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:05:11,592 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:05:11,593 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:05:11,593 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:05:11,593 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:05:11,593 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:05:11,593 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:05:11,593 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:05:11,593 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:05:11,593 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 10:05:11,594 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:05:11,594 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:05:11,594 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 10:05:11,594 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_8dfa26bc-86c5-4b35-b580-255e4e0fb033/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 -> b53c74b3fbc69a335e393da17bbcb1aa5d3461be [2018-11-18 10:05:11,617 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:05:11,626 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:05:11,628 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:05:11,629 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:05:11,629 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:05:11,630 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8dfa26bc-86c5-4b35-b580-255e4e0fb033/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product62_true-unreach-call_false-termination.cil.c [2018-11-18 10:05:11,663 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8dfa26bc-86c5-4b35-b580-255e4e0fb033/bin-2019/utaipan/data/dc905e2b1/31fc3028e7a04291ae8b0288511d1018/FLAG7aed88326 [2018-11-18 10:05:12,083 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:05:12,083 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8dfa26bc-86c5-4b35-b580-255e4e0fb033/sv-benchmarks/c/product-lines/minepump_spec3_product62_true-unreach-call_false-termination.cil.c [2018-11-18 10:05:12,090 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8dfa26bc-86c5-4b35-b580-255e4e0fb033/bin-2019/utaipan/data/dc905e2b1/31fc3028e7a04291ae8b0288511d1018/FLAG7aed88326 [2018-11-18 10:05:12,099 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8dfa26bc-86c5-4b35-b580-255e4e0fb033/bin-2019/utaipan/data/dc905e2b1/31fc3028e7a04291ae8b0288511d1018 [2018-11-18 10:05:12,101 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:05:12,101 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:05:12,102 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:05:12,102 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:05:12,104 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:05:12,104 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:05:12" (1/1) ... [2018-11-18 10:05:12,106 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:12, skipping insertion in model container [2018-11-18 10:05:12,106 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:05:12" (1/1) ... [2018-11-18 10:05:12,112 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:05:12,143 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:05:12,338 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:05:12,345 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:05:12,443 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:05:12,464 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:05:12,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:12 WrapperNode [2018-11-18 10:05:12,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:05:12,465 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:05:12,465 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:05:12,465 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:05:12,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:12" (1/1) ... [2018-11-18 10:05:12,481 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:12" (1/1) ... [2018-11-18 10:05:12,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:05:12,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:05:12,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:05:12,487 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:05:12,493 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:12" (1/1) ... [2018-11-18 10:05:12,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:12" (1/1) ... [2018-11-18 10:05:12,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:12" (1/1) ... [2018-11-18 10:05:12,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:12" (1/1) ... [2018-11-18 10:05:12,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:12" (1/1) ... [2018-11-18 10:05:12,510 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:12" (1/1) ... [2018-11-18 10:05:12,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:12" (1/1) ... [2018-11-18 10:05:12,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:05:12,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:05:12,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:05:12,516 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:05:12,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8dfa26bc-86c5-4b35-b580-255e4e0fb033/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:05:12,559 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 10:05:12,559 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 10:05:12,559 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:05:12,559 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:05:12,559 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 10:05:12,560 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 10:05:12,560 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:05:12,560 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 10:05:12,560 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 10:05:12,560 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 10:05:12,560 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 10:05:12,560 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 10:05:12,560 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 10:05:12,560 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 10:05:12,561 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 10:05:12,561 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 10:05:12,561 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 10:05:12,561 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 10:05:12,561 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 10:05:12,561 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 10:05:12,561 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 10:05:12,561 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 10:05:12,561 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 10:05:12,562 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 10:05:12,562 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 10:05:12,562 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 10:05:12,562 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 10:05:12,562 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 10:05:12,562 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 10:05:12,562 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 10:05:12,562 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 10:05:12,562 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 10:05:12,562 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 10:05:12,563 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 10:05:12,563 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 10:05:12,563 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 10:05:12,563 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 10:05:12,563 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 10:05:12,563 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 10:05:12,563 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 10:05:12,563 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 10:05:12,563 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 10:05:12,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 10:05:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 10:05:12,564 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 10:05:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 10:05:12,564 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 10:05:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 10:05:12,564 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 10:05:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 10:05:12,564 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 10:05:12,564 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 10:05:12,564 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 10:05:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 10:05:12,565 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 10:05:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:05:12,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:05:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 10:05:12,565 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 10:05:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-18 10:05:12,565 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-18 10:05:12,565 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 10:05:12,565 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 10:05:12,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:05:12,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:05:13,108 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:05:13,109 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:05:13 BoogieIcfgContainer [2018-11-18 10:05:13,109 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:05:13,109 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:05:13,110 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:05:13,111 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:05:13,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:05:12" (1/3) ... [2018-11-18 10:05:13,112 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c67522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:05:13, skipping insertion in model container [2018-11-18 10:05:13,112 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:05:12" (2/3) ... [2018-11-18 10:05:13,113 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c67522 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:05:13, skipping insertion in model container [2018-11-18 10:05:13,113 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:05:13" (3/3) ... [2018-11-18 10:05:13,114 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product62_true-unreach-call_false-termination.cil.c [2018-11-18 10:05:13,120 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:05:13,125 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:05:13,134 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:05:13,157 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:05:13,157 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:05:13,157 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:05:13,157 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:05:13,157 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:05:13,157 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:05:13,157 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:05:13,158 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:05:13,172 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2018-11-18 10:05:13,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 10:05:13,180 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:05:13,180 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:05:13,182 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:05:13,186 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:05:13,186 INFO L82 PathProgramCache]: Analyzing trace with hash 980398150, now seen corresponding path program 1 times [2018-11-18 10:05:13,188 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:05:13,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:13,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:05:13,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:13,216 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:05:13,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:13,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:05:13,385 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:05:13,385 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 10:05:13,385 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:05:13,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 10:05:13,398 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 10:05:13,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:05:13,400 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 2 states. [2018-11-18 10:05:13,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:05:13,432 INFO L93 Difference]: Finished difference Result 324 states and 401 transitions. [2018-11-18 10:05:13,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 10:05:13,433 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-18 10:05:13,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:05:13,443 INFO L225 Difference]: With dead ends: 324 [2018-11-18 10:05:13,443 INFO L226 Difference]: Without dead ends: 162 [2018-11-18 10:05:13,446 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:05:13,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-11-18 10:05:13,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2018-11-18 10:05:13,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-11-18 10:05:13,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 192 transitions. [2018-11-18 10:05:13,485 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 192 transitions. Word has length 52 [2018-11-18 10:05:13,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:05:13,485 INFO L480 AbstractCegarLoop]: Abstraction has 162 states and 192 transitions. [2018-11-18 10:05:13,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 10:05:13,485 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 192 transitions. [2018-11-18 10:05:13,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 10:05:13,488 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:05:13,488 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] [2018-11-18 10:05:13,488 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:05:13,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:05:13,489 INFO L82 PathProgramCache]: Analyzing trace with hash -357683283, now seen corresponding path program 1 times [2018-11-18 10:05:13,489 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:05:13,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:13,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:05:13,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:13,490 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:05:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:13,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:05:13,577 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:05:13,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:05:13,577 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:05:13,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:05:13,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:05:13,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:05:13,579 INFO L87 Difference]: Start difference. First operand 162 states and 192 transitions. Second operand 3 states. [2018-11-18 10:05:13,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:05:13,609 INFO L93 Difference]: Finished difference Result 267 states and 317 transitions. [2018-11-18 10:05:13,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:05:13,611 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-11-18 10:05:13,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:05:13,613 INFO L225 Difference]: With dead ends: 267 [2018-11-18 10:05:13,613 INFO L226 Difference]: Without dead ends: 152 [2018-11-18 10:05:13,615 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:05:13,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-11-18 10:05:13,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-11-18 10:05:13,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-11-18 10:05:13,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 179 transitions. [2018-11-18 10:05:13,629 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 179 transitions. Word has length 54 [2018-11-18 10:05:13,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:05:13,630 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 179 transitions. [2018-11-18 10:05:13,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:05:13,630 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 179 transitions. [2018-11-18 10:05:13,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 10:05:13,632 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:05:13,633 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] [2018-11-18 10:05:13,633 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:05:13,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:05:13,633 INFO L82 PathProgramCache]: Analyzing trace with hash -231285860, now seen corresponding path program 1 times [2018-11-18 10:05:13,633 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:05:13,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:13,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:05:13,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:13,635 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:05:13,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:13,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:05:13,734 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:05:13,735 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:05:13,735 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:05:13,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:05:13,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:05:13,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:05:13,736 INFO L87 Difference]: Start difference. First operand 152 states and 179 transitions. Second operand 3 states. [2018-11-18 10:05:13,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:05:13,758 INFO L93 Difference]: Finished difference Result 280 states and 335 transitions. [2018-11-18 10:05:13,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:05:13,759 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2018-11-18 10:05:13,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:05:13,761 INFO L225 Difference]: With dead ends: 280 [2018-11-18 10:05:13,761 INFO L226 Difference]: Without dead ends: 152 [2018-11-18 10:05:13,762 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:05:13,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-11-18 10:05:13,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-11-18 10:05:13,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-11-18 10:05:13,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 178 transitions. [2018-11-18 10:05:13,775 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 178 transitions. Word has length 59 [2018-11-18 10:05:13,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:05:13,775 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 178 transitions. [2018-11-18 10:05:13,775 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:05:13,775 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 178 transitions. [2018-11-18 10:05:13,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 10:05:13,778 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:05:13,778 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] [2018-11-18 10:05:13,778 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:05:13,779 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:05:13,779 INFO L82 PathProgramCache]: Analyzing trace with hash -1543355832, now seen corresponding path program 1 times [2018-11-18 10:05:13,779 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:05:13,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:13,780 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:05:13,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:13,780 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:05:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:13,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:05:13,887 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:05:13,887 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 10:05:13,887 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:05:13,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 10:05:13,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 10:05:13,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 10:05:13,888 INFO L87 Difference]: Start difference. First operand 152 states and 178 transitions. Second operand 5 states. [2018-11-18 10:05:14,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:05:14,374 INFO L93 Difference]: Finished difference Result 408 states and 492 transitions. [2018-11-18 10:05:14,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 10:05:14,374 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2018-11-18 10:05:14,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:05:14,376 INFO L225 Difference]: With dead ends: 408 [2018-11-18 10:05:14,376 INFO L226 Difference]: Without dead ends: 280 [2018-11-18 10:05:14,377 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 10:05:14,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2018-11-18 10:05:14,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 260. [2018-11-18 10:05:14,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2018-11-18 10:05:14,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 295 transitions. [2018-11-18 10:05:14,402 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 295 transitions. Word has length 77 [2018-11-18 10:05:14,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:05:14,402 INFO L480 AbstractCegarLoop]: Abstraction has 260 states and 295 transitions. [2018-11-18 10:05:14,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 10:05:14,403 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 295 transitions. [2018-11-18 10:05:14,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 10:05:14,404 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:05:14,404 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:05:14,405 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:05:14,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:05:14,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1904408513, now seen corresponding path program 1 times [2018-11-18 10:05:14,405 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:05:14,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:14,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:05:14,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:14,407 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:05:14,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:14,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:05:14,485 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:05:14,485 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 10:05:14,485 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:05:14,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 10:05:14,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:05:14,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:05:14,487 INFO L87 Difference]: Start difference. First operand 260 states and 295 transitions. Second operand 6 states. [2018-11-18 10:05:14,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:05:14,639 INFO L93 Difference]: Finished difference Result 639 states and 758 transitions. [2018-11-18 10:05:14,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 10:05:14,641 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 91 [2018-11-18 10:05:14,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:05:14,644 INFO L225 Difference]: With dead ends: 639 [2018-11-18 10:05:14,644 INFO L226 Difference]: Without dead ends: 403 [2018-11-18 10:05:14,646 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 10:05:14,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2018-11-18 10:05:14,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 399. [2018-11-18 10:05:14,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2018-11-18 10:05:14,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 458 transitions. [2018-11-18 10:05:14,688 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 458 transitions. Word has length 91 [2018-11-18 10:05:14,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:05:14,690 INFO L480 AbstractCegarLoop]: Abstraction has 399 states and 458 transitions. [2018-11-18 10:05:14,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 10:05:14,690 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 458 transitions. [2018-11-18 10:05:14,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-18 10:05:14,691 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:05:14,691 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:05:14,691 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:05:14,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:05:14,691 INFO L82 PathProgramCache]: Analyzing trace with hash 706951993, now seen corresponding path program 1 times [2018-11-18 10:05:14,691 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:05:14,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:14,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:05:14,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:14,692 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:05:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:14,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:05:14,787 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:05:14,787 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 10:05:14,787 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:05:14,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 10:05:14,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:05:14,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:05:14,788 INFO L87 Difference]: Start difference. First operand 399 states and 458 transitions. Second operand 6 states. [2018-11-18 10:05:14,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:05:14,963 INFO L93 Difference]: Finished difference Result 866 states and 1031 transitions. [2018-11-18 10:05:14,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 10:05:14,963 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2018-11-18 10:05:14,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:05:14,966 INFO L225 Difference]: With dead ends: 866 [2018-11-18 10:05:14,966 INFO L226 Difference]: Without dead ends: 630 [2018-11-18 10:05:14,967 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 10:05:14,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2018-11-18 10:05:14,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 612. [2018-11-18 10:05:14,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2018-11-18 10:05:14,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 718 transitions. [2018-11-18 10:05:14,998 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 718 transitions. Word has length 95 [2018-11-18 10:05:14,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:05:14,998 INFO L480 AbstractCegarLoop]: Abstraction has 612 states and 718 transitions. [2018-11-18 10:05:14,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 10:05:14,998 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 718 transitions. [2018-11-18 10:05:15,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-18 10:05:15,000 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:05:15,000 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:05:15,000 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:05:15,000 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:05:15,000 INFO L82 PathProgramCache]: Analyzing trace with hash -1228708294, now seen corresponding path program 1 times [2018-11-18 10:05:15,000 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:05:15,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:15,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:05:15,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:15,002 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:05:15,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:15,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:05:15,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:05:15,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 10:05:15,064 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:05:15,064 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 10:05:15,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 10:05:15,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 10:05:15,064 INFO L87 Difference]: Start difference. First operand 612 states and 718 transitions. Second operand 5 states. [2018-11-18 10:05:15,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:05:15,101 INFO L93 Difference]: Finished difference Result 1071 states and 1283 transitions. [2018-11-18 10:05:15,102 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 10:05:15,102 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 95 [2018-11-18 10:05:15,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:05:15,104 INFO L225 Difference]: With dead ends: 1071 [2018-11-18 10:05:15,104 INFO L226 Difference]: Without dead ends: 622 [2018-11-18 10:05:15,105 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 10:05:15,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2018-11-18 10:05:15,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 616. [2018-11-18 10:05:15,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 616 states. [2018-11-18 10:05:15,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 721 transitions. [2018-11-18 10:05:15,127 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 721 transitions. Word has length 95 [2018-11-18 10:05:15,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:05:15,128 INFO L480 AbstractCegarLoop]: Abstraction has 616 states and 721 transitions. [2018-11-18 10:05:15,128 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 10:05:15,128 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 721 transitions. [2018-11-18 10:05:15,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-11-18 10:05:15,129 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:05:15,129 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:05:15,129 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:05:15,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:05:15,130 INFO L82 PathProgramCache]: Analyzing trace with hash -569176772, now seen corresponding path program 1 times [2018-11-18 10:05:15,130 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:05:15,130 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:15,130 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:05:15,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:15,131 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:05:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:15,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:05:15,210 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:05:15,210 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 10:05:15,210 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:05:15,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 10:05:15,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 10:05:15,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 10:05:15,211 INFO L87 Difference]: Start difference. First operand 616 states and 721 transitions. Second operand 9 states. [2018-11-18 10:05:15,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:05:15,252 INFO L93 Difference]: Finished difference Result 1225 states and 1464 transitions. [2018-11-18 10:05:15,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 10:05:15,252 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 95 [2018-11-18 10:05:15,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:05:15,255 INFO L225 Difference]: With dead ends: 1225 [2018-11-18 10:05:15,255 INFO L226 Difference]: Without dead ends: 633 [2018-11-18 10:05:15,256 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:05:15,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2018-11-18 10:05:15,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 623. [2018-11-18 10:05:15,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2018-11-18 10:05:15,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 728 transitions. [2018-11-18 10:05:15,276 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 728 transitions. Word has length 95 [2018-11-18 10:05:15,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:05:15,277 INFO L480 AbstractCegarLoop]: Abstraction has 623 states and 728 transitions. [2018-11-18 10:05:15,277 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 10:05:15,277 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 728 transitions. [2018-11-18 10:05:15,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-18 10:05:15,279 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:05:15,279 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] [2018-11-18 10:05:15,279 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:05:15,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:05:15,279 INFO L82 PathProgramCache]: Analyzing trace with hash -1156210073, now seen corresponding path program 1 times [2018-11-18 10:05:15,279 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:05:15,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:15,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:05:15,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:15,280 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:05:15,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:15,366 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 10:05:15,366 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:05:15,366 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:05:15,367 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 108 with the following transitions: [2018-11-18 10:05:15,368 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], [117], [119], [125], [128], [142], [143], [144], [146], [149], [154], [155], [157], [162], [164], [165], [166], [167], [207], [211], [218], [219], [220], [222], [227], [229], [232], [234], [239], [253], [259], [262], [264], [267], [277], [280], [284], [285], [288], [289], [290], [291], [292], [293], [294], [295], [296], [304], [305], [308], [310], [311], [318], [319], [320], [321], [326], [330], [331], [334], [335], [342], [343], [344], [346], [347], [348], [349], [350], [351], [352], [354], [355], [356], [358], [359], [360], [361] [2018-11-18 10:05:15,393 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:05:15,393 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:05:15,771 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 10:05:15,772 INFO L272 AbstractInterpreter]: Visited 105 different actions 107 times. Never merged. Never widened. Performed 3172 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3172 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-11-18 10:05:15,785 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:05:15,786 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 10:05:15,786 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:05:15,786 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8dfa26bc-86c5-4b35-b580-255e4e0fb033/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:05:15,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:05:15,803 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 10:05:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:15,889 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:05:15,997 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:05:15,997 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:05:16,322 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 10:05:16,338 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 10:05:16,339 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2018-11-18 10:05:16,339 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:05:16,339 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 10:05:16,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 10:05:16,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-11-18 10:05:16,340 INFO L87 Difference]: Start difference. First operand 623 states and 728 transitions. Second operand 8 states. [2018-11-18 10:05:16,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:05:16,708 INFO L93 Difference]: Finished difference Result 1806 states and 2154 transitions. [2018-11-18 10:05:16,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 10:05:16,708 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2018-11-18 10:05:16,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:05:16,712 INFO L225 Difference]: With dead ends: 1806 [2018-11-18 10:05:16,712 INFO L226 Difference]: Without dead ends: 1207 [2018-11-18 10:05:16,713 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 225 GetRequests, 201 SyntacticMatches, 7 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-11-18 10:05:16,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1207 states. [2018-11-18 10:05:16,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1207 to 1204. [2018-11-18 10:05:16,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1204 states. [2018-11-18 10:05:16,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1204 states and 1410 transitions. [2018-11-18 10:05:16,755 INFO L78 Accepts]: Start accepts. Automaton has 1204 states and 1410 transitions. Word has length 107 [2018-11-18 10:05:16,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:05:16,755 INFO L480 AbstractCegarLoop]: Abstraction has 1204 states and 1410 transitions. [2018-11-18 10:05:16,755 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 10:05:16,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1410 transitions. [2018-11-18 10:05:16,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 10:05:16,757 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:05:16,757 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, 1, 1] [2018-11-18 10:05:16,757 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:05:16,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:05:16,758 INFO L82 PathProgramCache]: Analyzing trace with hash -873551645, now seen corresponding path program 1 times [2018-11-18 10:05:16,758 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:05:16,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:16,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:05:16,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:16,759 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:05:16,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:16,841 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 10:05:16,841 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:05:16,841 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 10:05:16,841 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:05:16,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 10:05:16,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 10:05:16,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:05:16,842 INFO L87 Difference]: Start difference. First operand 1204 states and 1410 transitions. Second operand 10 states. [2018-11-18 10:05:17,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:05:17,051 INFO L93 Difference]: Finished difference Result 2334 states and 2777 transitions. [2018-11-18 10:05:17,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 10:05:17,051 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 111 [2018-11-18 10:05:17,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:05:17,055 INFO L225 Difference]: With dead ends: 2334 [2018-11-18 10:05:17,055 INFO L226 Difference]: Without dead ends: 1154 [2018-11-18 10:05:17,057 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-18 10:05:17,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2018-11-18 10:05:17,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 1138. [2018-11-18 10:05:17,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1138 states. [2018-11-18 10:05:17,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 1138 states and 1318 transitions. [2018-11-18 10:05:17,091 INFO L78 Accepts]: Start accepts. Automaton has 1138 states and 1318 transitions. Word has length 111 [2018-11-18 10:05:17,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:05:17,091 INFO L480 AbstractCegarLoop]: Abstraction has 1138 states and 1318 transitions. [2018-11-18 10:05:17,091 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 10:05:17,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1138 states and 1318 transitions. [2018-11-18 10:05:17,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-18 10:05:17,093 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:05:17,093 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, 1, 1] [2018-11-18 10:05:17,093 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:05:17,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:05:17,093 INFO L82 PathProgramCache]: Analyzing trace with hash -989577015, now seen corresponding path program 1 times [2018-11-18 10:05:17,094 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:05:17,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:17,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:05:17,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:17,094 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:05:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:17,171 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 10:05:17,171 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:05:17,171 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 10:05:17,171 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:05:17,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 10:05:17,172 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 10:05:17,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:05:17,172 INFO L87 Difference]: Start difference. First operand 1138 states and 1318 transitions. Second operand 10 states. [2018-11-18 10:05:17,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:05:17,379 INFO L93 Difference]: Finished difference Result 2258 states and 2618 transitions. [2018-11-18 10:05:17,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 10:05:17,380 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 111 [2018-11-18 10:05:17,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:05:17,383 INFO L225 Difference]: With dead ends: 2258 [2018-11-18 10:05:17,383 INFO L226 Difference]: Without dead ends: 1144 [2018-11-18 10:05:17,385 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-18 10:05:17,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1144 states. [2018-11-18 10:05:17,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1144 to 1108. [2018-11-18 10:05:17,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1108 states. [2018-11-18 10:05:17,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 1108 states and 1251 transitions. [2018-11-18 10:05:17,420 INFO L78 Accepts]: Start accepts. Automaton has 1108 states and 1251 transitions. Word has length 111 [2018-11-18 10:05:17,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:05:17,420 INFO L480 AbstractCegarLoop]: Abstraction has 1108 states and 1251 transitions. [2018-11-18 10:05:17,420 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 10:05:17,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1251 transitions. [2018-11-18 10:05:17,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 10:05:17,424 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:05:17,424 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:05:17,424 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:05:17,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:05:17,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1744641637, now seen corresponding path program 1 times [2018-11-18 10:05:17,425 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:05:17,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:17,425 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:05:17,425 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:17,426 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:05:17,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:17,484 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 10:05:17,484 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:05:17,484 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:05:17,484 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 157 with the following transitions: [2018-11-18 10:05:17,485 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [37], [38], [50], [53], [55], [56], [57], [58], [59], [62], [64], [67], [74], [77], [78], [81], [83], [85], [89], [95], [99], [103], [109], [111], [117], [119], [125], [128], [138], [139], [142], [143], [144], [146], [151], [154], [155], [157], [160], [164], [165], [166], [167], [204], [207], [211], [217], [218], [219], [220], [222], [225], [227], [229], [232], [234], [239], [245], [248], [252], [253], [259], [262], [264], [267], [277], [285], [288], [289], [290], [291], [292], [293], [294], [295], [296], [304], [305], [308], [310], [311], [312], [313], [314], [315], [318], [319], [326], [327], [330], [331], [332], [333], [334], [335], [340], [341], [342], [343], [344], [345], [346], [347], [348], [349], [350], [351], [352], [354], [355], [356], [358], [359], [360], [361] [2018-11-18 10:05:17,488 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:05:17,488 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:05:17,658 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 10:05:17,658 INFO L272 AbstractInterpreter]: Visited 62 different actions 62 times. Never merged. Never widened. Performed 1997 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1997 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-11-18 10:05:17,665 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:05:17,665 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 10:05:17,851 INFO L227 lantSequenceWeakener]: Weakened 74 states. On average, predicates are now at 96.48% of their original sizes. [2018-11-18 10:05:17,851 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 10:05:17,907 INFO L415 sIntCurrentIteration]: We unified 155 AI predicates to 155 [2018-11-18 10:05:17,907 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 10:05:17,908 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:05:17,908 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 10:05:17,908 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:05:17,908 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 10:05:17,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 10:05:17,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:05:17,909 INFO L87 Difference]: Start difference. First operand 1108 states and 1251 transitions. Second operand 10 states. [2018-11-18 10:05:19,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:05:19,350 INFO L93 Difference]: Finished difference Result 2134 states and 2419 transitions. [2018-11-18 10:05:19,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 10:05:19,350 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 156 [2018-11-18 10:05:19,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:05:19,354 INFO L225 Difference]: With dead ends: 2134 [2018-11-18 10:05:19,354 INFO L226 Difference]: Without dead ends: 1246 [2018-11-18 10:05:19,355 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 159 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-11-18 10:05:19,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1246 states. [2018-11-18 10:05:19,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1246 to 1220. [2018-11-18 10:05:19,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1220 states. [2018-11-18 10:05:19,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1220 states to 1220 states and 1371 transitions. [2018-11-18 10:05:19,390 INFO L78 Accepts]: Start accepts. Automaton has 1220 states and 1371 transitions. Word has length 156 [2018-11-18 10:05:19,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:05:19,391 INFO L480 AbstractCegarLoop]: Abstraction has 1220 states and 1371 transitions. [2018-11-18 10:05:19,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 10:05:19,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 1371 transitions. [2018-11-18 10:05:19,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 10:05:19,393 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:05:19,393 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:05:19,393 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:05:19,394 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:05:19,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1813519019, now seen corresponding path program 1 times [2018-11-18 10:05:19,394 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:05:19,394 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:19,394 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:05:19,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:19,395 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:05:19,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:19,446 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 10:05:19,447 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:05:19,447 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:05:19,447 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-11-18 10:05:19,447 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [37], [38], [50], [53], [55], [56], [57], [58], [59], [62], [64], [67], [74], [77], [78], [81], [83], [85], [89], [95], [99], [103], [106], [109], [111], [117], [119], [125], [128], [138], [139], [142], [143], [144], [146], [151], [154], [155], [157], [160], [164], [165], [166], [167], [204], [207], [211], [217], [218], [219], [220], [222], [225], [227], [229], [232], [234], [239], [245], [248], [252], [253], [259], [262], [264], [267], [277], [280], [284], [285], [288], [289], [290], [291], [292], [293], [294], [295], [296], [304], [305], [308], [310], [311], [312], [313], [314], [315], [318], [319], [320], [321], [326], [327], [330], [331], [332], [333], [334], [335], [340], [341], [342], [343], [344], [345], [346], [347], [348], [349], [350], [351], [352], [354], [355], [356], [358], [359], [360], [361] [2018-11-18 10:05:19,450 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:05:19,450 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:05:19,646 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 10:05:19,647 INFO L272 AbstractInterpreter]: Visited 67 different actions 100 times. Merged at 6 different actions 6 times. Never widened. Performed 5224 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5224 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-11-18 10:05:19,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:05:19,657 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 10:05:19,808 INFO L227 lantSequenceWeakener]: Weakened 78 states. On average, predicates are now at 96.47% of their original sizes. [2018-11-18 10:05:19,808 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 10:05:19,880 INFO L415 sIntCurrentIteration]: We unified 159 AI predicates to 159 [2018-11-18 10:05:19,880 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 10:05:19,881 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:05:19,881 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [6] total 18 [2018-11-18 10:05:19,881 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:05:19,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-18 10:05:19,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-18 10:05:19,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2018-11-18 10:05:19,882 INFO L87 Difference]: Start difference. First operand 1220 states and 1371 transitions. Second operand 14 states. [2018-11-18 10:05:21,741 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:05:21,741 INFO L93 Difference]: Finished difference Result 2168 states and 2468 transitions. [2018-11-18 10:05:21,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 10:05:21,741 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 160 [2018-11-18 10:05:21,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:05:21,744 INFO L225 Difference]: With dead ends: 2168 [2018-11-18 10:05:21,744 INFO L226 Difference]: Without dead ends: 1358 [2018-11-18 10:05:21,746 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 164 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=93, Invalid=249, Unknown=0, NotChecked=0, Total=342 [2018-11-18 10:05:21,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1358 states. [2018-11-18 10:05:21,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1358 to 1326. [2018-11-18 10:05:21,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1326 states. [2018-11-18 10:05:21,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1326 states and 1487 transitions. [2018-11-18 10:05:21,865 INFO L78 Accepts]: Start accepts. Automaton has 1326 states and 1487 transitions. Word has length 160 [2018-11-18 10:05:21,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:05:21,865 INFO L480 AbstractCegarLoop]: Abstraction has 1326 states and 1487 transitions. [2018-11-18 10:05:21,865 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-18 10:05:21,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 1487 transitions. [2018-11-18 10:05:21,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 10:05:21,868 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:05:21,868 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] [2018-11-18 10:05:21,868 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:05:21,868 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:05:21,868 INFO L82 PathProgramCache]: Analyzing trace with hash 1999863849, now seen corresponding path program 1 times [2018-11-18 10:05:21,868 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:05:21,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:21,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:05:21,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:21,869 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:05:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:21,914 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 10:05:21,915 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:05:21,915 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:05:21,915 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 169 with the following transitions: [2018-11-18 10:05:21,915 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [37], [38], [50], [53], [55], [56], [57], [58], [59], [62], [64], [67], [74], [77], [78], [81], [83], [85], [89], [95], [99], [103], [106], [109], [111], [114], [119], [125], [128], [138], [139], [142], [143], [144], [146], [151], [154], [155], [157], [160], [164], [165], [166], [167], [170], [172], [174], [204], [207], [211], [217], [218], [219], [220], [222], [225], [227], [229], [232], [234], [239], [245], [248], [252], [253], [259], [262], [264], [267], [277], [280], [284], [285], [288], [289], [290], [291], [292], [293], [294], [295], [296], [304], [305], [308], [310], [311], [312], [313], [314], [315], [318], [319], [320], [321], [322], [323], [326], [327], [330], [331], [332], [333], [334], [335], [340], [341], [342], [343], [344], [345], [346], [347], [348], [349], [350], [351], [352], [354], [355], [356], [358], [359], [360], [361] [2018-11-18 10:05:21,918 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:05:21,918 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:05:22,207 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 10:05:22,207 INFO L272 AbstractInterpreter]: Visited 72 different actions 110 times. Merged at 7 different actions 7 times. Never widened. Performed 5859 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5859 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-11-18 10:05:22,210 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:05:22,210 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 10:05:22,446 INFO L227 lantSequenceWeakener]: Weakened 86 states. On average, predicates are now at 96.48% of their original sizes. [2018-11-18 10:05:22,446 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 10:05:22,545 INFO L415 sIntCurrentIteration]: We unified 167 AI predicates to 167 [2018-11-18 10:05:22,546 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 10:05:22,546 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:05:22,546 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [6] total 20 [2018-11-18 10:05:22,546 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:05:22,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 10:05:22,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 10:05:22,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2018-11-18 10:05:22,547 INFO L87 Difference]: Start difference. First operand 1326 states and 1487 transitions. Second operand 16 states. [2018-11-18 10:05:25,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:05:25,802 INFO L93 Difference]: Finished difference Result 2851 states and 3310 transitions. [2018-11-18 10:05:25,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 10:05:25,802 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 168 [2018-11-18 10:05:25,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:05:25,806 INFO L225 Difference]: With dead ends: 2851 [2018-11-18 10:05:25,806 INFO L226 Difference]: Without dead ends: 1767 [2018-11-18 10:05:25,808 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 174 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=102, Invalid=404, Unknown=0, NotChecked=0, Total=506 [2018-11-18 10:05:25,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1767 states. [2018-11-18 10:05:25,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1767 to 1701. [2018-11-18 10:05:25,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1701 states. [2018-11-18 10:05:25,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1701 states and 1928 transitions. [2018-11-18 10:05:25,860 INFO L78 Accepts]: Start accepts. Automaton has 1701 states and 1928 transitions. Word has length 168 [2018-11-18 10:05:25,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:05:25,860 INFO L480 AbstractCegarLoop]: Abstraction has 1701 states and 1928 transitions. [2018-11-18 10:05:25,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 10:05:25,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1701 states and 1928 transitions. [2018-11-18 10:05:25,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 10:05:25,863 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:05:25,863 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] [2018-11-18 10:05:25,863 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:05:25,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:05:25,864 INFO L82 PathProgramCache]: Analyzing trace with hash 1376582247, now seen corresponding path program 1 times [2018-11-18 10:05:25,864 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:05:25,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:25,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:05:25,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:25,865 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:05:25,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:25,933 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 10:05:25,934 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:05:25,934 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:05:25,934 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 169 with the following transitions: [2018-11-18 10:05:25,934 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [37], [38], [50], [53], [55], [56], [57], [58], [59], [62], [64], [67], [74], [77], [78], [81], [83], [85], [89], [95], [99], [103], [106], [109], [111], [114], [119], [125], [128], [138], [139], [142], [143], [144], [146], [151], [154], [155], [157], [162], [164], [165], [166], [167], [170], [172], [174], [204], [207], [211], [217], [218], [219], [220], [222], [225], [227], [229], [232], [234], [239], [245], [248], [252], [253], [259], [262], [264], [267], [277], [280], [284], [285], [288], [289], [290], [291], [292], [293], [294], [295], [296], [304], [305], [308], [310], [311], [312], [313], [314], [315], [318], [319], [320], [321], [322], [323], [326], [327], [330], [331], [332], [333], [334], [335], [340], [341], [342], [343], [344], [345], [346], [347], [348], [349], [350], [351], [352], [354], [355], [356], [358], [359], [360], [361] [2018-11-18 10:05:25,936 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:05:25,936 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:05:27,062 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 10:05:27,062 INFO L272 AbstractInterpreter]: Visited 134 different actions 804 times. Merged at 23 different actions 71 times. Never widened. Performed 33726 root evaluator evaluations with a maximum evaluation depth of 3. Performed 33726 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 13 fixpoints after 5 different actions. Largest state had 133 variables. [2018-11-18 10:05:27,069 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:05:27,069 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 10:05:27,069 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:05:27,069 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8dfa26bc-86c5-4b35-b580-255e4e0fb033/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:05:27,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:05:27,082 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 10:05:27,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:27,158 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:05:27,255 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 10:05:27,255 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:05:27,486 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 10:05:27,502 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 10:05:27,503 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [8, 9] total 18 [2018-11-18 10:05:27,503 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:05:27,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 10:05:27,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 10:05:27,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=254, Unknown=0, NotChecked=0, Total=306 [2018-11-18 10:05:27,504 INFO L87 Difference]: Start difference. First operand 1701 states and 1928 transitions. Second operand 8 states. [2018-11-18 10:05:28,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:05:28,489 INFO L93 Difference]: Finished difference Result 3772 states and 4536 transitions. [2018-11-18 10:05:28,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 10:05:28,490 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 168 [2018-11-18 10:05:28,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:05:28,500 INFO L225 Difference]: With dead ends: 3772 [2018-11-18 10:05:28,500 INFO L226 Difference]: Without dead ends: 2555 [2018-11-18 10:05:28,504 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 353 GetRequests, 327 SyntacticMatches, 5 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=94, Invalid=412, Unknown=0, NotChecked=0, Total=506 [2018-11-18 10:05:28,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2555 states. [2018-11-18 10:05:28,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2555 to 2344. [2018-11-18 10:05:28,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2344 states. [2018-11-18 10:05:28,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2344 states to 2344 states and 2673 transitions. [2018-11-18 10:05:28,630 INFO L78 Accepts]: Start accepts. Automaton has 2344 states and 2673 transitions. Word has length 168 [2018-11-18 10:05:28,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:05:28,630 INFO L480 AbstractCegarLoop]: Abstraction has 2344 states and 2673 transitions. [2018-11-18 10:05:28,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 10:05:28,630 INFO L276 IsEmpty]: Start isEmpty. Operand 2344 states and 2673 transitions. [2018-11-18 10:05:28,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 10:05:28,635 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:05:28,635 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:05:28,635 INFO L423 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:05:28,635 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:05:28,635 INFO L82 PathProgramCache]: Analyzing trace with hash -122067037, now seen corresponding path program 1 times [2018-11-18 10:05:28,635 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:05:28,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:28,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:05:28,636 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:28,636 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:05:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:28,705 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 10:05:28,706 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:05:28,706 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:05:28,706 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 157 with the following transitions: [2018-11-18 10:05:28,706 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [37], [38], [50], [53], [55], [56], [57], [58], [59], [62], [64], [67], [74], [77], [78], [81], [83], [85], [89], [95], [99], [103], [109], [111], [117], [119], [125], [128], [138], [139], [142], [143], [144], [146], [151], [154], [155], [157], [162], [164], [165], [166], [167], [204], [207], [211], [217], [218], [219], [220], [222], [225], [227], [229], [232], [234], [239], [245], [248], [252], [253], [259], [262], [264], [267], [277], [285], [288], [289], [290], [291], [292], [293], [294], [295], [296], [304], [305], [308], [310], [311], [312], [313], [314], [315], [318], [319], [326], [327], [330], [331], [332], [333], [334], [335], [340], [341], [342], [343], [344], [345], [346], [347], [348], [349], [350], [351], [352], [354], [355], [356], [358], [359], [360], [361] [2018-11-18 10:05:28,708 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:05:28,708 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:05:29,510 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 10:05:29,510 INFO L272 AbstractInterpreter]: Visited 124 different actions 488 times. Merged at 18 different actions 36 times. Never widened. Performed 15337 root evaluator evaluations with a maximum evaluation depth of 3. Performed 15337 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 2 different actions. Largest state had 133 variables. [2018-11-18 10:05:29,511 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:05:29,511 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 10:05:29,512 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:05:29,512 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8dfa26bc-86c5-4b35-b580-255e4e0fb033/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:05:29,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:05:29,517 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 10:05:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:29,598 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:05:29,640 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 10:05:29,640 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:05:29,790 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 10:05:29,814 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 10:05:29,814 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8, 5] total 11 [2018-11-18 10:05:29,814 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:05:29,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 10:05:29,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 10:05:29,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-18 10:05:29,815 INFO L87 Difference]: Start difference. First operand 2344 states and 2673 transitions. Second operand 5 states. [2018-11-18 10:05:29,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:05:29,923 INFO L93 Difference]: Finished difference Result 4374 states and 5079 transitions. [2018-11-18 10:05:29,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 10:05:29,924 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2018-11-18 10:05:29,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:05:29,932 INFO L225 Difference]: With dead ends: 4374 [2018-11-18 10:05:29,932 INFO L226 Difference]: Without dead ends: 2215 [2018-11-18 10:05:29,936 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 309 SyntacticMatches, 3 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2018-11-18 10:05:29,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2215 states. [2018-11-18 10:05:30,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2215 to 2215. [2018-11-18 10:05:30,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2215 states. [2018-11-18 10:05:30,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2215 states to 2215 states and 2527 transitions. [2018-11-18 10:05:30,046 INFO L78 Accepts]: Start accepts. Automaton has 2215 states and 2527 transitions. Word has length 156 [2018-11-18 10:05:30,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:05:30,046 INFO L480 AbstractCegarLoop]: Abstraction has 2215 states and 2527 transitions. [2018-11-18 10:05:30,046 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 10:05:30,046 INFO L276 IsEmpty]: Start isEmpty. Operand 2215 states and 2527 transitions. [2018-11-18 10:05:30,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 10:05:30,049 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:05:30,049 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:05:30,049 INFO L423 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:05:30,049 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:05:30,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1782653192, now seen corresponding path program 1 times [2018-11-18 10:05:30,049 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:05:30,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:30,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:05:30,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:05:30,050 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:05:30,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:30,142 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 21 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-18 10:05:30,142 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:05:30,142 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:05:30,142 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-11-18 10:05:30,143 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [37], [38], [50], [53], [55], [56], [57], [58], [59], [62], [64], [67], [74], [77], [78], [82], [83], [85], [89], [95], [99], [103], [106], [109], [111], [117], [119], [125], [128], [138], [139], [142], [143], [144], [146], [151], [154], [155], [157], [162], [164], [165], [166], [167], [204], [207], [211], [217], [218], [219], [220], [222], [225], [227], [229], [232], [234], [239], [245], [248], [252], [253], [259], [262], [264], [267], [277], [280], [284], [285], [288], [289], [290], [291], [292], [293], [294], [295], [296], [304], [305], [308], [310], [311], [312], [313], [314], [315], [318], [319], [320], [321], [326], [327], [330], [331], [332], [333], [334], [335], [340], [341], [342], [343], [344], [345], [346], [347], [348], [349], [350], [351], [352], [354], [355], [356], [358], [359], [360], [361] [2018-11-18 10:05:30,144 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:05:30,144 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:05:31,048 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 10:05:31,048 INFO L272 AbstractInterpreter]: Visited 129 different actions 710 times. Merged at 20 different actions 57 times. Never widened. Performed 27704 root evaluator evaluations with a maximum evaluation depth of 3. Performed 27704 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 133 variables. [2018-11-18 10:05:31,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:05:31,057 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 10:05:31,057 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:05:31,057 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8dfa26bc-86c5-4b35-b580-255e4e0fb033/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:05:31,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:05:31,070 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 10:05:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:05:31,147 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:05:31,249 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 25 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 10:05:31,249 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:05:31,568 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 10:05:31,584 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 10:05:31,584 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 11] total 20 [2018-11-18 10:05:31,585 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 10:05:31,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 10:05:31,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 10:05:31,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2018-11-18 10:05:31,586 INFO L87 Difference]: Start difference. First operand 2215 states and 2527 transitions. Second operand 15 states. [2018-11-18 10:05:33,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:05:33,336 INFO L93 Difference]: Finished difference Result 5127 states and 6440 transitions. [2018-11-18 10:05:33,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-18 10:05:33,336 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 160 [2018-11-18 10:05:33,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:05:33,337 INFO L225 Difference]: With dead ends: 5127 [2018-11-18 10:05:33,337 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 10:05:33,344 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 310 SyntacticMatches, 12 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 517 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=484, Invalid=1868, Unknown=0, NotChecked=0, Total=2352 [2018-11-18 10:05:33,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 10:05:33,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 10:05:33,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 10:05:33,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 10:05:33,345 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 160 [2018-11-18 10:05:33,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:05:33,345 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 10:05:33,345 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 10:05:33,345 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 10:05:33,345 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:05:33,348 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 10:05:33,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:33,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,444 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,474 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,493 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,502 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:05:34,846 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 27 [2018-11-18 10:05:35,620 WARN L180 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 58 [2018-11-18 10:05:35,749 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 36 [2018-11-18 10:05:36,265 WARN L180 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 43 [2018-11-18 10:05:36,538 WARN L180 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 42 [2018-11-18 10:05:36,725 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 40 [2018-11-18 10:05:36,888 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 29 [2018-11-18 10:05:37,277 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 39 [2018-11-18 10:05:37,472 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 27 [2018-11-18 10:05:37,599 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 27 [2018-11-18 10:05:37,725 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 27 [2018-11-18 10:05:37,834 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 27 [2018-11-18 10:05:38,913 WARN L180 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 64 [2018-11-18 10:05:39,215 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 38 [2018-11-18 10:05:39,558 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 38 [2018-11-18 10:05:39,772 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 38 [2018-11-18 10:05:39,910 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 34 [2018-11-18 10:05:40,015 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 35 [2018-11-18 10:05:40,146 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 27 [2018-11-18 10:05:40,426 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 27 [2018-11-18 10:05:40,534 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 27 [2018-11-18 10:05:40,757 WARN L180 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 36 [2018-11-18 10:05:40,864 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 28 [2018-11-18 10:05:40,945 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 582 588) the Hoare annotation is: true [2018-11-18 10:05:40,945 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 582 588) no Hoare annotation was computed. [2018-11-18 10:05:40,945 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 589 597) no Hoare annotation was computed. [2018-11-18 10:05:40,945 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 589 597) the Hoare annotation is: true [2018-11-18 10:05:40,945 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 589 597) no Hoare annotation was computed. [2018-11-18 10:05:40,945 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 992 1014) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 10:05:40,945 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 992 1014) no Hoare annotation was computed. [2018-11-18 10:05:40,945 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 992 1014) no Hoare annotation was computed. [2018-11-18 10:05:40,945 INFO L421 ceAbstractionStarter]: At program point L1004(line 1004) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= main_~tmp~11 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 10:05:40,945 INFO L421 ceAbstractionStarter]: At program point L1004-1(line 1004) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= main_~tmp~11 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 10:05:40,945 INFO L425 ceAbstractionStarter]: For program point L1002(lines 1002 1009) no Hoare annotation was computed. [2018-11-18 10:05:40,945 INFO L425 ceAbstractionStarter]: For program point L1002-1(lines 1002 1009) no Hoare annotation was computed. [2018-11-18 10:05:40,946 INFO L425 ceAbstractionStarter]: For program point L1000(line 1000) no Hoare annotation was computed. [2018-11-18 10:05:40,946 INFO L421 ceAbstractionStarter]: At program point L999(line 999) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 10:05:40,946 INFO L421 ceAbstractionStarter]: At program point L998(line 998) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 10:05:40,946 INFO L421 ceAbstractionStarter]: At program point L998-1(line 998) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 10:05:40,946 INFO L425 ceAbstractionStarter]: For program point L673(lines 673 681) no Hoare annotation was computed. [2018-11-18 10:05:40,946 INFO L421 ceAbstractionStarter]: At program point L671(line 671) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse6) (or .cse5 .cse2 .cse6 .cse7) (or .cse1 .cse4 .cse2 .cse3 .cse7))) [2018-11-18 10:05:40,946 INFO L425 ceAbstractionStarter]: For program point L671-1(line 671) no Hoare annotation was computed. [2018-11-18 10:05:40,946 INFO L425 ceAbstractionStarter]: For program point L669(lines 669 686) no Hoare annotation was computed. [2018-11-18 10:05:40,946 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 665 689) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse6 (< 2 ~waterLevel~0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse7 .cse4) (or .cse1 .cse4 .cse2 .cse3 .cse7) (or .cse0 .cse5 .cse2 .cse6 .cse4))) [2018-11-18 10:05:40,946 INFO L421 ceAbstractionStarter]: At program point L684(line 684) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse5 (< 2 ~waterLevel~0)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse6 .cse7) (or .cse1 .cse2 .cse3 .cse6) (or .cse0 .cse4 .cse2 .cse5 .cse7))) [2018-11-18 10:05:40,946 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 665 689) no Hoare annotation was computed. [2018-11-18 10:05:40,946 INFO L425 ceAbstractionStarter]: For program point L684-1(lines 665 689) no Hoare annotation was computed. [2018-11-18 10:05:40,946 INFO L421 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse6) (or .cse5 .cse2 .cse6 .cse7) (or .cse1 .cse4 .cse2 .cse3 .cse7))) [2018-11-18 10:05:40,946 INFO L421 ceAbstractionStarter]: At program point L675(line 675) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse6) (or .cse5 .cse2 .cse6 .cse7) (or .cse1 .cse4 .cse2 .cse3 .cse7))) [2018-11-18 10:05:40,946 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 760 768) no Hoare annotation was computed. [2018-11-18 10:05:40,947 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 760 768) the Hoare annotation is: true [2018-11-18 10:05:40,947 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 760 768) no Hoare annotation was computed. [2018-11-18 10:05:40,947 INFO L425 ceAbstractionStarter]: For program point L833(lines 833 837) no Hoare annotation was computed. [2018-11-18 10:05:40,947 INFO L428 ceAbstractionStarter]: At program point L831(line 831) the Hoare annotation is: true [2018-11-18 10:05:40,947 INFO L425 ceAbstractionStarter]: For program point L833-2(lines 833 837) no Hoare annotation was computed. [2018-11-18 10:05:40,947 INFO L425 ceAbstractionStarter]: For program point L831-1(line 831) no Hoare annotation was computed. [2018-11-18 10:05:40,947 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 824 842) the Hoare annotation is: true [2018-11-18 10:05:40,947 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 824 842) no Hoare annotation was computed. [2018-11-18 10:05:40,947 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 824 842) no Hoare annotation was computed. [2018-11-18 10:05:40,947 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 575 581) no Hoare annotation was computed. [2018-11-18 10:05:40,947 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 575 581) the Hoare annotation is: true [2018-11-18 10:05:40,947 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 982 991) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 10:05:40,947 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 982 991) no Hoare annotation was computed. [2018-11-18 10:05:40,947 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 982 991) no Hoare annotation was computed. [2018-11-18 10:05:40,948 INFO L425 ceAbstractionStarter]: For program point L754-1(line 754) no Hoare annotation was computed. [2018-11-18 10:05:40,948 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 749 759) the Hoare annotation is: true [2018-11-18 10:05:40,948 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 749 759) no Hoare annotation was computed. [2018-11-18 10:05:40,948 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 749 759) no Hoare annotation was computed. [2018-11-18 10:05:40,948 INFO L428 ceAbstractionStarter]: At program point L754(line 754) the Hoare annotation is: true [2018-11-18 10:05:40,948 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 741 748) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 10:05:40,948 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 741 748) no Hoare annotation was computed. [2018-11-18 10:05:40,948 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 741 748) no Hoare annotation was computed. [2018-11-18 10:05:40,948 INFO L421 ceAbstractionStarter]: At program point L705(line 705) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse7 (< 2 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse7) (or .cse3 .cse5 .cse0 .cse1 .cse2) (or .cse6 .cse1 .cse7 .cse4))) [2018-11-18 10:05:40,948 INFO L421 ceAbstractionStarter]: At program point L701(line 701) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse7 (< 2 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse7) (or .cse3 .cse5 .cse0 .cse1 .cse2) (or .cse6 .cse1 .cse7 .cse4))) [2018-11-18 10:05:40,948 INFO L425 ceAbstractionStarter]: For program point L699(lines 699 707) no Hoare annotation was computed. [2018-11-18 10:05:40,949 INFO L421 ceAbstractionStarter]: At program point L697(line 697) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse7 (< 2 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse7) (or .cse3 .cse5 .cse0 .cse1 .cse2) (or .cse6 .cse1 .cse7 .cse4))) [2018-11-18 10:05:40,949 INFO L425 ceAbstractionStarter]: For program point L697-1(line 697) no Hoare annotation was computed. [2018-11-18 10:05:40,949 INFO L425 ceAbstractionStarter]: For program point L695(lines 695 712) no Hoare annotation was computed. [2018-11-18 10:05:40,949 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 691 715) no Hoare annotation was computed. [2018-11-18 10:05:40,949 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 691 715) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse4 .cse3) (or .cse3 .cse7 .cse0 .cse1 .cse2) (or .cse7 .cse5 .cse1 .cse6 .cse3))) [2018-11-18 10:05:40,949 INFO L421 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse5 (< 2 ~waterLevel~0)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse6 .cse7) (or .cse1 .cse2 .cse3 .cse6) (or .cse0 .cse4 .cse2 .cse5 .cse7))) [2018-11-18 10:05:40,949 INFO L425 ceAbstractionStarter]: For program point L710-1(lines 691 715) no Hoare annotation was computed. [2018-11-18 10:05:40,949 INFO L425 ceAbstractionStarter]: For program point L541(lines 541 547) no Hoare annotation was computed. [2018-11-18 10:05:40,949 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 537 550) no Hoare annotation was computed. [2018-11-18 10:05:40,949 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 537 550) the Hoare annotation is: true [2018-11-18 10:05:40,949 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 537 550) no Hoare annotation was computed. [2018-11-18 10:05:40,950 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 631 637) no Hoare annotation was computed. [2018-11-18 10:05:40,950 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 631 637) the Hoare annotation is: true [2018-11-18 10:05:40,950 INFO L425 ceAbstractionStarter]: For program point L865(lines 865 869) no Hoare annotation was computed. [2018-11-18 10:05:40,950 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 853 918) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 10:05:40,950 INFO L425 ceAbstractionStarter]: For program point L863-1(lines 863 910) no Hoare annotation was computed. [2018-11-18 10:05:40,950 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 853 918) no Hoare annotation was computed. [2018-11-18 10:05:40,950 INFO L421 ceAbstractionStarter]: At program point L911(lines 862 912) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 10:05:40,950 INFO L425 ceAbstractionStarter]: For program point L901(lines 901 905) no Hoare annotation was computed. [2018-11-18 10:05:40,950 INFO L421 ceAbstractionStarter]: At program point L901-2(lines 893 906) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse6 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse2 .cse1 .cse5 .cse3 .cse4) (and (and .cse0 .cse2 (= ~methaneLevelCritical~0 0) .cse4) .cse6) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (and (= 0 ~methaneLevelCritical~0) .cse2 .cse5 .cse4) .cse6))) [2018-11-18 10:05:40,950 INFO L425 ceAbstractionStarter]: For program point L864(lines 863 910) no Hoare annotation was computed. [2018-11-18 10:05:40,950 INFO L421 ceAbstractionStarter]: At program point L895(line 895) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse5 (= ~pumpRunning~0 1)) (.cse4 (= test_~splverifierCounter~0 0)) (.cse6 (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1)))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse2 .cse1 .cse5 .cse3 .cse4) (and (and .cse0 .cse2 (= ~methaneLevelCritical~0 0) .cse4) .cse6) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (and (= 0 ~methaneLevelCritical~0) .cse2 .cse5 .cse4) .cse6))) [2018-11-18 10:05:40,951 INFO L425 ceAbstractionStarter]: For program point L893(lines 893 906) no Hoare annotation was computed. [2018-11-18 10:05:40,951 INFO L421 ceAbstractionStarter]: At program point L885(line 885) the Hoare annotation is: (let ((.cse3 (= ~methaneLevelCritical~0 1)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 1)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 0))) (.cse4 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~systemActive~0)| 1)) (and .cse5 .cse1 .cse0 .cse3 .cse4) (and .cse6 .cse1 .cse0 .cse2 .cse4) (and (and .cse6 .cse5 .cse0 .cse4) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 10:05:40,951 INFO L425 ceAbstractionStarter]: For program point L883(lines 883 889) no Hoare annotation was computed. [2018-11-18 10:05:40,951 INFO L425 ceAbstractionStarter]: For program point L883-1(lines 883 889) no Hoare annotation was computed. [2018-11-18 10:05:40,951 INFO L421 ceAbstractionStarter]: At program point L908(lines 863 910) the Hoare annotation is: (let ((.cse6 (= 0 ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse0 (not (= ~systemActive~0 0))) (.cse2 (= ~pumpRunning~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse6 .cse0 (<= ~waterLevel~0 1) .cse4) (and .cse6 .cse1 .cse0 .cse3 .cse4) (and .cse5 .cse1 .cse0 .cse2 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 10:05:40,951 INFO L421 ceAbstractionStarter]: At program point L875(line 875) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 0))) (.cse6 (= ~pumpRunning~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (<= ~waterLevel~0 1) (and .cse0 .cse2 .cse4)) (and .cse2 .cse1 .cse6 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse6 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 10:05:40,951 INFO L425 ceAbstractionStarter]: For program point L873(lines 873 879) no Hoare annotation was computed. [2018-11-18 10:05:40,951 INFO L425 ceAbstractionStarter]: For program point L873-1(lines 873 879) no Hoare annotation was computed. [2018-11-18 10:05:40,951 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 853 918) no Hoare annotation was computed. [2018-11-18 10:05:40,951 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 716 723) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1) .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-18 10:05:40,952 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 716 723) no Hoare annotation was computed. [2018-11-18 10:05:40,952 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 716 723) no Hoare annotation was computed. [2018-11-18 10:05:40,952 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 551 559) no Hoare annotation was computed. [2018-11-18 10:05:40,952 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 551 559) the Hoare annotation is: true [2018-11-18 10:05:40,952 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 551 559) no Hoare annotation was computed. [2018-11-18 10:05:40,952 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:05:40,952 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 10:05:40,952 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:05:40,952 INFO L421 ceAbstractionStarter]: At program point L735(line 735) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (or .cse0 .cse1) .cse2 (and (= ~methaneLevelCritical~0 activatePump_~tmp~7) .cse3) (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-18 10:05:40,952 INFO L425 ceAbstractionStarter]: For program point L735-1(lines 724 740) no Hoare annotation was computed. [2018-11-18 10:05:40,952 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 724 740) no Hoare annotation was computed. [2018-11-18 10:05:40,952 INFO L425 ceAbstractionStarter]: For program point L731(lines 731 737) no Hoare annotation was computed. [2018-11-18 10:05:40,952 INFO L421 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (< 2 ~waterLevel~0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (or .cse1 .cse2) .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3 .cse0))) [2018-11-18 10:05:40,953 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 724 740) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (< 2 ~waterLevel~0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (or .cse1 .cse2) .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3 .cse0))) [2018-11-18 10:05:40,953 INFO L425 ceAbstractionStarter]: For program point L729-1(line 729) no Hoare annotation was computed. [2018-11-18 10:05:40,953 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 805 823) no Hoare annotation was computed. [2018-11-18 10:05:40,953 INFO L425 ceAbstractionStarter]: For program point L814(lines 814 818) no Hoare annotation was computed. [2018-11-18 10:05:40,953 INFO L428 ceAbstractionStarter]: At program point L812(line 812) the Hoare annotation is: true [2018-11-18 10:05:40,953 INFO L425 ceAbstractionStarter]: For program point L814-2(lines 814 818) no Hoare annotation was computed. [2018-11-18 10:05:40,953 INFO L425 ceAbstractionStarter]: For program point L812-1(line 812) no Hoare annotation was computed. [2018-11-18 10:05:40,953 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 805 823) the Hoare annotation is: true [2018-11-18 10:05:40,953 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 805 823) no Hoare annotation was computed. [2018-11-18 10:05:40,953 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 528 536) the Hoare annotation is: true [2018-11-18 10:05:40,953 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 528 536) no Hoare annotation was computed. [2018-11-18 10:05:40,953 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 528 536) no Hoare annotation was computed. [2018-11-18 10:05:40,953 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 484 495) the Hoare annotation is: (let ((.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (< 2 ~waterLevel~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse3 .cse4 (or .cse0 .cse2 .cse5)) (or (or .cse1 .cse2 .cse6) .cse3 .cse7) (or .cse3 .cse7 (or .cse2 .cse5 .cse6)))) [2018-11-18 10:05:40,953 INFO L425 ceAbstractionStarter]: For program point L488-1(lines 484 495) no Hoare annotation was computed. [2018-11-18 10:05:40,953 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 484 495) no Hoare annotation was computed. [2018-11-18 10:05:40,953 INFO L428 ceAbstractionStarter]: At program point L931-3(lines 931 945) the Hoare annotation is: true [2018-11-18 10:05:40,954 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 921 950) no Hoare annotation was computed. [2018-11-18 10:05:40,954 INFO L428 ceAbstractionStarter]: At program point L927(line 927) the Hoare annotation is: true [2018-11-18 10:05:40,954 INFO L425 ceAbstractionStarter]: For program point L927-1(line 927) no Hoare annotation was computed. [2018-11-18 10:05:40,954 INFO L428 ceAbstractionStarter]: At program point L946(lines 921 950) the Hoare annotation is: true [2018-11-18 10:05:40,954 INFO L425 ceAbstractionStarter]: For program point L942(line 942) no Hoare annotation was computed. [2018-11-18 10:05:40,954 INFO L425 ceAbstractionStarter]: For program point L932(line 932) no Hoare annotation was computed. [2018-11-18 10:05:40,954 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 921 950) the Hoare annotation is: true [2018-11-18 10:05:40,954 INFO L425 ceAbstractionStarter]: For program point L935(lines 935 939) no Hoare annotation was computed. [2018-11-18 10:05:40,954 INFO L428 ceAbstractionStarter]: At program point L935-1(lines 935 939) the Hoare annotation is: true [2018-11-18 10:05:40,954 INFO L425 ceAbstractionStarter]: For program point L931-1(lines 931 945) no Hoare annotation was computed. [2018-11-18 10:05:40,954 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 607 630) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 2)) (.cse13 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse10 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= ~systemActive~0 0)) (.cse12 (not (= 1 |old(~pumpRunning~0)|)))) (let ((.cse6 (or .cse1 .cse12)) (.cse7 (and .cse13 .cse9 .cse10)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse4 (and .cse8 .cse10 .cse9)) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse11 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse3) (or .cse6 .cse2 (and .cse8 .cse9 .cse10) .cse3) (or .cse2 .cse7 (or .cse11 .cse1 .cse12)) (or .cse11 .cse0 .cse1 .cse2 .cse4) (or .cse5 .cse13 .cse0 .cse1 .cse3) (or .cse13 (or .cse11 (<= 2 |old(~waterLevel~0)|) .cse0 .cse1))))) [2018-11-18 10:05:40,954 INFO L421 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (let ((.cse9 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= ~systemActive~0 0)) (.cse10 (not (= 1 |old(~pumpRunning~0)|))) (.cse14 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse15 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse7 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse8 (and .cse14 .cse15)) (.cse11 (or .cse9 .cse1 .cse10)) (.cse6 (or .cse1 .cse10)) (.cse13 (< |old(~waterLevel~0)| 2)) (.cse12 (and (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse15)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse4 (and (<= ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse15)) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 (< |old(~waterLevel~0)| 1) .cse3) (or .cse5 .cse6 .cse8 .cse3) (or .cse7 (or .cse9 .cse1 .cse10 (not (= |old(~waterLevel~0)| 1)))) (or .cse5 .cse11 .cse8) (or .cse2 .cse12 (or .cse13 .cse11)) (or (or .cse6 .cse13) .cse2 .cse12 .cse3) (or .cse9 .cse0 .cse1 .cse2 .cse4) (or .cse5 .cse14 .cse0 .cse1 .cse3) (or .cse14 (or .cse9 (<= 2 |old(~waterLevel~0)|) .cse0 .cse1))))) [2018-11-18 10:05:40,954 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 607 630) no Hoare annotation was computed. [2018-11-18 10:05:40,955 INFO L421 ceAbstractionStarter]: At program point L618(lines 618 624) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse24 (< ~waterLevel~0 2)) (.cse2 (= ~systemActive~0 0)) (.cse21 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse23 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse22 (= ~pumpRunning~0 1)) (.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse20 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse19 (and .cse23 .cse22 .cse6)) (.cse18 (< 1 |old(~waterLevel~0)|)) (.cse17 (and .cse23 .cse6 .cse7)) (.cse14 (or .cse2 .cse21)) (.cse8 (<= 1 ~waterLevel~0)) (.cse11 (not (= ~systemActive~0 1))) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse15 (and .cse23 (= 0 ~pumpRunning~0) .cse24)) (.cse10 (or .cse0 .cse2 .cse21)) (.cse16 (and .cse23 .cse24 .cse7)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< 2 |old(~waterLevel~0)|)) (.cse9 (< |old(~waterLevel~0)| 2)) (.cse13 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and .cse5 .cse22 .cse6))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (and .cse5 .cse6 .cse7)) (or .cse3 .cse8 (or .cse9 .cse10)) (or .cse1 .cse11 .cse12 .cse13 .cse7) (or .cse14 .cse3 .cse15 .cse16 .cse13) (or .cse17 .cse18 .cse19 .cse1 .cse2 .cse13) (or .cse20 (or .cse0 .cse2 .cse21 .cse12)) (or .cse18 .cse14 (< |old(~waterLevel~0)| 1) .cse20 .cse13) (or .cse19 .cse0 .cse18 .cse1 .cse2 .cse17) (or (or .cse14 .cse9) .cse3 .cse8 .cse13) (or .cse0 .cse1 .cse11 .cse12 .cse7) (or .cse15 .cse3 .cse10 .cse16) (or .cse1 .cse2 .cse3 .cse9 .cse13 .cse4)))) [2018-11-18 10:05:40,955 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 607 630) no Hoare annotation was computed. [2018-11-18 10:05:40,955 INFO L421 ceAbstractionStarter]: At program point L613(line 613) the Hoare annotation is: (let ((.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= ~systemActive~0 0)) (.cse10 (not (= 1 |old(~pumpRunning~0)|)))) (let ((.cse1 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse6 (or .cse7 .cse5 .cse10)) (.cse8 (< 1 |old(~waterLevel~0)|)) (.cse0 (or .cse5 .cse10)) (.cse9 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse3) (or .cse1 .cse2 .cse6) (or .cse7 .cse4 .cse5 .cse2) (or .cse8 .cse9 .cse6) (or .cse8 .cse0 .cse9 .cse3)))) [2018-11-18 10:05:40,955 INFO L425 ceAbstractionStarter]: For program point L611(lines 610 629) no Hoare annotation was computed. [2018-11-18 10:05:40,955 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 496 504) the Hoare annotation is: true [2018-11-18 10:05:40,955 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 496 504) no Hoare annotation was computed. [2018-11-18 10:05:40,955 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 496 504) no Hoare annotation was computed. [2018-11-18 10:05:40,955 INFO L421 ceAbstractionStarter]: At program point L65(line 65) the Hoare annotation is: (let ((.cse3 (not (= 1 ~pumpRunning~0))) (.cse2 (= __utac_acc__Specification3_spec__1_~tmp~0 ~methaneLevelCritical~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0)) (.cse1 (< 2 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse1 .cse3) (or (< 1 ~waterLevel~0) .cse6 .cse2 .cse0 .cse4) (or .cse5 .cse6 .cse0 .cse1))) [2018-11-18 10:05:40,955 INFO L425 ceAbstractionStarter]: For program point L65-1(line 65) no Hoare annotation was computed. [2018-11-18 10:05:40,955 INFO L425 ceAbstractionStarter]: For program point L61(lines 61 81) no Hoare annotation was computed. [2018-11-18 10:05:40,955 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 52 84) no Hoare annotation was computed. [2018-11-18 10:05:40,955 INFO L428 ceAbstractionStarter]: At program point L59(line 59) the Hoare annotation is: true [2018-11-18 10:05:40,955 INFO L425 ceAbstractionStarter]: For program point L59-1(line 59) no Hoare annotation was computed. [2018-11-18 10:05:40,955 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 52 84) the Hoare annotation is: true [2018-11-18 10:05:40,955 INFO L421 ceAbstractionStarter]: At program point L75(line 75) the Hoare annotation is: (let ((.cse3 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< 2 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse4) (or (< 1 ~waterLevel~0) .cse5 .cse1 .cse4) (or .cse0 .cse5 .cse1 .cse2))) [2018-11-18 10:05:40,955 INFO L425 ceAbstractionStarter]: For program point L71(lines 71 77) no Hoare annotation was computed. [2018-11-18 10:05:40,955 INFO L421 ceAbstractionStarter]: At program point L69(line 69) the Hoare annotation is: (let ((.cse2 (not (= 1 ~pumpRunning~0))) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0)) (.cse4 (< 2 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 (= __utac_acc__Specification3_spec__1_~tmp~0 ~methaneLevelCritical~0) .cse2 .cse3) (or .cse5 .cse1 .cse4 .cse2) (or .cse0 .cse6 .cse1 .cse3) (or .cse5 .cse6 .cse1 .cse4))) [2018-11-18 10:05:40,955 INFO L425 ceAbstractionStarter]: For program point L69-1(line 69) no Hoare annotation was computed. [2018-11-18 10:05:40,955 INFO L425 ceAbstractionStarter]: For program point L67(lines 67 80) no Hoare annotation was computed. [2018-11-18 10:05:40,956 INFO L425 ceAbstractionStarter]: For program point L67-1(lines 52 84) no Hoare annotation was computed. [2018-11-18 10:05:40,956 INFO L425 ceAbstractionStarter]: For program point L464-1(lines 460 471) no Hoare annotation was computed. [2018-11-18 10:05:40,956 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 460 471) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse0 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 10:05:40,956 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 460 471) no Hoare annotation was computed. [2018-11-18 10:05:40,956 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 975 981) no Hoare annotation was computed. [2018-11-18 10:05:40,956 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 975 981) the Hoare annotation is: true [2018-11-18 10:05:40,956 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:05:40,956 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1) (< ~waterLevel~0 2)) [2018-11-18 10:05:40,956 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:05:40,956 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:05:40,956 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 843 850) no Hoare annotation was computed. [2018-11-18 10:05:40,956 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 843 850) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse4 (= ~systemActive~0 1)) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse5 (not (= ~waterLevel~0 2))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= 1 ~pumpRunning~0))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse7 (= |old(~systemActive~0)| 0)) (.cse9 (< 2 ~waterLevel~0)) (.cse10 (not (= ~systemActive~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and (or .cse1 .cse5) (or .cse1 .cse2)) .cse6 .cse4 .cse0) (or (or .cse7 .cse8) .cse9 .cse10 .cse3) (or .cse0 .cse7 .cse9 .cse3 .cse10) (or .cse4 (or (or .cse0 .cse1 .cse5) .cse3)) (or .cse9 .cse10 (or .cse6 .cse7 .cse8)) (or .cse6 .cse0 .cse7 .cse9 .cse10))) [2018-11-18 10:05:40,956 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 843 850) no Hoare annotation was computed. [2018-11-18 10:05:40,956 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 639 663) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse4 .cse3) (or .cse3 .cse7 .cse0 .cse1 .cse2) (or .cse7 .cse5 .cse1 .cse6 .cse3))) [2018-11-18 10:05:40,956 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 639 663) no Hoare annotation was computed. [2018-11-18 10:05:40,956 INFO L421 ceAbstractionStarter]: At program point L658(line 658) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse7 (< 2 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse7) (or .cse3 .cse5 .cse0 .cse1 .cse2) (or .cse6 .cse1 .cse7 .cse4))) [2018-11-18 10:05:40,956 INFO L425 ceAbstractionStarter]: For program point L658-1(lines 639 663) no Hoare annotation was computed. [2018-11-18 10:05:40,957 INFO L421 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: (let ((.cse5 (= processEnvironment__wrappee__highWaterSensor_~tmp~4 0)) (.cse6 (not (= ~systemActive~0 1))) (.cse7 (not (= ~waterLevel~0 1))) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse11 (not (= ~methaneLevelCritical~0 0))) (.cse10 (< 2 ~waterLevel~0)) (.cse8 (< ~waterLevel~0 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (< 1 ~waterLevel~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse6 .cse7) (or (and .cse8 .cse9) .cse4 .cse2 .cse10 .cse11) (or .cse4 .cse5 .cse6 .cse7 .cse11) (or .cse1 .cse2 .cse3 .cse11) (or .cse0 .cse4 .cse2 .cse10 .cse8) (or .cse0 .cse1 .cse4 .cse2 .cse9))) [2018-11-18 10:05:40,957 INFO L421 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: (let ((.cse11 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (< 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (= ~systemActive~0 1))) (.cse10 (not (= ~waterLevel~0 1))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse8 (and (= processEnvironment__wrappee__highWaterSensor_~tmp~4 1) .cse11)) (.cse6 (< 2 ~waterLevel~0)) (.cse4 (and (< ~waterLevel~0 2) .cse11))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse6 .cse7 .cse8) (or .cse1 .cse2 .cse3 .cse7) (or .cse5 .cse9 .cse10 .cse7) (or .cse0 .cse5 .cse9 .cse10) (or .cse0 .cse5 .cse2 .cse8 .cse6 .cse4)))) [2018-11-18 10:05:40,957 INFO L425 ceAbstractionStarter]: For program point L647(lines 647 655) no Hoare annotation was computed. [2018-11-18 10:05:40,957 INFO L421 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse5 (< 2 ~waterLevel~0)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse6 .cse7) (or .cse1 .cse2 .cse3 .cse6) (or .cse0 .cse4 .cse2 .cse5 .cse7))) [2018-11-18 10:05:40,957 INFO L425 ceAbstractionStarter]: For program point L645-1(line 645) no Hoare annotation was computed. [2018-11-18 10:05:40,957 INFO L425 ceAbstractionStarter]: For program point L643(lines 643 660) no Hoare annotation was computed. [2018-11-18 10:05:40,957 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 472 483) no Hoare annotation was computed. [2018-11-18 10:05:40,957 INFO L425 ceAbstractionStarter]: For program point L476-1(lines 472 483) no Hoare annotation was computed. [2018-11-18 10:05:40,957 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 472 483) the Hoare annotation is: (let ((.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~systemActive~0 0)) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse9 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse7 (<= 2 |old(~waterLevel~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= 0 ~pumpRunning~0))) (.cse10 (< 1 |old(~waterLevel~0)|)) (.cse5 (and .cse9 .cse12)) (.cse2 (and (<= ~waterLevel~0 2) .cse12)) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse11 (or .cse6 .cse0 .cse3))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (or .cse6 .cse7 .cse8 .cse0)) (or (or .cse7 .cse0 .cse3) .cse9 .cse4) (or .cse10 .cse5 .cse8 .cse0 .cse4) (or .cse6 .cse8 .cse0 .cse1 .cse2) (or .cse10 .cse11 .cse5) (or .cse2 .cse1 .cse11)))) [2018-11-18 10:05:40,957 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-18 10:05:40,957 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-18 10:05:40,957 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-18 10:05:40,957 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-18 10:05:40,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:05:40 BoogieIcfgContainer [2018-11-18 10:05:40,968 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 10:05:40,968 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:05:40,968 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:05:40,968 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:05:40,968 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:05:13" (3/4) ... [2018-11-18 10:05:40,971 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:05:40,976 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 10:05:40,977 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 10:05:40,977 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 10:05:40,977 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 10:05:40,977 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 10:05:40,977 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 10:05:40,977 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 10:05:40,977 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 10:05:40,977 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 10:05:40,977 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 10:05:40,977 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 10:05:40,977 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 10:05:40,977 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 10:05:40,977 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 10:05:40,977 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-18 10:05:40,978 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 10:05:40,978 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 10:05:40,978 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 10:05:40,978 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 10:05:40,978 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 10:05:40,978 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 10:05:40,978 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 10:05:40,978 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 10:05:40,978 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 10:05:40,978 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-18 10:05:40,978 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 10:05:40,978 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 10:05:40,979 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 10:05:40,979 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 10:05:40,979 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 10:05:40,979 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 10:05:40,987 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2018-11-18 10:05:40,988 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 10:05:40,988 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 10:05:41,005 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(systemActive == 0) && waterLevel <= 2) && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && !(systemActive == 0)) && waterLevel <= 1) && splverifierCounter == 0)) || ((((0 == pumpRunning && waterLevel <= 2) && !(systemActive == 0)) && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && waterLevel <= 2) && !(systemActive == 0)) && pumpRunning == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 10:05:41,005 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 10:05:41,050 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8dfa26bc-86c5-4b35-b580-255e4e0fb033/bin-2019/utaipan/witness.graphml [2018-11-18 10:05:41,050 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:05:41,051 INFO L168 Benchmark]: Toolchain (without parser) took 28949.98 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.7 GB). Free memory was 951.1 MB in the beginning and 1.7 GB in the end (delta: -734.1 MB). Peak memory consumption was 975.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:05:41,051 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:05:41,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -200.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-18 10:05:41,052 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.11 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. [2018-11-18 10:05:41,052 INFO L168 Benchmark]: Boogie Preprocessor took 28.55 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 10:05:41,052 INFO L168 Benchmark]: RCFGBuilder took 593.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 69.8 MB). Peak memory consumption was 69.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:05:41,052 INFO L168 Benchmark]: TraceAbstraction took 27858.13 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -606.9 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. [2018-11-18 10:05:41,053 INFO L168 Benchmark]: Witness Printer took 82.47 ms. Allocated memory is still 2.7 GB. Free memory is still 1.7 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:05:41,054 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 363.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 164.1 MB). Free memory was 951.1 MB in the beginning and 1.2 GB in the end (delta: -200.3 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.11 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. * Boogie Preprocessor took 28.55 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 593.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 69.8 MB). Peak memory consumption was 69.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 27858.13 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.5 GB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -606.9 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. * Witness Printer took 82.47 ms. Allocated memory is still 2.7 GB. Free memory is still 1.7 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 862]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: ((((((((((!(systemActive == 0) && waterLevel <= 2) && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && !(systemActive == 0)) && waterLevel <= 1) && splverifierCounter == 0)) || ((((0 == pumpRunning && waterLevel <= 2) && !(systemActive == 0)) && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && waterLevel <= 2) && !(systemActive == 0)) && pumpRunning == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 175 locations, 1 error locations. SAFE Result, 27.8s OverallTime, 17 OverallIterations, 4 TraceHistogramMax, 11.2s AutomataDifference, 0.0s DeadEndRemovalTime, 7.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 3838 SDtfs, 3903 SDslu, 13092 SDs, 0 SdLazy, 6989 SolverSat, 1834 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1862 GetRequests, 1634 SyntacticMatches, 29 SemanticMatches, 199 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 801 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2344occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.9s AbstIntTime, 7 AbstIntIterations, 3 AbstIntStrong, 0.9981093312810531 AbsIntWeakeningRatio, 0.8482328482328483 AbsIntAvgWeakeningVarsNumRemoved, 34.54677754677755 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 17 MinimizatonAttempts, 448 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 7030 PreInvPairs, 7745 NumberOfFragments, 3753 HoareAnnotationTreeSize, 7030 FomulaSimplifications, 40442 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 72 FomulaSimplificationsInter, 63599 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 2506 NumberOfCodeBlocks, 2506 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 3072 ConstructedInterpolants, 0 QuantifiedInterpolants, 638382 SizeOfPredicates, 19 NumberOfNonLiveVariables, 3116 ConjunctsInSsa, 69 ConjunctsInUnsatCore, 25 InterpolantComputations, 13 PerfectInterpolantSequences, 547/583 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...