./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product33_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0fe28ed2-3760-4291-9a34-8bb45f95e69c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0fe28ed2-3760-4291-9a34-8bb45f95e69c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0fe28ed2-3760-4291-9a34-8bb45f95e69c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0fe28ed2-3760-4291-9a34-8bb45f95e69c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product33_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0fe28ed2-3760-4291-9a34-8bb45f95e69c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0fe28ed2-3760-4291-9a34-8bb45f95e69c/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 819c3ebf0e51053d89fb24b2dea5d171f2fed0d0 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 04:58:56,522 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:58:56,523 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:58:56,531 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:58:56,532 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:58:56,532 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:58:56,533 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:58:56,534 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:58:56,535 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:58:56,536 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:58:56,537 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:58:56,537 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:58:56,537 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:58:56,538 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:58:56,539 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:58:56,539 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:58:56,540 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:58:56,542 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:58:56,543 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:58:56,544 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:58:56,545 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:58:56,546 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:58:56,548 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:58:56,548 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:58:56,548 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:58:56,549 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:58:56,549 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:58:56,550 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:58:56,550 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:58:56,551 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:58:56,551 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:58:56,552 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:58:56,553 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:58:56,553 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:58:56,553 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:58:56,554 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:58:56,554 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0fe28ed2-3760-4291-9a34-8bb45f95e69c/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 04:58:56,564 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:58:56,564 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:58:56,565 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 04:58:56,565 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 04:58:56,565 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 04:58:56,565 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 04:58:56,566 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 04:58:56,566 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 04:58:56,566 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 04:58:56,566 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 04:58:56,566 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 04:58:56,566 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 04:58:56,566 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 04:58:56,567 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:58:56,567 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 04:58:56,567 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 04:58:56,567 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 04:58:56,567 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:58:56,567 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 04:58:56,567 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 04:58:56,568 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 04:58:56,568 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 04:58:56,568 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:58:56,568 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:58:56,568 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 04:58:56,568 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:58:56,568 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 04:58:56,569 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 04:58:56,569 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 04:58:56,569 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 04:58:56,569 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:58:56,569 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 04:58:56,569 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 04:58:56,569 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 04:58:56,569 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 04:58:56,570 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 04:58:56,570 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 04:58:56,570 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_0fe28ed2-3760-4291-9a34-8bb45f95e69c/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 -> 819c3ebf0e51053d89fb24b2dea5d171f2fed0d0 [2018-11-23 04:58:56,592 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:58:56,602 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:58:56,604 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:58:56,605 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:58:56,606 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:58:56,606 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0fe28ed2-3760-4291-9a34-8bb45f95e69c/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product33_true-unreach-call_false-termination.cil.c [2018-11-23 04:58:56,652 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0fe28ed2-3760-4291-9a34-8bb45f95e69c/bin-2019/utaipan/data/24840dcf1/7a99a1b4dde8476aaa9596c2bee833ee/FLAGeba0cce0b [2018-11-23 04:58:57,079 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:58:57,079 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0fe28ed2-3760-4291-9a34-8bb45f95e69c/sv-benchmarks/c/product-lines/minepump_spec5_product33_true-unreach-call_false-termination.cil.c [2018-11-23 04:58:57,086 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0fe28ed2-3760-4291-9a34-8bb45f95e69c/bin-2019/utaipan/data/24840dcf1/7a99a1b4dde8476aaa9596c2bee833ee/FLAGeba0cce0b [2018-11-23 04:58:57,095 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0fe28ed2-3760-4291-9a34-8bb45f95e69c/bin-2019/utaipan/data/24840dcf1/7a99a1b4dde8476aaa9596c2bee833ee [2018-11-23 04:58:57,096 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:58:57,097 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:58:57,098 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:58:57,098 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:58:57,100 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:58:57,101 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:58:57" (1/1) ... [2018-11-23 04:58:57,103 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44db1cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:57, skipping insertion in model container [2018-11-23 04:58:57,103 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:58:57" (1/1) ... [2018-11-23 04:58:57,111 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:58:57,142 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:58:57,321 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:58:57,330 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:58:57,423 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:58:57,438 INFO L195 MainTranslator]: Completed translation [2018-11-23 04:58:57,438 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:57 WrapperNode [2018-11-23 04:58:57,438 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:58:57,439 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 04:58:57,439 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 04:58:57,439 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 04:58:57,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:57" (1/1) ... [2018-11-23 04:58:57,454 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:57" (1/1) ... [2018-11-23 04:58:57,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 04:58:57,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 04:58:57,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 04:58:57,461 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 04:58:57,467 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:57" (1/1) ... [2018-11-23 04:58:57,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:57" (1/1) ... [2018-11-23 04:58:57,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:57" (1/1) ... [2018-11-23 04:58:57,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:57" (1/1) ... [2018-11-23 04:58:57,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:57" (1/1) ... [2018-11-23 04:58:57,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:57" (1/1) ... [2018-11-23 04:58:57,483 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:57" (1/1) ... [2018-11-23 04:58:57,484 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 04:58:57,485 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 04:58:57,485 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 04:58:57,485 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 04:58:57,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0fe28ed2-3760-4291-9a34-8bb45f95e69c/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 [2018-11-23 04:58:57,524 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 04:58:57,524 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 04:58:57,525 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 04:58:57,525 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 04:58:57,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 04:58:57,525 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 04:58:57,525 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 04:58:57,525 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 04:58:57,525 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 04:58:57,525 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 04:58:57,525 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 04:58:57,526 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 04:58:57,526 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 04:58:57,526 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 04:58:57,526 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 04:58:57,526 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 04:58:57,526 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 04:58:57,526 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 04:58:57,526 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 04:58:57,526 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 04:58:57,527 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 04:58:57,527 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 04:58:57,527 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 04:58:57,527 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 04:58:57,527 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 04:58:57,527 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 04:58:57,527 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 04:58:57,527 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 04:58:57,527 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 04:58:57,527 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 04:58:57,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 04:58:57,528 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 04:58:57,528 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 04:58:57,528 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-23 04:58:57,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-23 04:58:57,528 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-23 04:58:57,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-23 04:58:57,528 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-23 04:58:57,528 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-23 04:58:57,529 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 04:58:57,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 04:58:57,529 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 04:58:57,529 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 04:58:57,529 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 04:58:57,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 04:58:57,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 04:58:57,529 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 04:58:57,529 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 04:58:57,529 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 04:58:57,530 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 04:58:57,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 04:58:57,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 04:58:57,994 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 04:58:57,995 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 04:58:57,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:58:57 BoogieIcfgContainer [2018-11-23 04:58:57,995 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 04:58:57,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 04:58:57,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 04:58:57,999 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 04:58:58,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:58:57" (1/3) ... [2018-11-23 04:58:58,000 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad22c17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:58:58, skipping insertion in model container [2018-11-23 04:58:58,000 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:58:57" (2/3) ... [2018-11-23 04:58:58,001 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ad22c17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:58:58, skipping insertion in model container [2018-11-23 04:58:58,001 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:58:57" (3/3) ... [2018-11-23 04:58:58,003 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product33_true-unreach-call_false-termination.cil.c [2018-11-23 04:58:58,012 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 04:58:58,019 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 04:58:58,034 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 04:58:58,065 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 04:58:58,065 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 04:58:58,065 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 04:58:58,065 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 04:58:58,065 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 04:58:58,065 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 04:58:58,066 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 04:58:58,066 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 04:58:58,085 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2018-11-23 04:58:58,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 04:58:58,092 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:58:58,093 INFO L402 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] [2018-11-23 04:58:58,095 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:58:58,100 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:58:58,100 INFO L82 PathProgramCache]: Analyzing trace with hash -1518328408, now seen corresponding path program 1 times [2018-11-23 04:58:58,103 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:58:58,141 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:58:58,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:58:58,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:58:58,142 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:58:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:58:58,303 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 04:58:58,305 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:58:58,305 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 04:58:58,306 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:58:58,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 04:58:58,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 04:58:58,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 04:58:58,326 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 2 states. [2018-11-23 04:58:58,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:58:58,353 INFO L93 Difference]: Finished difference Result 226 states and 283 transitions. [2018-11-23 04:58:58,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 04:58:58,354 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-23 04:58:58,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:58:58,362 INFO L225 Difference]: With dead ends: 226 [2018-11-23 04:58:58,362 INFO L226 Difference]: Without dead ends: 115 [2018-11-23 04:58:58,365 INFO L631 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 [2018-11-23 04:58:58,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-11-23 04:58:58,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-11-23 04:58:58,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-11-23 04:58:58,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2018-11-23 04:58:58,407 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 59 [2018-11-23 04:58:58,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:58:58,407 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2018-11-23 04:58:58,407 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 04:58:58,408 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2018-11-23 04:58:58,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 04:58:58,410 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:58:58,410 INFO L402 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] [2018-11-23 04:58:58,410 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:58:58,410 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:58:58,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1236970054, now seen corresponding path program 1 times [2018-11-23 04:58:58,410 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:58:58,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:58:58,411 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:58:58,411 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:58:58,411 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:58:58,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:58:58,611 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 04:58:58,611 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:58:58,612 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 04:58:58,612 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:58:58,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 04:58:58,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 04:58:58,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 04:58:58,614 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 7 states. [2018-11-23 04:58:58,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:58:58,855 INFO L93 Difference]: Finished difference Result 202 states and 245 transitions. [2018-11-23 04:58:58,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 04:58:58,855 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-11-23 04:58:58,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:58:58,857 INFO L225 Difference]: With dead ends: 202 [2018-11-23 04:58:58,857 INFO L226 Difference]: Without dead ends: 115 [2018-11-23 04:58:58,858 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 04:58:58,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-11-23 04:58:58,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-11-23 04:58:58,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-11-23 04:58:58,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2018-11-23 04:58:58,870 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 64 [2018-11-23 04:58:58,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:58:58,872 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2018-11-23 04:58:58,872 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 04:58:58,872 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2018-11-23 04:58:58,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-23 04:58:58,874 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:58:58,874 INFO L402 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] [2018-11-23 04:58:58,875 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:58:58,875 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:58:58,875 INFO L82 PathProgramCache]: Analyzing trace with hash 719148997, now seen corresponding path program 1 times [2018-11-23 04:58:58,875 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:58:58,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:58:58,876 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:58:58,876 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:58:58,876 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:58:58,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:58:58,981 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 04:58:58,982 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:58:58,982 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 04:58:58,982 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:58:58,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 04:58:58,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 04:58:58,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 04:58:58,983 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 5 states. [2018-11-23 04:58:59,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:58:59,441 INFO L93 Difference]: Finished difference Result 319 states and 405 transitions. [2018-11-23 04:58:59,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 04:58:59,442 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2018-11-23 04:58:59,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:58:59,443 INFO L225 Difference]: With dead ends: 319 [2018-11-23 04:58:59,443 INFO L226 Difference]: Without dead ends: 232 [2018-11-23 04:58:59,444 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-23 04:58:59,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2018-11-23 04:58:59,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 208. [2018-11-23 04:58:59,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-11-23 04:58:59,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 251 transitions. [2018-11-23 04:58:59,464 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 251 transitions. Word has length 72 [2018-11-23 04:58:59,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:58:59,464 INFO L480 AbstractCegarLoop]: Abstraction has 208 states and 251 transitions. [2018-11-23 04:58:59,464 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 04:58:59,464 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 251 transitions. [2018-11-23 04:58:59,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-23 04:58:59,467 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:58:59,467 INFO L402 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] [2018-11-23 04:58:59,467 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:58:59,467 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:58:59,468 INFO L82 PathProgramCache]: Analyzing trace with hash 1579275676, now seen corresponding path program 1 times [2018-11-23 04:58:59,468 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:58:59,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:58:59,469 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:58:59,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:58:59,469 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:58:59,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:58:59,547 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 04:58:59,547 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:58:59,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 04:58:59,548 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:58:59,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 04:58:59,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 04:58:59,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 04:58:59,549 INFO L87 Difference]: Start difference. First operand 208 states and 251 transitions. Second operand 8 states. [2018-11-23 04:58:59,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:58:59,622 INFO L93 Difference]: Finished difference Result 395 states and 497 transitions. [2018-11-23 04:58:59,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 04:58:59,624 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 86 [2018-11-23 04:58:59,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:58:59,626 INFO L225 Difference]: With dead ends: 395 [2018-11-23 04:58:59,627 INFO L226 Difference]: Without dead ends: 215 [2018-11-23 04:58:59,628 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 04:58:59,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-11-23 04:58:59,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 212. [2018-11-23 04:58:59,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 212 states. [2018-11-23 04:58:59,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 212 states and 255 transitions. [2018-11-23 04:58:59,646 INFO L78 Accepts]: Start accepts. Automaton has 212 states and 255 transitions. Word has length 86 [2018-11-23 04:58:59,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:58:59,647 INFO L480 AbstractCegarLoop]: Abstraction has 212 states and 255 transitions. [2018-11-23 04:58:59,647 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 04:58:59,647 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 255 transitions. [2018-11-23 04:58:59,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-23 04:58:59,648 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:58:59,648 INFO L402 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] [2018-11-23 04:58:59,649 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:58:59,649 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:58:59,649 INFO L82 PathProgramCache]: Analyzing trace with hash 2088748766, now seen corresponding path program 1 times [2018-11-23 04:58:59,649 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:58:59,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:58:59,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:58:59,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:58:59,650 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:58:59,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:58:59,737 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 04:58:59,737 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:58:59,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 04:58:59,737 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:58:59,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 04:58:59,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 04:58:59,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 04:58:59,738 INFO L87 Difference]: Start difference. First operand 212 states and 255 transitions. Second operand 7 states. [2018-11-23 04:59:00,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:59:00,180 INFO L93 Difference]: Finished difference Result 419 states and 524 transitions. [2018-11-23 04:59:00,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 04:59:00,180 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 86 [2018-11-23 04:59:00,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:59:00,182 INFO L225 Difference]: With dead ends: 419 [2018-11-23 04:59:00,182 INFO L226 Difference]: Without dead ends: 235 [2018-11-23 04:59:00,183 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 04:59:00,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-11-23 04:59:00,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 211. [2018-11-23 04:59:00,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-11-23 04:59:00,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 252 transitions. [2018-11-23 04:59:00,198 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 252 transitions. Word has length 86 [2018-11-23 04:59:00,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:59:00,199 INFO L480 AbstractCegarLoop]: Abstraction has 211 states and 252 transitions. [2018-11-23 04:59:00,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 04:59:00,199 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 252 transitions. [2018-11-23 04:59:00,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-23 04:59:00,200 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:59:00,200 INFO L402 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] [2018-11-23 04:59:00,201 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:59:00,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:59:00,201 INFO L82 PathProgramCache]: Analyzing trace with hash 744952122, now seen corresponding path program 1 times [2018-11-23 04:59:00,201 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:59:00,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:59:00,202 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:59:00,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:59:00,202 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:59:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:59:00,246 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 04:59:00,246 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:59:00,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 04:59:00,246 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:59:00,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 04:59:00,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 04:59:00,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 04:59:00,247 INFO L87 Difference]: Start difference. First operand 211 states and 252 transitions. Second operand 3 states. [2018-11-23 04:59:00,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:59:00,254 INFO L93 Difference]: Finished difference Result 328 states and 379 transitions. [2018-11-23 04:59:00,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 04:59:00,255 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 83 [2018-11-23 04:59:00,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:59:00,256 INFO L225 Difference]: With dead ends: 328 [2018-11-23 04:59:00,256 INFO L226 Difference]: Without dead ends: 181 [2018-11-23 04:59:00,257 INFO L631 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 [2018-11-23 04:59:00,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-11-23 04:59:00,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2018-11-23 04:59:00,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-11-23 04:59:00,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 208 transitions. [2018-11-23 04:59:00,266 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 208 transitions. Word has length 83 [2018-11-23 04:59:00,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:59:00,266 INFO L480 AbstractCegarLoop]: Abstraction has 181 states and 208 transitions. [2018-11-23 04:59:00,266 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 04:59:00,266 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 208 transitions. [2018-11-23 04:59:00,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-23 04:59:00,267 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:59:00,267 INFO L402 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] [2018-11-23 04:59:00,267 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:59:00,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:59:00,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1494593315, now seen corresponding path program 1 times [2018-11-23 04:59:00,267 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:59:00,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:59:00,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:59:00,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:59:00,268 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:59:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:59:00,330 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 04:59:00,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:59:00,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 04:59:00,330 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:59:00,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 04:59:00,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 04:59:00,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 04:59:00,331 INFO L87 Difference]: Start difference. First operand 181 states and 208 transitions. Second operand 6 states. [2018-11-23 04:59:00,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:59:00,365 INFO L93 Difference]: Finished difference Result 339 states and 397 transitions. [2018-11-23 04:59:00,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 04:59:00,366 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 87 [2018-11-23 04:59:00,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:59:00,367 INFO L225 Difference]: With dead ends: 339 [2018-11-23 04:59:00,367 INFO L226 Difference]: Without dead ends: 186 [2018-11-23 04:59:00,368 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 04:59:00,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2018-11-23 04:59:00,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2018-11-23 04:59:00,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2018-11-23 04:59:00,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 213 transitions. [2018-11-23 04:59:00,376 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 213 transitions. Word has length 87 [2018-11-23 04:59:00,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:59:00,377 INFO L480 AbstractCegarLoop]: Abstraction has 186 states and 213 transitions. [2018-11-23 04:59:00,377 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 04:59:00,377 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 213 transitions. [2018-11-23 04:59:00,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-23 04:59:00,378 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:59:00,378 INFO L402 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] [2018-11-23 04:59:00,378 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:59:00,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:59:00,378 INFO L82 PathProgramCache]: Analyzing trace with hash 697119782, now seen corresponding path program 1 times [2018-11-23 04:59:00,378 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:59:00,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:59:00,379 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:59:00,379 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:59:00,379 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:59:00,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:59:00,457 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 04:59:00,457 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:59:00,457 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 04:59:00,457 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:59:00,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 04:59:00,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 04:59:00,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 04:59:00,458 INFO L87 Difference]: Start difference. First operand 186 states and 213 transitions. Second operand 4 states. [2018-11-23 04:59:00,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:59:00,559 INFO L93 Difference]: Finished difference Result 534 states and 643 transitions. [2018-11-23 04:59:00,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 04:59:00,559 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 87 [2018-11-23 04:59:00,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:59:00,561 INFO L225 Difference]: With dead ends: 534 [2018-11-23 04:59:00,561 INFO L226 Difference]: Without dead ends: 376 [2018-11-23 04:59:00,562 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 04:59:00,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2018-11-23 04:59:00,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 367. [2018-11-23 04:59:00,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-11-23 04:59:00,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 431 transitions. [2018-11-23 04:59:00,579 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 431 transitions. Word has length 87 [2018-11-23 04:59:00,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:59:00,579 INFO L480 AbstractCegarLoop]: Abstraction has 367 states and 431 transitions. [2018-11-23 04:59:00,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 04:59:00,579 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 431 transitions. [2018-11-23 04:59:00,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-23 04:59:00,580 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:59:00,580 INFO L402 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] [2018-11-23 04:59:00,581 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:59:00,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:59:00,581 INFO L82 PathProgramCache]: Analyzing trace with hash 2129858796, now seen corresponding path program 1 times [2018-11-23 04:59:00,581 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:59:00,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:59:00,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:59:00,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:59:00,582 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:59:00,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:59:00,703 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 04:59:00,703 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:59:00,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 04:59:00,704 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:59:00,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 04:59:00,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 04:59:00,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-23 04:59:00,704 INFO L87 Difference]: Start difference. First operand 367 states and 431 transitions. Second operand 9 states. [2018-11-23 04:59:01,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:59:01,177 INFO L93 Difference]: Finished difference Result 962 states and 1183 transitions. [2018-11-23 04:59:01,178 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 04:59:01,178 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 91 [2018-11-23 04:59:01,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:59:01,181 INFO L225 Difference]: With dead ends: 962 [2018-11-23 04:59:01,181 INFO L226 Difference]: Without dead ends: 686 [2018-11-23 04:59:01,182 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-23 04:59:01,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2018-11-23 04:59:01,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 616. [2018-11-23 04:59:01,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 616 states. [2018-11-23 04:59:01,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 715 transitions. [2018-11-23 04:59:01,215 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 715 transitions. Word has length 91 [2018-11-23 04:59:01,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:59:01,215 INFO L480 AbstractCegarLoop]: Abstraction has 616 states and 715 transitions. [2018-11-23 04:59:01,215 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 04:59:01,215 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 715 transitions. [2018-11-23 04:59:01,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-23 04:59:01,217 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:59:01,217 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:59:01,218 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:59:01,218 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:59:01,218 INFO L82 PathProgramCache]: Analyzing trace with hash -507248536, now seen corresponding path program 1 times [2018-11-23 04:59:01,218 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:59:01,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:59:01,219 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:59:01,219 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:59:01,219 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:59:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:59:01,344 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 04:59:01,344 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:59:01,344 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:59:01,345 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 135 with the following transitions: [2018-11-23 04:59:01,346 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [49], [50], [54], [58], [59], [60], [63], [65], [68], [75], [78], [79], [80], [89], [93], [97], [100], [103], [105], [111], [113], [116], [131], [132], [133], [134], [135], [136], [137], [139], [144], [146], [147], [184], [187], [191], [197], [200], [204], [205], [211], [215], [216], [219], [220], [221], [222], [223], [224], [225], [227], [228], [229], [230], [231], [232], [233], [234], [235], [237], [238], [239], [241], [242], [243], [244], [247], [248], [249], [250], [253], [254], [257], [258], [263], [264], [265], [266], [267], [268], [269], [270], [271], [272], [273] [2018-11-23 04:59:01,372 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:59:01,372 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:59:02,457 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:59:02,458 INFO L272 AbstractInterpreter]: Visited 104 different actions 421 times. Merged at 15 different actions 42 times. Never widened. Performed 15342 root evaluator evaluations with a maximum evaluation depth of 3. Performed 15342 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 134 variables. [2018-11-23 04:59:02,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:59:02,473 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:59:02,473 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:59:02,473 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0fe28ed2-3760-4291-9a34-8bb45f95e69c/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 [2018-11-23 04:59:02,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:59:02,490 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:59:02,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:59:02,602 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:59:02,713 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 25 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:59:02,713 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:59:03,072 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-23 04:59:03,088 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 04:59:03,088 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-11-23 04:59:03,088 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 04:59:03,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 04:59:03,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 04:59:03,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-23 04:59:03,089 INFO L87 Difference]: Start difference. First operand 616 states and 715 transitions. Second operand 16 states. [2018-11-23 04:59:03,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:59:03,555 INFO L93 Difference]: Finished difference Result 963 states and 1139 transitions. [2018-11-23 04:59:03,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 04:59:03,556 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 134 [2018-11-23 04:59:03,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:59:03,556 INFO L225 Difference]: With dead ends: 963 [2018-11-23 04:59:03,556 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 04:59:03,558 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 291 GetRequests, 259 SyntacticMatches, 5 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=139, Invalid=673, Unknown=0, NotChecked=0, Total=812 [2018-11-23 04:59:03,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 04:59:03,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 04:59:03,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 04:59:03,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 04:59:03,559 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 134 [2018-11-23 04:59:03,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:59:03,559 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 04:59:03,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 04:59:03,559 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 04:59:03,559 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 04:59:03,562 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 04:59:03,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:59:03,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:59:03,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:59:03,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:59:03,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:59:03,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:59:04,209 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 40 [2018-11-23 04:59:04,391 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 39 [2018-11-23 04:59:05,016 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 38 [2018-11-23 04:59:05,081 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 661 667) the Hoare annotation is: true [2018-11-23 04:59:05,081 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 661 667) no Hoare annotation was computed. [2018-11-23 04:59:05,081 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 668 676) no Hoare annotation was computed. [2018-11-23 04:59:05,082 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 668 676) the Hoare annotation is: true [2018-11-23 04:59:05,082 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 668 676) no Hoare annotation was computed. [2018-11-23 04:59:05,082 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 881 888) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-23 04:59:05,082 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 881 888) no Hoare annotation was computed. [2018-11-23 04:59:05,082 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 881 888) no Hoare annotation was computed. [2018-11-23 04:59:05,082 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 889 898) the Hoare annotation is: (let ((.cse2 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse3 (not (= 1 ~pumpRunning~0)) .cse1 .cse2) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))) .cse3))) [2018-11-23 04:59:05,082 INFO L448 ceAbstractionStarter]: For program point L894(line 894) no Hoare annotation was computed. [2018-11-23 04:59:05,082 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 889 898) no Hoare annotation was computed. [2018-11-23 04:59:05,082 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 889 898) no Hoare annotation was computed. [2018-11-23 04:59:05,082 INFO L444 ceAbstractionStarter]: At program point L914(line 914) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 .cse4) (or .cse3 .cse1 .cse4 .cse2))) [2018-11-23 04:59:05,083 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 899 927) the Hoare annotation is: true [2018-11-23 04:59:05,083 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 918) no Hoare annotation was computed. [2018-11-23 04:59:05,083 INFO L448 ceAbstractionStarter]: For program point L911(lines 911 921) no Hoare annotation was computed. [2018-11-23 04:59:05,083 INFO L444 ceAbstractionStarter]: At program point L909(line 909) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= 0 ~pumpRunning~0)) .cse0 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse1))) [2018-11-23 04:59:05,083 INFO L448 ceAbstractionStarter]: For program point L909-1(line 909) no Hoare annotation was computed. [2018-11-23 04:59:05,083 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 899 927) no Hoare annotation was computed. [2018-11-23 04:59:05,083 INFO L448 ceAbstractionStarter]: For program point L907(lines 907 924) no Hoare annotation was computed. [2018-11-23 04:59:05,083 INFO L448 ceAbstractionStarter]: For program point L907-1(lines 899 927) no Hoare annotation was computed. [2018-11-23 04:59:05,083 INFO L451 ceAbstractionStarter]: At program point L905(line 905) the Hoare annotation is: true [2018-11-23 04:59:05,083 INFO L448 ceAbstractionStarter]: For program point L905-1(line 905) no Hoare annotation was computed. [2018-11-23 04:59:05,083 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 752 774) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-23 04:59:05,083 INFO L444 ceAbstractionStarter]: At program point L764(line 764) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~6 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 04:59:05,084 INFO L444 ceAbstractionStarter]: At program point L764-1(line 764) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~6 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 04:59:05,084 INFO L448 ceAbstractionStarter]: For program point L762(lines 762 769) no Hoare annotation was computed. [2018-11-23 04:59:05,084 INFO L448 ceAbstractionStarter]: For program point L762-1(lines 762 769) no Hoare annotation was computed. [2018-11-23 04:59:05,084 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 752 774) no Hoare annotation was computed. [2018-11-23 04:59:05,084 INFO L448 ceAbstractionStarter]: For program point L760(line 760) no Hoare annotation was computed. [2018-11-23 04:59:05,084 INFO L444 ceAbstractionStarter]: At program point L759(line 759) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-23 04:59:05,084 INFO L444 ceAbstractionStarter]: At program point L758(line 758) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-23 04:59:05,084 INFO L444 ceAbstractionStarter]: At program point L758-1(line 758) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-23 04:59:05,084 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 752 774) no Hoare annotation was computed. [2018-11-23 04:59:05,084 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 575 583) no Hoare annotation was computed. [2018-11-23 04:59:05,084 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 575 583) the Hoare annotation is: true [2018-11-23 04:59:05,084 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 575 583) no Hoare annotation was computed. [2018-11-23 04:59:05,084 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 654 660) no Hoare annotation was computed. [2018-11-23 04:59:05,085 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 654 660) the Hoare annotation is: true [2018-11-23 04:59:05,085 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 741 751) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-23 04:59:05,085 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 741 751) no Hoare annotation was computed. [2018-11-23 04:59:05,085 INFO L444 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 04:59:05,085 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 741 751) no Hoare annotation was computed. [2018-11-23 04:59:05,085 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 865 878) no Hoare annotation was computed. [2018-11-23 04:59:05,085 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 875) no Hoare annotation was computed. [2018-11-23 04:59:05,085 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 865 878) the Hoare annotation is: true [2018-11-23 04:59:05,085 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 865 878) no Hoare annotation was computed. [2018-11-23 04:59:05,085 INFO L444 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0))) [2018-11-23 04:59:05,085 INFO L448 ceAbstractionStarter]: For program point L542-1(lines 523 547) no Hoare annotation was computed. [2018-11-23 04:59:05,085 INFO L444 ceAbstractionStarter]: At program point L537(line 537) the Hoare annotation is: (let ((.cse3 (and (= processEnvironment_~tmp~4 0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse1 (not (= ~waterLevel~0 1))) (or .cse3 .cse1 (or .cse2 .cse0 (not (= ~waterLevel~0 2)))))) [2018-11-23 04:59:05,086 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 523 547) no Hoare annotation was computed. [2018-11-23 04:59:05,086 INFO L444 ceAbstractionStarter]: At program point L533(line 533) the Hoare annotation is: (let ((.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse2 .cse0 .cse1 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (or .cse2 .cse0 (not (= ~waterLevel~0 2)))))) [2018-11-23 04:59:05,086 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 523 547) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2))) .cse3) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1)) .cse3) (or .cse3 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0))) [2018-11-23 04:59:05,086 INFO L448 ceAbstractionStarter]: For program point L531(lines 531 539) no Hoare annotation was computed. [2018-11-23 04:59:05,086 INFO L444 ceAbstractionStarter]: At program point L529(line 529) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 (or .cse2 .cse0 (not (= ~waterLevel~0 2))) .cse3) (or .cse2 .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse3))) [2018-11-23 04:59:05,086 INFO L448 ceAbstractionStarter]: For program point L529-1(line 529) no Hoare annotation was computed. [2018-11-23 04:59:05,086 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 544) no Hoare annotation was computed. [2018-11-23 04:59:05,086 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 515 521) no Hoare annotation was computed. [2018-11-23 04:59:05,086 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 515 521) the Hoare annotation is: true [2018-11-23 04:59:05,086 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 410 473) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 04:59:05,086 INFO L444 ceAbstractionStarter]: At program point L442(line 442) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse2) (and .cse1 .cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse3 (= 1 ~waterLevel~0) .cse2))) [2018-11-23 04:59:05,087 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 446) no Hoare annotation was computed. [2018-11-23 04:59:05,087 INFO L448 ceAbstractionStarter]: For program point L440-1(lines 440 446) no Hoare annotation was computed. [2018-11-23 04:59:05,087 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 410 473) no Hoare annotation was computed. [2018-11-23 04:59:05,087 INFO L444 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse0 (= 2 ~waterLevel~0)) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse1 .cse2 .cse3) (not (= ~systemActive~0 1)) (and .cse4 .cse0 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (and .cse4 (= 1 ~waterLevel~0) .cse2))) [2018-11-23 04:59:05,087 INFO L444 ceAbstractionStarter]: At program point L463(lines 420 465) the Hoare annotation is: (let ((.cse1 (= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse1 .cse4 .cse2) (and .cse4 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 (= 1 ~waterLevel~0) .cse2))) [2018-11-23 04:59:05,087 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 436) no Hoare annotation was computed. [2018-11-23 04:59:05,087 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2018-11-23 04:59:05,087 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2018-11-23 04:59:05,087 INFO L444 ceAbstractionStarter]: At program point L466(lines 419 467) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 04:59:05,087 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 460) no Hoare annotation was computed. [2018-11-23 04:59:05,087 INFO L444 ceAbstractionStarter]: At program point L456-2(lines 450 461) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse2) (and .cse1 .cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse3 (= 1 ~waterLevel~0) .cse2))) [2018-11-23 04:59:05,088 INFO L448 ceAbstractionStarter]: For program point L421(lines 420 465) no Hoare annotation was computed. [2018-11-23 04:59:05,088 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 410 473) no Hoare annotation was computed. [2018-11-23 04:59:05,088 INFO L448 ceAbstractionStarter]: For program point L450(lines 450 461) no Hoare annotation was computed. [2018-11-23 04:59:05,088 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 04:59:05,088 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= ~waterLevel~0 1) (= |old(~waterLevel~0)| ~waterLevel~0))) [2018-11-23 04:59:05,088 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 04:59:05,088 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 548 555) no Hoare annotation was computed. [2018-11-23 04:59:05,088 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 548 555) no Hoare annotation was computed. [2018-11-23 04:59:05,088 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 548 555) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-23 04:59:05,088 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 856 864) the Hoare annotation is: true [2018-11-23 04:59:05,088 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 856 864) no Hoare annotation was computed. [2018-11-23 04:59:05,088 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 856 864) no Hoare annotation was computed. [2018-11-23 04:59:05,088 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 620 638) no Hoare annotation was computed. [2018-11-23 04:59:05,088 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 620 638) the Hoare annotation is: true [2018-11-23 04:59:05,089 INFO L448 ceAbstractionStarter]: For program point L629(lines 629 633) no Hoare annotation was computed. [2018-11-23 04:59:05,089 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 620 638) no Hoare annotation was computed. [2018-11-23 04:59:05,089 INFO L451 ceAbstractionStarter]: At program point L627(line 627) the Hoare annotation is: true [2018-11-23 04:59:05,089 INFO L448 ceAbstractionStarter]: For program point L629-2(lines 629 633) no Hoare annotation was computed. [2018-11-23 04:59:05,089 INFO L448 ceAbstractionStarter]: For program point L627-1(line 627) no Hoare annotation was computed. [2018-11-23 04:59:05,089 INFO L448 ceAbstractionStarter]: For program point L816-1(lines 812 823) no Hoare annotation was computed. [2018-11-23 04:59:05,089 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 812 823) the Hoare annotation is: true [2018-11-23 04:59:05,089 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 812 823) no Hoare annotation was computed. [2018-11-23 04:59:05,089 INFO L451 ceAbstractionStarter]: At program point L704(lines 679 708) the Hoare annotation is: true [2018-11-23 04:59:05,089 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 679 708) no Hoare annotation was computed. [2018-11-23 04:59:05,089 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 679 708) the Hoare annotation is: true [2018-11-23 04:59:05,089 INFO L448 ceAbstractionStarter]: For program point L700(line 700) no Hoare annotation was computed. [2018-11-23 04:59:05,089 INFO L448 ceAbstractionStarter]: For program point L693(lines 693 697) no Hoare annotation was computed. [2018-11-23 04:59:05,089 INFO L451 ceAbstractionStarter]: At program point L693-1(lines 693 697) the Hoare annotation is: true [2018-11-23 04:59:05,089 INFO L448 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2018-11-23 04:59:05,090 INFO L451 ceAbstractionStarter]: At program point L689-2(lines 689 703) the Hoare annotation is: true [2018-11-23 04:59:05,090 INFO L451 ceAbstractionStarter]: At program point L685(line 685) the Hoare annotation is: true [2018-11-23 04:59:05,090 INFO L448 ceAbstractionStarter]: For program point L685-1(line 685) no Hoare annotation was computed. [2018-11-23 04:59:05,090 INFO L444 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (= 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or .cse4 .cse3 (not (= |old(~waterLevel~0)| 1)) (and .cse5 .cse6 .cse2)) (or (or .cse3 .cse7) .cse0 (and .cse6 .cse1 .cse2)) (or (or .cse4 .cse3 .cse7) (and .cse5 (= |old(~waterLevel~0)| ~waterLevel~0) .cse2)))) [2018-11-23 04:59:05,090 INFO L444 ceAbstractionStarter]: At program point L502(lines 502 508) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (= 1 ~waterLevel~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 (and .cse1 .cse2) .cse3 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (or .cse4 .cse3 (not (= |old(~waterLevel~0)| 1)) (and .cse5 .cse6 .cse2)) (or (or .cse3 .cse7) .cse0 (and .cse6 .cse1 .cse2)) (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse5 .cse8 .cse2) (and .cse1 .cse8) (or .cse4 .cse3 .cse7))))) [2018-11-23 04:59:05,090 INFO L444 ceAbstractionStarter]: At program point L497(line 497) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse3 (= ~pumpRunning~0 1)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and .cse3 .cse4 .cse5) (or .cse1 .cse2) .cse6) (or (and .cse3 (or (= ~waterLevel~0 1) .cse4) .cse5) .cse6 .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))))) [2018-11-23 04:59:05,090 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 488 514) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse8 (not (= |old(~waterLevel~0)| 2)))) (let ((.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse5 (= 0 ~pumpRunning~0)) (.cse10 (= ~pumpRunning~0 1)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse7 (or .cse0 .cse1 .cse8)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (and .cse5 (= 1 ~waterLevel~0)) .cse1 .cse3) (or (and .cse5 .cse6) .cse7) (or (or .cse1 .cse8) .cse9 (and .cse10 .cse6)) (or (and .cse10 .cse6 .cse4) .cse9 .cse1 .cse2) (or .cse2 .cse7 .cse4)))) [2018-11-23 04:59:05,090 INFO L448 ceAbstractionStarter]: For program point L495(lines 491 513) no Hoare annotation was computed. [2018-11-23 04:59:05,090 INFO L448 ceAbstractionStarter]: For program point L493(lines 491 513) no Hoare annotation was computed. [2018-11-23 04:59:05,090 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 488 514) no Hoare annotation was computed. [2018-11-23 04:59:05,091 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 488 514) no Hoare annotation was computed. [2018-11-23 04:59:05,091 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 788 799) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (or (not (= ~systemActive~0 1)) (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= |old(~waterLevel~0)| 2))) (or (or (= ~waterLevel~0 1) .cse0) .cse1 .cse2 .cse3))) [2018-11-23 04:59:05,091 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 788 799) no Hoare annotation was computed. [2018-11-23 04:59:05,091 INFO L448 ceAbstractionStarter]: For program point L792-1(lines 788 799) no Hoare annotation was computed. [2018-11-23 04:59:05,091 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 733 739) no Hoare annotation was computed. [2018-11-23 04:59:05,091 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 733 739) the Hoare annotation is: true [2018-11-23 04:59:05,091 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 04:59:05,091 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-23 04:59:05,091 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 04:59:05,091 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 04:59:05,091 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 800 811) no Hoare annotation was computed. [2018-11-23 04:59:05,092 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 800 811) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (= 1 ~waterLevel~0)) (or (or (= ~waterLevel~0 1) .cse2) .cse1 .cse3 .cse4) (or (or .cse0 .cse1) .cse2 .cse4 .cse5) (or .cse1 .cse3 .cse2 .cse5))) [2018-11-23 04:59:05,092 INFO L448 ceAbstractionStarter]: For program point L804-1(lines 800 811) no Hoare annotation was computed. [2018-11-23 04:59:05,092 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 776 783) no Hoare annotation was computed. [2018-11-23 04:59:05,092 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 776 783) the Hoare annotation is: true [2018-11-23 04:59:05,092 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 780) no Hoare annotation was computed. [2018-11-23 04:59:05,092 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 776 783) no Hoare annotation was computed. [2018-11-23 04:59:05,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:59:05 BoogieIcfgContainer [2018-11-23 04:59:05,102 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 04:59:05,102 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 04:59:05,102 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 04:59:05,103 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 04:59:05,103 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:58:57" (3/4) ... [2018-11-23 04:59:05,106 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 04:59:05,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 04:59:05,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 04:59:05,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-23 04:59:05,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-23 04:59:05,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-23 04:59:05,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 04:59:05,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 04:59:05,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 04:59:05,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 04:59:05,111 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 04:59:05,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 04:59:05,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 04:59:05,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 04:59:05,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 04:59:05,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 04:59:05,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 04:59:05,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 04:59:05,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 04:59:05,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 04:59:05,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 04:59:05,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 04:59:05,112 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 04:59:05,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 04:59:05,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 04:59:05,118 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-11-23 04:59:05,119 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 04:59:05,119 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 04:59:05,119 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 04:59:05,120 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 04:59:05,120 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 04:59:05,120 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 04:59:05,140 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((2 == waterLevel && pumpRunning == 1) && splverifierCounter == 0)) || ((pumpRunning == 1 && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || ((0 == pumpRunning && 1 == waterLevel) && splverifierCounter == 0) [2018-11-23 04:59:05,140 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) [2018-11-23 04:59:05,173 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0fe28ed2-3760-4291-9a34-8bb45f95e69c/bin-2019/utaipan/witness.graphml [2018-11-23 04:59:05,173 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 04:59:05,174 INFO L168 Benchmark]: Toolchain (without parser) took 8077.06 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 436.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -175.4 MB). Peak memory consumption was 261.3 MB. Max. memory is 11.5 GB. [2018-11-23 04:59:05,175 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:59:05,175 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -197.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-23 04:59:05,175 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.33 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. [2018-11-23 04:59:05,175 INFO L168 Benchmark]: Boogie Preprocessor took 23.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 04:59:05,175 INFO L168 Benchmark]: RCFGBuilder took 510.56 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: 58.1 MB). Peak memory consumption was 58.1 MB. Max. memory is 11.5 GB. [2018-11-23 04:59:05,176 INFO L168 Benchmark]: TraceAbstraction took 7105.71 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 270.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -40.8 MB). Peak memory consumption was 419.3 MB. Max. memory is 11.5 GB. [2018-11-23 04:59:05,176 INFO L168 Benchmark]: Witness Printer took 70.91 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. [2018-11-23 04:59:05,177 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 340.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 956.6 MB in the beginning and 1.2 GB in the end (delta: -197.1 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.33 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 23.97 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 510.56 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: 58.1 MB). Peak memory consumption was 58.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7105.71 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 270.5 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -40.8 MB). Peak memory consumption was 419.3 MB. Max. memory is 11.5 GB. * Witness Printer took 70.91 ms. Allocated memory is still 1.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 780]: 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: 679]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 420]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((2 == waterLevel && pumpRunning == 1) && splverifierCounter == 0)) || ((pumpRunning == 1 && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || ((0 == pumpRunning && 1 == waterLevel) && splverifierCounter == 0) - InvariantResult [Line: 419]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 128 locations, 1 error locations. SAFE Result, 7.0s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 2.3s AutomataDifference, 0.0s DeadEndRemovalTime, 1.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 1552 SDtfs, 1209 SDslu, 4297 SDs, 0 SdLazy, 2065 SolverSat, 463 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 390 GetRequests, 300 SyntacticMatches, 8 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=616occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.1s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 130 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 901 PreInvPairs, 967 NumberOfFragments, 1504 HoareAnnotationTreeSize, 901 FomulaSimplifications, 2199 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 52 FomulaSimplificationsInter, 4808 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 983 NumberOfCodeBlocks, 983 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1105 ConstructedInterpolants, 0 QuantifiedInterpolants, 190176 SizeOfPredicates, 4 NumberOfNonLiveVariables, 838 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 118/141 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...