./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product52_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e740e913-f90e-494e-a69b-def695e1c76a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e740e913-f90e-494e-a69b-def695e1c76a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e740e913-f90e-494e-a69b-def695e1c76a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e740e913-f90e-494e-a69b-def695e1c76a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product52_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e740e913-f90e-494e-a69b-def695e1c76a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e740e913-f90e-494e-a69b-def695e1c76a/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 9fc6dbbcfa33ba532c22e3e2a2682304ea7cf29d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 08:40:10,494 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 08:40:10,495 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 08:40:10,501 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 08:40:10,501 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 08:40:10,501 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 08:40:10,502 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 08:40:10,503 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 08:40:10,503 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 08:40:10,504 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 08:40:10,504 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 08:40:10,504 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 08:40:10,505 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 08:40:10,505 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 08:40:10,506 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 08:40:10,506 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 08:40:10,506 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 08:40:10,507 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 08:40:10,508 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 08:40:10,509 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 08:40:10,509 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 08:40:10,510 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 08:40:10,512 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 08:40:10,512 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 08:40:10,512 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 08:40:10,513 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 08:40:10,513 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 08:40:10,514 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 08:40:10,514 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 08:40:10,515 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 08:40:10,515 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 08:40:10,515 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 08:40:10,516 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 08:40:10,516 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 08:40:10,516 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 08:40:10,517 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 08:40:10,517 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e740e913-f90e-494e-a69b-def695e1c76a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 08:40:10,526 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 08:40:10,526 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 08:40:10,527 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 08:40:10,527 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 08:40:10,527 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 08:40:10,527 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 08:40:10,527 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 08:40:10,528 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 08:40:10,528 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 08:40:10,528 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 08:40:10,528 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 08:40:10,528 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 08:40:10,528 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 08:40:10,529 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 08:40:10,529 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 08:40:10,529 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 08:40:10,529 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 08:40:10,529 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 08:40:10,530 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 08:40:10,530 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 08:40:10,530 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 08:40:10,530 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 08:40:10,530 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 08:40:10,530 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 08:40:10,531 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 08:40:10,531 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 08:40:10,531 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 08:40:10,531 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 08:40:10,531 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 08:40:10,531 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 08:40:10,531 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 08:40:10,532 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 08:40:10,532 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 08:40:10,532 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 08:40:10,532 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 08:40:10,532 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 08:40:10,532 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_e740e913-f90e-494e-a69b-def695e1c76a/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 -> 9fc6dbbcfa33ba532c22e3e2a2682304ea7cf29d [2018-12-02 08:40:10,555 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 08:40:10,562 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 08:40:10,564 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 08:40:10,565 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 08:40:10,565 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 08:40:10,566 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e740e913-f90e-494e-a69b-def695e1c76a/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product52_true-unreach-call_false-termination.cil.c [2018-12-02 08:40:10,602 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e740e913-f90e-494e-a69b-def695e1c76a/bin-2019/utaipan/data/1be2216d0/15190a9e3a974a6e9b2464267cfe8e8c/FLAG3d6b96f99 [2018-12-02 08:40:11,017 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 08:40:11,017 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e740e913-f90e-494e-a69b-def695e1c76a/sv-benchmarks/c/product-lines/minepump_spec5_product52_true-unreach-call_false-termination.cil.c [2018-12-02 08:40:11,024 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e740e913-f90e-494e-a69b-def695e1c76a/bin-2019/utaipan/data/1be2216d0/15190a9e3a974a6e9b2464267cfe8e8c/FLAG3d6b96f99 [2018-12-02 08:40:11,032 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e740e913-f90e-494e-a69b-def695e1c76a/bin-2019/utaipan/data/1be2216d0/15190a9e3a974a6e9b2464267cfe8e8c [2018-12-02 08:40:11,034 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 08:40:11,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 08:40:11,036 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 08:40:11,036 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 08:40:11,038 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 08:40:11,038 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:40:11" (1/1) ... [2018-12-02 08:40:11,040 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:40:11, skipping insertion in model container [2018-12-02 08:40:11,040 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:40:11" (1/1) ... [2018-12-02 08:40:11,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 08:40:11,065 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 08:40:11,215 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:40:11,255 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 08:40:11,308 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:40:11,324 INFO L195 MainTranslator]: Completed translation [2018-12-02 08:40:11,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:40:11 WrapperNode [2018-12-02 08:40:11,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 08:40:11,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 08:40:11,325 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 08:40:11,325 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 08:40:11,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:40:11" (1/1) ... [2018-12-02 08:40:11,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:40:11" (1/1) ... [2018-12-02 08:40:11,343 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 08:40:11,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 08:40:11,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 08:40:11,344 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 08:40:11,349 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:40:11" (1/1) ... [2018-12-02 08:40:11,349 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:40:11" (1/1) ... [2018-12-02 08:40:11,351 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:40:11" (1/1) ... [2018-12-02 08:40:11,352 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:40:11" (1/1) ... [2018-12-02 08:40:11,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:40:11" (1/1) ... [2018-12-02 08:40:11,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:40:11" (1/1) ... [2018-12-02 08:40:11,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:40:11" (1/1) ... [2018-12-02 08:40:11,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 08:40:11,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 08:40:11,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 08:40:11,365 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 08:40:11,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:40:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e740e913-f90e-494e-a69b-def695e1c76a/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 [2018-12-02 08:40:11,396 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 08:40:11,397 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 08:40:11,397 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 08:40:11,397 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 08:40:11,397 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-02 08:40:11,397 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-02 08:40:11,397 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-02 08:40:11,397 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-02 08:40:11,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 08:40:11,398 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 08:40:11,398 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 08:40:11,398 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 08:40:11,398 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 08:40:11,398 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 08:40:11,398 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 08:40:11,398 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 08:40:11,398 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 08:40:11,398 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 08:40:11,399 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 08:40:11,399 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-02 08:40:11,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-02 08:40:11,399 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 08:40:11,399 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 08:40:11,399 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 08:40:11,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 08:40:11,399 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-02 08:40:11,399 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-02 08:40:11,399 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 08:40:11,399 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 08:40:11,400 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 08:40:11,400 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 08:40:11,400 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 08:40:11,400 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 08:40:11,400 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 08:40:11,400 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 08:40:11,400 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 08:40:11,400 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 08:40:11,400 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 08:40:11,400 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 08:40:11,400 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 08:40:11,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 08:40:11,401 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 08:40:11,401 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 08:40:11,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-02 08:40:11,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-02 08:40:11,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-02 08:40:11,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-02 08:40:11,401 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-02 08:40:11,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-02 08:40:11,402 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 08:40:11,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 08:40:11,402 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 08:40:11,402 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 08:40:11,402 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 08:40:11,402 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 08:40:11,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 08:40:11,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 08:40:11,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 08:40:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 08:40:11,403 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 08:40:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 08:40:11,403 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 08:40:11,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 08:40:11,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 08:40:11,693 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 08:40:11,693 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 08:40:11,694 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:40:11 BoogieIcfgContainer [2018-12-02 08:40:11,694 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 08:40:11,694 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 08:40:11,695 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 08:40:11,697 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 08:40:11,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:40:11" (1/3) ... [2018-12-02 08:40:11,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@343736fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:40:11, skipping insertion in model container [2018-12-02 08:40:11,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:40:11" (2/3) ... [2018-12-02 08:40:11,698 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@343736fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:40:11, skipping insertion in model container [2018-12-02 08:40:11,698 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:40:11" (3/3) ... [2018-12-02 08:40:11,700 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product52_true-unreach-call_false-termination.cil.c [2018-12-02 08:40:11,708 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 08:40:11,714 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 08:40:11,725 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 08:40:11,743 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 08:40:11,743 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 08:40:11,743 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 08:40:11,743 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 08:40:11,744 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 08:40:11,744 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 08:40:11,744 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 08:40:11,744 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 08:40:11,755 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states. [2018-12-02 08:40:11,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-02 08:40:11,763 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:40:11,763 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] [2018-12-02 08:40:11,765 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:40:11,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:40:11,770 INFO L82 PathProgramCache]: Analyzing trace with hash 791816333, now seen corresponding path program 1 times [2018-12-02 08:40:11,771 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:40:11,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:40:11,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:40:11,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:40:11,802 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:40:11,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:40:11,911 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 08:40:11,913 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:40:11,913 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 08:40:11,913 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:40:11,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 08:40:11,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 08:40:11,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 08:40:11,926 INFO L87 Difference]: Start difference. First operand 161 states. Second operand 2 states. [2018-12-02 08:40:11,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:40:11,949 INFO L93 Difference]: Finished difference Result 292 states and 361 transitions. [2018-12-02 08:40:11,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 08:40:11,950 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-02 08:40:11,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:40:11,957 INFO L225 Difference]: With dead ends: 292 [2018-12-02 08:40:11,957 INFO L226 Difference]: Without dead ends: 148 [2018-12-02 08:40:11,959 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 [2018-12-02 08:40:11,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-12-02 08:40:11,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-12-02 08:40:11,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-12-02 08:40:11,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 174 transitions. [2018-12-02 08:40:11,989 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 174 transitions. Word has length 59 [2018-12-02 08:40:11,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:40:11,990 INFO L480 AbstractCegarLoop]: Abstraction has 148 states and 174 transitions. [2018-12-02 08:40:11,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 08:40:11,990 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 174 transitions. [2018-12-02 08:40:11,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-12-02 08:40:11,991 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:40:11,991 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] [2018-12-02 08:40:11,992 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:40:11,992 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:40:11,992 INFO L82 PathProgramCache]: Analyzing trace with hash -340675302, now seen corresponding path program 1 times [2018-12-02 08:40:11,992 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:40:11,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:40:11,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:40:11,993 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:40:11,993 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:40:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:40:12,046 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 08:40:12,046 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:40:12,046 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 08:40:12,046 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:40:12,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 08:40:12,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 08:40:12,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 08:40:12,048 INFO L87 Difference]: Start difference. First operand 148 states and 174 transitions. Second operand 3 states. [2018-12-02 08:40:12,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:40:12,061 INFO L93 Difference]: Finished difference Result 231 states and 271 transitions. [2018-12-02 08:40:12,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 08:40:12,061 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-12-02 08:40:12,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:40:12,062 INFO L225 Difference]: With dead ends: 231 [2018-12-02 08:40:12,062 INFO L226 Difference]: Without dead ends: 139 [2018-12-02 08:40:12,063 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 [2018-12-02 08:40:12,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-12-02 08:40:12,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-12-02 08:40:12,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-12-02 08:40:12,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 162 transitions. [2018-12-02 08:40:12,071 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 162 transitions. Word has length 60 [2018-12-02 08:40:12,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:40:12,071 INFO L480 AbstractCegarLoop]: Abstraction has 139 states and 162 transitions. [2018-12-02 08:40:12,072 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 08:40:12,072 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 162 transitions. [2018-12-02 08:40:12,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 08:40:12,073 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:40:12,073 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] [2018-12-02 08:40:12,073 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:40:12,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:40:12,073 INFO L82 PathProgramCache]: Analyzing trace with hash -500806735, now seen corresponding path program 1 times [2018-12-02 08:40:12,073 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:40:12,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:40:12,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:40:12,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:40:12,074 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:40:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:40:12,159 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 08:40:12,159 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:40:12,160 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 08:40:12,160 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:40:12,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 08:40:12,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 08:40:12,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 08:40:12,160 INFO L87 Difference]: Start difference. First operand 139 states and 162 transitions. Second operand 7 states. [2018-12-02 08:40:12,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:40:12,432 INFO L93 Difference]: Finished difference Result 417 states and 506 transitions. [2018-12-02 08:40:12,432 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 08:40:12,432 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-12-02 08:40:12,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:40:12,434 INFO L225 Difference]: With dead ends: 417 [2018-12-02 08:40:12,434 INFO L226 Difference]: Without dead ends: 306 [2018-12-02 08:40:12,435 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 08:40:12,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 306 states. [2018-12-02 08:40:12,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 306 to 294. [2018-12-02 08:40:12,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2018-12-02 08:40:12,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 356 transitions. [2018-12-02 08:40:12,454 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 356 transitions. Word has length 65 [2018-12-02 08:40:12,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:40:12,454 INFO L480 AbstractCegarLoop]: Abstraction has 294 states and 356 transitions. [2018-12-02 08:40:12,454 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 08:40:12,454 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 356 transitions. [2018-12-02 08:40:12,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-02 08:40:12,455 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:40:12,456 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] [2018-12-02 08:40:12,456 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:40:12,456 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:40:12,456 INFO L82 PathProgramCache]: Analyzing trace with hash -2011404985, now seen corresponding path program 1 times [2018-12-02 08:40:12,456 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:40:12,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:40:12,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:40:12,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:40:12,457 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:40:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:40:12,534 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 08:40:12,534 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:40:12,534 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 08:40:12,534 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:40:12,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 08:40:12,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 08:40:12,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 08:40:12,535 INFO L87 Difference]: Start difference. First operand 294 states and 356 transitions. Second operand 7 states. [2018-12-02 08:40:12,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:40:12,972 INFO L93 Difference]: Finished difference Result 744 states and 968 transitions. [2018-12-02 08:40:12,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 08:40:12,972 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-12-02 08:40:12,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:40:12,975 INFO L225 Difference]: With dead ends: 744 [2018-12-02 08:40:12,975 INFO L226 Difference]: Without dead ends: 478 [2018-12-02 08:40:12,977 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 [2018-12-02 08:40:12,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 478 states. [2018-12-02 08:40:13,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 478 to 424. [2018-12-02 08:40:13,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2018-12-02 08:40:13,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 511 transitions. [2018-12-02 08:40:13,007 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 511 transitions. Word has length 70 [2018-12-02 08:40:13,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:40:13,007 INFO L480 AbstractCegarLoop]: Abstraction has 424 states and 511 transitions. [2018-12-02 08:40:13,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 08:40:13,007 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 511 transitions. [2018-12-02 08:40:13,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 08:40:13,008 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:40:13,009 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, 1, 1] [2018-12-02 08:40:13,009 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:40:13,009 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:40:13,009 INFO L82 PathProgramCache]: Analyzing trace with hash -2123250060, now seen corresponding path program 1 times [2018-12-02 08:40:13,009 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:40:13,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:40:13,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:40:13,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:40:13,010 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:40:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:40:13,066 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 08:40:13,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:40:13,066 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 08:40:13,067 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:40:13,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 08:40:13,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 08:40:13,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 08:40:13,067 INFO L87 Difference]: Start difference. First operand 424 states and 511 transitions. Second operand 6 states. [2018-12-02 08:40:13,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:40:13,099 INFO L93 Difference]: Finished difference Result 830 states and 1019 transitions. [2018-12-02 08:40:13,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 08:40:13,099 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-12-02 08:40:13,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:40:13,101 INFO L225 Difference]: With dead ends: 830 [2018-12-02 08:40:13,101 INFO L226 Difference]: Without dead ends: 434 [2018-12-02 08:40:13,102 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 [2018-12-02 08:40:13,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-12-02 08:40:13,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 434. [2018-12-02 08:40:13,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2018-12-02 08:40:13,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 521 transitions. [2018-12-02 08:40:13,117 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 521 transitions. Word has length 93 [2018-12-02 08:40:13,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:40:13,118 INFO L480 AbstractCegarLoop]: Abstraction has 434 states and 521 transitions. [2018-12-02 08:40:13,118 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 08:40:13,118 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 521 transitions. [2018-12-02 08:40:13,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 08:40:13,119 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:40:13,119 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, 1, 1] [2018-12-02 08:40:13,119 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:40:13,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:40:13,119 INFO L82 PathProgramCache]: Analyzing trace with hash -1421650186, now seen corresponding path program 1 times [2018-12-02 08:40:13,119 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:40:13,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:40:13,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:40:13,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:40:13,120 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:40:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:40:13,181 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 08:40:13,181 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:40:13,182 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 08:40:13,182 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:40:13,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 08:40:13,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 08:40:13,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 08:40:13,182 INFO L87 Difference]: Start difference. First operand 434 states and 521 transitions. Second operand 8 states. [2018-12-02 08:40:13,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:40:13,209 INFO L93 Difference]: Finished difference Result 854 states and 1058 transitions. [2018-12-02 08:40:13,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 08:40:13,209 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2018-12-02 08:40:13,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:40:13,210 INFO L225 Difference]: With dead ends: 854 [2018-12-02 08:40:13,210 INFO L226 Difference]: Without dead ends: 448 [2018-12-02 08:40:13,211 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 [2018-12-02 08:40:13,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2018-12-02 08:40:13,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 442. [2018-12-02 08:40:13,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2018-12-02 08:40:13,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 529 transitions. [2018-12-02 08:40:13,226 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 529 transitions. Word has length 93 [2018-12-02 08:40:13,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:40:13,226 INFO L480 AbstractCegarLoop]: Abstraction has 442 states and 529 transitions. [2018-12-02 08:40:13,226 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 08:40:13,226 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 529 transitions. [2018-12-02 08:40:13,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-02 08:40:13,227 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:40:13,227 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, 1, 1] [2018-12-02 08:40:13,227 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:40:13,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:40:13,227 INFO L82 PathProgramCache]: Analyzing trace with hash 303830711, now seen corresponding path program 1 times [2018-12-02 08:40:13,227 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:40:13,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:40:13,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:40:13,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:40:13,228 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:40:13,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:40:13,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 08:40:13,281 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:40:13,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 08:40:13,281 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:40:13,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 08:40:13,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 08:40:13,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 08:40:13,282 INFO L87 Difference]: Start difference. First operand 442 states and 529 transitions. Second operand 4 states. [2018-12-02 08:40:13,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:40:13,440 INFO L93 Difference]: Finished difference Result 1416 states and 1774 transitions. [2018-12-02 08:40:13,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 08:40:13,441 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2018-12-02 08:40:13,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:40:13,445 INFO L225 Difference]: With dead ends: 1416 [2018-12-02 08:40:13,445 INFO L226 Difference]: Without dead ends: 1002 [2018-12-02 08:40:13,447 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 [2018-12-02 08:40:13,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2018-12-02 08:40:13,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 985. [2018-12-02 08:40:13,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 985 states. [2018-12-02 08:40:13,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 985 states to 985 states and 1208 transitions. [2018-12-02 08:40:13,498 INFO L78 Accepts]: Start accepts. Automaton has 985 states and 1208 transitions. Word has length 93 [2018-12-02 08:40:13,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:40:13,499 INFO L480 AbstractCegarLoop]: Abstraction has 985 states and 1208 transitions. [2018-12-02 08:40:13,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 08:40:13,499 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1208 transitions. [2018-12-02 08:40:13,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-02 08:40:13,500 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:40:13,500 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, 1, 1, 1, 1, 1, 1] [2018-12-02 08:40:13,500 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:40:13,500 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:40:13,500 INFO L82 PathProgramCache]: Analyzing trace with hash 797016893, now seen corresponding path program 1 times [2018-12-02 08:40:13,501 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:40:13,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:40:13,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:40:13,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:40:13,501 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:40:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:40:13,593 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 08:40:13,593 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:40:13,593 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 08:40:13,593 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:40:13,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 08:40:13,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 08:40:13,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-12-02 08:40:13,594 INFO L87 Difference]: Start difference. First operand 985 states and 1208 transitions. Second operand 9 states. [2018-12-02 08:40:14,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:40:14,209 INFO L93 Difference]: Finished difference Result 2700 states and 3468 transitions. [2018-12-02 08:40:14,210 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 08:40:14,210 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2018-12-02 08:40:14,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:40:14,218 INFO L225 Difference]: With dead ends: 2700 [2018-12-02 08:40:14,218 INFO L226 Difference]: Without dead ends: 1929 [2018-12-02 08:40:14,221 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 [2018-12-02 08:40:14,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1929 states. [2018-12-02 08:40:14,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1929 to 1696. [2018-12-02 08:40:14,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1696 states. [2018-12-02 08:40:14,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2047 transitions. [2018-12-02 08:40:14,301 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2047 transitions. Word has length 97 [2018-12-02 08:40:14,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:40:14,301 INFO L480 AbstractCegarLoop]: Abstraction has 1696 states and 2047 transitions. [2018-12-02 08:40:14,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 08:40:14,302 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2047 transitions. [2018-12-02 08:40:14,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-02 08:40:14,305 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:40:14,305 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:40:14,305 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:40:14,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:40:14,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1664263186, now seen corresponding path program 1 times [2018-12-02 08:40:14,305 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:40:14,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:40:14,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:40:14,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:40:14,307 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:40:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:40:14,444 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-02 08:40:14,444 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:40:14,444 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:40:14,445 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 160 with the following transitions: [2018-12-02 08:40:14,447 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [57], [58], [59], [61], [64], [68], [69], [70], [76], [79], [81], [87], [91], [94], [95], [99], [100], [101], [102], [111], [115], [119], [122], [125], [127], [133], [135], [141], [147], [155], [156], [157], [158], [159], [160], [161], [163], [168], [170], [171], [172], [173], [184], [187], [191], [197], [226], [230], [231], [235], [238], [240], [243], [250], [253], [258], [262], [263], [266], [267], [268], [269], [270], [271], [272], [274], [275], [276], [277], [278], [279], [280], [281], [282], [286], [287], [288], [289], [290], [292], [293], [296], [297], [298], [299], [300], [301], [308], [309], [312], [313], [314], [315], [316], [317], [318], [319], [320], [321], [326], [327], [328], [330], [331], [332], [333], [336], [337] [2018-12-02 08:40:14,479 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:40:14,479 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:40:15,643 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 08:40:15,644 INFO L272 AbstractInterpreter]: Visited 126 different actions 763 times. Merged at 19 different actions 73 times. Never widened. Performed 24812 root evaluator evaluations with a maximum evaluation depth of 5. Performed 24812 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 12 fixpoints after 3 different actions. Largest state had 135 variables. [2018-12-02 08:40:15,651 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:40:15,652 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 08:40:15,652 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:40:15,652 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e740e913-f90e-494e-a69b-def695e1c76a/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 [2018-12-02 08:40:15,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:40:15,659 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 08:40:15,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:40:15,746 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:40:15,843 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:40:15,843 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 08:40:16,061 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-02 08:40:16,086 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 08:40:16,087 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-12-02 08:40:16,087 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 08:40:16,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-02 08:40:16,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-02 08:40:16,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-12-02 08:40:16,088 INFO L87 Difference]: Start difference. First operand 1696 states and 2047 transitions. Second operand 16 states. [2018-12-02 08:40:16,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:40:16,806 INFO L93 Difference]: Finished difference Result 3903 states and 4910 transitions. [2018-12-02 08:40:16,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-02 08:40:16,807 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 159 [2018-12-02 08:40:16,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:40:16,816 INFO L225 Difference]: With dead ends: 3903 [2018-12-02 08:40:16,816 INFO L226 Difference]: Without dead ends: 2415 [2018-12-02 08:40:16,821 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 310 SyntacticMatches, 5 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 234 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=204, Invalid=1056, Unknown=0, NotChecked=0, Total=1260 [2018-12-02 08:40:16,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2415 states. [2018-12-02 08:40:16,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2415 to 2153. [2018-12-02 08:40:16,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2153 states. [2018-12-02 08:40:16,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2153 states to 2153 states and 2565 transitions. [2018-12-02 08:40:16,945 INFO L78 Accepts]: Start accepts. Automaton has 2153 states and 2565 transitions. Word has length 159 [2018-12-02 08:40:16,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:40:16,946 INFO L480 AbstractCegarLoop]: Abstraction has 2153 states and 2565 transitions. [2018-12-02 08:40:16,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-02 08:40:16,946 INFO L276 IsEmpty]: Start isEmpty. Operand 2153 states and 2565 transitions. [2018-12-02 08:40:16,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2018-12-02 08:40:16,952 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:40:16,953 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 08:40:16,953 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:40:16,953 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:40:16,953 INFO L82 PathProgramCache]: Analyzing trace with hash 748319762, now seen corresponding path program 1 times [2018-12-02 08:40:16,953 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:40:16,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:40:16,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:40:16,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:40:16,954 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:40:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:40:17,080 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 98 proven. 16 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2018-12-02 08:40:17,081 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:40:17,081 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:40:17,081 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 282 with the following transitions: [2018-12-02 08:40:17,081 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [57], [58], [59], [61], [64], [68], [69], [70], [74], [75], [76], [79], [81], [84], [87], [91], [94], [95], [99], [100], [101], [102], [111], [115], [119], [122], [125], [127], [133], [135], [141], [147], [155], [156], [157], [158], [159], [160], [161], [163], [168], [170], [171], [172], [173], [184], [187], [191], [197], [226], [230], [231], [235], [238], [240], [243], [250], [253], [258], [260], [262], [263], [266], [267], [268], [269], [270], [271], [272], [274], [275], [276], [277], [278], [279], [280], [281], [282], [286], [287], [288], [289], [290], [292], [293], [294], [295], [296], [297], [298], [299], [300], [301], [308], [309], [312], [313], [314], [315], [316], [317], [318], [319], [320], [321], [326], [327], [328], [330], [331], [332], [333], [336], [337] [2018-12-02 08:40:17,083 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:40:17,083 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:40:18,041 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 08:40:18,041 INFO L272 AbstractInterpreter]: Visited 128 different actions 734 times. Merged at 21 different actions 70 times. Never widened. Performed 26821 root evaluator evaluations with a maximum evaluation depth of 5. Performed 26821 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 14 fixpoints after 5 different actions. Largest state had 135 variables. [2018-12-02 08:40:18,043 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:40:18,043 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 08:40:18,043 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:40:18,043 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e740e913-f90e-494e-a69b-def695e1c76a/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 08:40:18,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:40:18,051 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 08:40:18,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:40:18,145 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:40:18,294 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 205 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-02 08:40:18,294 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 08:40:18,702 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 79 proven. 33 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-12-02 08:40:18,718 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 08:40:18,718 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 13] total 26 [2018-12-02 08:40:18,718 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 08:40:18,718 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-02 08:40:18,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-02 08:40:18,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2018-12-02 08:40:18,719 INFO L87 Difference]: Start difference. First operand 2153 states and 2565 transitions. Second operand 18 states. [2018-12-02 08:40:20,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:40:20,360 INFO L93 Difference]: Finished difference Result 5888 states and 7395 transitions. [2018-12-02 08:40:20,360 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-12-02 08:40:20,361 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 281 [2018-12-02 08:40:20,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:40:20,374 INFO L225 Difference]: With dead ends: 5888 [2018-12-02 08:40:20,374 INFO L226 Difference]: Without dead ends: 3195 [2018-12-02 08:40:20,381 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 611 GetRequests, 551 SyntacticMatches, 10 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 547 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=547, Invalid=2105, Unknown=0, NotChecked=0, Total=2652 [2018-12-02 08:40:20,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3195 states. [2018-12-02 08:40:20,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3195 to 2969. [2018-12-02 08:40:20,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2969 states. [2018-12-02 08:40:20,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2969 states to 2969 states and 3480 transitions. [2018-12-02 08:40:20,507 INFO L78 Accepts]: Start accepts. Automaton has 2969 states and 3480 transitions. Word has length 281 [2018-12-02 08:40:20,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:40:20,508 INFO L480 AbstractCegarLoop]: Abstraction has 2969 states and 3480 transitions. [2018-12-02 08:40:20,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-02 08:40:20,508 INFO L276 IsEmpty]: Start isEmpty. Operand 2969 states and 3480 transitions. [2018-12-02 08:40:20,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-12-02 08:40:20,547 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:40:20,548 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 08:40:20,548 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:40:20,548 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:40:20,548 INFO L82 PathProgramCache]: Analyzing trace with hash 1017412388, now seen corresponding path program 1 times [2018-12-02 08:40:20,548 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:40:20,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:40:20,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:40:20,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:40:20,549 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:40:20,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:40:20,642 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 110 proven. 15 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2018-12-02 08:40:20,643 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:40:20,643 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:40:20,643 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 341 with the following transitions: [2018-12-02 08:40:20,643 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [53], [55], [56], [57], [58], [59], [61], [64], [66], [68], [69], [70], [74], [75], [76], [79], [81], [84], [87], [91], [94], [95], [99], [100], [101], [102], [111], [115], [119], [122], [125], [127], [133], [135], [141], [144], [147], [155], [156], [157], [158], [159], [160], [161], [163], [168], [170], [171], [172], [173], [184], [187], [191], [194], [197], [226], [230], [231], [235], [238], [240], [243], [250], [253], [258], [262], [263], [266], [267], [268], [269], [270], [271], [272], [274], [275], [276], [277], [278], [279], [280], [281], [282], [286], [287], [288], [289], [290], [292], [293], [294], [295], [296], [297], [298], [299], [300], [301], [306], [307], [308], [309], [312], [313], [314], [315], [316], [317], [318], [319], [320], [321], [326], [327], [328], [330], [331], [332], [333], [336], [337] [2018-12-02 08:40:20,645 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:40:20,645 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:40:23,044 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 08:40:23,044 INFO L272 AbstractInterpreter]: Visited 140 different actions 1792 times. Merged at 30 different actions 285 times. Widened at 1 different actions 3 times. Performed 71249 root evaluator evaluations with a maximum evaluation depth of 5. Performed 71249 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 81 fixpoints after 8 different actions. Largest state had 135 variables. [2018-12-02 08:40:23,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:40:23,046 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 08:40:23,047 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:40:23,047 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e740e913-f90e-494e-a69b-def695e1c76a/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 08:40:23,054 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:40:23,054 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 08:40:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:40:23,158 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:40:23,201 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-12-02 08:40:23,201 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 08:40:23,361 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 402 trivial. 0 not checked. [2018-12-02 08:40:23,377 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 08:40:23,377 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-12-02 08:40:23,377 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:40:23,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 08:40:23,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 08:40:23,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-02 08:40:23,378 INFO L87 Difference]: Start difference. First operand 2969 states and 3480 transitions. Second operand 3 states. [2018-12-02 08:40:23,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:40:23,440 INFO L93 Difference]: Finished difference Result 4768 states and 5600 transitions. [2018-12-02 08:40:23,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 08:40:23,440 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 340 [2018-12-02 08:40:23,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:40:23,444 INFO L225 Difference]: With dead ends: 4768 [2018-12-02 08:40:23,444 INFO L226 Difference]: Without dead ends: 1861 [2018-12-02 08:40:23,448 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 690 GetRequests, 682 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-02 08:40:23,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1861 states. [2018-12-02 08:40:23,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1861 to 1821. [2018-12-02 08:40:23,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1821 states. [2018-12-02 08:40:23,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1821 states to 1821 states and 2098 transitions. [2018-12-02 08:40:23,506 INFO L78 Accepts]: Start accepts. Automaton has 1821 states and 2098 transitions. Word has length 340 [2018-12-02 08:40:23,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:40:23,506 INFO L480 AbstractCegarLoop]: Abstraction has 1821 states and 2098 transitions. [2018-12-02 08:40:23,506 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 08:40:23,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1821 states and 2098 transitions. [2018-12-02 08:40:23,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-12-02 08:40:23,510 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:40:23,510 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 08:40:23,511 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:40:23,511 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:40:23,511 INFO L82 PathProgramCache]: Analyzing trace with hash -1302023394, now seen corresponding path program 1 times [2018-12-02 08:40:23,511 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:40:23,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:40:23,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:40:23,511 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:40:23,511 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:40:23,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:40:23,621 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 108 proven. 15 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-02 08:40:23,621 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:40:23,621 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:40:23,622 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 344 with the following transitions: [2018-12-02 08:40:23,622 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [53], [55], [56], [57], [58], [59], [61], [64], [66], [68], [69], [70], [74], [75], [76], [79], [81], [84], [87], [91], [94], [95], [99], [100], [101], [102], [111], [115], [119], [122], [125], [127], [133], [135], [138], [141], [144], [147], [155], [156], [157], [158], [159], [160], [161], [163], [168], [170], [171], [172], [173], [184], [187], [191], [194], [197], [226], [230], [231], [235], [238], [240], [243], [250], [253], [254], [255], [258], [262], [263], [266], [267], [268], [269], [270], [271], [272], [274], [275], [276], [277], [278], [279], [280], [281], [282], [286], [287], [288], [289], [290], [292], [293], [294], [295], [296], [297], [298], [299], [300], [301], [304], [305], [306], [307], [308], [309], [312], [313], [314], [315], [316], [317], [318], [319], [320], [321], [326], [327], [328], [330], [331], [332], [333], [336], [337] [2018-12-02 08:40:23,623 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:40:23,623 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:40:26,013 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 08:40:26,013 INFO L272 AbstractInterpreter]: Visited 145 different actions 1849 times. Merged at 32 different actions 286 times. Widened at 1 different actions 2 times. Performed 73940 root evaluator evaluations with a maximum evaluation depth of 5. Performed 73940 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 89 fixpoints after 10 different actions. Largest state had 135 variables. [2018-12-02 08:40:26,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:40:26,014 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 08:40:26,014 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:40:26,015 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e740e913-f90e-494e-a69b-def695e1c76a/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 08:40:26,020 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:40:26,021 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 08:40:26,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:40:26,105 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:40:26,179 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 256 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-12-02 08:40:26,179 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 08:40:26,393 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 108 proven. 15 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2018-12-02 08:40:26,408 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 08:40:26,408 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-12-02 08:40:26,408 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:40:26,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 08:40:26,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 08:40:26,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-02 08:40:26,409 INFO L87 Difference]: Start difference. First operand 1821 states and 2098 transitions. Second operand 6 states. [2018-12-02 08:40:26,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:40:26,442 INFO L93 Difference]: Finished difference Result 2200 states and 2519 transitions. [2018-12-02 08:40:26,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 08:40:26,443 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 343 [2018-12-02 08:40:26,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:40:26,443 INFO L225 Difference]: With dead ends: 2200 [2018-12-02 08:40:26,443 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 08:40:26,445 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 697 GetRequests, 681 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-12-02 08:40:26,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 08:40:26,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 08:40:26,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 08:40:26,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 08:40:26,446 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 343 [2018-12-02 08:40:26,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:40:26,446 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 08:40:26,446 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 08:40:26,446 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 08:40:26,446 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 08:40:26,449 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 08:40:26,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:40:26,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:40:26,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:40:26,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:40:26,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:40:26,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:40:26,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:40:26,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:40:26,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:40:26,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:40:26,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:40:26,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:40:26,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:40:26,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:40:26,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:40:26,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:40:26,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:40:26,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:40:26,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:40:26,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:40:26,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:40:26,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:40:26,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:40:26,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:40:26,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:40:26,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:40:26,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:40:26,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:40:26,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:40:26,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:40:27,318 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 40 [2018-12-02 08:40:28,082 WARN L180 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 49 [2018-12-02 08:40:28,673 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 26 [2018-12-02 08:40:28,927 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 30 [2018-12-02 08:40:29,126 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 38 [2018-12-02 08:40:29,811 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 29 [2018-12-02 08:40:29,884 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 994 1000) the Hoare annotation is: true [2018-12-02 08:40:29,884 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 994 1000) no Hoare annotation was computed. [2018-12-02 08:40:29,884 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 1001 1009) no Hoare annotation was computed. [2018-12-02 08:40:29,884 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 1001 1009) the Hoare annotation is: true [2018-12-02 08:40:29,884 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 1001 1009) no Hoare annotation was computed. [2018-12-02 08:40:29,884 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 524 531) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-12-02 08:40:29,884 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 524 531) no Hoare annotation was computed. [2018-12-02 08:40:29,884 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 524 531) no Hoare annotation was computed. [2018-12-02 08:40:29,884 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 532 541) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse7 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (not (= ~systemActive~0 1))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse6 .cse7 .cse3) (or .cse1 .cse2 .cse7 .cse6 .cse3) (or .cse0 .cse1 .cse4 .cse5 .cse3))) [2018-12-02 08:40:29,884 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 532 541) no Hoare annotation was computed. [2018-12-02 08:40:29,884 INFO L448 ceAbstractionStarter]: For program point L537(line 537) no Hoare annotation was computed. [2018-12-02 08:40:29,884 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 532 541) no Hoare annotation was computed. [2018-12-02 08:40:29,885 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 542 570) the Hoare annotation is: true [2018-12-02 08:40:29,885 INFO L444 ceAbstractionStarter]: At program point L557(line 557) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~systemActive~0 0))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or .cse2 .cse5 .cse3 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1) (or .cse5 (or .cse3 (or .cse2 .cse1))))) [2018-12-02 08:40:29,885 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 542 570) no Hoare annotation was computed. [2018-12-02 08:40:29,885 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 561) no Hoare annotation was computed. [2018-12-02 08:40:29,885 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 564) no Hoare annotation was computed. [2018-12-02 08:40:29,885 INFO L444 ceAbstractionStarter]: At program point L552(line 552) the Hoare annotation is: (let ((.cse4 (<= __utac_acc__Specification5_spec__3_~tmp~4 ~waterLevel~0)) (.cse3 (not (= ~waterLevel~0 1))) (.cse0 (not (= ~systemActive~0 1))) (.cse6 (not (= ~systemActive~0 0))) (.cse5 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse3 .cse4) (or .cse2 .cse0 .cse4 .cse5 .cse3) (or .cse2 .cse6 .cse5 .cse4 .cse3) (or .cse2 .cse0 .cse5 .cse1) (or .cse6 (or .cse5 (or .cse2 .cse1))))) [2018-12-02 08:40:29,885 INFO L448 ceAbstractionStarter]: For program point L552-1(line 552) no Hoare annotation was computed. [2018-12-02 08:40:29,885 INFO L448 ceAbstractionStarter]: For program point L550(lines 550 567) no Hoare annotation was computed. [2018-12-02 08:40:29,885 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 542 570) no Hoare annotation was computed. [2018-12-02 08:40:29,885 INFO L451 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: true [2018-12-02 08:40:29,885 INFO L448 ceAbstractionStarter]: For program point L548-1(line 548) no Hoare annotation was computed. [2018-12-02 08:40:29,886 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 08:40:29,886 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2018-12-02 08:40:29,886 INFO L444 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= main_~tmp~3 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 08:40:29,886 INFO L444 ceAbstractionStarter]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= main_~tmp~3 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 08:40:29,886 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 505) no Hoare annotation was computed. [2018-12-02 08:40:29,886 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2018-12-02 08:40:29,886 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-02 08:40:29,886 INFO L444 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 08:40:29,886 INFO L444 ceAbstractionStarter]: At program point L494(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 08:40:29,886 INFO L444 ceAbstractionStarter]: At program point L494-1(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 08:40:29,887 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2018-12-02 08:40:29,887 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 952 966) no Hoare annotation was computed. [2018-12-02 08:40:29,887 INFO L444 ceAbstractionStarter]: At program point L958(line 958) the Hoare annotation is: (let ((.cse1 (not (= ~waterLevel~0 2))) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1) (or (or (or (= |old(~systemActive~0)| 0) .cse1) (not (= 1 |old(~pumpRunning~0)|))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 0)))) (or .cse0 (not (= ~waterLevel~0 1))))) [2018-12-02 08:40:29,887 INFO L448 ceAbstractionStarter]: For program point L956(lines 956 962) no Hoare annotation was computed. [2018-12-02 08:40:29,887 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 952 966) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~waterLevel~0 2))) (.cse0 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1))) (or (or (or (= |old(~systemActive~0)| 0) .cse2) (not (= 1 |old(~pumpRunning~0)|))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= ~systemActive~0 0)))) (or (or .cse1 .cse2) .cse0))) [2018-12-02 08:40:29,887 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 952 966) no Hoare annotation was computed. [2018-12-02 08:40:29,887 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 869 877) no Hoare annotation was computed. [2018-12-02 08:40:29,887 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 869 877) the Hoare annotation is: true [2018-12-02 08:40:29,887 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 869 877) no Hoare annotation was computed. [2018-12-02 08:40:29,887 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 946) no Hoare annotation was computed. [2018-12-02 08:40:29,887 INFO L451 ceAbstractionStarter]: At program point L940(line 940) the Hoare annotation is: true [2018-12-02 08:40:29,887 INFO L448 ceAbstractionStarter]: For program point L942-2(lines 942 946) no Hoare annotation was computed. [2018-12-02 08:40:29,887 INFO L448 ceAbstractionStarter]: For program point L940-1(line 940) no Hoare annotation was computed. [2018-12-02 08:40:29,887 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 933 951) the Hoare annotation is: true [2018-12-02 08:40:29,887 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 933 951) no Hoare annotation was computed. [2018-12-02 08:40:29,887 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 933 951) no Hoare annotation was computed. [2018-12-02 08:40:29,887 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 987 993) no Hoare annotation was computed. [2018-12-02 08:40:29,887 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 987 993) the Hoare annotation is: true [2018-12-02 08:40:29,888 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 08:40:29,888 INFO L444 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 08:40:29,888 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2018-12-02 08:40:29,888 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2018-12-02 08:40:29,888 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 850 857) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse0 (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) (or (or (or (= ~systemActive~0 0) (not (= ~waterLevel~0 2))) .cse0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2018-12-02 08:40:29,888 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 850 857) no Hoare annotation was computed. [2018-12-02 08:40:29,888 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 850 857) no Hoare annotation was computed. [2018-12-02 08:40:29,888 INFO L444 ceAbstractionStarter]: At program point L831(line 831) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-12-02 08:40:29,888 INFO L444 ceAbstractionStarter]: At program point L827(line 827) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (and (<= 1 processEnvironment_~tmp~7) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-12-02 08:40:29,888 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 833) no Hoare annotation was computed. [2018-12-02 08:40:29,888 INFO L444 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-12-02 08:40:29,888 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 817 841) no Hoare annotation was computed. [2018-12-02 08:40:29,888 INFO L448 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2018-12-02 08:40:29,888 INFO L448 ceAbstractionStarter]: For program point L821(lines 821 838) no Hoare annotation was computed. [2018-12-02 08:40:29,889 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 817 841) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse0 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-12-02 08:40:29,889 INFO L444 ceAbstractionStarter]: At program point L836(line 836) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-12-02 08:40:29,889 INFO L448 ceAbstractionStarter]: For program point L836-1(lines 817 841) no Hoare annotation was computed. [2018-12-02 08:40:29,889 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 656 669) no Hoare annotation was computed. [2018-12-02 08:40:29,889 INFO L448 ceAbstractionStarter]: For program point L660(lines 660 666) no Hoare annotation was computed. [2018-12-02 08:40:29,889 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 656 669) the Hoare annotation is: true [2018-12-02 08:40:29,889 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 656 669) no Hoare annotation was computed. [2018-12-02 08:40:29,889 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 783 789) no Hoare annotation was computed. [2018-12-02 08:40:29,889 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 783 789) the Hoare annotation is: true [2018-12-02 08:40:29,889 INFO L444 ceAbstractionStarter]: At program point L704(line 704) the Hoare annotation is: (let ((.cse8 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (let ((.cse6 (and .cse8 .cse1 .cse2)) (.cse0 (= 2 ~waterLevel~0)) (.cse7 (= 1 ~waterLevel~0)) (.cse3 (and .cse8 .cse2)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse4 (= 0 ~systemActive~0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse4 .cse5) (and .cse6 .cse7) (and .cse6 .cse0 .cse5) (not (= |old(~waterLevel~0)| 1)) (and (and .cse7 .cse3 .cse5) .cse4)))) [2018-12-02 08:40:29,889 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 682 749) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 08:40:29,889 INFO L448 ceAbstractionStarter]: For program point L702(lines 702 708) no Hoare annotation was computed. [2018-12-02 08:40:29,889 INFO L448 ceAbstractionStarter]: For program point L702-1(lines 702 708) no Hoare annotation was computed. [2018-12-02 08:40:29,889 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 682 749) no Hoare annotation was computed. [2018-12-02 08:40:29,889 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 698) no Hoare annotation was computed. [2018-12-02 08:40:29,889 INFO L444 ceAbstractionStarter]: At program point L742(lines 691 743) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 08:40:29,890 INFO L444 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 1) (and (not (= ~systemActive~0 0)) .cse0 .cse1)) (not (= |old(~systemActive~0)| 1)) (and .cse2 .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-12-02 08:40:29,890 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 736) no Hoare annotation was computed. [2018-12-02 08:40:29,890 INFO L444 ceAbstractionStarter]: At program point L730-1(lines 722 737) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= 0 ~systemActive~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (and (and .cse3 .cse0 .cse2) .cse4) (and .cse3 .cse5 .cse1 .cse2) (and .cse3 .cse5 .cse2 .cse4) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)))) [2018-12-02 08:40:29,890 INFO L448 ceAbstractionStarter]: For program point L693(lines 692 741) no Hoare annotation was computed. [2018-12-02 08:40:29,890 INFO L444 ceAbstractionStarter]: At program point L724(line 724) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse2 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (and .cse2 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse2 .cse1))) [2018-12-02 08:40:29,890 INFO L448 ceAbstractionStarter]: For program point L722(lines 722 737) no Hoare annotation was computed. [2018-12-02 08:40:29,890 INFO L444 ceAbstractionStarter]: At program point L714(line 714) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse6 (= 0 ~systemActive~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse2) (and (and (and .cse3 .cse0 .cse2) .cse5) .cse6) (and .cse3 .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse6 .cse5) (not (= |old(~waterLevel~0)| 1)))) [2018-12-02 08:40:29,890 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 718) no Hoare annotation was computed. [2018-12-02 08:40:29,890 INFO L448 ceAbstractionStarter]: For program point L712-1(lines 712 718) no Hoare annotation was computed. [2018-12-02 08:40:29,890 INFO L444 ceAbstractionStarter]: At program point L739(lines 692 741) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and (and .cse0 .cse3 .cse2) .cse4 .cse5) (and .cse0 (= 1 ~waterLevel~0) .cse2 .cse4 .cse5) (and .cse3 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse3 .cse1 .cse2 .cse5) (not (= |old(~waterLevel~0)| 1)))) [2018-12-02 08:40:29,890 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 682 749) no Hoare annotation was computed. [2018-12-02 08:40:29,890 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 670 678) no Hoare annotation was computed. [2018-12-02 08:40:29,890 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 670 678) the Hoare annotation is: true [2018-12-02 08:40:29,890 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 670 678) no Hoare annotation was computed. [2018-12-02 08:40:29,890 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 08:40:29,890 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-12-02 08:40:29,891 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 08:40:29,891 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 842 849) no Hoare annotation was computed. [2018-12-02 08:40:29,891 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 842 849) no Hoare annotation was computed. [2018-12-02 08:40:29,891 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 842 849) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~waterLevel~0 2))) [2018-12-02 08:40:29,891 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 914 932) no Hoare annotation was computed. [2018-12-02 08:40:29,891 INFO L448 ceAbstractionStarter]: For program point L923(lines 923 927) no Hoare annotation was computed. [2018-12-02 08:40:29,891 INFO L451 ceAbstractionStarter]: At program point L921(line 921) the Hoare annotation is: true [2018-12-02 08:40:29,891 INFO L448 ceAbstractionStarter]: For program point L923-2(lines 923 927) no Hoare annotation was computed. [2018-12-02 08:40:29,891 INFO L448 ceAbstractionStarter]: For program point L921-1(line 921) no Hoare annotation was computed. [2018-12-02 08:40:29,891 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 914 932) the Hoare annotation is: true [2018-12-02 08:40:29,891 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 914 932) no Hoare annotation was computed. [2018-12-02 08:40:29,891 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 647 655) the Hoare annotation is: true [2018-12-02 08:40:29,891 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 647 655) no Hoare annotation was computed. [2018-12-02 08:40:29,891 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 647 655) no Hoare annotation was computed. [2018-12-02 08:40:29,891 INFO L448 ceAbstractionStarter]: For program point L607-1(lines 603 614) no Hoare annotation was computed. [2018-12-02 08:40:29,891 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 603 614) the Hoare annotation is: true [2018-12-02 08:40:29,891 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 603 614) no Hoare annotation was computed. [2018-12-02 08:40:29,891 INFO L444 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= ~systemActive~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse0 .cse4 .cse3) (or (and (= ~pumpRunning~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse2) .cse4))) [2018-12-02 08:40:29,891 INFO L448 ceAbstractionStarter]: For program point L763(lines 759 781) no Hoare annotation was computed. [2018-12-02 08:40:29,892 INFO L448 ceAbstractionStarter]: For program point L761(lines 759 781) no Hoare annotation was computed. [2018-12-02 08:40:29,892 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 756 782) the Hoare annotation is: (let ((.cse12 (= 0 ~pumpRunning~0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (and .cse12 .cse9)) (.cse7 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse8 (<= 1 ~switchedOnBeforeTS~0)) (.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse3 (and .cse12 (= 2 ~waterLevel~0))) (.cse6 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 0))) (.cse11 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse10 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse5 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1) .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse5) (or .cse0 .cse6 .cse4 .cse5) (or .cse7 .cse0 .cse8 .cse6 .cse5) (or (and (= ~pumpRunning~0 1) .cse9) (or (or .cse6 .cse1) (not (= 1 |old(~pumpRunning~0)|)))) (or .cse7 .cse0 .cse2 .cse5 .cse8) (or (or .cse0 .cse6 .cse1) .cse3) (or .cse0 .cse6 .cse10 .cse11 .cse5) (or .cse0 .cse2 .cse11 .cse10 .cse5)))) [2018-12-02 08:40:29,892 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 756 782) no Hoare annotation was computed. [2018-12-02 08:40:29,892 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 756 782) no Hoare annotation was computed. [2018-12-02 08:40:29,892 INFO L444 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse1 (not (= ~systemActive~0 1))) (.cse4 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (= ~systemActive~0 0)))) (and (or (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse3 .cse1 .cse2) .cse4) (or .cse3 .cse5 .cse6) (or .cse3 .cse1 .cse4 .cse6) (or (or .cse3 .cse2) .cse5)))) [2018-12-02 08:40:29,892 INFO L444 ceAbstractionStarter]: At program point L770(lines 770 776) the Hoare annotation is: (let ((.cse5 (= 0 ~pumpRunning~0)) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 0))) (.cse3 (and .cse5 .cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse7 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1 .cse2) .cse3 (and (= ~pumpRunning~0 1) .cse4)) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) (and (<= 1 ~switchedOnBeforeTS~0) .cse5 (= 1 ~waterLevel~0))) (or .cse3 (or .cse0 .cse2) .cse6) (or .cse0 .cse1 .cse3 .cse7) (or .cse0 .cse6 .cse3 .cse7)))) [2018-12-02 08:40:29,892 INFO L451 ceAbstractionStarter]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2018-12-02 08:40:29,892 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2018-12-02 08:40:29,892 INFO L451 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: true [2018-12-02 08:40:29,892 INFO L448 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2018-12-02 08:40:29,892 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2018-12-02 08:40:29,892 INFO L451 ceAbstractionStarter]: At program point L433(lines 408 437) the Hoare annotation is: true [2018-12-02 08:40:29,892 INFO L448 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2018-12-02 08:40:29,892 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2018-12-02 08:40:29,893 INFO L451 ceAbstractionStarter]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2018-12-02 08:40:29,893 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-02 08:40:29,893 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 579 590) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-12-02 08:40:29,893 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 579 590) no Hoare annotation was computed. [2018-12-02 08:40:29,893 INFO L448 ceAbstractionStarter]: For program point L583-1(lines 579 590) no Hoare annotation was computed. [2018-12-02 08:40:29,893 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2018-12-02 08:40:29,893 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2018-12-02 08:40:29,893 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 08:40:29,893 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)) [2018-12-02 08:40:29,893 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 08:40:29,893 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 08:40:29,893 INFO L444 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) [2018-12-02 08:40:29,893 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 791 815) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) .cse2))) [2018-12-02 08:40:29,893 INFO L448 ceAbstractionStarter]: For program point L799(lines 799 807) no Hoare annotation was computed. [2018-12-02 08:40:29,893 INFO L444 ceAbstractionStarter]: At program point L797(line 797) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) .cse2))) [2018-12-02 08:40:29,893 INFO L448 ceAbstractionStarter]: For program point L797-1(line 797) no Hoare annotation was computed. [2018-12-02 08:40:29,893 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 791 815) no Hoare annotation was computed. [2018-12-02 08:40:29,893 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 812) no Hoare annotation was computed. [2018-12-02 08:40:29,894 INFO L444 ceAbstractionStarter]: At program point L810(line 810) 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))))) [2018-12-02 08:40:29,894 INFO L448 ceAbstractionStarter]: For program point L810-1(lines 791 815) no Hoare annotation was computed. [2018-12-02 08:40:29,894 INFO L444 ceAbstractionStarter]: At program point L805(line 805) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 (or .cse2 .cse3 (not (= ~waterLevel~0 2))))) (or .cse2 .cse0 .cse3 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-02 08:40:29,894 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 967 974) no Hoare annotation was computed. [2018-12-02 08:40:29,894 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 967 974) the Hoare annotation is: true [2018-12-02 08:40:29,894 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 967 974) no Hoare annotation was computed. [2018-12-02 08:40:29,894 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 591 602) no Hoare annotation was computed. [2018-12-02 08:40:29,894 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 591 602) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 0))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or (or .cse3 .cse1 .cse4) .cse0) (or .cse0 .cse5 .cse6 .cse3 .cse2) (or .cse5 (or .cse4 .cse3) .cse6 .cse0) (or .cse0 (or .cse3 .cse1) .cse6 .cse2))) [2018-12-02 08:40:29,894 INFO L448 ceAbstractionStarter]: For program point L595-1(lines 591 602) no Hoare annotation was computed. [2018-12-02 08:40:29,894 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 512 519) no Hoare annotation was computed. [2018-12-02 08:40:29,894 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 512 519) the Hoare annotation is: true [2018-12-02 08:40:29,894 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2018-12-02 08:40:29,894 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 512 519) no Hoare annotation was computed. [2018-12-02 08:40:29,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:40:29 BoogieIcfgContainer [2018-12-02 08:40:29,904 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 08:40:29,904 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 08:40:29,905 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 08:40:29,905 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 08:40:29,905 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:40:11" (3/4) ... [2018-12-02 08:40:29,908 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 08:40:29,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 08:40:29,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 08:40:29,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-02 08:40:29,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-02 08:40:29,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-02 08:40:29,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 08:40:29,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-02 08:40:29,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 08:40:29,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-02 08:40:29,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 08:40:29,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 08:40:29,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 08:40:29,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 08:40:29,912 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 08:40:29,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 08:40:29,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 08:40:29,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-02 08:40:29,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 08:40:29,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 08:40:29,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 08:40:29,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-02 08:40:29,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 08:40:29,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 08:40:29,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 08:40:29,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 08:40:29,913 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 08:40:29,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 08:40:29,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-02 08:40:29,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 08:40:29,914 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 08:40:29,918 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-12-02 08:40:29,919 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-02 08:40:29,919 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-02 08:40:29,919 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 08:40:29,919 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 08:40:29,920 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 08:40:29,938 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && 0 == systemActive) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && 1 == waterLevel) && splverifierCounter == 0) && 0 == systemActive) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-12-02 08:40:29,938 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-02 08:40:29,972 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e740e913-f90e-494e-a69b-def695e1c76a/bin-2019/utaipan/witness.graphml [2018-12-02 08:40:29,972 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 08:40:29,973 INFO L168 Benchmark]: Toolchain (without parser) took 18938.19 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.7 GB). Free memory was 948.1 MB in the beginning and 1.3 GB in the end (delta: -381.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-02 08:40:29,973 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:40:29,974 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -158.6 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. [2018-12-02 08:40:29,974 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.00 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:40:29,974 INFO L168 Benchmark]: Boogie Preprocessor took 20.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. [2018-12-02 08:40:29,974 INFO L168 Benchmark]: RCFGBuilder took 329.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.7 MB). Peak memory consumption was 58.7 MB. Max. memory is 11.5 GB. [2018-12-02 08:40:29,974 INFO L168 Benchmark]: TraceAbstraction took 18209.82 ms. Allocated memory was 1.1 GB in the beginning and 2.7 GB in the end (delta: 1.6 GB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -285.0 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-12-02 08:40:29,975 INFO L168 Benchmark]: Witness Printer took 67.74 ms. Allocated memory is still 2.7 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:40:29,976 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 288.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 120.1 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -158.6 MB). Peak memory consumption was 28.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.00 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.6 MB). Peak memory consumption was 3.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 329.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 58.7 MB). Peak memory consumption was 58.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18209.82 ms. Allocated memory was 1.1 GB in the beginning and 2.7 GB in the end (delta: 1.6 GB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -285.0 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * Witness Printer took 67.74 ms. Allocated memory is still 2.7 GB. Free memory is still 1.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 516]: 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: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 692]: Loop Invariant Derived loop invariant: (((((((((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && 0 == systemActive) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && 1 == waterLevel) && splverifierCounter == 0) && 0 == systemActive) && switchedOnBeforeTS == pumpRunning)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 161 locations, 1 error locations. SAFE Result, 18.1s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 4.1s AutomataDifference, 0.0s DeadEndRemovalTime, 3.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 2550 SDtfs, 2380 SDslu, 7331 SDs, 0 SdLazy, 5567 SolverSat, 1152 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2436 GetRequests, 2260 SyntacticMatches, 22 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 870 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2969occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.9s AbstIntTime, 4 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 850 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 66 LocationsWithAnnotation, 4595 PreInvPairs, 4754 NumberOfFragments, 2331 HoareAnnotationTreeSize, 4595 FomulaSimplifications, 16557 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 66 FomulaSimplificationsInter, 29702 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2876 NumberOfCodeBlocks, 2876 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3979 ConstructedInterpolants, 0 QuantifiedInterpolants, 1351335 SizeOfPredicates, 13 NumberOfNonLiveVariables, 4906 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 20 InterpolantComputations, 11 PerfectInterpolantSequences, 3776/3903 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...