./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product38_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_634d35ae-383d-4d13-9564-57bddc37988d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_634d35ae-383d-4d13-9564-57bddc37988d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_634d35ae-383d-4d13-9564-57bddc37988d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_634d35ae-383d-4d13-9564-57bddc37988d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product38_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_634d35ae-383d-4d13-9564-57bddc37988d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_634d35ae-383d-4d13-9564-57bddc37988d/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 23cbf887df70a1f42db96b12c0b9702076660a13 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 11:11:29,005 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 11:11:29,006 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 11:11:29,012 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 11:11:29,013 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 11:11:29,013 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 11:11:29,014 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 11:11:29,015 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 11:11:29,015 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 11:11:29,016 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 11:11:29,016 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 11:11:29,016 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 11:11:29,017 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 11:11:29,017 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 11:11:29,018 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 11:11:29,018 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 11:11:29,019 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 11:11:29,019 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 11:11:29,020 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 11:11:29,021 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 11:11:29,022 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 11:11:29,022 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 11:11:29,023 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 11:11:29,023 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 11:11:29,023 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 11:11:29,024 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 11:11:29,024 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 11:11:29,025 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 11:11:29,025 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 11:11:29,026 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 11:11:29,026 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 11:11:29,026 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 11:11:29,026 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 11:11:29,026 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 11:11:29,027 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 11:11:29,027 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 11:11:29,027 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_634d35ae-383d-4d13-9564-57bddc37988d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 11:11:29,034 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 11:11:29,035 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 11:11:29,035 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 11:11:29,035 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 11:11:29,035 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 11:11:29,035 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 11:11:29,035 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 11:11:29,036 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 11:11:29,036 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 11:11:29,036 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 11:11:29,036 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 11:11:29,036 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 11:11:29,036 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 11:11:29,036 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 11:11:29,036 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 11:11:29,036 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 11:11:29,037 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 11:11:29,037 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 11:11:29,037 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 11:11:29,037 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 11:11:29,037 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 11:11:29,037 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 11:11:29,037 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 11:11:29,037 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 11:11:29,037 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 11:11:29,037 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 11:11:29,037 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 11:11:29,038 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 11:11:29,038 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 11:11:29,038 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 11:11:29,038 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 11:11:29,038 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 11:11:29,038 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 11:11:29,038 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 11:11:29,038 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 11:11:29,038 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 11:11:29,038 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_634d35ae-383d-4d13-9564-57bddc37988d/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 -> 23cbf887df70a1f42db96b12c0b9702076660a13 [2018-12-09 11:11:29,055 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 11:11:29,062 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 11:11:29,064 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 11:11:29,065 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 11:11:29,065 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 11:11:29,065 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_634d35ae-383d-4d13-9564-57bddc37988d/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product38_true-unreach-call_false-termination.cil.c [2018-12-09 11:11:29,099 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_634d35ae-383d-4d13-9564-57bddc37988d/bin-2019/utaipan/data/a301e6530/8ff3970c609942279d334f62ed8ec3d8/FLAG066e8f196 [2018-12-09 11:11:29,501 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 11:11:29,501 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_634d35ae-383d-4d13-9564-57bddc37988d/sv-benchmarks/c/product-lines/minepump_spec3_product38_true-unreach-call_false-termination.cil.c [2018-12-09 11:11:29,507 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_634d35ae-383d-4d13-9564-57bddc37988d/bin-2019/utaipan/data/a301e6530/8ff3970c609942279d334f62ed8ec3d8/FLAG066e8f196 [2018-12-09 11:11:29,515 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_634d35ae-383d-4d13-9564-57bddc37988d/bin-2019/utaipan/data/a301e6530/8ff3970c609942279d334f62ed8ec3d8 [2018-12-09 11:11:29,517 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 11:11:29,518 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 11:11:29,518 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 11:11:29,519 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 11:11:29,521 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 11:11:29,521 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:11:29" (1/1) ... [2018-12-09 11:11:29,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:11:29, skipping insertion in model container [2018-12-09 11:11:29,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 11:11:29" (1/1) ... [2018-12-09 11:11:29,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 11:11:29,549 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 11:11:29,719 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:11:29,763 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 11:11:29,809 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 11:11:29,826 INFO L195 MainTranslator]: Completed translation [2018-12-09 11:11:29,826 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:11:29 WrapperNode [2018-12-09 11:11:29,826 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 11:11:29,826 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 11:11:29,827 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 11:11:29,827 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 11:11:29,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:11:29" (1/1) ... [2018-12-09 11:11:29,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:11:29" (1/1) ... [2018-12-09 11:11:29,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 11:11:29,845 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 11:11:29,845 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 11:11:29,845 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 11:11:29,851 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:11:29" (1/1) ... [2018-12-09 11:11:29,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:11:29" (1/1) ... [2018-12-09 11:11:29,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:11:29" (1/1) ... [2018-12-09 11:11:29,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:11:29" (1/1) ... [2018-12-09 11:11:29,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:11:29" (1/1) ... [2018-12-09 11:11:29,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:11:29" (1/1) ... [2018-12-09 11:11:29,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:11:29" (1/1) ... [2018-12-09 11:11:29,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 11:11:29,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 11:11:29,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 11:11:29,866 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 11:11:29,866 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:11:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_634d35ae-383d-4d13-9564-57bddc37988d/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 [2018-12-09 11:11:29,896 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 11:11:29,896 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 11:11:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 11:11:29,897 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 11:11:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 11:11:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 11:11:29,897 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 11:11:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 11:11:29,897 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 11:11:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 11:11:29,897 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 11:11:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 11:11:29,897 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 11:11:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 11:11:29,897 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 11:11:29,897 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 11:11:29,897 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 11:11:29,898 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 11:11:29,898 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 11:11:29,898 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 11:11:29,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 11:11:29,898 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 11:11:29,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 11:11:29,898 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 11:11:29,898 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 11:11:29,898 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 11:11:29,898 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 11:11:29,898 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 11:11:29,898 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 11:11:29,898 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 11:11:29,898 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 11:11:29,898 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 11:11:29,898 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 11:11:29,899 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 11:11:29,899 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 11:11:29,899 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 11:11:29,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 11:11:29,899 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 11:11:29,899 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 11:11:29,899 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 11:11:29,899 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 11:11:29,899 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 11:11:29,899 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 11:11:29,899 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 11:11:29,899 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 11:11:29,899 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 11:11:29,899 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 11:11:29,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 11:11:29,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 11:11:29,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 11:11:29,900 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 11:11:29,900 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 11:11:29,900 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-09 11:11:29,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-09 11:11:29,900 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 11:11:29,900 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 11:11:29,900 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 11:11:29,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 11:11:30,188 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 11:11:30,189 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 11:11:30,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:11:30 BoogieIcfgContainer [2018-12-09 11:11:30,189 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 11:11:30,189 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 11:11:30,189 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 11:11:30,191 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 11:11:30,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 11:11:29" (1/3) ... [2018-12-09 11:11:30,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b7d4fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:11:30, skipping insertion in model container [2018-12-09 11:11:30,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 11:11:29" (2/3) ... [2018-12-09 11:11:30,192 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51b7d4fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 11:11:30, skipping insertion in model container [2018-12-09 11:11:30,192 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:11:30" (3/3) ... [2018-12-09 11:11:30,193 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product38_true-unreach-call_false-termination.cil.c [2018-12-09 11:11:30,199 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 11:11:30,204 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 11:11:30,213 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 11:11:30,231 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 11:11:30,231 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 11:11:30,232 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 11:11:30,232 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 11:11:30,232 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 11:11:30,232 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 11:11:30,232 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 11:11:30,232 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 11:11:30,244 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states. [2018-12-09 11:11:30,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 11:11:30,249 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:11:30,250 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:11:30,251 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:11:30,254 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:11:30,255 INFO L82 PathProgramCache]: Analyzing trace with hash -1964554261, now seen corresponding path program 1 times [2018-12-09 11:11:30,256 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:11:30,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:11:30,282 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:11:30,282 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:11:30,283 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:11:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:11:30,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:11:30,396 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:11:30,396 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 11:11:30,396 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:11:30,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 11:11:30,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 11:11:30,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 11:11:30,408 INFO L87 Difference]: Start difference. First operand 146 states. Second operand 2 states. [2018-12-09 11:11:30,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:11:30,430 INFO L93 Difference]: Finished difference Result 266 states and 329 transitions. [2018-12-09 11:11:30,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 11:11:30,431 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-09 11:11:30,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:11:30,437 INFO L225 Difference]: With dead ends: 266 [2018-12-09 11:11:30,437 INFO L226 Difference]: Without dead ends: 133 [2018-12-09 11:11:30,440 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 [2018-12-09 11:11:30,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-12-09 11:11:30,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-12-09 11:11:30,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-12-09 11:11:30,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 156 transitions. [2018-12-09 11:11:30,469 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 156 transitions. Word has length 52 [2018-12-09 11:11:30,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:11:30,469 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 156 transitions. [2018-12-09 11:11:30,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 11:11:30,469 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 156 transitions. [2018-12-09 11:11:30,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 11:11:30,471 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:11:30,471 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:11:30,471 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:11:30,471 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:11:30,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1078735596, now seen corresponding path program 1 times [2018-12-09 11:11:30,471 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:11:30,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:11:30,472 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:11:30,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:11:30,472 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:11:30,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:11:30,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:11:30,528 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:11:30,529 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 11:11:30,529 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:11:30,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 11:11:30,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 11:11:30,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 11:11:30,530 INFO L87 Difference]: Start difference. First operand 133 states and 156 transitions. Second operand 3 states. [2018-12-09 11:11:30,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:11:30,542 INFO L93 Difference]: Finished difference Result 211 states and 247 transitions. [2018-12-09 11:11:30,543 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 11:11:30,543 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-09 11:11:30,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:11:30,544 INFO L225 Difference]: With dead ends: 211 [2018-12-09 11:11:30,544 INFO L226 Difference]: Without dead ends: 124 [2018-12-09 11:11:30,545 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 [2018-12-09 11:11:30,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-12-09 11:11:30,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-12-09 11:11:30,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-12-09 11:11:30,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 144 transitions. [2018-12-09 11:11:30,552 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 144 transitions. Word has length 53 [2018-12-09 11:11:30,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:11:30,552 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 144 transitions. [2018-12-09 11:11:30,552 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 11:11:30,552 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2018-12-09 11:11:30,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 11:11:30,553 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:11:30,553 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:11:30,553 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:11:30,553 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:11:30,554 INFO L82 PathProgramCache]: Analyzing trace with hash -366396523, now seen corresponding path program 1 times [2018-12-09 11:11:30,554 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:11:30,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:11:30,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:11:30,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:11:30,554 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:11:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:11:30,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:11:30,629 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:11:30,630 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 11:11:30,630 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:11:30,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 11:11:30,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 11:11:30,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 11:11:30,630 INFO L87 Difference]: Start difference. First operand 124 states and 144 transitions. Second operand 7 states. [2018-12-09 11:11:30,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:11:30,795 INFO L93 Difference]: Finished difference Result 224 states and 265 transitions. [2018-12-09 11:11:30,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 11:11:30,796 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-12-09 11:11:30,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:11:30,797 INFO L225 Difference]: With dead ends: 224 [2018-12-09 11:11:30,797 INFO L226 Difference]: Without dead ends: 124 [2018-12-09 11:11:30,797 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 [2018-12-09 11:11:30,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-12-09 11:11:30,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-12-09 11:11:30,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-12-09 11:11:30,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 143 transitions. [2018-12-09 11:11:30,804 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 143 transitions. Word has length 58 [2018-12-09 11:11:30,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:11:30,804 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 143 transitions. [2018-12-09 11:11:30,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 11:11:30,805 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 143 transitions. [2018-12-09 11:11:30,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 11:11:30,806 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:11:30,806 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:11:30,806 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:11:30,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:11:30,806 INFO L82 PathProgramCache]: Analyzing trace with hash -412527028, now seen corresponding path program 1 times [2018-12-09 11:11:30,806 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:11:30,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:11:30,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:11:30,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:11:30,807 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:11:30,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:11:30,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:11:30,868 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:11:30,868 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 11:11:30,868 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:11:30,868 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 11:11:30,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 11:11:30,869 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 11:11:30,869 INFO L87 Difference]: Start difference. First operand 124 states and 143 transitions. Second operand 5 states. [2018-12-09 11:11:31,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:11:31,177 INFO L93 Difference]: Finished difference Result 335 states and 403 transitions. [2018-12-09 11:11:31,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 11:11:31,177 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-12-09 11:11:31,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:11:31,179 INFO L225 Difference]: With dead ends: 335 [2018-12-09 11:11:31,179 INFO L226 Difference]: Without dead ends: 235 [2018-12-09 11:11:31,180 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 11:11:31,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-12-09 11:11:31,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 216. [2018-12-09 11:11:31,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2018-12-09 11:11:31,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 246 transitions. [2018-12-09 11:11:31,201 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 246 transitions. Word has length 71 [2018-12-09 11:11:31,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:11:31,201 INFO L480 AbstractCegarLoop]: Abstraction has 216 states and 246 transitions. [2018-12-09 11:11:31,201 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 11:11:31,201 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 246 transitions. [2018-12-09 11:11:31,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-09 11:11:31,203 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:11:31,203 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:11:31,203 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:11:31,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:11:31,204 INFO L82 PathProgramCache]: Analyzing trace with hash 985720040, now seen corresponding path program 1 times [2018-12-09 11:11:31,204 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:11:31,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:11:31,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:11:31,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:11:31,205 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:11:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:11:31,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:11:31,267 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:11:31,267 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 11:11:31,267 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:11:31,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 11:11:31,268 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 11:11:31,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 11:11:31,268 INFO L87 Difference]: Start difference. First operand 216 states and 246 transitions. Second operand 6 states. [2018-12-09 11:11:31,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:11:31,393 INFO L93 Difference]: Finished difference Result 528 states and 633 transitions. [2018-12-09 11:11:31,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 11:11:31,393 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-12-09 11:11:31,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:11:31,395 INFO L225 Difference]: With dead ends: 528 [2018-12-09 11:11:31,396 INFO L226 Difference]: Without dead ends: 336 [2018-12-09 11:11:31,396 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 11:11:31,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2018-12-09 11:11:31,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 332. [2018-12-09 11:11:31,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2018-12-09 11:11:31,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 384 transitions. [2018-12-09 11:11:31,415 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 384 transitions. Word has length 85 [2018-12-09 11:11:31,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:11:31,415 INFO L480 AbstractCegarLoop]: Abstraction has 332 states and 384 transitions. [2018-12-09 11:11:31,415 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 11:11:31,415 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 384 transitions. [2018-12-09 11:11:31,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 11:11:31,416 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:11:31,417 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:11:31,417 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:11:31,417 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:11:31,417 INFO L82 PathProgramCache]: Analyzing trace with hash 134647598, now seen corresponding path program 1 times [2018-12-09 11:11:31,417 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:11:31,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:11:31,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:11:31,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:11:31,418 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:11:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:11:31,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:11:31,509 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:11:31,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 11:11:31,509 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:11:31,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 11:11:31,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 11:11:31,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 11:11:31,510 INFO L87 Difference]: Start difference. First operand 332 states and 384 transitions. Second operand 6 states. [2018-12-09 11:11:31,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:11:31,634 INFO L93 Difference]: Finished difference Result 711 states and 857 transitions. [2018-12-09 11:11:31,635 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 11:11:31,635 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-12-09 11:11:31,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:11:31,638 INFO L225 Difference]: With dead ends: 711 [2018-12-09 11:11:31,638 INFO L226 Difference]: Without dead ends: 519 [2018-12-09 11:11:31,639 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 11:11:31,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2018-12-09 11:11:31,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 501. [2018-12-09 11:11:31,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 501 states. [2018-12-09 11:11:31,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 593 transitions. [2018-12-09 11:11:31,671 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 593 transitions. Word has length 89 [2018-12-09 11:11:31,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:11:31,671 INFO L480 AbstractCegarLoop]: Abstraction has 501 states and 593 transitions. [2018-12-09 11:11:31,672 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 11:11:31,672 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 593 transitions. [2018-12-09 11:11:31,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 11:11:31,673 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:11:31,673 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:11:31,674 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:11:31,674 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:11:31,674 INFO L82 PathProgramCache]: Analyzing trace with hash -788035985, now seen corresponding path program 1 times [2018-12-09 11:11:31,674 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:11:31,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:11:31,675 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:11:31,675 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:11:31,675 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:11:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:11:31,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:11:31,728 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:11:31,728 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 11:11:31,729 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:11:31,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 11:11:31,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 11:11:31,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 11:11:31,729 INFO L87 Difference]: Start difference. First operand 501 states and 593 transitions. Second operand 5 states. [2018-12-09 11:11:31,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:11:31,753 INFO L93 Difference]: Finished difference Result 872 states and 1054 transitions. [2018-12-09 11:11:31,754 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 11:11:31,754 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2018-12-09 11:11:31,754 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:11:31,756 INFO L225 Difference]: With dead ends: 872 [2018-12-09 11:11:31,756 INFO L226 Difference]: Without dead ends: 511 [2018-12-09 11:11:31,757 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 11:11:31,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-12-09 11:11:31,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 505. [2018-12-09 11:11:31,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2018-12-09 11:11:31,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 596 transitions. [2018-12-09 11:11:31,773 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 596 transitions. Word has length 89 [2018-12-09 11:11:31,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:11:31,774 INFO L480 AbstractCegarLoop]: Abstraction has 505 states and 596 transitions. [2018-12-09 11:11:31,774 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 11:11:31,774 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 596 transitions. [2018-12-09 11:11:31,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 11:11:31,775 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:11:31,775 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:11:31,775 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:11:31,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:11:31,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1632041487, now seen corresponding path program 1 times [2018-12-09 11:11:31,776 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:11:31,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:11:31,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:11:31,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:11:31,777 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:11:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:11:31,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:11:31,845 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:11:31,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 11:11:31,846 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:11:31,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 11:11:31,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 11:11:31,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 11:11:31,847 INFO L87 Difference]: Start difference. First operand 505 states and 596 transitions. Second operand 9 states. [2018-12-09 11:11:31,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:11:31,891 INFO L93 Difference]: Finished difference Result 992 states and 1194 transitions. [2018-12-09 11:11:31,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 11:11:31,892 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2018-12-09 11:11:31,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:11:31,894 INFO L225 Difference]: With dead ends: 992 [2018-12-09 11:11:31,895 INFO L226 Difference]: Without dead ends: 511 [2018-12-09 11:11:31,896 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-09 11:11:31,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-12-09 11:11:31,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 505. [2018-12-09 11:11:31,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2018-12-09 11:11:31,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 594 transitions. [2018-12-09 11:11:31,922 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 594 transitions. Word has length 89 [2018-12-09 11:11:31,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:11:31,923 INFO L480 AbstractCegarLoop]: Abstraction has 505 states and 594 transitions. [2018-12-09 11:11:31,923 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 11:11:31,923 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 594 transitions. [2018-12-09 11:11:31,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-09 11:11:31,925 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:11:31,925 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:11:31,925 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:11:31,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:11:31,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1949044827, now seen corresponding path program 1 times [2018-12-09 11:11:31,925 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:11:31,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:11:31,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:11:31,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:11:31,926 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:11:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:11:32,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 11:11:32,012 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 11:11:32,012 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 11:11:32,012 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:11:32,012 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 11:11:32,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 11:11:32,013 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 11:11:32,013 INFO L87 Difference]: Start difference. First operand 505 states and 594 transitions. Second operand 10 states. [2018-12-09 11:11:32,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:11:32,147 INFO L93 Difference]: Finished difference Result 992 states and 1170 transitions. [2018-12-09 11:11:32,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 11:11:32,148 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2018-12-09 11:11:32,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:11:32,150 INFO L225 Difference]: With dead ends: 992 [2018-12-09 11:11:32,150 INFO L226 Difference]: Without dead ends: 511 [2018-12-09 11:11:32,151 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-09 11:11:32,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-12-09 11:11:32,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 490. [2018-12-09 11:11:32,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 490 states. [2018-12-09 11:11:32,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 559 transitions. [2018-12-09 11:11:32,173 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 559 transitions. Word has length 90 [2018-12-09 11:11:32,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:11:32,174 INFO L480 AbstractCegarLoop]: Abstraction has 490 states and 559 transitions. [2018-12-09 11:11:32,174 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 11:11:32,174 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 559 transitions. [2018-12-09 11:11:32,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-09 11:11:32,176 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:11:32,176 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:11:32,176 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:11:32,176 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:11:32,177 INFO L82 PathProgramCache]: Analyzing trace with hash -315478544, now seen corresponding path program 1 times [2018-12-09 11:11:32,177 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:11:32,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:11:32,177 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:11:32,177 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:11:32,177 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:11:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:11:32,233 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 11:11:32,233 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:11:32,233 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 11:11:32,234 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 139 with the following transitions: [2018-12-09 11:11:32,235 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [23], [25], [26], [27], [28], [29], [32], [34], [35], [38], [40], [43], [50], [53], [55], [64], [68], [72], [75], [78], [80], [86], [88], [94], [97], [107], [108], [109], [110], [111], [112], [113], [115], [118], [122], [123], [131], [132], [161], [164], [168], [174], [175], [177], [180], [182], [184], [187], [189], [194], [200], [203], [207], [208], [212], [215], [217], [220], [230], [235], [239], [240], [243], [244], [245], [246], [247], [248], [249], [250], [251], [253], [255], [256], [257], [258], [259], [260], [263], [264], [265], [266], [271], [272], [275], [276], [281], [282], [283], [284], [285], [286], [287], [288], [289], [290], [291], [292], [293], [295], [296], [297], [299], [300], [301], [302] [2018-12-09 11:11:32,266 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 11:11:32,267 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 11:11:32,738 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 11:11:32,739 INFO L272 AbstractInterpreter]: Visited 86 different actions 139 times. Merged at 6 different actions 6 times. Never widened. Performed 6473 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6473 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-09 11:11:32,744 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:11:32,744 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 11:11:32,982 INFO L227 lantSequenceWeakener]: Weakened 105 states. On average, predicates are now at 96.69% of their original sizes. [2018-12-09 11:11:32,982 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 11:11:33,169 INFO L418 sIntCurrentIteration]: We unified 137 AI predicates to 137 [2018-12-09 11:11:33,169 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 11:11:33,170 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 11:11:33,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [26] imperfect sequences [6] total 30 [2018-12-09 11:11:33,170 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:11:33,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-12-09 11:11:33,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-12-09 11:11:33,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=548, Unknown=0, NotChecked=0, Total=650 [2018-12-09 11:11:33,171 INFO L87 Difference]: Start difference. First operand 490 states and 559 transitions. Second operand 26 states. [2018-12-09 11:11:36,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:11:36,284 INFO L93 Difference]: Finished difference Result 1172 states and 1374 transitions. [2018-12-09 11:11:36,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 11:11:36,284 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 138 [2018-12-09 11:11:36,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:11:36,286 INFO L225 Difference]: With dead ends: 1172 [2018-12-09 11:11:36,286 INFO L226 Difference]: Without dead ends: 706 [2018-12-09 11:11:36,287 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 145 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=171, Invalid=951, Unknown=0, NotChecked=0, Total=1122 [2018-12-09 11:11:36,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2018-12-09 11:11:36,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 673. [2018-12-09 11:11:36,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2018-12-09 11:11:36,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 762 transitions. [2018-12-09 11:11:36,307 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 762 transitions. Word has length 138 [2018-12-09 11:11:36,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:11:36,307 INFO L480 AbstractCegarLoop]: Abstraction has 673 states and 762 transitions. [2018-12-09 11:11:36,307 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-12-09 11:11:36,307 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 762 transitions. [2018-12-09 11:11:36,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 11:11:36,309 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:11:36,309 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:11:36,309 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:11:36,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:11:36,310 INFO L82 PathProgramCache]: Analyzing trace with hash -685132084, now seen corresponding path program 1 times [2018-12-09 11:11:36,310 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:11:36,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:11:36,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:11:36,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:11:36,310 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:11:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:11:36,364 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 11:11:36,365 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:11:36,365 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 11:11:36,365 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 143 with the following transitions: [2018-12-09 11:11:36,365 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [23], [25], [26], [27], [28], [29], [32], [34], [35], [38], [40], [43], [50], [53], [55], [64], [68], [72], [75], [78], [80], [83], [86], [88], [94], [97], [107], [108], [109], [110], [111], [112], [113], [115], [118], [122], [123], [128], [130], [131], [132], [161], [164], [168], [174], [175], [177], [180], [182], [184], [187], [189], [194], [200], [203], [207], [208], [212], [215], [217], [220], [230], [235], [239], [240], [243], [244], [245], [246], [247], [248], [249], [250], [251], [253], [255], [256], [257], [258], [259], [260], [263], [264], [265], [266], [267], [268], [271], [272], [275], [276], [281], [282], [283], [284], [285], [286], [287], [288], [289], [290], [291], [292], [293], [295], [296], [297], [299], [300], [301], [302] [2018-12-09 11:11:36,368 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 11:11:36,369 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 11:11:37,493 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 11:11:37,493 INFO L272 AbstractInterpreter]: Visited 120 different actions 621 times. Merged at 21 different actions 69 times. Never widened. Performed 33634 root evaluator evaluations with a maximum evaluation depth of 3. Performed 33634 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 14 fixpoints after 6 different actions. Largest state had 133 variables. [2018-12-09 11:11:37,498 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:11:37,499 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 11:11:37,499 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:11:37,499 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_634d35ae-383d-4d13-9564-57bddc37988d/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 [2018-12-09 11:11:37,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:11:37,506 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 11:11:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:11:37,585 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:11:37,663 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 11:11:37,663 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 11:11:37,849 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 11:11:37,865 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 11:11:37,865 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6, 9] total 16 [2018-12-09 11:11:37,865 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 11:11:37,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 11:11:37,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 11:11:37,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2018-12-09 11:11:37,866 INFO L87 Difference]: Start difference. First operand 673 states and 762 transitions. Second operand 8 states. [2018-12-09 11:11:38,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:11:38,442 INFO L93 Difference]: Finished difference Result 1514 states and 1838 transitions. [2018-12-09 11:11:38,442 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-09 11:11:38,442 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2018-12-09 11:11:38,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:11:38,446 INFO L225 Difference]: With dead ends: 1514 [2018-12-09 11:11:38,446 INFO L226 Difference]: Without dead ends: 1152 [2018-12-09 11:11:38,447 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 273 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2018-12-09 11:11:38,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1152 states. [2018-12-09 11:11:38,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1152 to 1050. [2018-12-09 11:11:38,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1050 states. [2018-12-09 11:11:38,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 1050 states and 1212 transitions. [2018-12-09 11:11:38,489 INFO L78 Accepts]: Start accepts. Automaton has 1050 states and 1212 transitions. Word has length 142 [2018-12-09 11:11:38,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:11:38,489 INFO L480 AbstractCegarLoop]: Abstraction has 1050 states and 1212 transitions. [2018-12-09 11:11:38,489 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 11:11:38,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1050 states and 1212 transitions. [2018-12-09 11:11:38,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-09 11:11:38,491 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 11:11:38,491 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 11:11:38,492 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 11:11:38,492 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:11:38,492 INFO L82 PathProgramCache]: Analyzing trace with hash -544472691, now seen corresponding path program 1 times [2018-12-09 11:11:38,492 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 11:11:38,492 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:11:38,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:11:38,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 11:11:38,493 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 11:11:38,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:11:38,579 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:11:38,579 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:11:38,579 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 11:11:38,579 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 139 with the following transitions: [2018-12-09 11:11:38,579 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [23], [25], [26], [27], [28], [29], [33], [34], [35], [38], [40], [43], [50], [53], [55], [64], [68], [72], [75], [78], [80], [86], [88], [94], [97], [107], [108], [109], [110], [111], [112], [113], [115], [120], [122], [123], [131], [132], [161], [164], [168], [174], [175], [177], [180], [182], [184], [187], [189], [194], [200], [203], [207], [208], [212], [215], [217], [220], [230], [235], [239], [240], [243], [244], [245], [246], [247], [248], [249], [250], [251], [253], [255], [256], [257], [258], [259], [260], [263], [264], [265], [266], [271], [272], [275], [276], [281], [282], [283], [284], [285], [286], [287], [288], [289], [290], [291], [292], [293], [295], [296], [297], [299], [300], [301], [302] [2018-12-09 11:11:38,582 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 11:11:38,582 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 11:11:38,770 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 11:11:38,770 INFO L272 AbstractInterpreter]: Visited 94 different actions 115 times. Merged at 6 different actions 6 times. Never widened. Performed 6189 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6189 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-09 11:11:38,772 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 11:11:38,772 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 11:11:38,772 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 11:11:38,772 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_634d35ae-383d-4d13-9564-57bddc37988d/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 [2018-12-09 11:11:38,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 11:11:38,781 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 11:11:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 11:11:38,858 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 11:11:38,941 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 11:11:38,941 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 11:11:39,149 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 11:11:39,165 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 11:11:39,165 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 11] total 20 [2018-12-09 11:11:39,165 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 11:11:39,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 11:11:39,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 11:11:39,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2018-12-09 11:11:39,166 INFO L87 Difference]: Start difference. First operand 1050 states and 1212 transitions. Second operand 15 states. [2018-12-09 11:11:40,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 11:11:40,538 INFO L93 Difference]: Finished difference Result 3449 states and 4772 transitions. [2018-12-09 11:11:40,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-12-09 11:11:40,538 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 138 [2018-12-09 11:11:40,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 11:11:40,539 INFO L225 Difference]: With dead ends: 3449 [2018-12-09 11:11:40,539 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 11:11:40,546 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 266 SyntacticMatches, 12 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 517 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=484, Invalid=1868, Unknown=0, NotChecked=0, Total=2352 [2018-12-09 11:11:40,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 11:11:40,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 11:11:40,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 11:11:40,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 11:11:40,547 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 138 [2018-12-09 11:11:40,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 11:11:40,547 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 11:11:40,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 11:11:40,547 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 11:11:40,547 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 11:11:40,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 11:11:40,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,648 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:40,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 11:11:41,425 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 23 [2018-12-09 11:11:41,530 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 21 [2018-12-09 11:11:41,732 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 28 [2018-12-09 11:11:42,413 WARN L180 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 41 [2018-12-09 11:11:42,543 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 25 [2018-12-09 11:11:42,746 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 31 [2018-12-09 11:11:42,900 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 32 [2018-12-09 11:11:43,129 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 28 [2018-12-09 11:11:43,260 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 28 [2018-12-09 11:11:43,405 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 26 [2018-12-09 11:11:44,015 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 28 [2018-12-09 11:11:44,465 WARN L180 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 44 [2018-12-09 11:11:44,738 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 28 [2018-12-09 11:11:44,857 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-12-09 11:11:44,857 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-12-09 11:11:44,857 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-12-09 11:11:44,857 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-12-09 11:11:44,857 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-12-09 11:11:44,857 INFO L448 ceAbstractionStarter]: For program point L802-1(lines 802 809) no Hoare annotation was computed. [2018-12-09 11:11:44,857 INFO L448 ceAbstractionStarter]: For program point L800(line 800) no Hoare annotation was computed. [2018-12-09 11:11:44,857 INFO L444 ceAbstractionStarter]: At program point L799(line 799) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:11:44,857 INFO L444 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:11:44,857 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 792 814) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:11:44,857 INFO L444 ceAbstractionStarter]: At program point L798-1(line 798) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:11:44,857 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 792 814) no Hoare annotation was computed. [2018-12-09 11:11:44,857 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 792 814) no Hoare annotation was computed. [2018-12-09 11:11:44,858 INFO L444 ceAbstractionStarter]: At program point L804(line 804) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:11:44,858 INFO L444 ceAbstractionStarter]: At program point L804-1(line 804) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:11:44,858 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 809) no Hoare annotation was computed. [2018-12-09 11:11:44,858 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 272 280) no Hoare annotation was computed. [2018-12-09 11:11:44,858 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 272 280) the Hoare annotation is: true [2018-12-09 11:11:44,858 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 272 280) no Hoare annotation was computed. [2018-12-09 11:11:44,858 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-12-09 11:11:44,858 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-12-09 11:11:44,858 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 782 791) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:11:44,858 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 782 791) no Hoare annotation was computed. [2018-12-09 11:11:44,858 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 782 791) no Hoare annotation was computed. [2018-12-09 11:11:44,858 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 261 271) the Hoare annotation is: true [2018-12-09 11:11:44,858 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 261 271) no Hoare annotation was computed. [2018-12-09 11:11:44,858 INFO L451 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: true [2018-12-09 11:11:44,858 INFO L448 ceAbstractionStarter]: For program point L266-1(line 266) no Hoare annotation was computed. [2018-12-09 11:11:44,858 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 261 271) no Hoare annotation was computed. [2018-12-09 11:11:44,858 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 253 260) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-09 11:11:44,858 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 253 260) no Hoare annotation was computed. [2018-12-09 11:11:44,858 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 253 260) no Hoare annotation was computed. [2018-12-09 11:11:44,858 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 896 909) no Hoare annotation was computed. [2018-12-09 11:11:44,858 INFO L448 ceAbstractionStarter]: For program point L900(lines 900 906) no Hoare annotation was computed. [2018-12-09 11:11:44,859 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 896 909) the Hoare annotation is: true [2018-12-09 11:11:44,859 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 896 909) no Hoare annotation was computed. [2018-12-09 11:11:44,859 INFO L448 ceAbstractionStarter]: For program point L226-1(line 226) no Hoare annotation was computed. [2018-12-09 11:11:44,859 INFO L448 ceAbstractionStarter]: For program point L224(lines 224 241) no Hoare annotation was computed. [2018-12-09 11:11:44,859 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 220 244) no Hoare annotation was computed. [2018-12-09 11:11:44,859 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 220 244) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-12-09 11:11:44,859 INFO L444 ceAbstractionStarter]: At program point L239(line 239) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 11:11:44,859 INFO L448 ceAbstractionStarter]: For program point L239-1(lines 220 244) no Hoare annotation was computed. [2018-12-09 11:11:44,859 INFO L444 ceAbstractionStarter]: At program point L234(line 234) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 11:11:44,859 INFO L444 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 11:11:44,859 INFO L448 ceAbstractionStarter]: For program point L228(lines 228 236) no Hoare annotation was computed. [2018-12-09 11:11:44,859 INFO L444 ceAbstractionStarter]: At program point L226(line 226) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 11:11:44,859 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 186 192) no Hoare annotation was computed. [2018-12-09 11:11:44,859 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 186 192) the Hoare annotation is: true [2018-12-09 11:11:44,859 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 83 148) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:11:44,859 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 99) no Hoare annotation was computed. [2018-12-09 11:11:44,859 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 83 148) no Hoare annotation was computed. [2018-12-09 11:11:44,859 INFO L444 ceAbstractionStarter]: At program point L141(lines 92 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 11:11:44,859 INFO L448 ceAbstractionStarter]: For program point L131(lines 131 135) no Hoare annotation was computed. [2018-12-09 11:11:44,860 INFO L444 ceAbstractionStarter]: At program point L131-2(lines 123 136) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 2)) (.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (and (= ~pumpRunning~0 1) .cse0 .cse1) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) .cse2 .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 11:11:44,860 INFO L448 ceAbstractionStarter]: For program point L94(lines 93 140) no Hoare annotation was computed. [2018-12-09 11:11:44,860 INFO L444 ceAbstractionStarter]: At program point L125(line 125) the Hoare annotation is: (let ((.cse2 (<= ~waterLevel~0 2)) (.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (and (= ~pumpRunning~0 1) .cse0 .cse1) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) .cse2 .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 11:11:44,860 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 136) no Hoare annotation was computed. [2018-12-09 11:11:44,860 INFO L444 ceAbstractionStarter]: At program point L115(line 115) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse0 (and (= ~pumpRunning~0 1) .cse1 .cse2)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 11:11:44,860 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 119) no Hoare annotation was computed. [2018-12-09 11:11:44,860 INFO L448 ceAbstractionStarter]: For program point L113-1(lines 113 119) no Hoare annotation was computed. [2018-12-09 11:11:44,860 INFO L444 ceAbstractionStarter]: At program point L138(lines 93 140) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 11:11:44,860 INFO L444 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 11:11:44,860 INFO L448 ceAbstractionStarter]: For program point L103(lines 103 109) no Hoare annotation was computed. [2018-12-09 11:11:44,860 INFO L448 ceAbstractionStarter]: For program point L103-1(lines 103 109) no Hoare annotation was computed. [2018-12-09 11:11:44,860 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 83 148) no Hoare annotation was computed. [2018-12-09 11:11:44,860 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 11:11:44,860 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 11:11:44,860 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 11:11:44,860 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 245 252) no Hoare annotation was computed. [2018-12-09 11:11:44,860 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 245 252) no Hoare annotation was computed. [2018-12-09 11:11:44,860 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 245 252) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (not (= ~systemActive~0 1))) [2018-12-09 11:11:44,860 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 887 895) the Hoare annotation is: true [2018-12-09 11:11:44,860 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 887 895) no Hoare annotation was computed. [2018-12-09 11:11:44,861 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 887 895) no Hoare annotation was computed. [2018-12-09 11:11:44,861 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 317 335) no Hoare annotation was computed. [2018-12-09 11:11:44,861 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 330) no Hoare annotation was computed. [2018-12-09 11:11:44,861 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 317 335) the Hoare annotation is: true [2018-12-09 11:11:44,861 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 317 335) no Hoare annotation was computed. [2018-12-09 11:11:44,861 INFO L451 ceAbstractionStarter]: At program point L324(line 324) the Hoare annotation is: true [2018-12-09 11:11:44,861 INFO L448 ceAbstractionStarter]: For program point L326-2(lines 326 330) no Hoare annotation was computed. [2018-12-09 11:11:44,861 INFO L448 ceAbstractionStarter]: For program point L324-1(line 324) no Hoare annotation was computed. [2018-12-09 11:11:44,861 INFO L448 ceAbstractionStarter]: For program point L847-1(lines 843 854) no Hoare annotation was computed. [2018-12-09 11:11:44,861 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 843 854) the Hoare annotation is: (let ((.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse7 (= 0 ~methaneLevelCritical~0))) (let ((.cse1 (not .cse7)) (.cse5 (or (not (= 1 ~pumpRunning~0)) .cse4)) (.cse3 (< 2 ~waterLevel~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse3) (or .cse0 (= ~methaneLevelCritical~0 0) .cse4 .cse6 (not (= ~waterLevel~0 2))) (or .cse5 .cse3 .cse6 .cse7) (or .cse7 (< 1 ~waterLevel~0) .cse0 .cse4 .cse6)))) [2018-12-09 11:11:44,861 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 843 854) no Hoare annotation was computed. [2018-12-09 11:11:44,861 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 855 863) the Hoare annotation is: true [2018-12-09 11:11:44,861 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 855 863) no Hoare annotation was computed. [2018-12-09 11:11:44,861 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 855 863) no Hoare annotation was computed. [2018-12-09 11:11:44,861 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 721 750) no Hoare annotation was computed. [2018-12-09 11:11:44,861 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 739) no Hoare annotation was computed. [2018-12-09 11:11:44,861 INFO L451 ceAbstractionStarter]: At program point L735-1(lines 735 739) the Hoare annotation is: true [2018-12-09 11:11:44,861 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 721 750) the Hoare annotation is: true [2018-12-09 11:11:44,861 INFO L448 ceAbstractionStarter]: For program point L732(line 732) no Hoare annotation was computed. [2018-12-09 11:11:44,862 INFO L451 ceAbstractionStarter]: At program point L731-2(lines 731 745) the Hoare annotation is: true [2018-12-09 11:11:44,862 INFO L451 ceAbstractionStarter]: At program point L727(line 727) the Hoare annotation is: true [2018-12-09 11:11:44,862 INFO L448 ceAbstractionStarter]: For program point L727-1(line 727) no Hoare annotation was computed. [2018-12-09 11:11:44,862 INFO L451 ceAbstractionStarter]: At program point L746(lines 721 750) the Hoare annotation is: true [2018-12-09 11:11:44,862 INFO L448 ceAbstractionStarter]: For program point L742(line 742) no Hoare annotation was computed. [2018-12-09 11:11:44,862 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 162 185) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0) .cse3)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (or (not (= 1 |old(~pumpRunning~0)|)) .cse0) (< 2 |old(~waterLevel~0)|) .cse1) (or .cse1 (< 1 |old(~waterLevel~0)|) .cse2 .cse0) (or .cse2 (and (= ~waterLevel~0 2) .cse3) .cse0 (not (= |old(~waterLevel~0)| 2)))))) [2018-12-09 11:11:44,862 INFO L444 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (or (not (= 1 |old(~pumpRunning~0)|)) .cse5)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (and .cse2 .cse3)) (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse0 .cse1 (< |old(~waterLevel~0)| 1)) (or (and .cse2 (<= |old(~waterLevel~0)| ~waterLevel~0) .cse3) .cse0 .cse4 .cse5) (or (and (<= ~waterLevel~0 1) (<= 1 ~waterLevel~0) .cse3) (< 2 |old(~waterLevel~0)|) (or .cse1 (< |old(~waterLevel~0)| 2))) (or .cse4 (and (= ~waterLevel~0 2) .cse3) .cse5 (not (= |old(~waterLevel~0)| 2)))))) [2018-12-09 11:11:44,862 INFO L444 ceAbstractionStarter]: At program point L173(lines 173 179) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (let ((.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (< ~waterLevel~0 2)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse2 (or .cse0 .cse1))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1)))) (or .cse2 (and .cse3 (= 0 ~pumpRunning~0) .cse4) .cse5 (and .cse3 .cse4 .cse6)) (let ((.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse3 (= ~pumpRunning~0 1) .cse7) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse7 .cse6) .cse5 .cse1)) (or (<= 1 ~waterLevel~0) .cse5 (or .cse2 (< |old(~waterLevel~0)| 2)))))) [2018-12-09 11:11:44,862 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 162 185) no Hoare annotation was computed. [2018-12-09 11:11:44,862 INFO L444 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1)))) (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse2 (or (not (= 1 |old(~pumpRunning~0)|)) .cse1))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (< 1 |old(~waterLevel~0)|) .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (or .cse0 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse2)))) [2018-12-09 11:11:44,862 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 162 185) no Hoare annotation was computed. [2018-12-09 11:11:44,862 INFO L448 ceAbstractionStarter]: For program point L166(lines 165 184) no Hoare annotation was computed. [2018-12-09 11:11:44,862 INFO L444 ceAbstractionStarter]: At program point L928(line 928) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 .cse2 .cse1) (or (= ~methaneLevelCritical~0 0) .cse3 .cse2 .cse1) (or .cse3 (= __utac_acc__Specification3_spec__1_~tmp~8 ~methaneLevelCritical~0) .cse2 .cse1))) [2018-12-09 11:11:44,862 INFO L448 ceAbstractionStarter]: For program point L928-1(line 928) no Hoare annotation was computed. [2018-12-09 11:11:44,862 INFO L448 ceAbstractionStarter]: For program point L926(lines 926 939) no Hoare annotation was computed. [2018-12-09 11:11:44,862 INFO L448 ceAbstractionStarter]: For program point L926-1(lines 911 943) no Hoare annotation was computed. [2018-12-09 11:11:44,862 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 911 943) no Hoare annotation was computed. [2018-12-09 11:11:44,863 INFO L444 ceAbstractionStarter]: At program point L924(line 924) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (< 2 ~waterLevel~0)) (.cse6 (= __utac_acc__Specification3_spec__1_~tmp~8 ~methaneLevelCritical~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse5 .cse3) (or .cse0 .cse1 .cse6 .cse3) (or .cse4 .cse6 .cse5 .cse3))) [2018-12-09 11:11:44,863 INFO L448 ceAbstractionStarter]: For program point L924-1(line 924) no Hoare annotation was computed. [2018-12-09 11:11:44,863 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 911 943) the Hoare annotation is: true [2018-12-09 11:11:44,863 INFO L448 ceAbstractionStarter]: For program point L920(lines 920 940) no Hoare annotation was computed. [2018-12-09 11:11:44,863 INFO L451 ceAbstractionStarter]: At program point L918(line 918) the Hoare annotation is: true [2018-12-09 11:11:44,863 INFO L448 ceAbstractionStarter]: For program point L918-1(line 918) no Hoare annotation was computed. [2018-12-09 11:11:44,863 INFO L444 ceAbstractionStarter]: At program point L934(line 934) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0) (or (< 2 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0))) [2018-12-09 11:11:44,863 INFO L448 ceAbstractionStarter]: For program point L930(lines 930 936) no Hoare annotation was computed. [2018-12-09 11:11:44,863 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 819 830) the Hoare annotation is: (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))))) (and (or (<= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (or (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 .cse1 .cse2))) [2018-12-09 11:11:44,863 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 819 830) no Hoare annotation was computed. [2018-12-09 11:11:44,863 INFO L448 ceAbstractionStarter]: For program point L823-1(lines 819 830) no Hoare annotation was computed. [2018-12-09 11:11:44,863 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 775 781) no Hoare annotation was computed. [2018-12-09 11:11:44,863 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 775 781) the Hoare annotation is: true [2018-12-09 11:11:44,863 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 11:11:44,863 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~methaneLevelCritical~0 0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) (= ~systemActive~0 1) (< ~waterLevel~0 2)) [2018-12-09 11:11:44,863 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 11:11:44,863 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 11:11:44,863 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 194 218) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-12-09 11:11:44,863 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 194 218) no Hoare annotation was computed. [2018-12-09 11:11:44,863 INFO L444 ceAbstractionStarter]: At program point L213(line 213) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 11:11:44,863 INFO L448 ceAbstractionStarter]: For program point L213-1(lines 194 218) no Hoare annotation was computed. [2018-12-09 11:11:44,864 INFO L444 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 11:11:44,864 INFO L444 ceAbstractionStarter]: At program point L204(line 204) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (and (= processEnvironment__wrappee__highWaterSensor_~tmp~1 1) .cse2) (not (= ~waterLevel~0 2))) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or (or (<= 2 ~waterLevel~0) .cse0 .cse1) .cse2))) [2018-12-09 11:11:44,864 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 210) no Hoare annotation was computed. [2018-12-09 11:11:44,864 INFO L444 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-09 11:11:44,864 INFO L448 ceAbstractionStarter]: For program point L200-1(line 200) no Hoare annotation was computed. [2018-12-09 11:11:44,864 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 215) no Hoare annotation was computed. [2018-12-09 11:11:44,864 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 336 343) no Hoare annotation was computed. [2018-12-09 11:11:44,864 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 336 343) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 1)) (.cse2 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (< 1 ~waterLevel~0) .cse1 .cse2) (or (or (not (= 1 ~pumpRunning~0)) .cse2) (< 2 ~waterLevel~0) .cse0) (or .cse1 .cse0 .cse2 (not (= ~waterLevel~0 2))))) [2018-12-09 11:11:44,864 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 336 343) no Hoare annotation was computed. [2018-12-09 11:11:44,864 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 831 842) no Hoare annotation was computed. [2018-12-09 11:11:44,864 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 831 842) the Hoare annotation is: (let ((.cse2 (< 1 |old(~waterLevel~0)|)) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or (and .cse0 .cse1) .cse2 (not (= 0 ~pumpRunning~0)) .cse3) (or .cse2 .cse4 .cse3 .cse0) (or (and (<= ~waterLevel~0 2) .cse1) (< 2 |old(~waterLevel~0)|) .cse4 .cse3))) [2018-12-09 11:11:44,864 INFO L448 ceAbstractionStarter]: For program point L835-1(lines 831 842) no Hoare annotation was computed. [2018-12-09 11:11:44,864 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 711 718) no Hoare annotation was computed. [2018-12-09 11:11:44,864 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 711 718) the Hoare annotation is: true [2018-12-09 11:11:44,864 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 715) no Hoare annotation was computed. [2018-12-09 11:11:44,864 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 711 718) no Hoare annotation was computed. [2018-12-09 11:11:44,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 11:11:44 BoogieIcfgContainer [2018-12-09 11:11:44,872 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 11:11:44,872 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 11:11:44,872 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 11:11:44,872 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 11:11:44,872 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 11:11:30" (3/4) ... [2018-12-09 11:11:44,875 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 11:11:44,878 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 11:11:44,878 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 11:11:44,878 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 11:11:44,878 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 11:11:44,878 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 11:11:44,878 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 11:11:44,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 11:11:44,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 11:11:44,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 11:11:44,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 11:11:44,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 11:11:44,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 11:11:44,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 11:11:44,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 11:11:44,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 11:11:44,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 11:11:44,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 11:11:44,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 11:11:44,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 11:11:44,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 11:11:44,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-09 11:11:44,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 11:11:44,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 11:11:44,879 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 11:11:44,880 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 11:11:44,880 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 11:11:44,880 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 11:11:44,883 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-09 11:11:44,884 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 11:11:44,884 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 11:11:44,884 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 11:11:44,884 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 11:11:44,884 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 11:11:44,902 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel <= 2 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 11:11:44,902 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 11:11:44,923 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_634d35ae-383d-4d13-9564-57bddc37988d/bin-2019/utaipan/witness.graphml [2018-12-09 11:11:44,924 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 11:11:44,924 INFO L168 Benchmark]: Toolchain (without parser) took 15406.74 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 811.1 MB). Free memory was 948.1 MB in the beginning and 1.4 GB in the end (delta: -420.2 MB). Peak memory consumption was 390.9 MB. Max. memory is 11.5 GB. [2018-12-09 11:11:44,924 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. [2018-12-09 11:11:44,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -169.6 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. [2018-12-09 11:11:44,925 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 11:11:44,925 INFO L168 Benchmark]: Boogie Preprocessor took 20.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 11:11:44,925 INFO L168 Benchmark]: RCFGBuilder took 323.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 11.5 GB. [2018-12-09 11:11:44,925 INFO L168 Benchmark]: TraceAbstraction took 14682.34 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 680.5 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -308.0 MB). Peak memory consumption was 831.9 MB. Max. memory is 11.5 GB. [2018-12-09 11:11:44,925 INFO L168 Benchmark]: Witness Printer took 51.76 ms. Allocated memory is still 1.8 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 206.4 kB). Peak memory consumption was 206.4 kB. Max. memory is 11.5 GB. [2018-12-09 11:11:44,926 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 307.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -169.6 MB). Peak memory consumption was 28.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.13 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 323.25 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.8 MB). Peak memory consumption was 53.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14682.34 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 680.5 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -308.0 MB). Peak memory consumption was 831.9 MB. Max. memory is 11.5 GB. * Witness Printer took 51.76 ms. Allocated memory is still 1.8 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 206.4 kB). Peak memory consumption was 206.4 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 715]: 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: 93]: Loop Invariant Derived loop invariant: (((((((waterLevel <= 2 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 92]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 731]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 721]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 146 locations, 1 error locations. SAFE Result, 14.6s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 6.0s AutomataDifference, 0.0s DeadEndRemovalTime, 4.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2076 SDtfs, 2510 SDslu, 7175 SDs, 0 SdLazy, 4808 SolverSat, 1388 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 855 GetRequests, 687 SyntacticMatches, 19 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 836 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1050occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.8s AbstIntTime, 3 AbstIntIterations, 1 AbstIntStrong, 0.9966802418948142 AbsIntWeakeningRatio, 0.9197080291970803 AbsIntAvgWeakeningVarsNumRemoved, 47.86131386861314 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 209 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 2711 PreInvPairs, 3408 NumberOfFragments, 1670 HoareAnnotationTreeSize, 2711 FomulaSimplifications, 23370 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 61 FomulaSimplificationsInter, 43962 FormulaSimplificationTreeSizeReductionInter, 3.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1374 NumberOfCodeBlocks, 1374 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1638 ConstructedInterpolants, 0 QuantifiedInterpolants, 319331 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1693 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 195/217 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...