./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product39_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_ad59ee6d-0e42-49c6-b84f-a2fda9574198/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ad59ee6d-0e42-49c6-b84f-a2fda9574198/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ad59ee6d-0e42-49c6-b84f-a2fda9574198/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ad59ee6d-0e42-49c6-b84f-a2fda9574198/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product39_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ad59ee6d-0e42-49c6-b84f-a2fda9574198/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ad59ee6d-0e42-49c6-b84f-a2fda9574198/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 9a3c61d639fd43ae1669bec68db6e5c2c107a6dc ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 05:22:13,863 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 05:22:13,864 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 05:22:13,870 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 05:22:13,870 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 05:22:13,871 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 05:22:13,871 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 05:22:13,872 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 05:22:13,873 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 05:22:13,873 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 05:22:13,874 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 05:22:13,874 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 05:22:13,874 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 05:22:13,875 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 05:22:13,875 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 05:22:13,875 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 05:22:13,876 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 05:22:13,877 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 05:22:13,877 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 05:22:13,878 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 05:22:13,879 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 05:22:13,879 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 05:22:13,880 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 05:22:13,880 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 05:22:13,880 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 05:22:13,881 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 05:22:13,881 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 05:22:13,882 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 05:22:13,882 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 05:22:13,883 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 05:22:13,883 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 05:22:13,883 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 05:22:13,883 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 05:22:13,883 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 05:22:13,884 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 05:22:13,884 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 05:22:13,884 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ad59ee6d-0e42-49c6-b84f-a2fda9574198/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 05:22:13,891 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 05:22:13,891 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 05:22:13,892 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 05:22:13,892 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 05:22:13,892 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 05:22:13,892 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 05:22:13,892 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 05:22:13,892 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 05:22:13,892 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 05:22:13,893 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 05:22:13,893 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 05:22:13,893 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 05:22:13,893 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 05:22:13,893 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 05:22:13,893 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 05:22:13,893 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 05:22:13,893 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 05:22:13,894 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 05:22:13,894 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 05:22:13,894 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 05:22:13,894 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 05:22:13,894 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 05:22:13,894 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 05:22:13,894 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 05:22:13,894 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 05:22:13,894 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 05:22:13,894 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 05:22:13,894 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 05:22:13,895 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 05:22:13,895 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 05:22:13,895 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 05:22:13,895 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 05:22:13,895 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 05:22:13,895 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 05:22:13,895 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 05:22:13,895 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 05:22:13,895 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_ad59ee6d-0e42-49c6-b84f-a2fda9574198/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 -> 9a3c61d639fd43ae1669bec68db6e5c2c107a6dc [2018-12-03 05:22:13,913 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 05:22:13,922 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 05:22:13,925 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 05:22:13,926 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 05:22:13,926 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 05:22:13,927 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ad59ee6d-0e42-49c6-b84f-a2fda9574198/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product39_true-unreach-call_false-termination.cil.c [2018-12-03 05:22:13,967 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ad59ee6d-0e42-49c6-b84f-a2fda9574198/bin-2019/utaipan/data/0c62af520/25f2b10b847844e0b0ee011ae53e4395/FLAG4a1f13f05 [2018-12-03 05:22:14,364 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 05:22:14,364 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ad59ee6d-0e42-49c6-b84f-a2fda9574198/sv-benchmarks/c/product-lines/minepump_spec2_product39_true-unreach-call_false-termination.cil.c [2018-12-03 05:22:14,370 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ad59ee6d-0e42-49c6-b84f-a2fda9574198/bin-2019/utaipan/data/0c62af520/25f2b10b847844e0b0ee011ae53e4395/FLAG4a1f13f05 [2018-12-03 05:22:14,721 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ad59ee6d-0e42-49c6-b84f-a2fda9574198/bin-2019/utaipan/data/0c62af520/25f2b10b847844e0b0ee011ae53e4395 [2018-12-03 05:22:14,727 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 05:22:14,729 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 05:22:14,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 05:22:14,731 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 05:22:14,735 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 05:22:14,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:22:14" (1/1) ... [2018-12-03 05:22:14,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53463ee1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:22:14, skipping insertion in model container [2018-12-03 05:22:14,738 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:22:14" (1/1) ... [2018-12-03 05:22:14,742 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 05:22:14,762 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 05:22:14,909 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 05:22:14,917 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 05:22:15,006 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 05:22:15,025 INFO L195 MainTranslator]: Completed translation [2018-12-03 05:22:15,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:22:15 WrapperNode [2018-12-03 05:22:15,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 05:22:15,026 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 05:22:15,026 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 05:22:15,026 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 05:22:15,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:22:15" (1/1) ... [2018-12-03 05:22:15,042 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:22:15" (1/1) ... [2018-12-03 05:22:15,047 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 05:22:15,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 05:22:15,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 05:22:15,048 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 05:22:15,054 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:22:15" (1/1) ... [2018-12-03 05:22:15,055 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:22:15" (1/1) ... [2018-12-03 05:22:15,057 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:22:15" (1/1) ... [2018-12-03 05:22:15,057 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:22:15" (1/1) ... [2018-12-03 05:22:15,063 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:22:15" (1/1) ... [2018-12-03 05:22:15,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:22:15" (1/1) ... [2018-12-03 05:22:15,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:22:15" (1/1) ... [2018-12-03 05:22:15,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 05:22:15,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 05:22:15,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 05:22:15,072 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 05:22:15,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:22:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ad59ee6d-0e42-49c6-b84f-a2fda9574198/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 [2018-12-03 05:22:15,107 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-03 05:22:15,107 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-03 05:22:15,107 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 05:22:15,107 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 05:22:15,107 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-03 05:22:15,108 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-03 05:22:15,108 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-03 05:22:15,108 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-03 05:22:15,108 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-03 05:22:15,108 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-03 05:22:15,108 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-03 05:22:15,108 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-03 05:22:15,108 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-03 05:22:15,108 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-03 05:22:15,108 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-03 05:22:15,108 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-03 05:22:15,108 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-03 05:22:15,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-03 05:22:15,108 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-03 05:22:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-03 05:22:15,109 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-03 05:22:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-03 05:22:15,109 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-03 05:22:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-03 05:22:15,109 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-03 05:22:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-03 05:22:15,109 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-03 05:22:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-03 05:22:15,109 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-03 05:22:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-03 05:22:15,109 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-03 05:22:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-03 05:22:15,109 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-03 05:22:15,109 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 05:22:15,109 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 05:22:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-03 05:22:15,110 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-03 05:22:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-03 05:22:15,110 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-03 05:22:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-03 05:22:15,110 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-03 05:22:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-03 05:22:15,110 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-03 05:22:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-03 05:22:15,110 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-03 05:22:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-03 05:22:15,110 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-03 05:22:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-03 05:22:15,110 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-03 05:22:15,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-03 05:22:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 05:22:15,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 05:22:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-03 05:22:15,111 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-03 05:22:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-03 05:22:15,111 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-03 05:22:15,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 05:22:15,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 05:22:15,406 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 05:22:15,406 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-03 05:22:15,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:22:15 BoogieIcfgContainer [2018-12-03 05:22:15,407 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 05:22:15,407 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 05:22:15,407 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 05:22:15,409 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 05:22:15,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 05:22:14" (1/3) ... [2018-12-03 05:22:15,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b18e682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 05:22:15, skipping insertion in model container [2018-12-03 05:22:15,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:22:15" (2/3) ... [2018-12-03 05:22:15,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b18e682 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 05:22:15, skipping insertion in model container [2018-12-03 05:22:15,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:22:15" (3/3) ... [2018-12-03 05:22:15,411 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product39_true-unreach-call_false-termination.cil.c [2018-12-03 05:22:15,417 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 05:22:15,422 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 05:22:15,431 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 05:22:15,449 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 05:22:15,450 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 05:22:15,450 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 05:22:15,450 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 05:22:15,450 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 05:22:15,450 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 05:22:15,450 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 05:22:15,450 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 05:22:15,461 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2018-12-03 05:22:15,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-03 05:22:15,466 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:22:15,466 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] [2018-12-03 05:22:15,467 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:22:15,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:22:15,471 INFO L82 PathProgramCache]: Analyzing trace with hash 1719374991, now seen corresponding path program 1 times [2018-12-03 05:22:15,472 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:22:15,499 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:22:15,499 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:22:15,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:22:15,500 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:22:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:22:15,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:22:15,609 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:22:15,609 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-03 05:22:15,609 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:22:15,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-03 05:22:15,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-03 05:22:15,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-03 05:22:15,621 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2018-12-03 05:22:15,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:22:15,643 INFO L93 Difference]: Finished difference Result 264 states and 331 transitions. [2018-12-03 05:22:15,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-03 05:22:15,644 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-03 05:22:15,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:22:15,651 INFO L225 Difference]: With dead ends: 264 [2018-12-03 05:22:15,651 INFO L226 Difference]: Without dead ends: 134 [2018-12-03 05:22:15,653 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 [2018-12-03 05:22:15,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-12-03 05:22:15,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-12-03 05:22:15,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-12-03 05:22:15,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2018-12-03 05:22:15,682 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 51 [2018-12-03 05:22:15,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:22:15,683 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2018-12-03 05:22:15,683 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-03 05:22:15,683 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2018-12-03 05:22:15,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-03 05:22:15,684 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:22:15,684 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] [2018-12-03 05:22:15,685 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:22:15,685 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:22:15,685 INFO L82 PathProgramCache]: Analyzing trace with hash 1764692514, now seen corresponding path program 1 times [2018-12-03 05:22:15,685 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:22:15,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:22:15,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:22:15,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:22:15,686 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:22:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:22:15,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:22:15,743 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:22:15,743 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 05:22:15,743 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:22:15,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 05:22:15,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 05:22:15,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 05:22:15,744 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand 3 states. [2018-12-03 05:22:15,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:22:15,757 INFO L93 Difference]: Finished difference Result 207 states and 245 transitions. [2018-12-03 05:22:15,758 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 05:22:15,758 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-03 05:22:15,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:22:15,759 INFO L225 Difference]: With dead ends: 207 [2018-12-03 05:22:15,759 INFO L226 Difference]: Without dead ends: 125 [2018-12-03 05:22:15,760 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 [2018-12-03 05:22:15,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-12-03 05:22:15,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-12-03 05:22:15,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-12-03 05:22:15,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2018-12-03 05:22:15,767 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 52 [2018-12-03 05:22:15,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:22:15,768 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2018-12-03 05:22:15,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 05:22:15,768 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2018-12-03 05:22:15,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-03 05:22:15,769 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:22:15,769 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] [2018-12-03 05:22:15,769 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:22:15,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:22:15,769 INFO L82 PathProgramCache]: Analyzing trace with hash 1188417831, now seen corresponding path program 1 times [2018-12-03 05:22:15,769 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:22:15,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:22:15,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:22:15,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:22:15,770 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:22:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:22:15,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:22:15,835 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:22:15,835 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 05:22:15,836 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:22:15,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 05:22:15,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 05:22:15,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-03 05:22:15,836 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand 7 states. [2018-12-03 05:22:16,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:22:16,114 INFO L93 Difference]: Finished difference Result 370 states and 453 transitions. [2018-12-03 05:22:16,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 05:22:16,115 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-03 05:22:16,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:22:16,118 INFO L225 Difference]: With dead ends: 370 [2018-12-03 05:22:16,118 INFO L226 Difference]: Without dead ends: 273 [2018-12-03 05:22:16,119 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 [2018-12-03 05:22:16,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2018-12-03 05:22:16,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 265. [2018-12-03 05:22:16,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-12-03 05:22:16,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 324 transitions. [2018-12-03 05:22:16,148 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 324 transitions. Word has length 56 [2018-12-03 05:22:16,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:22:16,148 INFO L480 AbstractCegarLoop]: Abstraction has 265 states and 324 transitions. [2018-12-03 05:22:16,148 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 05:22:16,149 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 324 transitions. [2018-12-03 05:22:16,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-12-03 05:22:16,151 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:22:16,151 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] [2018-12-03 05:22:16,151 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:22:16,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:22:16,151 INFO L82 PathProgramCache]: Analyzing trace with hash -455106248, now seen corresponding path program 1 times [2018-12-03 05:22:16,151 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:22:16,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:22:16,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:22:16,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:22:16,153 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:22:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:22:16,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:22:16,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:22:16,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 05:22:16,235 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:22:16,235 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 05:22:16,235 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 05:22:16,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 05:22:16,236 INFO L87 Difference]: Start difference. First operand 265 states and 324 transitions. Second operand 6 states. [2018-12-03 05:22:16,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:22:16,364 INFO L93 Difference]: Finished difference Result 721 states and 906 transitions. [2018-12-03 05:22:16,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 05:22:16,364 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-12-03 05:22:16,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:22:16,368 INFO L225 Difference]: With dead ends: 721 [2018-12-03 05:22:16,368 INFO L226 Difference]: Without dead ends: 484 [2018-12-03 05:22:16,370 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-03 05:22:16,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2018-12-03 05:22:16,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 478. [2018-12-03 05:22:16,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2018-12-03 05:22:16,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 588 transitions. [2018-12-03 05:22:16,396 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 588 transitions. Word has length 62 [2018-12-03 05:22:16,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:22:16,396 INFO L480 AbstractCegarLoop]: Abstraction has 478 states and 588 transitions. [2018-12-03 05:22:16,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 05:22:16,396 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 588 transitions. [2018-12-03 05:22:16,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-03 05:22:16,398 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:22:16,398 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] [2018-12-03 05:22:16,399 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:22:16,399 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:22:16,399 INFO L82 PathProgramCache]: Analyzing trace with hash 867395924, now seen corresponding path program 1 times [2018-12-03 05:22:16,399 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:22:16,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:22:16,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:22:16,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:22:16,400 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:22:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:22:16,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:22:16,467 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:22:16,467 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 05:22:16,467 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:22:16,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 05:22:16,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 05:22:16,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-03 05:22:16,468 INFO L87 Difference]: Start difference. First operand 478 states and 588 transitions. Second operand 7 states. [2018-12-03 05:22:16,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:22:16,844 INFO L93 Difference]: Finished difference Result 1245 states and 1650 transitions. [2018-12-03 05:22:16,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-03 05:22:16,845 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-12-03 05:22:16,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:22:16,849 INFO L225 Difference]: With dead ends: 1245 [2018-12-03 05:22:16,849 INFO L226 Difference]: Without dead ends: 795 [2018-12-03 05:22:16,851 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-03 05:22:16,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2018-12-03 05:22:16,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 699. [2018-12-03 05:22:16,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2018-12-03 05:22:16,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 855 transitions. [2018-12-03 05:22:16,893 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 855 transitions. Word has length 66 [2018-12-03 05:22:16,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:22:16,894 INFO L480 AbstractCegarLoop]: Abstraction has 699 states and 855 transitions. [2018-12-03 05:22:16,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 05:22:16,894 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 855 transitions. [2018-12-03 05:22:16,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-03 05:22:16,896 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:22:16,896 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] [2018-12-03 05:22:16,897 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:22:16,897 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:22:16,897 INFO L82 PathProgramCache]: Analyzing trace with hash 1748551597, now seen corresponding path program 1 times [2018-12-03 05:22:16,897 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:22:16,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:22:16,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:22:16,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:22:16,898 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:22:16,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:22:16,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:22:16,963 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:22:16,963 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 05:22:16,963 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:22:16,963 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 05:22:16,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 05:22:16,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-03 05:22:16,964 INFO L87 Difference]: Start difference. First operand 699 states and 855 transitions. Second operand 6 states. [2018-12-03 05:22:16,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:22:16,999 INFO L93 Difference]: Finished difference Result 1390 states and 1732 transitions. [2018-12-03 05:22:16,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 05:22:16,999 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-03 05:22:16,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:22:17,001 INFO L225 Difference]: With dead ends: 1390 [2018-12-03 05:22:17,001 INFO L226 Difference]: Without dead ends: 719 [2018-12-03 05:22:17,002 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-03 05:22:17,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2018-12-03 05:22:17,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 719. [2018-12-03 05:22:17,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 719 states. [2018-12-03 05:22:17,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 875 transitions. [2018-12-03 05:22:17,023 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 875 transitions. Word has length 88 [2018-12-03 05:22:17,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:22:17,024 INFO L480 AbstractCegarLoop]: Abstraction has 719 states and 875 transitions. [2018-12-03 05:22:17,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 05:22:17,024 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 875 transitions. [2018-12-03 05:22:17,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-03 05:22:17,025 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:22:17,025 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] [2018-12-03 05:22:17,025 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:22:17,025 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:22:17,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1844815825, now seen corresponding path program 1 times [2018-12-03 05:22:17,025 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:22:17,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:22:17,026 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:22:17,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:22:17,026 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:22:17,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:22:17,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:22:17,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:22:17,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-03 05:22:17,072 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:22:17,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-03 05:22:17,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-03 05:22:17,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-03 05:22:17,072 INFO L87 Difference]: Start difference. First operand 719 states and 875 transitions. Second operand 8 states. [2018-12-03 05:22:17,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:22:17,103 INFO L93 Difference]: Finished difference Result 1438 states and 1810 transitions. [2018-12-03 05:22:17,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 05:22:17,103 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2018-12-03 05:22:17,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:22:17,105 INFO L225 Difference]: With dead ends: 1438 [2018-12-03 05:22:17,105 INFO L226 Difference]: Without dead ends: 747 [2018-12-03 05:22:17,107 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-03 05:22:17,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2018-12-03 05:22:17,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 735. [2018-12-03 05:22:17,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2018-12-03 05:22:17,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 891 transitions. [2018-12-03 05:22:17,129 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 891 transitions. Word has length 88 [2018-12-03 05:22:17,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:22:17,129 INFO L480 AbstractCegarLoop]: Abstraction has 735 states and 891 transitions. [2018-12-03 05:22:17,129 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-03 05:22:17,129 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 891 transitions. [2018-12-03 05:22:17,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-03 05:22:17,131 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:22:17,131 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] [2018-12-03 05:22:17,131 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:22:17,131 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:22:17,131 INFO L82 PathProgramCache]: Analyzing trace with hash -119334928, now seen corresponding path program 1 times [2018-12-03 05:22:17,131 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:22:17,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:22:17,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:22:17,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:22:17,132 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:22:17,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:22:17,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:22:17,168 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:22:17,168 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 05:22:17,168 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:22:17,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 05:22:17,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 05:22:17,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 05:22:17,168 INFO L87 Difference]: Start difference. First operand 735 states and 891 transitions. Second operand 4 states. [2018-12-03 05:22:17,335 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:22:17,335 INFO L93 Difference]: Finished difference Result 2385 states and 3038 transitions. [2018-12-03 05:22:17,335 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 05:22:17,335 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2018-12-03 05:22:17,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:22:17,340 INFO L225 Difference]: With dead ends: 2385 [2018-12-03 05:22:17,340 INFO L226 Difference]: Without dead ends: 1678 [2018-12-03 05:22:17,341 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 05:22:17,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1678 states. [2018-12-03 05:22:17,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1678 to 1647. [2018-12-03 05:22:17,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1647 states. [2018-12-03 05:22:17,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1647 states to 1647 states and 2047 transitions. [2018-12-03 05:22:17,392 INFO L78 Accepts]: Start accepts. Automaton has 1647 states and 2047 transitions. Word has length 88 [2018-12-03 05:22:17,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:22:17,392 INFO L480 AbstractCegarLoop]: Abstraction has 1647 states and 2047 transitions. [2018-12-03 05:22:17,392 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 05:22:17,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1647 states and 2047 transitions. [2018-12-03 05:22:17,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-03 05:22:17,394 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:22:17,394 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, 1, 1] [2018-12-03 05:22:17,394 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:22:17,394 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:22:17,394 INFO L82 PathProgramCache]: Analyzing trace with hash 1362208938, now seen corresponding path program 1 times [2018-12-03 05:22:17,394 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:22:17,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:22:17,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:22:17,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:22:17,395 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:22:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:22:17,425 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:22:17,425 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:22:17,425 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 05:22:17,425 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:22:17,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 05:22:17,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 05:22:17,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 05:22:17,425 INFO L87 Difference]: Start difference. First operand 1647 states and 2047 transitions. Second operand 3 states. [2018-12-03 05:22:17,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:22:17,510 INFO L93 Difference]: Finished difference Result 2606 states and 3345 transitions. [2018-12-03 05:22:17,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 05:22:17,510 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2018-12-03 05:22:17,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:22:17,517 INFO L225 Difference]: With dead ends: 2606 [2018-12-03 05:22:17,517 INFO L226 Difference]: Without dead ends: 2603 [2018-12-03 05:22:17,519 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 05:22:17,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2603 states. [2018-12-03 05:22:17,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2603 to 2443. [2018-12-03 05:22:17,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2443 states. [2018-12-03 05:22:17,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2443 states to 2443 states and 3149 transitions. [2018-12-03 05:22:17,602 INFO L78 Accepts]: Start accepts. Automaton has 2443 states and 3149 transitions. Word has length 92 [2018-12-03 05:22:17,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:22:17,602 INFO L480 AbstractCegarLoop]: Abstraction has 2443 states and 3149 transitions. [2018-12-03 05:22:17,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 05:22:17,602 INFO L276 IsEmpty]: Start isEmpty. Operand 2443 states and 3149 transitions. [2018-12-03 05:22:17,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-03 05:22:17,607 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:22:17,607 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:22:17,607 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:22:17,607 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:22:17,607 INFO L82 PathProgramCache]: Analyzing trace with hash -1085373225, now seen corresponding path program 1 times [2018-12-03 05:22:17,607 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:22:17,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:22:17,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:22:17,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:22:17,608 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:22:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:22:17,707 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-03 05:22:17,707 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:22:17,707 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:22:17,708 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 151 with the following transitions: [2018-12-03 05:22:17,709 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [33], [35], [36], [39], [42], [44], [50], [54], [57], [58], [62], [63], [64], [65], [74], [78], [82], [85], [88], [90], [93], [96], [98], [101], [117], [119], [122], [124], [127], [130], [133], [141], [142], [143], [144], [145], [146], [147], [148], [150], [155], [157], [158], [163], [165], [168], [171], [175], [181], [208], [209], [212], [216], [217], [221], [224], [226], [229], [236], [239], [242], [246], [247], [250], [251], [252], [253], [254], [255], [256], [257], [258], [262], [263], [264], [266], [267], [268], [269], [272], [273], [274], [275], [276], [277], [278], [279], [282], [283], [286], [287], [288], [289], [290], [292], [293], [294], [295], [296], [297], [298], [299], [304], [305], [306], [308], [309], [310], [311], [314], [315] [2018-12-03 05:22:17,733 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:22:17,733 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:22:18,869 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 05:22:18,870 INFO L272 AbstractInterpreter]: Visited 120 different actions 598 times. Merged at 17 different actions 52 times. Never widened. Performed 22930 root evaluator evaluations with a maximum evaluation depth of 3. Performed 22930 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 12 fixpoints after 5 different actions. Largest state had 134 variables. [2018-12-03 05:22:18,875 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:22:18,875 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 05:22:18,876 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:22:18,876 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ad59ee6d-0e42-49c6-b84f-a2fda9574198/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 [2018-12-03 05:22:18,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:22:18,882 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 05:22:18,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:22:18,963 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 05:22:19,093 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-03 05:22:19,094 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 05:22:19,408 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-03 05:22:19,424 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-03 05:22:19,424 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-03 05:22:19,424 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:22:19,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-03 05:22:19,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-03 05:22:19,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-03 05:22:19,425 INFO L87 Difference]: Start difference. First operand 2443 states and 3149 transitions. Second operand 8 states. [2018-12-03 05:22:19,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:22:19,641 INFO L93 Difference]: Finished difference Result 4678 states and 6104 transitions. [2018-12-03 05:22:19,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 05:22:19,641 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2018-12-03 05:22:19,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:22:19,647 INFO L225 Difference]: With dead ends: 4678 [2018-12-03 05:22:19,647 INFO L226 Difference]: Without dead ends: 2263 [2018-12-03 05:22:19,651 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 285 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-03 05:22:19,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2263 states. [2018-12-03 05:22:19,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2263 to 2263. [2018-12-03 05:22:19,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2263 states. [2018-12-03 05:22:19,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2263 states to 2263 states and 2849 transitions. [2018-12-03 05:22:19,724 INFO L78 Accepts]: Start accepts. Automaton has 2263 states and 2849 transitions. Word has length 150 [2018-12-03 05:22:19,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:22:19,725 INFO L480 AbstractCegarLoop]: Abstraction has 2263 states and 2849 transitions. [2018-12-03 05:22:19,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-03 05:22:19,725 INFO L276 IsEmpty]: Start isEmpty. Operand 2263 states and 2849 transitions. [2018-12-03 05:22:19,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-03 05:22:19,729 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:22:19,729 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:22:19,729 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:22:19,729 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:22:19,729 INFO L82 PathProgramCache]: Analyzing trace with hash 538742365, now seen corresponding path program 1 times [2018-12-03 05:22:19,729 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:22:19,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:22:19,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:22:19,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:22:19,730 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:22:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:22:19,781 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-03 05:22:19,781 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:22:19,781 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:22:19,781 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 155 with the following transitions: [2018-12-03 05:22:19,781 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [39], [54], [57], [58], [62], [63], [65], [74], [78], [82], [85], [88], [90], [93], [96], [98], [101], [117], [119], [122], [124], [127], [130], [133], [141], [142], [143], [144], [145], [146], [147], [148], [150], [155], [157], [158], [163], [165], [168], [171], [175], [181], [208], [209], [214], [216], [217], [221], [224], [226], [229], [239], [242], [246], [247], [250], [251], [252], [253], [254], [255], [256], [257], [258], [262], [263], [264], [274], [275], [276], [277], [278], [279], [282], [283], [286], [287], [288], [289], [290], [292], [293], [294], [295], [296], [297], [298], [299], [304], [305], [306], [308], [309], [310], [311] [2018-12-03 05:22:19,783 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:22:19,783 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:22:20,524 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 05:22:20,524 INFO L272 AbstractInterpreter]: Visited 104 different actions 472 times. Merged at 18 different actions 38 times. Never widened. Performed 17787 root evaluator evaluations with a maximum evaluation depth of 3. Performed 17787 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 134 variables. [2018-12-03 05:22:20,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:22:20,526 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 05:22:20,526 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:22:20,526 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ad59ee6d-0e42-49c6-b84f-a2fda9574198/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 [2018-12-03 05:22:20,532 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:22:20,532 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 05:22:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:22:20,604 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 05:22:20,628 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-03 05:22:20,628 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 05:22:20,748 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-03 05:22:20,769 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-03 05:22:20,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 4] imperfect sequences [5] total 7 [2018-12-03 05:22:20,770 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:22:20,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 05:22:20,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 05:22:20,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-03 05:22:20,770 INFO L87 Difference]: Start difference. First operand 2263 states and 2849 transitions. Second operand 3 states. [2018-12-03 05:22:20,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:22:20,894 INFO L93 Difference]: Finished difference Result 4728 states and 6111 transitions. [2018-12-03 05:22:20,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 05:22:20,894 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 154 [2018-12-03 05:22:20,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:22:20,902 INFO L225 Difference]: With dead ends: 4728 [2018-12-03 05:22:20,902 INFO L226 Difference]: Without dead ends: 2809 [2018-12-03 05:22:20,905 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 303 SyntacticMatches, 5 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-03 05:22:20,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2809 states. [2018-12-03 05:22:20,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2809 to 2773. [2018-12-03 05:22:20,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2773 states. [2018-12-03 05:22:21,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2773 states to 2773 states and 3416 transitions. [2018-12-03 05:22:21,003 INFO L78 Accepts]: Start accepts. Automaton has 2773 states and 3416 transitions. Word has length 154 [2018-12-03 05:22:21,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:22:21,003 INFO L480 AbstractCegarLoop]: Abstraction has 2773 states and 3416 transitions. [2018-12-03 05:22:21,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 05:22:21,003 INFO L276 IsEmpty]: Start isEmpty. Operand 2773 states and 3416 transitions. [2018-12-03 05:22:21,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-03 05:22:21,009 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:22:21,009 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-03 05:22:21,009 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:22:21,010 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:22:21,010 INFO L82 PathProgramCache]: Analyzing trace with hash -1721181663, now seen corresponding path program 1 times [2018-12-03 05:22:21,010 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:22:21,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:22:21,011 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:22:21,011 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:22:21,011 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:22:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:22:21,083 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-03 05:22:21,083 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:22:21,083 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:22:21,083 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 151 with the following transitions: [2018-12-03 05:22:21,084 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [39], [54], [57], [58], [62], [63], [65], [74], [78], [82], [85], [88], [90], [93], [96], [98], [101], [117], [119], [122], [124], [127], [130], [133], [141], [142], [143], [144], [145], [146], [147], [148], [150], [155], [157], [158], [163], [165], [171], [175], [181], [208], [209], [217], [221], [224], [226], [229], [239], [242], [246], [247], [250], [251], [252], [253], [254], [255], [256], [257], [258], [262], [263], [264], [274], [275], [276], [277], [278], [279], [282], [283], [286], [287], [288], [289], [290], [292], [293], [296], [297], [298], [299], [304], [305], [306], [308], [309], [310], [311] [2018-12-03 05:22:21,085 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:22:21,086 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:22:21,587 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 05:22:21,587 INFO L272 AbstractInterpreter]: Visited 99 different actions 404 times. Merged at 13 different actions 32 times. Never widened. Performed 14554 root evaluator evaluations with a maximum evaluation depth of 3. Performed 14554 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 2 different actions. Largest state had 134 variables. [2018-12-03 05:22:21,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:22:21,592 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 05:22:21,592 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:22:21,592 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ad59ee6d-0e42-49c6-b84f-a2fda9574198/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 05:22:21,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:22:21,598 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 05:22:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:22:21,666 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 05:22:21,681 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:22:21,681 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 05:22:21,784 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-03 05:22:21,799 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-03 05:22:21,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-12-03 05:22:21,800 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:22:21,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 05:22:21,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 05:22:21,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-03 05:22:21,800 INFO L87 Difference]: Start difference. First operand 2773 states and 3416 transitions. Second operand 3 states. [2018-12-03 05:22:21,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:22:21,877 INFO L93 Difference]: Finished difference Result 4941 states and 6173 transitions. [2018-12-03 05:22:21,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 05:22:21,877 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 150 [2018-12-03 05:22:21,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:22:21,887 INFO L225 Difference]: With dead ends: 4941 [2018-12-03 05:22:21,887 INFO L226 Difference]: Without dead ends: 2512 [2018-12-03 05:22:21,893 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 300 SyntacticMatches, 2 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-03 05:22:21,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2512 states. [2018-12-03 05:22:21,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2512 to 2333. [2018-12-03 05:22:21,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2333 states. [2018-12-03 05:22:21,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2333 states to 2333 states and 2706 transitions. [2018-12-03 05:22:21,992 INFO L78 Accepts]: Start accepts. Automaton has 2333 states and 2706 transitions. Word has length 150 [2018-12-03 05:22:21,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:22:21,993 INFO L480 AbstractCegarLoop]: Abstraction has 2333 states and 2706 transitions. [2018-12-03 05:22:21,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 05:22:21,993 INFO L276 IsEmpty]: Start isEmpty. Operand 2333 states and 2706 transitions. [2018-12-03 05:22:21,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-03 05:22:21,996 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:22:21,996 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:22:21,997 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:22:21,997 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:22:21,997 INFO L82 PathProgramCache]: Analyzing trace with hash 730507791, now seen corresponding path program 1 times [2018-12-03 05:22:21,997 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:22:21,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:22:21,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:22:21,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:22:21,998 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:22:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:22:22,046 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 25 proven. 14 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-03 05:22:22,046 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:22:22,046 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:22:22,046 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 165 with the following transitions: [2018-12-03 05:22:22,046 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [20], [25], [26], [27], [28], [29], [37], [38], [39], [54], [57], [58], [62], [63], [65], [74], [78], [82], [85], [90], [93], [96], [98], [101], [103], [106], [117], [119], [122], [124], [127], [130], [133], [141], [142], [143], [144], [145], [146], [147], [148], [150], [155], [157], [158], [163], [165], [171], [175], [181], [208], [209], [217], [221], [224], [226], [229], [239], [242], [246], [247], [250], [251], [252], [253], [254], [255], [256], [257], [258], [260], [261], [262], [263], [264], [274], [275], [276], [277], [278], [279], [280], [281], [282], [283], [286], [287], [288], [289], [290], [292], [293], [296], [297], [298], [299], [304], [305], [306], [308], [309], [310], [311] [2018-12-03 05:22:22,048 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:22:22,048 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:22:22,331 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 05:22:22,331 INFO L272 AbstractInterpreter]: Visited 100 different actions 153 times. Merged at 10 different actions 10 times. Never widened. Performed 8635 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8635 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 135 variables. [2018-12-03 05:22:22,336 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:22:22,336 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 05:22:22,710 INFO L227 lantSequenceWeakener]: Weakened 153 states. On average, predicates are now at 96.72% of their original sizes. [2018-12-03 05:22:22,710 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 05:22:23,080 INFO L418 sIntCurrentIteration]: We unified 163 AI predicates to 163 [2018-12-03 05:22:23,081 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 05:22:23,081 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 05:22:23,081 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [38] imperfect sequences [5] total 41 [2018-12-03 05:22:23,081 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:22:23,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-12-03 05:22:23,082 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-12-03 05:22:23,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=1224, Unknown=0, NotChecked=0, Total=1406 [2018-12-03 05:22:23,082 INFO L87 Difference]: Start difference. First operand 2333 states and 2706 transitions. Second operand 38 states. [2018-12-03 05:22:39,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:22:39,126 INFO L93 Difference]: Finished difference Result 7622 states and 9077 transitions. [2018-12-03 05:22:39,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-12-03 05:22:39,126 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 164 [2018-12-03 05:22:39,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:22:39,140 INFO L225 Difference]: With dead ends: 7622 [2018-12-03 05:22:39,140 INFO L226 Difference]: Without dead ends: 5633 [2018-12-03 05:22:39,144 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 202 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1385 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=623, Invalid=5229, Unknown=0, NotChecked=0, Total=5852 [2018-12-03 05:22:39,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5633 states. [2018-12-03 05:22:39,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5633 to 5115. [2018-12-03 05:22:39,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5115 states. [2018-12-03 05:22:39,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5115 states to 5115 states and 5966 transitions. [2018-12-03 05:22:39,321 INFO L78 Accepts]: Start accepts. Automaton has 5115 states and 5966 transitions. Word has length 164 [2018-12-03 05:22:39,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:22:39,321 INFO L480 AbstractCegarLoop]: Abstraction has 5115 states and 5966 transitions. [2018-12-03 05:22:39,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-12-03 05:22:39,321 INFO L276 IsEmpty]: Start isEmpty. Operand 5115 states and 5966 transitions. [2018-12-03 05:22:39,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-03 05:22:39,325 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:22:39,326 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-03 05:22:39,326 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:22:39,326 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:22:39,326 INFO L82 PathProgramCache]: Analyzing trace with hash -2118493355, now seen corresponding path program 1 times [2018-12-03 05:22:39,326 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:22:39,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:22:39,327 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:22:39,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:22:39,327 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:22:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:22:39,356 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-12-03 05:22:39,356 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:22:39,356 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 05:22:39,356 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:22:39,357 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 05:22:39,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 05:22:39,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 05:22:39,357 INFO L87 Difference]: Start difference. First operand 5115 states and 5966 transitions. Second operand 3 states. [2018-12-03 05:22:39,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:22:39,490 INFO L93 Difference]: Finished difference Result 5937 states and 6958 transitions. [2018-12-03 05:22:39,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 05:22:39,490 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 160 [2018-12-03 05:22:39,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:22:39,491 INFO L225 Difference]: With dead ends: 5937 [2018-12-03 05:22:39,491 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 05:22:39,497 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 [2018-12-03 05:22:39,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 05:22:39,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 05:22:39,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 05:22:39,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 05:22:39,499 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 160 [2018-12-03 05:22:39,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:22:39,499 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 05:22:39,499 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 05:22:39,499 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 05:22:39,499 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 05:22:39,502 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 05:22:39,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:39,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,267 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,272 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,484 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,497 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:22:40,776 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 26 [2018-12-03 05:22:41,109 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 34 [2018-12-03 05:22:41,391 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 43 [2018-12-03 05:22:42,591 WARN L180 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 225 DAG size of output: 98 [2018-12-03 05:22:43,159 WARN L180 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 59 [2018-12-03 05:22:43,710 WARN L180 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 73 [2018-12-03 05:22:44,165 WARN L180 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 46 [2018-12-03 05:22:44,943 WARN L180 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 70 [2018-12-03 05:22:45,481 WARN L180 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 61 [2018-12-03 05:22:45,859 WARN L180 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 42 [2018-12-03 05:22:46,445 WARN L180 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 47 [2018-12-03 05:22:46,557 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 29 [2018-12-03 05:22:46,838 WARN L180 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 41 [2018-12-03 05:22:47,181 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 26 [2018-12-03 05:22:47,472 WARN L180 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 42 [2018-12-03 05:22:47,629 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 1 [2018-12-03 05:22:47,884 WARN L180 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 28 [2018-12-03 05:22:48,437 WARN L180 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 45 [2018-12-03 05:22:48,540 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 26 [2018-12-03 05:22:49,043 WARN L180 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 47 [2018-12-03 05:22:49,151 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 35 [2018-12-03 05:22:51,452 WARN L180 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 221 DAG size of output: 90 [2018-12-03 05:22:51,455 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 576 582) the Hoare annotation is: true [2018-12-03 05:22:51,455 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 576 582) no Hoare annotation was computed. [2018-12-03 05:22:51,455 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 583 591) no Hoare annotation was computed. [2018-12-03 05:22:51,455 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 583 591) the Hoare annotation is: true [2018-12-03 05:22:51,455 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 583 591) no Hoare annotation was computed. [2018-12-03 05:22:51,455 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 221 243) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 05:22:51,455 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 221 243) no Hoare annotation was computed. [2018-12-03 05:22:51,455 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 221 243) no Hoare annotation was computed. [2018-12-03 05:22:51,456 INFO L444 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 05:22:51,456 INFO L444 ceAbstractionStarter]: At program point L233-1(line 233) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 05:22:51,456 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 238) no Hoare annotation was computed. [2018-12-03 05:22:51,456 INFO L448 ceAbstractionStarter]: For program point L231-1(lines 231 238) no Hoare annotation was computed. [2018-12-03 05:22:51,456 INFO L448 ceAbstractionStarter]: For program point L229(line 229) no Hoare annotation was computed. [2018-12-03 05:22:51,456 INFO L444 ceAbstractionStarter]: At program point L228(line 228) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 05:22:51,456 INFO L444 ceAbstractionStarter]: At program point L227(line 227) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 05:22:51,456 INFO L444 ceAbstractionStarter]: At program point L227-1(line 227) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 05:22:51,456 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 542 556) no Hoare annotation was computed. [2018-12-03 05:22:51,456 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 542 556) the Hoare annotation is: (let ((.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse12 (= |old(~systemActive~0)| 0)) (.cse8 (= ~systemActive~0 0)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (and (= ~systemActive~0 1) .cse5)) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse13 (and (not .cse8) .cse5)) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse11 (= ~waterLevel~0 1)) (.cse9 (not .cse12)) (.cse4 (or .cse10 .cse2)) (.cse7 (< ~methaneLevelCritical~0 1)) (.cse6 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse4 .cse5 .cse6) (or .cse0 .cse7 .cse3 .cse1) (or .cse7 .cse8 .cse9 .cse10 .cse6) (or (or .cse0 (or .cse7 .cse11 .cse12)) .cse13) (or .cse13 (or .cse0 (or .cse11 .cse12 .cse2))) (or .cse9 .cse8 .cse4 .cse6) (or .cse7 .cse5 .cse10 .cse6)))) [2018-12-03 05:22:51,456 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 542 556) no Hoare annotation was computed. [2018-12-03 05:22:51,457 INFO L444 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: (let ((.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (and (= ~systemActive~0 1) .cse10)) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse9 (and (not (= ~systemActive~0 0)) .cse10)) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse7 (= ~waterLevel~0 1)) (.cse8 (= |old(~systemActive~0)| 0)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or (or .cse4 .cse2) .cse5) (or .cse0 .cse6 .cse3 .cse1) (or (or .cse0 (or .cse6 .cse7 .cse8)) .cse9) (or .cse9 (or .cse0 (or .cse7 .cse8 .cse2))) (or .cse6 .cse4 .cse5)))) [2018-12-03 05:22:51,457 INFO L448 ceAbstractionStarter]: For program point L546(lines 546 552) no Hoare annotation was computed. [2018-12-03 05:22:51,457 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 478 486) no Hoare annotation was computed. [2018-12-03 05:22:51,457 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 478 486) the Hoare annotation is: true [2018-12-03 05:22:51,457 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 478 486) no Hoare annotation was computed. [2018-12-03 05:22:51,457 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 569 575) no Hoare annotation was computed. [2018-12-03 05:22:51,457 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 569 575) the Hoare annotation is: true [2018-12-03 05:22:51,457 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 207 217) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 05:22:51,457 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 207 217) no Hoare annotation was computed. [2018-12-03 05:22:51,457 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 207 217) no Hoare annotation was computed. [2018-12-03 05:22:51,457 INFO L444 ceAbstractionStarter]: At program point L212(line 212) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 05:22:51,457 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 467 477) the Hoare annotation is: true [2018-12-03 05:22:51,457 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 467 477) no Hoare annotation was computed. [2018-12-03 05:22:51,457 INFO L451 ceAbstractionStarter]: At program point L472(line 472) the Hoare annotation is: true [2018-12-03 05:22:51,457 INFO L448 ceAbstractionStarter]: For program point L472-1(line 472) no Hoare annotation was computed. [2018-12-03 05:22:51,457 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 467 477) no Hoare annotation was computed. [2018-12-03 05:22:51,458 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 459 466) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse4 (= ~waterLevel~0 1)) (.cse5 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 (or .cse0 (or .cse4 .cse5 .cse6))) (or (or .cse0 .cse3 .cse6) .cse2) (or (or .cse0 (or .cse1 .cse4 .cse5)) .cse2))) [2018-12-03 05:22:51,458 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 459 466) no Hoare annotation was computed. [2018-12-03 05:22:51,458 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 459 466) no Hoare annotation was computed. [2018-12-03 05:22:51,458 INFO L444 ceAbstractionStarter]: At program point L445(line 445) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< |old(~pumpRunning~0)| 1)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4 .cse2 .cse5) (or .cse0 .cse6 .cse1) (or .cse6 .cse3 .cse5 .cse1 .cse4))) [2018-12-03 05:22:51,458 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 426 450) no Hoare annotation was computed. [2018-12-03 05:22:51,458 INFO L444 ceAbstractionStarter]: At program point L440(line 440) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or .cse5 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse1))) [2018-12-03 05:22:51,458 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 426 450) no Hoare annotation was computed. [2018-12-03 05:22:51,458 INFO L444 ceAbstractionStarter]: At program point L436(line 436) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (< |old(~pumpRunning~0)| 1)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse4 .cse1 .cse3) .cse5) (or .cse6 .cse0 .cse1 .cse2) (or .cse4 .cse6 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~4) .cse5) .cse1))) [2018-12-03 05:22:51,458 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 426 450) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| 1)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse0 .cse3 .cse4) .cse2) (or .cse5 .cse3 .cse6 .cse4 .cse2) (or .cse1 .cse5 .cse2 .cse3 .cse6))) [2018-12-03 05:22:51,458 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 442) no Hoare annotation was computed. [2018-12-03 05:22:51,458 INFO L444 ceAbstractionStarter]: At program point L432(line 432) the Hoare annotation is: (let ((.cse0 (< |old(~pumpRunning~0)| 1)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5 .cse6) (or (or .cse0 .cse3 .cse6) .cse2) (or .cse1 .cse4 .cse3 .cse5))) [2018-12-03 05:22:51,458 INFO L448 ceAbstractionStarter]: For program point L432-1(line 432) no Hoare annotation was computed. [2018-12-03 05:22:51,458 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 447) no Hoare annotation was computed. [2018-12-03 05:22:51,458 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2018-12-03 05:22:51,458 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2018-12-03 05:22:51,459 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-12-03 05:22:51,459 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2018-12-03 05:22:51,459 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 392 398) no Hoare annotation was computed. [2018-12-03 05:22:51,459 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 392 398) the Hoare annotation is: true [2018-12-03 05:22:51,459 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 296 361) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 05:22:51,459 INFO L444 ceAbstractionStarter]: At program point L351(lines 306 353) the Hoare annotation is: (let ((.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse4 (= ~systemActive~0 0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse7 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse6 (= 0 ~methAndRunningLastTime~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 (not (= ~waterLevel~0 1)) .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse1 .cse3 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse1 .cse2 .cse3 .cse6) (and .cse7 .cse5 .cse2 .cse3 .cse6) (not (= |old(~systemActive~0)| 1)) (and .cse4 .cse7 .cse5 .cse3 .cse6) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse7 .cse2 .cse6 .cse3))) [2018-12-03 05:22:51,459 INFO L444 ceAbstractionStarter]: At program point L318(line 318) the Hoare annotation is: (let ((.cse7 (<= 1 ~pumpRunning~0)) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse5 (= ~systemActive~0 1)) (.cse0 (= ~systemActive~0 0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse4 (= 0 ~methAndRunningLastTime~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and .cse6 .cse1 .cse5 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse7 .cse6 .cse5 .cse3 .cse4) (and .cse7 .cse2 .cse5 .cse3) (and .cse0 (and .cse6 .cse1 .cse3) .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-03 05:22:51,459 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 322) no Hoare annotation was computed. [2018-12-03 05:22:51,459 INFO L448 ceAbstractionStarter]: For program point L316-1(lines 316 322) no Hoare annotation was computed. [2018-12-03 05:22:51,459 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 296 361) no Hoare annotation was computed. [2018-12-03 05:22:51,459 INFO L448 ceAbstractionStarter]: For program point L308(lines 308 312) no Hoare annotation was computed. [2018-12-03 05:22:51,459 INFO L444 ceAbstractionStarter]: At program point L354(lines 305 355) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-03 05:22:51,459 INFO L444 ceAbstractionStarter]: At program point L344(line 344) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse3 (= 0 ~methAndRunningLastTime~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (= ~systemActive~0 1)) (.cse5 (<= 1 ~pumpRunning~0)) (.cse7 (not (= ~systemActive~0 0))) (.cse8 (not (= ~waterLevel~0 1))) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse4 .cse2 .cse3) (and .cse5 .cse0 .cse6 .cse2) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse5 (and .cse0 .cse7 .cse8 .cse2)) (and .cse5 .cse4 .cse6 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 (and .cse7 .cse8 .cse4 .cse2)))) [2018-12-03 05:22:51,459 INFO L448 ceAbstractionStarter]: For program point L342(lines 342 348) no Hoare annotation was computed. [2018-12-03 05:22:51,460 INFO L444 ceAbstractionStarter]: At program point L342-1(lines 336 349) the Hoare annotation is: (let ((.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse5 (= ~systemActive~0 0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse3) (and .cse6 .cse0 .cse2 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse6 .cse0 .cse3) (and .cse7 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse6 .cse2 .cse3))) [2018-12-03 05:22:51,460 INFO L448 ceAbstractionStarter]: For program point L307(lines 306 353) no Hoare annotation was computed. [2018-12-03 05:22:51,460 INFO L448 ceAbstractionStarter]: For program point L336(lines 336 349) no Hoare annotation was computed. [2018-12-03 05:22:51,460 INFO L444 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: (let ((.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse5 (= ~systemActive~0 1)) (.cse4 (= 0 ~methAndRunningLastTime~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse5 .cse3 .cse4) (and .cse6 .cse1 .cse5 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse7 .cse2 .cse5 .cse3) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse6 .cse1 .cse3 .cse4) (and .cse7 .cse6 .cse5 .cse4 .cse3))) [2018-12-03 05:22:51,460 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 332) no Hoare annotation was computed. [2018-12-03 05:22:51,460 INFO L448 ceAbstractionStarter]: For program point L326-1(lines 326 332) no Hoare annotation was computed. [2018-12-03 05:22:51,460 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 296 361) no Hoare annotation was computed. [2018-12-03 05:22:51,460 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 256 284) the Hoare annotation is: (let ((.cse11 (= ~methaneLevelCritical~0 0))) (let ((.cse6 (= ~methAndRunningLastTime~0 0)) (.cse9 (not .cse11)) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse5 (not (= ~systemActive~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse8 (= ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (and (or .cse7 .cse9) (or (not .cse10) .cse7))) (.cse2 (or (and .cse6 .cse10) (and .cse6 .cse11)))) (and (or (or .cse0 .cse1) .cse2 .cse3) (or (< 0 ~waterLevel~0) .cse4 .cse5 .cse6 .cse0 .cse7) (or .cse5 .cse2 .cse3 .cse0) (or .cse4 (or .cse8 .cse0 .cse1) .cse6 .cse7) (or .cse4 .cse8 (= 0 ~methAndRunningLastTime~0) (not (= 1 ~pumpRunning~0)) .cse1 .cse7) (or (or (< ~pumpRunning~0 1) .cse1 .cse9) .cse3 .cse2))))) [2018-12-03 05:22:51,460 INFO L444 ceAbstractionStarter]: At program point L271(line 271) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2)) (or .cse3 (or .cse0 .cse1)) (or .cse0 (= ~waterLevel~0 1) (not (= 1 ~pumpRunning~0)) .cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse1 .cse2 .cse4) (or .cse3 (or .cse1 .cse4)) (or (< ~pumpRunning~0 1) .cse2 .cse4))) [2018-12-03 05:22:51,460 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 275) no Hoare annotation was computed. [2018-12-03 05:22:51,460 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 278) no Hoare annotation was computed. [2018-12-03 05:22:51,460 INFO L444 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: (let ((.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse5 (= ~waterLevel~0 1)) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse6 (not (= ~systemActive~0 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 0))) (.cse7 (= 0 ~methAndRunningLastTime~0)) (.cse9 (and (or .cse4 .cse8) (or (not (= ~methaneLevelCritical~0 1)) .cse4)))) (and (or (< 0 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (or .cse5 .cse3 .cse6) .cse2 .cse4) (or .cse0 .cse5 .cse7 (not (= 1 ~pumpRunning~0)) .cse6 .cse4) (or .cse3 .cse6 .cse8) (or .cse2 .cse9 (or .cse3 .cse6)) (or .cse1 (or .cse3 .cse8)) (or (< ~pumpRunning~0 1) .cse6 .cse8) (or .cse3 .cse1 .cse7 .cse9)))) [2018-12-03 05:22:51,461 INFO L448 ceAbstractionStarter]: For program point L266-1(line 266) no Hoare annotation was computed. [2018-12-03 05:22:51,461 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 281) no Hoare annotation was computed. [2018-12-03 05:22:51,461 INFO L448 ceAbstractionStarter]: For program point L264-1(lines 256 284) no Hoare annotation was computed. [2018-12-03 05:22:51,461 INFO L444 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (let ((.cse11 (= ~methaneLevelCritical~0 0))) (let ((.cse6 (= ~methAndRunningLastTime~0 0)) (.cse9 (not .cse11)) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse5 (not (= ~systemActive~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse8 (= ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (and (or .cse7 .cse9) (or (not .cse10) .cse7))) (.cse2 (or (and .cse6 .cse10) (and .cse6 .cse11)))) (and (or (or .cse0 .cse1) .cse2 .cse3) (or (< 0 ~waterLevel~0) .cse4 .cse5 .cse6 .cse0 .cse7) (or .cse5 .cse2 .cse3 .cse0) (or .cse4 (or .cse8 .cse0 .cse1) .cse6 .cse7) (or .cse4 .cse8 (= 0 ~methAndRunningLastTime~0) (not (= 1 ~pumpRunning~0)) .cse1 .cse7) (or (or (< ~pumpRunning~0 1) .cse1 .cse9) .cse3 .cse2))))) [2018-12-03 05:22:51,461 INFO L448 ceAbstractionStarter]: For program point L262-1(line 262) no Hoare annotation was computed. [2018-12-03 05:22:51,461 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 256 284) no Hoare annotation was computed. [2018-12-03 05:22:51,461 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 248 255) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methAndRunningLastTime~0) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-03 05:22:51,461 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 248 255) no Hoare annotation was computed. [2018-12-03 05:22:51,461 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 248 255) no Hoare annotation was computed. [2018-12-03 05:22:51,461 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 05:22:51,461 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-03 05:22:51,461 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 05:22:51,461 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 451 458) no Hoare annotation was computed. [2018-12-03 05:22:51,461 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 451 458) no Hoare annotation was computed. [2018-12-03 05:22:51,461 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 451 458) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse4 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-03 05:22:51,461 INFO L448 ceAbstractionStarter]: For program point L530-1(line 530) no Hoare annotation was computed. [2018-12-03 05:22:51,461 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 523 541) no Hoare annotation was computed. [2018-12-03 05:22:51,462 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 523 541) the Hoare annotation is: true [2018-12-03 05:22:51,462 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 523 541) no Hoare annotation was computed. [2018-12-03 05:22:51,462 INFO L448 ceAbstractionStarter]: For program point L532(lines 532 536) no Hoare annotation was computed. [2018-12-03 05:22:51,462 INFO L451 ceAbstractionStarter]: At program point L530(line 530) the Hoare annotation is: true [2018-12-03 05:22:51,462 INFO L448 ceAbstractionStarter]: For program point L532-2(lines 532 536) no Hoare annotation was computed. [2018-12-03 05:22:51,462 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-12-03 05:22:51,462 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse11 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse13 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse12 (= ~methaneLevelCritical~0 1))) (let ((.cse8 (< ~pumpRunning~0 1)) (.cse14 (not (= 1 ~pumpRunning~0))) (.cse15 (not (= ~waterLevel~0 2))) (.cse2 (or .cse12 (= ~methaneLevelCritical~0 0))) (.cse3 (and .cse11 .cse13)) (.cse4 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~systemActive~0 0))) (.cse6 (< |old(~methaneLevelCritical~0)| 1)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse9 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse10 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (or .cse6 .cse0 .cse5) .cse1 .cse7) (or .cse8 .cse6 .cse7 .cse9) (or .cse10 (or .cse8 .cse9 .cse5 .cse11)) (or .cse12 (or .cse13 .cse14 .cse15) .cse9 .cse5) (or .cse12 .cse1 (or .cse13 .cse0 .cse5 .cse15)) (or .cse12 .cse9 (or (not (= ~methAndRunningLastTime~0 1)) .cse13 .cse14 .cse15)) (or .cse0 .cse2 .cse3 .cse9 .cse4 .cse5) (or (or .cse0 .cse5 .cse11) .cse1 .cse10) (or (or .cse6 .cse0 .cse9 .cse5) .cse7) (or (or .cse0 .cse9 .cse5 .cse11) .cse10)))) [2018-12-03 05:22:51,462 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-12-03 05:22:51,462 INFO L444 ceAbstractionStarter]: At program point L381(line 381) the Hoare annotation is: (let ((.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< |old(~pumpRunning~0)| 1)) (.cse12 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse19 (= 0 ~methAndRunningLastTime~0)) (.cse17 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse5 (= ~waterLevel~0 2)) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse13 (and .cse19 .cse17)) (.cse9 (not (= ~systemActive~0 0))) (.cse15 (= |old(~waterLevel~0)| 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse16 (not (= ~waterLevel~0 1))) (.cse18 (or .cse6 .cse12 .cse2 .cse3)) (.cse8 (= ~methAndRunningLastTime~0 0)) (.cse10 (< 0 |old(~waterLevel~0)|)) (.cse14 (and (or .cse3 .cse7) (or .cse0 .cse3))) (.cse11 (<= ~waterLevel~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (or .cse6 .cse2 .cse3 .cse7) .cse8) (or .cse9 (or .cse1 .cse7)) (or .cse10 .cse1 .cse2 .cse3 .cse7 .cse11) (or .cse12 .cse1 .cse13 .cse2 .cse3) (or .cse1 .cse5 .cse2 .cse3 .cse7 .cse4) (or .cse1 (= 1 ~waterLevel~0) .cse14 .cse2 (not .cse15)) (or .cse12 .cse15 .cse1 .cse2 .cse3 .cse16) (or .cse1 .cse13 .cse2 .cse3 .cse7) (or .cse17 (or .cse6 .cse2 .cse7)) (or .cse10 .cse12 .cse1 .cse11 .cse2 .cse3) (or .cse12 .cse1 .cse9) (or .cse18 .cse19 .cse11 (not (= 1 |old(~pumpRunning~0)|))) (or .cse15 .cse1 .cse2 .cse3 .cse7 .cse16) (or .cse18 .cse8 .cse14) (or .cse6 .cse10 .cse14 .cse2 .cse11) (or .cse17 (or .cse6 .cse12 .cse2))))) [2018-12-03 05:22:51,462 INFO L444 ceAbstractionStarter]: At program point L379(lines 379 385) the Hoare annotation is: (let ((.cse27 (= ~methaneLevelCritical~0 0)) (.cse26 (= ~methaneLevelCritical~0 1))) (let ((.cse8 (not .cse26)) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse21 (= ~methAndRunningLastTime~0 0)) (.cse4 (= ~waterLevel~0 2)) (.cse22 (= ~pumpRunning~0 1)) (.cse25 (<= ~waterLevel~0 0)) (.cse15 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse24 (< |old(~pumpRunning~0)| 1)) (.cse20 (< ~methaneLevelCritical~0 1)) (.cse11 (not (= ~systemActive~0 1))) (.cse12 (= |old(~waterLevel~0)| 1)) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse14 (not .cse27))) (let ((.cse5 (or .cse12 .cse9 .cse14)) (.cse0 (or .cse24 .cse20 .cse11)) (.cse18 (= 1 ~waterLevel~0)) (.cse19 (not .cse12)) (.cse23 (= 0 ~pumpRunning~0)) (.cse17 (and .cse25 .cse15)) (.cse10 (or (and .cse21 .cse4 .cse27 .cse22) (and .cse21 .cse4 .cse22 .cse26))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= ~systemActive~0 0))) (.cse13 (not (= ~waterLevel~0 1))) (.cse1 (or (and .cse21 .cse26) (and .cse21 .cse27))) (.cse16 (< 0 |old(~waterLevel~0)|)) (.cse2 (and (or .cse6 .cse14) (or .cse8 .cse6)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse8 .cse9 .cse10 .cse11 .cse6 .cse7) (or .cse9 .cse3 .cse1 .cse2) (or .cse12 .cse9 .cse13 .cse11 .cse6 .cse14) (or .cse3 .cse15 (or .cse9 .cse14)) (or .cse16 .cse17 .cse9 .cse11 .cse6 .cse14) (or .cse13 .cse3 .cse5) (or .cse9 .cse3 .cse18 .cse2 .cse19) (or .cse20 .cse9 .cse11 (and .cse21 .cse15) .cse6 (and .cse13 .cse22 (= 0 ~methAndRunningLastTime~0))) (or .cse20 .cse9 .cse3 .cse15) (or .cse0 .cse23) (or .cse9 .cse18 .cse2 .cse11 .cse19) (or .cse3 (or .cse8 .cse9 .cse6 .cse7) .cse4) (or .cse15 .cse23 (or .cse24 .cse11 .cse14)) (or .cse16 .cse9 .cse3 .cse25 .cse6 .cse14) (or (and .cse13 (and .cse21 .cse22)) .cse9 (and .cse1 .cse15) .cse11 .cse6 .cse14) (or .cse16 .cse20 .cse9 .cse17 .cse11 .cse6) (or .cse10 .cse9 .cse11 .cse6 .cse14 .cse7) (or .cse20 .cse12 .cse9 .cse3 .cse13) (or .cse16 .cse20 .cse9 .cse3 (and .cse21 .cse25) .cse6) (or .cse20 .cse12 .cse9 .cse13 .cse11 .cse6) (or (or .cse24 .cse11 .cse6 .cse14) .cse1) (or .cse24 .cse16 .cse2 .cse11 .cse25))))) [2018-12-03 05:22:51,463 INFO L444 ceAbstractionStarter]: At program point L374(line 374) the Hoare annotation is: (let ((.cse21 (= ~methaneLevelCritical~0 1)) (.cse19 (= ~methaneLevelCritical~0 0))) (let ((.cse11 (= ~waterLevel~0 2)) (.cse14 (not (= 1 |old(~pumpRunning~0)|))) (.cse15 (not (= |old(~waterLevel~0)| 2))) (.cse18 (< |old(~pumpRunning~0)| 1)) (.cse6 (< ~methaneLevelCritical~0 1)) (.cse7 (not (= ~systemActive~0 1))) (.cse5 (not .cse19)) (.cse13 (not .cse21)) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0)))) (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 0))) (.cse16 (and (or .cse8 .cse5) (or .cse13 .cse8))) (.cse0 (or .cse18 .cse6 .cse7 .cse8)) (.cse10 (= 0 ~methAndRunningLastTime~0)) (.cse9 (or .cse18 .cse7 .cse8 .cse5)) (.cse2 (and (or .cse14 .cse8 .cse5 .cse15) (or .cse13 .cse14 .cse8 .cse15))) (.cse1 (let ((.cse20 (= ~pumpRunning~0 1))) (or (and .cse11 .cse19 .cse20) (and .cse11 .cse20 .cse21)))) (.cse17 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 (or .cse4 .cse5)) (or .cse6 .cse4 .cse7 .cse8) (or .cse9 .cse10) (or (and .cse11 (= ~methAndRunningLastTime~0 1)) .cse7 (let ((.cse12 (not (= |old(~methAndRunningLastTime~0)| 1)))) (and (or .cse12 .cse13 .cse14 .cse15) (or .cse12 .cse14 .cse5 .cse15)))) (or .cse4 .cse7 .cse8 .cse5) (or .cse0 .cse16 .cse10) (or .cse17 (or .cse18 .cse7 .cse5)) (or .cse6 .cse4 .cse3) (or .cse18 (< 0 |old(~waterLevel~0)|) .cse16 (<= ~waterLevel~0 0) .cse7) (or .cse0 .cse10 .cse14) (or .cse9 .cse2 .cse1) (or .cse17 (or .cse18 .cse6 .cse7)))))) [2018-12-03 05:22:51,463 INFO L448 ceAbstractionStarter]: For program point L372(lines 371 390) no Hoare annotation was computed. [2018-12-03 05:22:51,463 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 368 391) the Hoare annotation is: (let ((.cse28 (= ~methaneLevelCritical~0 0)) (.cse30 (= ~methaneLevelCritical~0 1))) (let ((.cse2 (< ~methaneLevelCritical~0 1)) (.cse10 (= 0 ~methAndRunningLastTime~0)) (.cse17 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse21 (= |old(~waterLevel~0)| 1)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (= ~waterLevel~0 2)) (.cse25 (not .cse30)) (.cse27 (not (= 1 |old(~pumpRunning~0)|))) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse24 (< |old(~pumpRunning~0)| 1)) (.cse11 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse12 (not .cse28))) (let ((.cse9 (or .cse24 .cse11 .cse5 .cse12)) (.cse14 (and (or .cse27 .cse5 .cse12 .cse8) (or .cse25 .cse27 .cse5 .cse8))) (.cse15 (let ((.cse29 (= ~pumpRunning~0 1))) (or (and .cse6 .cse28 .cse29) (and .cse6 .cse29 .cse30)))) (.cse1 (< 0 |old(~waterLevel~0)|)) (.cse0 (<= ~waterLevel~0 0)) (.cse23 (or .cse3 .cse12)) (.cse22 (not (= ~waterLevel~0 1))) (.cse7 (or .cse21 .cse3 .cse12)) (.cse4 (not (= ~systemActive~0 0))) (.cse18 (= 1 ~waterLevel~0)) (.cse19 (and (or .cse5 .cse12) (or .cse25 .cse5))) (.cse20 (not .cse21)) (.cse16 (and .cse10 .cse17)) (.cse13 (or .cse24 .cse2 .cse11 .cse5))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse4 .cse6 .cse7 .cse5 .cse8) (or .cse9 .cse10) (or .cse1 .cse3 .cse11 .cse5 .cse12 .cse0) (or .cse13 .cse14 .cse15) (or .cse2 .cse3 .cse4 .cse5 .cse10) (or .cse2 .cse3 .cse16 .cse11 .cse5) (or .cse2 .cse3 .cse4 .cse17) (or .cse3 .cse18 .cse19 .cse11 .cse20) (or .cse2 .cse21 .cse3 .cse11 .cse5 .cse22) (or .cse4 (= ~methAndRunningLastTime~0 0) .cse23 .cse5) (or .cse17 (or .cse24 .cse11 .cse12)) (or .cse6 .cse4 (or .cse25 .cse3 .cse5 .cse8)) (or .cse1 .cse2 .cse3 .cse0 .cse11 .cse5) (or .cse1 .cse3 .cse4 .cse0 .cse5 .cse12) (or .cse9 .cse14 .cse15) (or .cse2 .cse21 .cse3 .cse4 .cse22) (or .cse21 .cse3 .cse11 .cse5 .cse12 .cse22) (or .cse13 .cse10 .cse19) (or .cse24 .cse1 .cse19 .cse11 .cse0) (or .cse25 .cse3 .cse11 .cse5 .cse8 .cse6) (or .cse4 .cse17 .cse23) (or .cse22 .cse4 .cse7) (or .cse3 .cse4 .cse18 .cse19 .cse20) (or (and .cse6 (= ~methAndRunningLastTime~0 1)) .cse11 (let ((.cse26 (not (= |old(~methAndRunningLastTime~0)| 1)))) (and (or .cse26 .cse25 .cse27 .cse8) (or .cse26 .cse27 .cse12 .cse8)))) (or .cse3 .cse6 .cse11 .cse5 .cse12 .cse8) (or .cse3 .cse16 .cse11 .cse5 .cse12) (or .cse13 .cse10 .cse27) (or .cse17 (or .cse24 .cse2 .cse11)))))) [2018-12-03 05:22:51,463 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 368 391) no Hoare annotation was computed. [2018-12-03 05:22:51,463 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 368 391) no Hoare annotation was computed. [2018-12-03 05:22:51,463 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 143 172) no Hoare annotation was computed. [2018-12-03 05:22:51,463 INFO L448 ceAbstractionStarter]: For program point L157(lines 157 161) no Hoare annotation was computed. [2018-12-03 05:22:51,463 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 143 172) the Hoare annotation is: true [2018-12-03 05:22:51,463 INFO L451 ceAbstractionStarter]: At program point L157-1(lines 157 161) the Hoare annotation is: true [2018-12-03 05:22:51,463 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-03 05:22:51,463 INFO L451 ceAbstractionStarter]: At program point L153-2(lines 153 167) the Hoare annotation is: true [2018-12-03 05:22:51,464 INFO L451 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: true [2018-12-03 05:22:51,464 INFO L448 ceAbstractionStarter]: For program point L149-1(line 149) no Hoare annotation was computed. [2018-12-03 05:22:51,464 INFO L451 ceAbstractionStarter]: At program point L168(lines 143 172) the Hoare annotation is: true [2018-12-03 05:22:51,464 INFO L448 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2018-12-03 05:22:51,464 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-12-03 05:22:51,464 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-12-03 05:22:51,464 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-12-03 05:22:51,464 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 2)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse7 (< ~pumpRunning~0 1)) (.cse8 (< 0 |old(~waterLevel~0)|)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse9 (<= ~waterLevel~0 0)) (.cse10 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (let ((.cse2 (not (= ~methAndRunningLastTime~0 1)))) (and (or .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse4 .cse6 .cse5)))) (or .cse7 .cse8 (or .cse1 .cse6) .cse9 .cse10) (or .cse0 .cse1 (and (or .cse4 .cse6 .cse5) (or .cse3 .cse4 .cse5)) .cse10) (or .cse7 .cse8 .cse1 .cse3 .cse9 .cse10))) [2018-12-03 05:22:51,464 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-12-03 05:22:51,464 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-12-03 05:22:51,464 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 198 204) no Hoare annotation was computed. [2018-12-03 05:22:51,464 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 198 204) the Hoare annotation is: true [2018-12-03 05:22:51,464 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 05:22:51,464 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1) (= 0 ~methAndRunningLastTime~0)) [2018-12-03 05:22:51,464 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 05:22:51,464 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 05:22:51,464 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 400 424) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or (< |old(~pumpRunning~0)| 1) .cse0 .cse1) .cse2) (or .cse3 .cse0 .cse4 .cse1 .cse2) (or (< ~methaneLevelCritical~0 1) .cse3 .cse2 .cse0 .cse4))) [2018-12-03 05:22:51,465 INFO L444 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 2))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse5 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse1 .cse2 .cse3 .cse5) (or (< |old(~pumpRunning~0)| 1) .cse1 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse5))) [2018-12-03 05:22:51,465 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 400 424) no Hoare annotation was computed. [2018-12-03 05:22:51,465 INFO L444 ceAbstractionStarter]: At program point L410(line 410) the Hoare annotation is: (let ((.cse7 (= ~methaneLevelCritical~0 1)) (.cse11 (= ~methAndRunningLastTime~0 0)) (.cse10 (= ~methaneLevelCritical~0 0))) (let ((.cse5 (let ((.cse12 (= processEnvironment__wrappee__highWaterSensor_~tmp~3 1))) (or (and .cse11 .cse12 .cse7) (and .cse11 .cse12 .cse10)))) (.cse9 (< ~methaneLevelCritical~0 1)) (.cse4 (not (= ~waterLevel~0 1))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (< 0 ~waterLevel~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not .cse11)) (.cse3 (not .cse10))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6)) (or .cse0 (or (not .cse7) .cse2) .cse1 .cse5) (or (< |old(~pumpRunning~0)| 1) .cse1 .cse3) (or .cse8 .cse9 .cse0 .cse1 .cse2) (or .cse9 .cse0 .cse1 .cse2 (and .cse4 .cse6)) (or .cse8 .cse0 .cse1 .cse2 .cse3)))) [2018-12-03 05:22:51,465 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 416) no Hoare annotation was computed. [2018-12-03 05:22:51,465 INFO L444 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (< |old(~pumpRunning~0)| 1) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse1 .cse4) (or (< ~methaneLevelCritical~0 1) .cse2 .cse4 .cse0 .cse3))) [2018-12-03 05:22:51,465 INFO L448 ceAbstractionStarter]: For program point L406-1(line 406) no Hoare annotation was computed. [2018-12-03 05:22:51,465 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 421) no Hoare annotation was computed. [2018-12-03 05:22:51,465 INFO L444 ceAbstractionStarter]: At program point L419(line 419) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or (< |old(~pumpRunning~0)| 1) .cse1 .cse3) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2))) [2018-12-03 05:22:51,465 INFO L448 ceAbstractionStarter]: For program point L419-1(lines 400 424) no Hoare annotation was computed. [2018-12-03 05:22:51,465 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-12-03 05:22:51,465 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-12-03 05:22:51,465 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse10 (not (= ~methaneLevelCritical~0 1)))) (let ((.cse1 (< ~methaneLevelCritical~0 1)) (.cse6 (not (= ~systemActive~0 0))) (.cse11 (= 1 ~waterLevel~0)) (.cse12 (and .cse8 .cse10)) (.cse13 (not (= |old(~waterLevel~0)| 1))) (.cse0 (< 0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse2 (<= ~waterLevel~0 0)) (.cse5 (not (= ~methAndRunningLastTime~0 0))) (.cse7 (= ~waterLevel~0 2)) (.cse4 (not (= ~systemActive~0 1))) (.cse14 (not (= 1 ~pumpRunning~0))) (.cse9 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (or .cse3 .cse4) .cse5) (or .cse6 .cse7 (and (or .cse3 .cse5 .cse8 .cse9) (or .cse10 .cse3 .cse5 .cse9))) (or .cse0 .cse1 .cse6 .cse2 .cse5 .cse3) (or .cse0 .cse6 (or .cse3 .cse8) .cse5 .cse2) (or .cse3 .cse6 .cse11 .cse12 .cse13 .cse5) (or (< ~pumpRunning~0 1) .cse0 .cse2 (or .cse4 .cse8) .cse5) (or .cse3 .cse11 .cse12 .cse4 .cse13 .cse5) (or .cse7 .cse4 (and (or .cse14 .cse8 .cse9) (or .cse10 .cse14 .cse9)) .cse5) (or .cse0 (or .cse3 .cse4 .cse8) .cse2 .cse5) (or .cse7 .cse4 (or (not (= ~methAndRunningLastTime~0 1)) .cse10 .cse14 .cse9))))) [2018-12-03 05:22:51,465 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 286 293) no Hoare annotation was computed. [2018-12-03 05:22:51,466 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 286 293) the Hoare annotation is: true [2018-12-03 05:22:51,466 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 290) no Hoare annotation was computed. [2018-12-03 05:22:51,466 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 286 293) no Hoare annotation was computed. [2018-12-03 05:22:51,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 05:22:51 BoogieIcfgContainer [2018-12-03 05:22:51,475 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 05:22:51,475 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 05:22:51,476 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 05:22:51,476 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 05:22:51,476 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:22:15" (3/4) ... [2018-12-03 05:22:51,478 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 05:22:51,482 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-03 05:22:51,482 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-03 05:22:51,482 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 05:22:51,482 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-03 05:22:51,482 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-03 05:22:51,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-03 05:22:51,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-03 05:22:51,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-03 05:22:51,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-03 05:22:51,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-03 05:22:51,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-03 05:22:51,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-03 05:22:51,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-03 05:22:51,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-03 05:22:51,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-03 05:22:51,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 05:22:51,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-03 05:22:51,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-03 05:22:51,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-03 05:22:51,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-03 05:22:51,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-03 05:22:51,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-03 05:22:51,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-03 05:22:51,483 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-03 05:22:51,484 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-03 05:22:51,484 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-03 05:22:51,484 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-03 05:22:51,488 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-03 05:22:51,488 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-03 05:22:51,488 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-03 05:22:51,489 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-03 05:22:51,489 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-03 05:22:51,489 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-03 05:22:51,506 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((1 <= pumpRunning && !(waterLevel == 1)) && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) || ((((systemActive == 0 && 0 == pumpRunning) && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0) [2018-12-03 05:22:51,506 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-03 05:22:51,530 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ad59ee6d-0e42-49c6-b84f-a2fda9574198/bin-2019/utaipan/witness.graphml [2018-12-03 05:22:51,530 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 05:22:51,530 INFO L168 Benchmark]: Toolchain (without parser) took 36803.26 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.7 GB). Free memory was 947.0 MB in the beginning and 2.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 565.5 MB. Max. memory is 11.5 GB. [2018-12-03 05:22:51,531 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 05:22:51,531 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -152.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2018-12-03 05:22:51,531 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.20 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 05:22:51,531 INFO L168 Benchmark]: Boogie Preprocessor took 23.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-03 05:22:51,531 INFO L168 Benchmark]: RCFGBuilder took 335.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. [2018-12-03 05:22:51,531 INFO L168 Benchmark]: TraceAbstraction took 36068.13 ms. Allocated memory was 1.1 GB in the beginning and 2.7 GB in the end (delta: 1.6 GB). Free memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-12-03 05:22:51,532 INFO L168 Benchmark]: Witness Printer took 54.53 ms. Allocated memory is still 2.7 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 104.1 kB). Peak memory consumption was 104.1 kB. Max. memory is 11.5 GB. [2018-12-03 05:22:51,533 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 295.38 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -152.8 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.20 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 335.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.9 MB). Peak memory consumption was 43.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 36068.13 ms. Allocated memory was 1.1 GB in the beginning and 2.7 GB in the end (delta: 1.6 GB). Free memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: -1.0 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * Witness Printer took 54.53 ms. Allocated memory is still 2.7 GB. Free memory was 2.1 GB in the beginning and 2.1 GB in the end (delta: 104.1 kB). Peak memory consumption was 104.1 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 290]: 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: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (((((((((((((1 <= pumpRunning && !(waterLevel == 1)) && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) || ((((systemActive == 0 && 0 == pumpRunning) && 1 <= methaneLevelCritical) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 1 <= methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(systemActive) == 1)) || ((((systemActive == 0 && 0 == methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter == 0) && 0 == methAndRunningLastTime)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((((1 <= pumpRunning && 0 == methaneLevelCritical) && systemActive == 1) && 0 == methAndRunningLastTime) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 147 locations, 1 error locations. SAFE Result, 36.0s OverallTime, 14 OverallIterations, 3 TraceHistogramMax, 17.8s AutomataDifference, 0.0s DeadEndRemovalTime, 11.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2753 SDtfs, 2009 SDslu, 9426 SDs, 0 SdLazy, 6285 SolverSat, 417 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.3s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 1219 GetRequests, 1055 SyntacticMatches, 13 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1484 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5115occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.7s AbstIntTime, 4 AbstIntIterations, 1 AbstIntStrong, 0.9963859988179973 AbsIntWeakeningRatio, 0.8159509202453987 AbsIntAvgWeakeningVarsNumRemoved, 25.914110429447852 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 14 MinimizatonAttempts, 1046 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 7394 PreInvPairs, 7790 NumberOfFragments, 5917 HoareAnnotationTreeSize, 7394 FomulaSimplifications, 27269 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 62 FomulaSimplificationsInter, 75750 FormulaSimplificationTreeSizeReductionInter, 10.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1875 NumberOfCodeBlocks, 1875 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2309 ConstructedInterpolants, 0 QuantifiedInterpolants, 439553 SizeOfPredicates, 6 NumberOfNonLiveVariables, 2676 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 20 InterpolantComputations, 14 PerfectInterpolantSequences, 515/559 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...