./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product32_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_840991ca-c985-45c3-8203-9b7ebf9dfdf1/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_840991ca-c985-45c3-8203-9b7ebf9dfdf1/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_840991ca-c985-45c3-8203-9b7ebf9dfdf1/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_840991ca-c985-45c3-8203-9b7ebf9dfdf1/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product32_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_840991ca-c985-45c3-8203-9b7ebf9dfdf1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_840991ca-c985-45c3-8203-9b7ebf9dfdf1/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 bb510668f2dd04ac28a032bdee29cf8f22a1b5a1 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 16:03:43,197 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:03:43,198 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:03:43,204 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:03:43,205 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:03:43,205 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:03:43,206 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:03:43,207 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:03:43,207 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:03:43,208 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:03:43,208 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:03:43,208 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:03:43,209 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:03:43,209 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:03:43,210 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:03:43,210 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:03:43,211 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:03:43,211 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:03:43,212 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:03:43,213 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:03:43,213 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:03:43,214 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:03:43,215 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:03:43,215 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:03:43,215 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:03:43,216 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:03:43,216 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:03:43,217 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:03:43,217 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:03:43,218 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:03:43,218 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:03:43,218 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:03:43,218 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:03:43,218 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:03:43,219 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:03:43,219 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:03:43,219 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_840991ca-c985-45c3-8203-9b7ebf9dfdf1/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 16:03:43,226 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:03:43,226 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:03:43,227 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:03:43,227 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 16:03:43,227 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 16:03:43,227 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 16:03:43,227 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 16:03:43,227 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 16:03:43,227 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 16:03:43,228 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 16:03:43,228 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 16:03:43,228 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 16:03:43,228 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 16:03:43,228 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:03:43,228 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:03:43,228 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:03:43,228 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:03:43,229 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:03:43,229 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:03:43,229 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:03:43,229 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:03:43,229 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:03:43,229 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:03:43,229 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:03:43,229 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:03:43,229 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 16:03:43,229 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:03:43,230 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 16:03:43,230 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:03:43,230 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:03:43,230 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:03:43,230 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:03:43,230 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 16:03:43,230 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:03:43,230 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 16:03:43,230 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 16:03:43,230 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_840991ca-c985-45c3-8203-9b7ebf9dfdf1/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 -> bb510668f2dd04ac28a032bdee29cf8f22a1b5a1 [2018-12-08 16:03:43,247 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:03:43,253 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:03:43,255 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:03:43,256 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:03:43,256 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:03:43,256 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_840991ca-c985-45c3-8203-9b7ebf9dfdf1/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product32_true-unreach-call_false-termination.cil.c [2018-12-08 16:03:43,289 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_840991ca-c985-45c3-8203-9b7ebf9dfdf1/bin-2019/utaipan/data/4a3616df1/f2024b1733564d47993ce53fbf94b297/FLAG96874b8ab [2018-12-08 16:03:43,686 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:03:43,686 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_840991ca-c985-45c3-8203-9b7ebf9dfdf1/sv-benchmarks/c/product-lines/minepump_spec4_product32_true-unreach-call_false-termination.cil.c [2018-12-08 16:03:43,692 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_840991ca-c985-45c3-8203-9b7ebf9dfdf1/bin-2019/utaipan/data/4a3616df1/f2024b1733564d47993ce53fbf94b297/FLAG96874b8ab [2018-12-08 16:03:43,700 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_840991ca-c985-45c3-8203-9b7ebf9dfdf1/bin-2019/utaipan/data/4a3616df1/f2024b1733564d47993ce53fbf94b297 [2018-12-08 16:03:43,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:03:43,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:03:43,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:03:43,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:03:43,705 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:03:43,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:03:43" (1/1) ... [2018-12-08 16:03:43,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@354f5439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:03:43, skipping insertion in model container [2018-12-08 16:03:43,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:03:43" (1/1) ... [2018-12-08 16:03:43,711 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:03:43,731 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:03:43,878 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:03:43,923 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:03:43,964 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:03:43,979 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:03:43,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:03:43 WrapperNode [2018-12-08 16:03:43,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:03:43,980 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:03:43,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:03:43,980 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:03:43,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:03:43" (1/1) ... [2018-12-08 16:03:43,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:03:43" (1/1) ... [2018-12-08 16:03:44,000 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:03:44,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:03:44,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:03:44,001 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:03:44,006 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:03:43" (1/1) ... [2018-12-08 16:03:44,007 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:03:43" (1/1) ... [2018-12-08 16:03:44,009 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:03:43" (1/1) ... [2018-12-08 16:03:44,009 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:03:43" (1/1) ... [2018-12-08 16:03:44,015 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:03:43" (1/1) ... [2018-12-08 16:03:44,019 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:03:43" (1/1) ... [2018-12-08 16:03:44,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:03:43" (1/1) ... [2018-12-08 16:03:44,022 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:03:44,022 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:03:44,022 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:03:44,022 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:03:44,023 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:03:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_840991ca-c985-45c3-8203-9b7ebf9dfdf1/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 [2018-12-08 16:03:44,057 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 16:03:44,057 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 16:03:44,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-08 16:03:44,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-08 16:03:44,057 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 16:03:44,057 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 16:03:44,057 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-08 16:03:44,057 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-08 16:03:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 16:03:44,058 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 16:03:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 16:03:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 16:03:44,058 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 16:03:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 16:03:44,058 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 16:03:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 16:03:44,058 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 16:03:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 16:03:44,058 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 16:03:44,058 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 16:03:44,059 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 16:03:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 16:03:44,059 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 16:03:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 16:03:44,059 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 16:03:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 16:03:44,059 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 16:03:44,059 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 16:03:44,059 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 16:03:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 16:03:44,060 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 16:03:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-08 16:03:44,060 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-08 16:03:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 16:03:44,060 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 16:03:44,060 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 16:03:44,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 16:03:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 16:03:44,061 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 16:03:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 16:03:44,061 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 16:03:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 16:03:44,061 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 16:03:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 16:03:44,061 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 16:03:44,061 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 16:03:44,062 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 16:03:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 16:03:44,062 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 16:03:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 16:03:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 16:03:44,062 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 16:03:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 16:03:44,062 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 16:03:44,062 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 16:03:44,063 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 16:03:44,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:03:44,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:03:44,358 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:03:44,358 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 16:03:44,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:03:44 BoogieIcfgContainer [2018-12-08 16:03:44,358 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:03:44,359 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 16:03:44,359 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 16:03:44,361 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 16:03:44,361 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 04:03:43" (1/3) ... [2018-12-08 16:03:44,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3982edf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:03:44, skipping insertion in model container [2018-12-08 16:03:44,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:03:43" (2/3) ... [2018-12-08 16:03:44,362 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3982edf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:03:44, skipping insertion in model container [2018-12-08 16:03:44,362 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:03:44" (3/3) ... [2018-12-08 16:03:44,363 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product32_true-unreach-call_false-termination.cil.c [2018-12-08 16:03:44,369 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 16:03:44,374 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 16:03:44,384 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 16:03:44,403 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 16:03:44,403 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 16:03:44,404 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 16:03:44,404 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 16:03:44,404 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 16:03:44,404 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 16:03:44,404 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 16:03:44,404 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 16:03:44,416 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states. [2018-12-08 16:03:44,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-08 16:03:44,421 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:44,422 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] [2018-12-08 16:03:44,423 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:03:44,426 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:44,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1468070816, now seen corresponding path program 1 times [2018-12-08 16:03:44,428 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:03:44,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:44,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:44,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:44,457 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:03:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:44,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:44,570 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:03:44,570 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 16:03:44,570 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:03:44,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 16:03:44,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 16:03:44,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 16:03:44,583 INFO L87 Difference]: Start difference. First operand 145 states. Second operand 2 states. [2018-12-08 16:03:44,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:44,605 INFO L93 Difference]: Finished difference Result 264 states and 327 transitions. [2018-12-08 16:03:44,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 16:03:44,606 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-08 16:03:44,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:44,614 INFO L225 Difference]: With dead ends: 264 [2018-12-08 16:03:44,614 INFO L226 Difference]: Without dead ends: 132 [2018-12-08 16:03:44,616 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 [2018-12-08 16:03:44,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-12-08 16:03:44,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-12-08 16:03:44,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-12-08 16:03:44,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 155 transitions. [2018-12-08 16:03:44,649 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 155 transitions. Word has length 46 [2018-12-08 16:03:44,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:44,649 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 155 transitions. [2018-12-08 16:03:44,649 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 16:03:44,649 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 155 transitions. [2018-12-08 16:03:44,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-08 16:03:44,651 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:44,651 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] [2018-12-08 16:03:44,652 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:03:44,652 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:44,652 INFO L82 PathProgramCache]: Analyzing trace with hash 85978052, now seen corresponding path program 1 times [2018-12-08 16:03:44,652 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:03:44,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:44,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:44,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:44,653 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:03:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:44,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:44,702 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:03:44,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 16:03:44,703 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:03:44,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 16:03:44,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 16:03:44,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 16:03:44,704 INFO L87 Difference]: Start difference. First operand 132 states and 155 transitions. Second operand 3 states. [2018-12-08 16:03:44,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:44,717 INFO L93 Difference]: Finished difference Result 203 states and 237 transitions. [2018-12-08 16:03:44,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:03:44,717 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-08 16:03:44,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:44,718 INFO L225 Difference]: With dead ends: 203 [2018-12-08 16:03:44,718 INFO L226 Difference]: Without dead ends: 123 [2018-12-08 16:03:44,719 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 [2018-12-08 16:03:44,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-12-08 16:03:44,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-12-08 16:03:44,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-12-08 16:03:44,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 143 transitions. [2018-12-08 16:03:44,726 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 143 transitions. Word has length 47 [2018-12-08 16:03:44,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:44,727 INFO L480 AbstractCegarLoop]: Abstraction has 123 states and 143 transitions. [2018-12-08 16:03:44,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 16:03:44,727 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 143 transitions. [2018-12-08 16:03:44,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 16:03:44,728 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:44,728 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] [2018-12-08 16:03:44,728 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:03:44,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:44,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1750050301, now seen corresponding path program 1 times [2018-12-08 16:03:44,729 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:03:44,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:44,729 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:44,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:44,730 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:03:44,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:44,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:44,795 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:03:44,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 16:03:44,796 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:03:44,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 16:03:44,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 16:03:44,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:03:44,796 INFO L87 Difference]: Start difference. First operand 123 states and 143 transitions. Second operand 7 states. [2018-12-08 16:03:45,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:45,058 INFO L93 Difference]: Finished difference Result 371 states and 449 transitions. [2018-12-08 16:03:45,058 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 16:03:45,058 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-08 16:03:45,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:45,061 INFO L225 Difference]: With dead ends: 371 [2018-12-08 16:03:45,061 INFO L226 Difference]: Without dead ends: 272 [2018-12-08 16:03:45,062 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 [2018-12-08 16:03:45,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2018-12-08 16:03:45,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 260. [2018-12-08 16:03:45,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 260 states. [2018-12-08 16:03:45,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 260 states and 314 transitions. [2018-12-08 16:03:45,088 INFO L78 Accepts]: Start accepts. Automaton has 260 states and 314 transitions. Word has length 52 [2018-12-08 16:03:45,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:45,089 INFO L480 AbstractCegarLoop]: Abstraction has 260 states and 314 transitions. [2018-12-08 16:03:45,089 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 16:03:45,089 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 314 transitions. [2018-12-08 16:03:45,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 16:03:45,091 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:45,091 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] [2018-12-08 16:03:45,091 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:03:45,091 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:45,091 INFO L82 PathProgramCache]: Analyzing trace with hash -1620432323, now seen corresponding path program 1 times [2018-12-08 16:03:45,091 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:03:45,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:45,092 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:45,092 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:45,093 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:03:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:45,198 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:45,198 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:03:45,198 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-08 16:03:45,198 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:03:45,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 16:03:45,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 16:03:45,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-08 16:03:45,199 INFO L87 Difference]: Start difference. First operand 260 states and 314 transitions. Second operand 10 states. [2018-12-08 16:03:45,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:45,524 INFO L93 Difference]: Finished difference Result 920 states and 1175 transitions. [2018-12-08 16:03:45,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-08 16:03:45,524 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-12-08 16:03:45,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:45,527 INFO L225 Difference]: With dead ends: 920 [2018-12-08 16:03:45,527 INFO L226 Difference]: Without dead ends: 684 [2018-12-08 16:03:45,528 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-08 16:03:45,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 684 states. [2018-12-08 16:03:45,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 684 to 672. [2018-12-08 16:03:45,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2018-12-08 16:03:45,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 832 transitions. [2018-12-08 16:03:45,570 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 832 transitions. Word has length 57 [2018-12-08 16:03:45,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:45,570 INFO L480 AbstractCegarLoop]: Abstraction has 672 states and 832 transitions. [2018-12-08 16:03:45,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 16:03:45,570 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 832 transitions. [2018-12-08 16:03:45,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-08 16:03:45,573 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:45,573 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] [2018-12-08 16:03:45,573 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:03:45,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:45,574 INFO L82 PathProgramCache]: Analyzing trace with hash -888986269, now seen corresponding path program 1 times [2018-12-08 16:03:45,574 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:03:45,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:45,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:45,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:45,575 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:03:45,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:45,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:03:45,624 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:03:45,624 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 16:03:45,624 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:03:45,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 16:03:45,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 16:03:45,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 16:03:45,625 INFO L87 Difference]: Start difference. First operand 672 states and 832 transitions. Second operand 4 states. [2018-12-08 16:03:45,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:45,728 INFO L93 Difference]: Finished difference Result 1086 states and 1384 transitions. [2018-12-08 16:03:45,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 16:03:45,729 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-12-08 16:03:45,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:45,731 INFO L225 Difference]: With dead ends: 1086 [2018-12-08 16:03:45,731 INFO L226 Difference]: Without dead ends: 438 [2018-12-08 16:03:45,733 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 16:03:45,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2018-12-08 16:03:45,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 426. [2018-12-08 16:03:45,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2018-12-08 16:03:45,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 488 transitions. [2018-12-08 16:03:45,755 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 488 transitions. Word has length 61 [2018-12-08 16:03:45,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:45,756 INFO L480 AbstractCegarLoop]: Abstraction has 426 states and 488 transitions. [2018-12-08 16:03:45,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 16:03:45,756 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 488 transitions. [2018-12-08 16:03:45,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 16:03:45,757 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:03:45,758 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:03:45,758 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:03:45,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:45,758 INFO L82 PathProgramCache]: Analyzing trace with hash 907127010, now seen corresponding path program 1 times [2018-12-08 16:03:45,758 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:03:45,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:45,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:03:45,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:03:45,759 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:03:45,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:03:45,835 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-08 16:03:45,835 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:03:45,835 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:03:45,835 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 90 with the following transitions: [2018-12-08 16:03:45,837 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [61], [63], [64], [65], [66], [78], [107], [116], [120], [124], [127], [132], [138], [140], [146], [149], [152], [162], [163], [164], [165], [180], [187], [190], [224], [232], [236], [237], [240], [241], [242], [243], [244], [246], [247], [248], [249], [250], [251], [252], [253], [254], [268], [280], [281], [286], [287], [288], [289], [296], [297], [302], [303], [304] [2018-12-08 16:03:45,860 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:03:45,860 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:03:46,329 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 16:03:46,330 INFO L272 AbstractInterpreter]: Visited 65 different actions 133 times. Merged at 13 different actions 19 times. Never widened. Performed 4845 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4845 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 133 variables. [2018-12-08 16:03:46,338 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:03:46,338 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 16:03:46,540 INFO L227 lantSequenceWeakener]: Weakened 85 states. On average, predicates are now at 98.38% of their original sizes. [2018-12-08 16:03:46,540 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 16:03:46,584 INFO L418 sIntCurrentIteration]: We unified 88 AI predicates to 88 [2018-12-08 16:03:46,584 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 16:03:46,585 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 16:03:46,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [7] total 16 [2018-12-08 16:03:46,585 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:03:46,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-08 16:03:46,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-08 16:03:46,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2018-12-08 16:03:46,586 INFO L87 Difference]: Start difference. First operand 426 states and 488 transitions. Second operand 11 states. [2018-12-08 16:03:47,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:03:47,655 INFO L93 Difference]: Finished difference Result 755 states and 877 transitions. [2018-12-08 16:03:47,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-08 16:03:47,655 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 89 [2018-12-08 16:03:47,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:03:47,656 INFO L225 Difference]: With dead ends: 755 [2018-12-08 16:03:47,656 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 16:03:47,657 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 98 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=328, Unknown=0, NotChecked=0, Total=420 [2018-12-08 16:03:47,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 16:03:47,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 16:03:47,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 16:03:47,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 16:03:47,658 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2018-12-08 16:03:47,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:03:47,658 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 16:03:47,658 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-08 16:03:47,658 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 16:03:47,658 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 16:03:47,661 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 16:03:47,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:03:47,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:03:47,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:03:47,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:03:48,226 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 27 [2018-12-08 16:03:48,665 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2018-12-08 16:03:48,665 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2018-12-08 16:03:48,665 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2018-12-08 16:03:48,665 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2018-12-08 16:03:48,665 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 97 105) no Hoare annotation was computed. [2018-12-08 16:03:48,665 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2018-12-08 16:03:48,665 INFO L444 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~systemActive~0 1))) (or .cse0 (not (= ~systemActive~0 0))))) [2018-12-08 16:03:48,665 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2018-12-08 16:03:48,665 INFO L444 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~waterLevel~0 0))) (and (or .cse0 .cse1 (not (= ~systemActive~0 1))) (or .cse0 (not (= ~systemActive~0 0)) .cse1))) [2018-12-08 16:03:48,665 INFO L448 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-12-08 16:03:48,665 INFO L448 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2018-12-08 16:03:48,666 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2018-12-08 16:03:48,666 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2018-12-08 16:03:48,666 INFO L451 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2018-12-08 16:03:48,666 INFO L448 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-12-08 16:03:48,666 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 193 215) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 16:03:48,666 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 193 215) no Hoare annotation was computed. [2018-12-08 16:03:48,666 INFO L444 ceAbstractionStarter]: At program point L205(line 205) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~1 ~systemActive~0) (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 16:03:48,666 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 193 215) no Hoare annotation was computed. [2018-12-08 16:03:48,666 INFO L444 ceAbstractionStarter]: At program point L205-1(line 205) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~1 ~systemActive~0) (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 16:03:48,666 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-08 16:03:48,666 INFO L448 ceAbstractionStarter]: For program point L203-1(lines 203 210) no Hoare annotation was computed. [2018-12-08 16:03:48,666 INFO L448 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2018-12-08 16:03:48,666 INFO L444 ceAbstractionStarter]: At program point L200(line 200) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 16:03:48,666 INFO L444 ceAbstractionStarter]: At program point L199(line 199) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 16:03:48,666 INFO L444 ceAbstractionStarter]: At program point L199-1(line 199) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 16:03:48,666 INFO L444 ceAbstractionStarter]: At program point L734(line 734) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 16:03:48,667 INFO L448 ceAbstractionStarter]: For program point L734-1(lines 715 739) no Hoare annotation was computed. [2018-12-08 16:03:48,667 INFO L444 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-08 16:03:48,667 INFO L444 ceAbstractionStarter]: At program point L725(line 725) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-08 16:03:48,667 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 731) no Hoare annotation was computed. [2018-12-08 16:03:48,667 INFO L444 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-08 16:03:48,667 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 715 739) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 16:03:48,667 INFO L448 ceAbstractionStarter]: For program point L721-1(line 721) no Hoare annotation was computed. [2018-12-08 16:03:48,667 INFO L448 ceAbstractionStarter]: For program point L719(lines 719 736) no Hoare annotation was computed. [2018-12-08 16:03:48,667 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 715 739) no Hoare annotation was computed. [2018-12-08 16:03:48,667 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 874 888) no Hoare annotation was computed. [2018-12-08 16:03:48,667 INFO L444 ceAbstractionStarter]: At program point L880(line 880) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-12-08 16:03:48,667 INFO L448 ceAbstractionStarter]: For program point L878(lines 878 884) no Hoare annotation was computed. [2018-12-08 16:03:48,667 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 874 888) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~systemActive~0)| 0)) .cse0 (= ~systemActive~0 0)) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-12-08 16:03:48,667 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 874 888) no Hoare annotation was computed. [2018-12-08 16:03:48,667 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 810 818) no Hoare annotation was computed. [2018-12-08 16:03:48,667 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 810 818) the Hoare annotation is: true [2018-12-08 16:03:48,667 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 810 818) no Hoare annotation was computed. [2018-12-08 16:03:48,667 INFO L448 ceAbstractionStarter]: For program point L864(lines 864 868) no Hoare annotation was computed. [2018-12-08 16:03:48,668 INFO L451 ceAbstractionStarter]: At program point L862(line 862) the Hoare annotation is: true [2018-12-08 16:03:48,668 INFO L448 ceAbstractionStarter]: For program point L864-2(lines 864 868) no Hoare annotation was computed. [2018-12-08 16:03:48,668 INFO L448 ceAbstractionStarter]: For program point L862-1(line 862) no Hoare annotation was computed. [2018-12-08 16:03:48,668 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 855 873) the Hoare annotation is: true [2018-12-08 16:03:48,668 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 855 873) no Hoare annotation was computed. [2018-12-08 16:03:48,668 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 855 873) no Hoare annotation was computed. [2018-12-08 16:03:48,668 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2018-12-08 16:03:48,668 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2018-12-08 16:03:48,668 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 183 192) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 16:03:48,668 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 183 192) no Hoare annotation was computed. [2018-12-08 16:03:48,668 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 183 192) no Hoare annotation was computed. [2018-12-08 16:03:48,668 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 799 809) the Hoare annotation is: true [2018-12-08 16:03:48,668 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 799 809) no Hoare annotation was computed. [2018-12-08 16:03:48,668 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 799 809) no Hoare annotation was computed. [2018-12-08 16:03:48,668 INFO L451 ceAbstractionStarter]: At program point L804(line 804) the Hoare annotation is: true [2018-12-08 16:03:48,668 INFO L448 ceAbstractionStarter]: For program point L804-1(line 804) no Hoare annotation was computed. [2018-12-08 16:03:48,669 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 791 798) the Hoare annotation is: true [2018-12-08 16:03:48,669 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 791 798) no Hoare annotation was computed. [2018-12-08 16:03:48,669 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 791 798) no Hoare annotation was computed. [2018-12-08 16:03:48,669 INFO L444 ceAbstractionStarter]: At program point L760(line 760) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 16:03:48,669 INFO L448 ceAbstractionStarter]: For program point L760-1(lines 741 765) no Hoare annotation was computed. [2018-12-08 16:03:48,669 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 741 765) no Hoare annotation was computed. [2018-12-08 16:03:48,669 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 741 765) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-08 16:03:48,669 INFO L444 ceAbstractionStarter]: At program point L755(line 755) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-08 16:03:48,669 INFO L444 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-08 16:03:48,669 INFO L448 ceAbstractionStarter]: For program point L749(lines 749 757) no Hoare annotation was computed. [2018-12-08 16:03:48,669 INFO L444 ceAbstractionStarter]: At program point L747(line 747) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-08 16:03:48,669 INFO L448 ceAbstractionStarter]: For program point L747-1(line 747) no Hoare annotation was computed. [2018-12-08 16:03:48,669 INFO L448 ceAbstractionStarter]: For program point L745(lines 745 762) no Hoare annotation was computed. [2018-12-08 16:03:48,669 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 707 713) no Hoare annotation was computed. [2018-12-08 16:03:48,669 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 707 713) the Hoare annotation is: true [2018-12-08 16:03:48,669 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 898 965) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 16:03:48,669 INFO L444 ceAbstractionStarter]: At program point L958(lines 907 959) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 16:03:48,669 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 898 965) no Hoare annotation was computed. [2018-12-08 16:03:48,669 INFO L444 ceAbstractionStarter]: At program point L948(line 948) the Hoare annotation is: (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 16:03:48,670 INFO L448 ceAbstractionStarter]: For program point L946(lines 946 952) no Hoare annotation was computed. [2018-12-08 16:03:48,670 INFO L444 ceAbstractionStarter]: At program point L946-1(lines 938 953) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) .cse0 .cse1) (and (= ~systemActive~0 0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 16:03:48,670 INFO L448 ceAbstractionStarter]: For program point L909(lines 908 957) no Hoare annotation was computed. [2018-12-08 16:03:48,670 INFO L444 ceAbstractionStarter]: At program point L940(line 940) the Hoare annotation is: (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 16:03:48,670 INFO L448 ceAbstractionStarter]: For program point L938(lines 938 953) no Hoare annotation was computed. [2018-12-08 16:03:48,670 INFO L444 ceAbstractionStarter]: At program point L930(line 930) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) .cse0 .cse1) (and (= ~systemActive~0 0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 16:03:48,670 INFO L448 ceAbstractionStarter]: For program point L928(lines 928 934) no Hoare annotation was computed. [2018-12-08 16:03:48,670 INFO L448 ceAbstractionStarter]: For program point L928-1(lines 928 934) no Hoare annotation was computed. [2018-12-08 16:03:48,670 INFO L444 ceAbstractionStarter]: At program point L955(lines 908 957) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) .cse0 .cse1) (and (= ~systemActive~0 0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 16:03:48,670 INFO L444 ceAbstractionStarter]: At program point L920(line 920) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (and (= ~systemActive~0 0) .cse0 .cse1) (and (= ~systemActive~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 16:03:48,670 INFO L448 ceAbstractionStarter]: For program point L918(lines 918 924) no Hoare annotation was computed. [2018-12-08 16:03:48,670 INFO L448 ceAbstractionStarter]: For program point L918-1(lines 918 924) no Hoare annotation was computed. [2018-12-08 16:03:48,670 INFO L448 ceAbstractionStarter]: For program point L910(lines 910 914) no Hoare annotation was computed. [2018-12-08 16:03:48,670 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 898 965) no Hoare annotation was computed. [2018-12-08 16:03:48,670 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 300 308) no Hoare annotation was computed. [2018-12-08 16:03:48,671 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 300 308) the Hoare annotation is: true [2018-12-08 16:03:48,671 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 300 308) no Hoare annotation was computed. [2018-12-08 16:03:48,671 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:03:48,671 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-08 16:03:48,671 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:03:48,671 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 291 299) the Hoare annotation is: true [2018-12-08 16:03:48,671 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 291 299) no Hoare annotation was computed. [2018-12-08 16:03:48,671 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 291 299) no Hoare annotation was computed. [2018-12-08 16:03:48,671 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 247 258) the Hoare annotation is: true [2018-12-08 16:03:48,671 INFO L448 ceAbstractionStarter]: For program point L251-1(lines 247 258) no Hoare annotation was computed. [2018-12-08 16:03:48,671 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 247 258) no Hoare annotation was computed. [2018-12-08 16:03:48,671 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 259 267) the Hoare annotation is: true [2018-12-08 16:03:48,672 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 259 267) no Hoare annotation was computed. [2018-12-08 16:03:48,672 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 259 267) no Hoare annotation was computed. [2018-12-08 16:03:48,672 INFO L444 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) (or .cse0 (not (= ~systemActive~0 0))) (or (not (= ~waterLevel~0 0)) .cse0 (= |old(~waterLevel~0)| 0) .cse1))) [2018-12-08 16:03:48,672 INFO L444 ceAbstractionStarter]: At program point L694(lines 694 700) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~waterLevel~0 0))) (.cse7 (= |old(~waterLevel~0)| 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 0))) (.cse1 (= ~waterLevel~0 1)) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2) (or .cse0 .cse5 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse6 .cse0 .cse7 .cse2) (or .cse0 .cse5 .cse1 .cse3))) [2018-12-08 16:03:48,672 INFO L444 ceAbstractionStarter]: At program point L689(line 689) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~systemActive~0 1))) (or .cse0 (not (= ~systemActive~0 0))))) [2018-12-08 16:03:48,672 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 683 706) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~waterLevel~0 0))) (.cse7 (= |old(~waterLevel~0)| 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 0))) (.cse1 (= ~waterLevel~0 1)) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2) (or .cse0 .cse5 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse6 .cse0 .cse7 .cse2) (or .cse0 .cse5 .cse1 .cse3))) [2018-12-08 16:03:48,672 INFO L448 ceAbstractionStarter]: For program point L687(lines 686 705) no Hoare annotation was computed. [2018-12-08 16:03:48,672 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 683 706) no Hoare annotation was computed. [2018-12-08 16:03:48,672 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 683 706) no Hoare annotation was computed. [2018-12-08 16:03:48,673 INFO L448 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2018-12-08 16:03:48,673 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 118 147) no Hoare annotation was computed. [2018-12-08 16:03:48,673 INFO L451 ceAbstractionStarter]: At program point L128-2(lines 128 142) the Hoare annotation is: true [2018-12-08 16:03:48,673 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 118 147) the Hoare annotation is: true [2018-12-08 16:03:48,673 INFO L451 ceAbstractionStarter]: At program point L124(line 124) the Hoare annotation is: true [2018-12-08 16:03:48,673 INFO L448 ceAbstractionStarter]: For program point L124-1(line 124) no Hoare annotation was computed. [2018-12-08 16:03:48,673 INFO L451 ceAbstractionStarter]: At program point L143(lines 118 147) the Hoare annotation is: true [2018-12-08 16:03:48,673 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-08 16:03:48,673 INFO L448 ceAbstractionStarter]: For program point L132(lines 132 136) no Hoare annotation was computed. [2018-12-08 16:03:48,673 INFO L451 ceAbstractionStarter]: At program point L132-1(lines 132 136) the Hoare annotation is: true [2018-12-08 16:03:48,673 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 223 234) the Hoare annotation is: true [2018-12-08 16:03:48,673 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 223 234) no Hoare annotation was computed. [2018-12-08 16:03:48,673 INFO L448 ceAbstractionStarter]: For program point L227-1(lines 223 234) no Hoare annotation was computed. [2018-12-08 16:03:48,674 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 175 181) no Hoare annotation was computed. [2018-12-08 16:03:48,674 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 175 181) the Hoare annotation is: true [2018-12-08 16:03:48,674 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:03:48,674 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-08 16:03:48,674 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 16:03:48,674 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:03:48,674 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 889 896) no Hoare annotation was computed. [2018-12-08 16:03:48,674 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 889 896) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 0)) (= ~systemActive~0 0)) [2018-12-08 16:03:48,674 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 889 896) no Hoare annotation was computed. [2018-12-08 16:03:48,674 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 235 246) no Hoare annotation was computed. [2018-12-08 16:03:48,674 INFO L448 ceAbstractionStarter]: For program point L239-1(lines 235 246) no Hoare annotation was computed. [2018-12-08 16:03:48,674 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 235 246) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~waterLevel~0 1)) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 (= |old(~waterLevel~0)| 0)) .cse1 (not (= ~waterLevel~0 0))) (or .cse0 .cse2 .cse1 .cse3) (or .cse0 (not (= ~systemActive~0 0)) .cse2 .cse3))) [2018-12-08 16:03:48,675 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 107 114) no Hoare annotation was computed. [2018-12-08 16:03:48,675 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 107 114) the Hoare annotation is: true [2018-12-08 16:03:48,675 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 111) no Hoare annotation was computed. [2018-12-08 16:03:48,675 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 107 114) no Hoare annotation was computed. [2018-12-08 16:03:48,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 04:03:48 BoogieIcfgContainer [2018-12-08 16:03:48,684 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 16:03:48,684 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:03:48,684 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:03:48,684 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:03:48,685 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:03:44" (3/4) ... [2018-12-08 16:03:48,688 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 16:03:48,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 16:03:48,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 16:03:48,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-12-08 16:03:48,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 16:03:48,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-08 16:03:48,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-08 16:03:48,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 16:03:48,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 16:03:48,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 16:03:48,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 16:03:48,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 16:03:48,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 16:03:48,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 16:03:48,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 16:03:48,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 16:03:48,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 16:03:48,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 16:03:48,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-08 16:03:48,692 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 16:03:48,693 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 16:03:48,693 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 16:03:48,693 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 16:03:48,693 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 16:03:48,693 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 16:03:48,693 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-08 16:03:48,693 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 16:03:48,693 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 16:03:48,697 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-08 16:03:48,697 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-08 16:03:48,697 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-08 16:03:48,698 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 16:03:48,698 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 16:03:48,698 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 16:03:48,716 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || ((systemActive == 0 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-08 16:03:48,717 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-08 16:03:48,745 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_840991ca-c985-45c3-8203-9b7ebf9dfdf1/bin-2019/utaipan/witness.graphml [2018-12-08 16:03:48,745 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:03:48,745 INFO L168 Benchmark]: Toolchain (without parser) took 5043.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 208.1 MB). Free memory was 948.1 MB in the beginning and 1.0 GB in the end (delta: -53.7 MB). Peak memory consumption was 154.4 MB. Max. memory is 11.5 GB. [2018-12-08 16:03:48,746 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:03:48,746 INFO L168 Benchmark]: CACSL2BoogieTranslator took 276.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 67.6 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -108.9 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-08 16:03:48,746 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.54 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. [2018-12-08 16:03:48,746 INFO L168 Benchmark]: Boogie Preprocessor took 21.52 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:03:48,746 INFO L168 Benchmark]: RCFGBuilder took 336.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. [2018-12-08 16:03:48,747 INFO L168 Benchmark]: TraceAbstraction took 4325.02 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -4.6 MB). Peak memory consumption was 287.9 MB. Max. memory is 11.5 GB. [2018-12-08 16:03:48,747 INFO L168 Benchmark]: Witness Printer took 60.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. [2018-12-08 16:03:48,749 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 276.53 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 67.6 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -108.9 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.54 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 21.52 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 336.40 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.3 MB). Peak memory consumption was 49.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4325.02 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: -4.6 MB). Peak memory consumption was 287.9 MB. Max. memory is 11.5 GB. * Witness Printer took 60.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 111]: 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: 907]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 118]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || ((systemActive == 0 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 145 locations, 1 error locations. SAFE Result, 4.2s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.8s AutomataDifference, 0.0s DeadEndRemovalTime, 1.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 871 SDtfs, 929 SDslu, 2301 SDs, 0 SdLazy, 698 SolverSat, 265 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 150 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=672occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.5s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9965168647484183 AbsIntWeakeningRatio, 1.0795454545454546 AbsIntAvgWeakeningVarsNumRemoved, 85.9090909090909 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 873 PreInvPairs, 925 NumberOfFragments, 897 HoareAnnotationTreeSize, 873 FomulaSimplifications, 1856 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 62 FomulaSimplificationsInter, 3651 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 352 NumberOfCodeBlocks, 352 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 346 ConstructedInterpolants, 0 QuantifiedInterpolants, 43640 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 21/24 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...