./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product47_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5ee47589-74dc-4e30-a386-17c9d01fccc6/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5ee47589-74dc-4e30-a386-17c9d01fccc6/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5ee47589-74dc-4e30-a386-17c9d01fccc6/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5ee47589-74dc-4e30-a386-17c9d01fccc6/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product47_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5ee47589-74dc-4e30-a386-17c9d01fccc6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5ee47589-74dc-4e30-a386-17c9d01fccc6/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 ef0694c6828fdd41a19c9b426d075f4f4dde925f .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:17:27,050 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:17:27,052 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:17:27,058 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:17:27,058 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:17:27,059 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:17:27,060 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:17:27,061 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:17:27,062 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:17:27,063 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:17:27,064 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:17:27,064 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:17:27,065 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:17:27,066 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:17:27,067 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:17:27,067 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:17:27,068 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:17:27,070 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:17:27,071 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:17:27,072 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:17:27,074 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:17:27,074 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:17:27,076 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:17:27,076 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:17:27,076 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:17:27,078 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:17:27,078 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:17:27,079 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:17:27,080 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:17:27,080 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:17:27,080 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:17:27,082 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:17:27,082 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:17:27,082 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:17:27,083 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:17:27,084 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:17:27,084 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5ee47589-74dc-4e30-a386-17c9d01fccc6/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:17:27,094 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:17:27,095 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:17:27,096 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:17:27,096 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:17:27,096 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:17:27,096 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:17:27,096 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:17:27,096 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:17:27,097 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:17:27,097 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:17:27,097 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:17:27,097 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:17:27,097 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:17:27,098 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:17:27,098 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:17:27,098 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:17:27,098 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:17:27,098 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:17:27,098 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:17:27,099 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:17:27,099 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:17:27,099 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:17:27,099 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:17:27,099 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:17:27,099 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:17:27,100 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:17:27,100 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:17:27,100 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:17:27,100 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:17:27,100 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:17:27,100 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:17:27,100 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:17:27,101 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:17:27,101 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:17:27,101 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:17:27,101 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:17:27,101 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:17:27,101 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_5ee47589-74dc-4e30-a386-17c9d01fccc6/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 -> ef0694c6828fdd41a19c9b426d075f4f4dde925f [2018-11-18 17:17:27,125 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:17:27,135 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:17:27,137 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:17:27,139 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:17:27,139 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:17:27,140 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5ee47589-74dc-4e30-a386-17c9d01fccc6/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product47_true-unreach-call_false-termination.cil.c [2018-11-18 17:17:27,187 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5ee47589-74dc-4e30-a386-17c9d01fccc6/bin-2019/utaipan/data/5884c1602/24e5ec54ff6f4f6987d8b8ab1c8435c1/FLAG3b2887466 [2018-11-18 17:17:27,565 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:17:27,565 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5ee47589-74dc-4e30-a386-17c9d01fccc6/sv-benchmarks/c/product-lines/minepump_spec1_product47_true-unreach-call_false-termination.cil.c [2018-11-18 17:17:27,577 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5ee47589-74dc-4e30-a386-17c9d01fccc6/bin-2019/utaipan/data/5884c1602/24e5ec54ff6f4f6987d8b8ab1c8435c1/FLAG3b2887466 [2018-11-18 17:17:27,943 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5ee47589-74dc-4e30-a386-17c9d01fccc6/bin-2019/utaipan/data/5884c1602/24e5ec54ff6f4f6987d8b8ab1c8435c1 [2018-11-18 17:17:27,945 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:17:27,946 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:17:27,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:17:27,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:17:27,949 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:17:27,949 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:17:27" (1/1) ... [2018-11-18 17:17:27,951 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37764a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:27, skipping insertion in model container [2018-11-18 17:17:27,951 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:17:27" (1/1) ... [2018-11-18 17:17:27,957 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:17:27,988 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:17:28,188 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:17:28,196 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:17:28,310 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:17:28,327 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:17:28,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:28 WrapperNode [2018-11-18 17:17:28,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:17:28,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:17:28,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:17:28,329 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:17:28,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:28" (1/1) ... [2018-11-18 17:17:28,347 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:28" (1/1) ... [2018-11-18 17:17:28,354 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:17:28,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:17:28,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:17:28,354 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:17:28,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:28" (1/1) ... [2018-11-18 17:17:28,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:28" (1/1) ... [2018-11-18 17:17:28,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:28" (1/1) ... [2018-11-18 17:17:28,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:28" (1/1) ... [2018-11-18 17:17:28,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:28" (1/1) ... [2018-11-18 17:17:28,380 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:28" (1/1) ... [2018-11-18 17:17:28,382 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:28" (1/1) ... [2018-11-18 17:17:28,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:17:28,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:17:28,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:17:28,386 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:17:28,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5ee47589-74dc-4e30-a386-17c9d01fccc6/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:17:28,425 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 17:17:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 17:17:28,425 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:17:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:17:28,425 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 17:17:28,425 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 17:17:28,425 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 17:17:28,425 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 17:17:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 17:17:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 17:17:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 17:17:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 17:17:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 17:17:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 17:17:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 17:17:28,426 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 17:17:28,426 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 17:17:28,427 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 17:17:28,427 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 17:17:28,427 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 17:17:28,427 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 17:17:28,427 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 17:17:28,427 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 17:17:28,427 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 17:17:28,427 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 17:17:28,427 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 17:17:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 17:17:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 17:17:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 17:17:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 17:17:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 17:17:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 17:17:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 17:17:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 17:17:28,428 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 17:17:28,428 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 17:17:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 17:17:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 17:17:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 17:17:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 17:17:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 17:17:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 17:17:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 17:17:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 17:17:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 17:17:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-18 17:17:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-18 17:17:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:17:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:17:28,429 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 17:17:28,429 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 17:17:28,430 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 17:17:28,430 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 17:17:28,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:17:28,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:17:28,430 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-18 17:17:28,430 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-18 17:17:28,871 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:17:28,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:17:28 BoogieIcfgContainer [2018-11-18 17:17:28,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:17:28,872 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:17:28,872 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:17:28,875 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:17:28,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:17:27" (1/3) ... [2018-11-18 17:17:28,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31ec68ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:17:28, skipping insertion in model container [2018-11-18 17:17:28,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:17:28" (2/3) ... [2018-11-18 17:17:28,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31ec68ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:17:28, skipping insertion in model container [2018-11-18 17:17:28,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:17:28" (3/3) ... [2018-11-18 17:17:28,879 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product47_true-unreach-call_false-termination.cil.c [2018-11-18 17:17:28,887 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:17:28,893 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:17:28,901 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:17:28,920 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:17:28,920 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:17:28,920 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:17:28,920 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:17:28,920 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:17:28,920 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:17:28,920 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:17:28,921 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:17:28,934 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states. [2018-11-18 17:17:28,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 17:17:28,941 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:17:28,942 INFO L375 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] [2018-11-18 17:17:28,944 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:17:28,948 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:17:28,949 INFO L82 PathProgramCache]: Analyzing trace with hash -857669139, now seen corresponding path program 1 times [2018-11-18 17:17:28,950 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:17:28,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:17:28,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:17:28,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:17:28,980 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:17:29,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:17:29,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:17:29,146 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:17:29,147 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 17:17:29,147 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:17:29,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 17:17:29,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 17:17:29,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 17:17:29,160 INFO L87 Difference]: Start difference. First operand 151 states. Second operand 2 states. [2018-11-18 17:17:29,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:17:29,190 INFO L93 Difference]: Finished difference Result 276 states and 345 transitions. [2018-11-18 17:17:29,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 17:17:29,192 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 17:17:29,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:17:29,200 INFO L225 Difference]: With dead ends: 276 [2018-11-18 17:17:29,200 INFO L226 Difference]: Without dead ends: 138 [2018-11-18 17:17:29,203 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 17:17:29,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-11-18 17:17:29,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-11-18 17:17:29,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-11-18 17:17:29,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 164 transitions. [2018-11-18 17:17:29,238 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 164 transitions. Word has length 46 [2018-11-18 17:17:29,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:17:29,239 INFO L480 AbstractCegarLoop]: Abstraction has 138 states and 164 transitions. [2018-11-18 17:17:29,239 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 17:17:29,239 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 164 transitions. [2018-11-18 17:17:29,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 17:17:29,241 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:17:29,241 INFO L375 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] [2018-11-18 17:17:29,241 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:17:29,241 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:17:29,241 INFO L82 PathProgramCache]: Analyzing trace with hash -168239404, now seen corresponding path program 1 times [2018-11-18 17:17:29,241 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:17:29,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:17:29,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:17:29,242 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:17:29,243 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:17:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:17:29,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:17:29,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:17:29,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:17:29,323 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:17:29,324 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:17:29,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:17:29,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:17:29,325 INFO L87 Difference]: Start difference. First operand 138 states and 164 transitions. Second operand 3 states. [2018-11-18 17:17:29,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:17:29,343 INFO L93 Difference]: Finished difference Result 217 states and 257 transitions. [2018-11-18 17:17:29,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:17:29,343 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 17:17:29,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:17:29,345 INFO L225 Difference]: With dead ends: 217 [2018-11-18 17:17:29,345 INFO L226 Difference]: Without dead ends: 128 [2018-11-18 17:17:29,346 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:17:29,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-11-18 17:17:29,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-11-18 17:17:29,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-11-18 17:17:29,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 151 transitions. [2018-11-18 17:17:29,357 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 151 transitions. Word has length 48 [2018-11-18 17:17:29,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:17:29,357 INFO L480 AbstractCegarLoop]: Abstraction has 128 states and 151 transitions. [2018-11-18 17:17:29,358 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:17:29,358 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 151 transitions. [2018-11-18 17:17:29,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 17:17:29,359 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:17:29,359 INFO L375 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] [2018-11-18 17:17:29,359 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:17:29,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:17:29,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1149909024, now seen corresponding path program 1 times [2018-11-18 17:17:29,360 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:17:29,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:17:29,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:17:29,360 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:17:29,361 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:17:29,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:17:29,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:17:29,468 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:17:29,468 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 17:17:29,468 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:17:29,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 17:17:29,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 17:17:29,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:17:29,469 INFO L87 Difference]: Start difference. First operand 128 states and 151 transitions. Second operand 7 states. [2018-11-18 17:17:29,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:17:29,938 INFO L93 Difference]: Finished difference Result 387 states and 472 transitions. [2018-11-18 17:17:29,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:17:29,939 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-18 17:17:29,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:17:29,942 INFO L225 Difference]: With dead ends: 387 [2018-11-18 17:17:29,942 INFO L226 Difference]: Without dead ends: 283 [2018-11-18 17:17:29,943 INFO L604 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 [2018-11-18 17:17:29,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2018-11-18 17:17:29,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 275. [2018-11-18 17:17:29,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2018-11-18 17:17:29,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 335 transitions. [2018-11-18 17:17:29,972 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 335 transitions. Word has length 52 [2018-11-18 17:17:29,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:17:29,972 INFO L480 AbstractCegarLoop]: Abstraction has 275 states and 335 transitions. [2018-11-18 17:17:29,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 17:17:29,972 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 335 transitions. [2018-11-18 17:17:29,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 17:17:29,974 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:17:29,974 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:17:29,975 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:17:29,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:17:29,975 INFO L82 PathProgramCache]: Analyzing trace with hash -756144031, now seen corresponding path program 1 times [2018-11-18 17:17:29,975 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:17:29,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:17:29,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:17:29,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:17:29,976 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:17:29,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:17:30,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:17:30,069 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:17:30,069 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:17:30,069 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:17:30,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:17:30,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:17:30,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:17:30,070 INFO L87 Difference]: Start difference. First operand 275 states and 335 transitions. Second operand 6 states. [2018-11-18 17:17:30,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:17:30,298 INFO L93 Difference]: Finished difference Result 762 states and 953 transitions. [2018-11-18 17:17:30,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 17:17:30,301 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2018-11-18 17:17:30,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:17:30,304 INFO L225 Difference]: With dead ends: 762 [2018-11-18 17:17:30,304 INFO L226 Difference]: Without dead ends: 511 [2018-11-18 17:17:30,306 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:17:30,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 511 states. [2018-11-18 17:17:30,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 511 to 505. [2018-11-18 17:17:30,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 505 states. [2018-11-18 17:17:30,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 505 states and 620 transitions. [2018-11-18 17:17:30,343 INFO L78 Accepts]: Start accepts. Automaton has 505 states and 620 transitions. Word has length 58 [2018-11-18 17:17:30,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:17:30,344 INFO L480 AbstractCegarLoop]: Abstraction has 505 states and 620 transitions. [2018-11-18 17:17:30,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:17:30,344 INFO L276 IsEmpty]: Start isEmpty. Operand 505 states and 620 transitions. [2018-11-18 17:17:30,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 17:17:30,346 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:17:30,347 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:17:30,347 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:17:30,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:17:30,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1528082277, now seen corresponding path program 1 times [2018-11-18 17:17:30,347 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:17:30,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:17:30,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:17:30,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:17:30,348 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:17:30,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:17:30,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:17:30,427 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:17:30,428 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 17:17:30,428 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:17:30,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 17:17:30,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 17:17:30,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:17:30,429 INFO L87 Difference]: Start difference. First operand 505 states and 620 transitions. Second operand 7 states. [2018-11-18 17:17:30,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:17:30,938 INFO L93 Difference]: Finished difference Result 1342 states and 1753 transitions. [2018-11-18 17:17:30,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 17:17:30,939 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 62 [2018-11-18 17:17:30,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:17:30,942 INFO L225 Difference]: With dead ends: 1342 [2018-11-18 17:17:30,943 INFO L226 Difference]: Without dead ends: 861 [2018-11-18 17:17:30,944 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 17:17:30,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 861 states. [2018-11-18 17:17:30,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 861 to 759. [2018-11-18 17:17:30,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 759 states. [2018-11-18 17:17:30,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 921 transitions. [2018-11-18 17:17:30,993 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 921 transitions. Word has length 62 [2018-11-18 17:17:30,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:17:30,993 INFO L480 AbstractCegarLoop]: Abstraction has 759 states and 921 transitions. [2018-11-18 17:17:30,993 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 17:17:30,993 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 921 transitions. [2018-11-18 17:17:30,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-18 17:17:30,996 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:17:30,996 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:17:30,996 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:17:30,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:17:30,996 INFO L82 PathProgramCache]: Analyzing trace with hash -2005027082, now seen corresponding path program 1 times [2018-11-18 17:17:30,996 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:17:30,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:17:30,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:17:30,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:17:30,997 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:17:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:17:31,080 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:17:31,080 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:17:31,080 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 17:17:31,080 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:17:31,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 17:17:31,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 17:17:31,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 17:17:31,081 INFO L87 Difference]: Start difference. First operand 759 states and 921 transitions. Second operand 4 states. [2018-11-18 17:17:31,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:17:31,286 INFO L93 Difference]: Finished difference Result 2812 states and 3624 transitions. [2018-11-18 17:17:31,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 17:17:31,287 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-11-18 17:17:31,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:17:31,293 INFO L225 Difference]: With dead ends: 2812 [2018-11-18 17:17:31,293 INFO L226 Difference]: Without dead ends: 2077 [2018-11-18 17:17:31,295 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 17:17:31,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2077 states. [2018-11-18 17:17:31,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2077 to 2031. [2018-11-18 17:17:31,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2031 states. [2018-11-18 17:17:31,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2031 states to 2031 states and 2551 transitions. [2018-11-18 17:17:31,363 INFO L78 Accepts]: Start accepts. Automaton has 2031 states and 2551 transitions. Word has length 99 [2018-11-18 17:17:31,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:17:31,363 INFO L480 AbstractCegarLoop]: Abstraction has 2031 states and 2551 transitions. [2018-11-18 17:17:31,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 17:17:31,364 INFO L276 IsEmpty]: Start isEmpty. Operand 2031 states and 2551 transitions. [2018-11-18 17:17:31,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-18 17:17:31,367 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:17:31,367 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:17:31,367 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:17:31,367 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:17:31,368 INFO L82 PathProgramCache]: Analyzing trace with hash -1997267723, now seen corresponding path program 1 times [2018-11-18 17:17:31,368 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:17:31,368 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:17:31,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:17:31,369 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:17:31,369 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:17:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:17:31,431 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:17:31,431 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:17:31,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:17:31,432 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:17:31,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:17:31,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:17:31,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:17:31,432 INFO L87 Difference]: Start difference. First operand 2031 states and 2551 transitions. Second operand 6 states. [2018-11-18 17:17:31,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:17:31,513 INFO L93 Difference]: Finished difference Result 4122 states and 5402 transitions. [2018-11-18 17:17:31,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 17:17:31,514 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-11-18 17:17:31,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:17:31,520 INFO L225 Difference]: With dead ends: 4122 [2018-11-18 17:17:31,520 INFO L226 Difference]: Without dead ends: 2115 [2018-11-18 17:17:31,524 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:17:31,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2115 states. [2018-11-18 17:17:31,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2115 to 2091. [2018-11-18 17:17:31,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2091 states. [2018-11-18 17:17:31,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2091 states to 2091 states and 2615 transitions. [2018-11-18 17:17:31,586 INFO L78 Accepts]: Start accepts. Automaton has 2091 states and 2615 transitions. Word has length 99 [2018-11-18 17:17:31,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:17:31,587 INFO L480 AbstractCegarLoop]: Abstraction has 2091 states and 2615 transitions. [2018-11-18 17:17:31,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:17:31,587 INFO L276 IsEmpty]: Start isEmpty. Operand 2091 states and 2615 transitions. [2018-11-18 17:17:31,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-18 17:17:31,589 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:17:31,589 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:17:31,589 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:17:31,590 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:17:31,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1103781385, now seen corresponding path program 1 times [2018-11-18 17:17:31,590 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:17:31,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:17:31,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:17:31,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:17:31,591 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:17:31,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:17:31,672 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 17:17:31,672 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:17:31,672 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 17:17:31,673 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:17:31,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 17:17:31,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 17:17:31,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:17:31,674 INFO L87 Difference]: Start difference. First operand 2091 states and 2615 transitions. Second operand 8 states. [2018-11-18 17:17:31,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:17:31,754 INFO L93 Difference]: Finished difference Result 3800 states and 4900 transitions. [2018-11-18 17:17:31,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 17:17:31,755 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2018-11-18 17:17:31,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:17:31,760 INFO L225 Difference]: With dead ends: 3800 [2018-11-18 17:17:31,761 INFO L226 Difference]: Without dead ends: 1733 [2018-11-18 17:17:31,783 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:17:31,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1733 states. [2018-11-18 17:17:31,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1733 to 1733. [2018-11-18 17:17:31,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1733 states. [2018-11-18 17:17:31,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1733 states to 1733 states and 2137 transitions. [2018-11-18 17:17:31,837 INFO L78 Accepts]: Start accepts. Automaton has 1733 states and 2137 transitions. Word has length 99 [2018-11-18 17:17:31,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:17:31,837 INFO L480 AbstractCegarLoop]: Abstraction has 1733 states and 2137 transitions. [2018-11-18 17:17:31,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 17:17:31,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 2137 transitions. [2018-11-18 17:17:31,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-18 17:17:31,839 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:17:31,839 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:17:31,840 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:17:31,840 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:17:31,840 INFO L82 PathProgramCache]: Analyzing trace with hash -398748974, now seen corresponding path program 1 times [2018-11-18 17:17:31,840 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:17:31,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:17:31,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:17:31,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:17:31,841 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:17:31,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:17:31,934 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 17:17:31,934 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:17:31,934 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:17:31,935 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 104 with the following transitions: [2018-11-18 17:17:31,936 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [46], [47], [48], [51], [53], [54], [57], [72], [75], [76], [80], [81], [83], [87], [93], [97], [101], [104], [109], [112], [117], [120], [136], [137], [138], [139], [140], [142], [147], [150], [151], [153], [158], [160], [161], [166], [168], [201], [205], [212], [213], [221], [227], [231], [232], [235], [237], [240], [242], [245], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [267], [274], [276], [277], [284], [285], [286], [287], [288], [289], [292], [296], [297], [298], [299], [300], [301], [308], [309], [310], [312], [313], [314], [316], [317], [318], [319], [320] [2018-11-18 17:17:31,962 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:17:31,963 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:17:32,286 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:17:32,287 INFO L272 AbstractInterpreter]: Visited 77 different actions 77 times. Never merged. Never widened. Performed 2509 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2509 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-11-18 17:17:32,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:17:32,301 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:17:32,504 INFO L227 lantSequenceWeakener]: Weakened 75 states. On average, predicates are now at 97.25% of their original sizes. [2018-11-18 17:17:32,504 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:17:32,604 INFO L415 sIntCurrentIteration]: We unified 102 AI predicates to 102 [2018-11-18 17:17:32,604 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:17:32,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:17:32,605 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [13] total 29 [2018-11-18 17:17:32,605 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:17:32,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 17:17:32,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 17:17:32,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-11-18 17:17:32,606 INFO L87 Difference]: Start difference. First operand 1733 states and 2137 transitions. Second operand 18 states. [2018-11-18 17:17:38,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:17:38,638 INFO L93 Difference]: Finished difference Result 3774 states and 4711 transitions. [2018-11-18 17:17:38,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-11-18 17:17:38,639 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 103 [2018-11-18 17:17:38,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:17:38,644 INFO L225 Difference]: With dead ends: 3774 [2018-11-18 17:17:38,645 INFO L226 Difference]: Without dead ends: 2065 [2018-11-18 17:17:38,647 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 121 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=187, Invalid=1145, Unknown=0, NotChecked=0, Total=1332 [2018-11-18 17:17:38,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2065 states. [2018-11-18 17:17:38,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2065 to 2040. [2018-11-18 17:17:38,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2040 states. [2018-11-18 17:17:38,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2040 states to 2040 states and 2430 transitions. [2018-11-18 17:17:38,703 INFO L78 Accepts]: Start accepts. Automaton has 2040 states and 2430 transitions. Word has length 103 [2018-11-18 17:17:38,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:17:38,704 INFO L480 AbstractCegarLoop]: Abstraction has 2040 states and 2430 transitions. [2018-11-18 17:17:38,704 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 17:17:38,704 INFO L276 IsEmpty]: Start isEmpty. Operand 2040 states and 2430 transitions. [2018-11-18 17:17:38,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 17:17:38,708 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:17:38,708 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:17:38,709 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:17:38,709 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:17:38,709 INFO L82 PathProgramCache]: Analyzing trace with hash 1257737816, now seen corresponding path program 1 times [2018-11-18 17:17:38,709 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:17:38,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:17:38,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:17:38,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:17:38,710 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:17:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:17:38,812 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:17:38,812 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:17:38,812 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:17:38,812 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-11-18 17:17:38,812 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [46], [47], [48], [51], [53], [54], [57], [60], [62], [68], [72], [75], [76], [80], [81], [82], [83], [87], [93], [97], [101], [104], [107], [109], [112], [115], [117], [120], [136], [137], [138], [139], [140], [142], [147], [150], [151], [153], [158], [160], [161], [166], [168], [198], [201], [205], [211], [212], [213], [216], [220], [221], [227], [231], [232], [235], [237], [240], [242], [245], [251], [253], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [267], [270], [271], [274], [276], [277], [278], [279], [282], [283], [284], [285], [286], [287], [288], [289], [292], [293], [296], [297], [298], [299], [300], [301], [306], [307], [308], [309], [310], [311], [312], [313], [314], [316], [317], [318], [319], [320] [2018-11-18 17:17:38,815 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:17:38,815 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:17:40,209 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:17:40,209 INFO L272 AbstractInterpreter]: Visited 124 different actions 853 times. Merged at 21 different actions 73 times. Never widened. Performed 29286 root evaluator evaluations with a maximum evaluation depth of 3. Performed 29286 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 18 fixpoints after 5 different actions. Largest state had 132 variables. [2018-11-18 17:17:40,221 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:17:40,222 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:17:40,222 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:17:40,222 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5ee47589-74dc-4e30-a386-17c9d01fccc6/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:17:40,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:17:40,238 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:17:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:17:40,317 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:17:40,438 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 17:17:40,438 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:17:40,737 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 17:17:40,754 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 17:17:40,754 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-18 17:17:40,754 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:17:40,754 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 17:17:40,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 17:17:40,755 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 17:17:40,755 INFO L87 Difference]: Start difference. First operand 2040 states and 2430 transitions. Second operand 8 states. [2018-11-18 17:17:41,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:17:41,070 INFO L93 Difference]: Finished difference Result 3242 states and 3938 transitions. [2018-11-18 17:17:41,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 17:17:41,071 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 155 [2018-11-18 17:17:41,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:17:41,072 INFO L225 Difference]: With dead ends: 3242 [2018-11-18 17:17:41,072 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:17:41,079 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 295 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 17:17:41,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:17:41,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:17:41,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:17:41,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:17:41,081 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2018-11-18 17:17:41,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:17:41,081 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:17:41,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 17:17:41,081 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:17:41,081 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:17:41,085 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:17:41,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:41,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:17:42,271 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 19 [2018-11-18 17:17:42,718 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 41 [2018-11-18 17:17:43,053 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 38 [2018-11-18 17:17:43,877 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 40 [2018-11-18 17:17:44,354 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 29 [2018-11-18 17:17:44,391 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 99 105) the Hoare annotation is: true [2018-11-18 17:17:44,391 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-18 17:17:44,391 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 106 114) no Hoare annotation was computed. [2018-11-18 17:17:44,391 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 106 114) the Hoare annotation is: true [2018-11-18 17:17:44,391 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 106 114) no Hoare annotation was computed. [2018-11-18 17:17:44,391 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 937 959) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:17:44,391 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 937 959) no Hoare annotation was computed. [2018-11-18 17:17:44,391 INFO L421 ceAbstractionStarter]: At program point L949(line 949) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:17:44,392 INFO L421 ceAbstractionStarter]: At program point L949-1(line 949) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:17:44,392 INFO L425 ceAbstractionStarter]: For program point L947(lines 947 954) no Hoare annotation was computed. [2018-11-18 17:17:44,392 INFO L425 ceAbstractionStarter]: For program point L947-1(lines 947 954) no Hoare annotation was computed. [2018-11-18 17:17:44,392 INFO L425 ceAbstractionStarter]: For program point L945(line 945) no Hoare annotation was computed. [2018-11-18 17:17:44,392 INFO L421 ceAbstractionStarter]: At program point L944(line 944) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:17:44,392 INFO L421 ceAbstractionStarter]: At program point L943(line 943) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:17:44,392 INFO L421 ceAbstractionStarter]: At program point L943-1(line 943) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:17:44,392 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 937 959) no Hoare annotation was computed. [2018-11-18 17:17:44,392 INFO L421 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-18 17:17:44,392 INFO L425 ceAbstractionStarter]: For program point L275-1(lines 256 280) no Hoare annotation was computed. [2018-11-18 17:17:44,393 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 256 280) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 17:17:44,393 INFO L421 ceAbstractionStarter]: At program point L270(line 270) the Hoare annotation is: (let ((.cse0 (= 0 processEnvironment__wrappee__methaneQuery_~tmp~1)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0))) (and (or (and .cse0 (= 0 ~pumpRunning~0) .cse1) .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1) .cse2))) [2018-11-18 17:17:44,393 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 256 280) no Hoare annotation was computed. [2018-11-18 17:17:44,393 INFO L421 ceAbstractionStarter]: At program point L266(line 266) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse4 (not (= ~waterLevel~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (and (= processEnvironment__wrappee__methaneQuery_~tmp~1 1) .cse3)) (or .cse0 .cse1 .cse2 .cse4) (or .cse2 (and (= 0 ~pumpRunning~0) .cse3) .cse5) (or .cse2 .cse4 .cse5))) [2018-11-18 17:17:44,393 INFO L425 ceAbstractionStarter]: For program point L264(lines 264 272) no Hoare annotation was computed. [2018-11-18 17:17:44,393 INFO L421 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= 0 ~pumpRunning~0) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 17:17:44,393 INFO L425 ceAbstractionStarter]: For program point L262-1(line 262) no Hoare annotation was computed. [2018-11-18 17:17:44,393 INFO L425 ceAbstractionStarter]: For program point L260(lines 260 277) no Hoare annotation was computed. [2018-11-18 17:17:44,393 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 415 429) no Hoare annotation was computed. [2018-11-18 17:17:44,393 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 415 429) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (= ~systemActive~0 1)) (.cse4 (not (= |old(~systemActive~0)| 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (and (not (= ~systemActive~0 0)) .cse2)) (.cse7 (= |old(~systemActive~0)| 0))) (and (or (or .cse0 .cse1) .cse2) (or .cse3 .cse4 .cse1) (or .cse5 .cse3 .cse4) (or .cse5 .cse0 .cse2) (or .cse6 .cse7 .cse1) (or .cse5 .cse6 .cse7)))) [2018-11-18 17:17:44,394 INFO L421 ceAbstractionStarter]: At program point L421(line 421) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 1)) (.cse3 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse6 (= |old(~systemActive~0)| 0))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3) (or .cse1 .cse4) (or .cse5 .cse6 .cse4) (or .cse0 .cse5 .cse6))) [2018-11-18 17:17:44,394 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 415 429) no Hoare annotation was computed. [2018-11-18 17:17:44,394 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 425) no Hoare annotation was computed. [2018-11-18 17:17:44,394 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 351 359) no Hoare annotation was computed. [2018-11-18 17:17:44,394 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 351 359) the Hoare annotation is: true [2018-11-18 17:17:44,394 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 351 359) no Hoare annotation was computed. [2018-11-18 17:17:44,394 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 92 98) no Hoare annotation was computed. [2018-11-18 17:17:44,394 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 92 98) the Hoare annotation is: true [2018-11-18 17:17:44,394 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 927 936) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:17:44,394 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 927 936) no Hoare annotation was computed. [2018-11-18 17:17:44,394 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 927 936) no Hoare annotation was computed. [2018-11-18 17:17:44,394 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 340 350) the Hoare annotation is: true [2018-11-18 17:17:44,394 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 340 350) no Hoare annotation was computed. [2018-11-18 17:17:44,395 INFO L428 ceAbstractionStarter]: At program point L345(line 345) the Hoare annotation is: true [2018-11-18 17:17:44,395 INFO L425 ceAbstractionStarter]: For program point L345-1(line 345) no Hoare annotation was computed. [2018-11-18 17:17:44,395 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 340 350) no Hoare annotation was computed. [2018-11-18 17:17:44,395 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 332 339) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-18 17:17:44,395 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 332 339) no Hoare annotation was computed. [2018-11-18 17:17:44,395 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 332 339) no Hoare annotation was computed. [2018-11-18 17:17:44,395 INFO L421 ceAbstractionStarter]: At program point L288(line 288) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse0 .cse1) (or .cse4 .cse3 .cse1))) [2018-11-18 17:17:44,395 INFO L425 ceAbstractionStarter]: For program point L288-1(line 288) no Hoare annotation was computed. [2018-11-18 17:17:44,395 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 303) no Hoare annotation was computed. [2018-11-18 17:17:44,395 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 282 306) no Hoare annotation was computed. [2018-11-18 17:17:44,395 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 282 306) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-18 17:17:44,395 INFO L421 ceAbstractionStarter]: At program point L301(line 301) the Hoare annotation is: (let ((.cse1 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 17:17:44,395 INFO L425 ceAbstractionStarter]: For program point L301-1(lines 282 306) no Hoare annotation was computed. [2018-11-18 17:17:44,396 INFO L421 ceAbstractionStarter]: At program point L296(line 296) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2018-11-18 17:17:44,396 INFO L421 ceAbstractionStarter]: At program point L292(line 292) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse0 .cse1) (or .cse4 .cse1 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2) .cse3)))) [2018-11-18 17:17:44,396 INFO L425 ceAbstractionStarter]: For program point L290(lines 290 298) no Hoare annotation was computed. [2018-11-18 17:17:44,396 INFO L425 ceAbstractionStarter]: For program point L205(lines 205 211) no Hoare annotation was computed. [2018-11-18 17:17:44,396 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 201 214) no Hoare annotation was computed. [2018-11-18 17:17:44,396 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 201 214) the Hoare annotation is: true [2018-11-18 17:17:44,396 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 201 214) no Hoare annotation was computed. [2018-11-18 17:17:44,396 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 248 254) no Hoare annotation was computed. [2018-11-18 17:17:44,396 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 248 254) the Hoare annotation is: true [2018-11-18 17:17:44,396 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 432 497) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:17:44,396 INFO L425 ceAbstractionStarter]: For program point L444(lines 444 448) no Hoare annotation was computed. [2018-11-18 17:17:44,396 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 442 489) no Hoare annotation was computed. [2018-11-18 17:17:44,397 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 432 497) no Hoare annotation was computed. [2018-11-18 17:17:44,399 INFO L421 ceAbstractionStarter]: At program point L490(lines 441 491) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 17:17:44,399 INFO L421 ceAbstractionStarter]: At program point L480(line 480) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 0))) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse4 .cse2) (and .cse0 .cse3 .cse2))) [2018-11-18 17:17:44,399 INFO L425 ceAbstractionStarter]: For program point L478(lines 478 484) no Hoare annotation was computed. [2018-11-18 17:17:44,399 INFO L421 ceAbstractionStarter]: At program point L478-1(lines 472 485) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 0))) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse4 .cse2) (and .cse0 .cse3 .cse2))) [2018-11-18 17:17:44,399 INFO L425 ceAbstractionStarter]: For program point L443(lines 442 489) no Hoare annotation was computed. [2018-11-18 17:17:44,399 INFO L425 ceAbstractionStarter]: For program point L472(lines 472 485) no Hoare annotation was computed. [2018-11-18 17:17:44,399 INFO L421 ceAbstractionStarter]: At program point L464(line 464) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse1) (and .cse2 (= ~methaneLevelCritical~0 1) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-11-18 17:17:44,400 INFO L425 ceAbstractionStarter]: For program point L462(lines 462 468) no Hoare annotation was computed. [2018-11-18 17:17:44,400 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 462 468) no Hoare annotation was computed. [2018-11-18 17:17:44,400 INFO L421 ceAbstractionStarter]: At program point L487(lines 442 489) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse1) (and .cse2 (= ~methaneLevelCritical~0 1) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-11-18 17:17:44,400 INFO L421 ceAbstractionStarter]: At program point L454(line 454) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse1) (and .cse2 (= ~methaneLevelCritical~0 1) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-11-18 17:17:44,400 INFO L425 ceAbstractionStarter]: For program point L452(lines 452 458) no Hoare annotation was computed. [2018-11-18 17:17:44,400 INFO L425 ceAbstractionStarter]: For program point L452-1(lines 452 458) no Hoare annotation was computed. [2018-11-18 17:17:44,400 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 432 497) no Hoare annotation was computed. [2018-11-18 17:17:44,400 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 307 314) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 17:17:44,400 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 307 314) no Hoare annotation was computed. [2018-11-18 17:17:44,400 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 307 314) no Hoare annotation was computed. [2018-11-18 17:17:44,400 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:17:44,400 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-18 17:17:44,400 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:17:44,401 INFO L421 ceAbstractionStarter]: At program point L320(line 320) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-18 17:17:44,401 INFO L425 ceAbstractionStarter]: For program point L320-1(line 320) no Hoare annotation was computed. [2018-11-18 17:17:44,401 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 315 331) no Hoare annotation was computed. [2018-11-18 17:17:44,401 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 315 331) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-18 17:17:44,401 INFO L421 ceAbstractionStarter]: At program point L326(line 326) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 17:17:44,401 INFO L425 ceAbstractionStarter]: For program point L326-1(lines 315 331) no Hoare annotation was computed. [2018-11-18 17:17:44,401 INFO L425 ceAbstractionStarter]: For program point L322(lines 322 328) no Hoare annotation was computed. [2018-11-18 17:17:44,401 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 396 414) no Hoare annotation was computed. [2018-11-18 17:17:44,401 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 396 414) the Hoare annotation is: true [2018-11-18 17:17:44,401 INFO L425 ceAbstractionStarter]: For program point L405(lines 405 409) no Hoare annotation was computed. [2018-11-18 17:17:44,401 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 396 414) no Hoare annotation was computed. [2018-11-18 17:17:44,401 INFO L428 ceAbstractionStarter]: At program point L403(line 403) the Hoare annotation is: true [2018-11-18 17:17:44,401 INFO L425 ceAbstractionStarter]: For program point L405-2(lines 405 409) no Hoare annotation was computed. [2018-11-18 17:17:44,402 INFO L425 ceAbstractionStarter]: For program point L403-1(line 403) no Hoare annotation was computed. [2018-11-18 17:17:44,402 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 148 159) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= ~methaneLevelCritical~0 1)) (or .cse0 .cse1 .cse2) (or .cse2 (= ~systemActive~0 0) .cse1))) [2018-11-18 17:17:44,402 INFO L425 ceAbstractionStarter]: For program point L152-1(lines 148 159) no Hoare annotation was computed. [2018-11-18 17:17:44,402 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 148 159) no Hoare annotation was computed. [2018-11-18 17:17:44,402 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 866 895) no Hoare annotation was computed. [2018-11-18 17:17:44,402 INFO L425 ceAbstractionStarter]: For program point L880(lines 880 884) no Hoare annotation was computed. [2018-11-18 17:17:44,402 INFO L428 ceAbstractionStarter]: At program point L880-1(lines 880 884) the Hoare annotation is: true [2018-11-18 17:17:44,402 INFO L425 ceAbstractionStarter]: For program point L876-1(lines 876 890) no Hoare annotation was computed. [2018-11-18 17:17:44,402 INFO L428 ceAbstractionStarter]: At program point L876-3(lines 876 890) the Hoare annotation is: true [2018-11-18 17:17:44,402 INFO L428 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: true [2018-11-18 17:17:44,402 INFO L425 ceAbstractionStarter]: For program point L872-1(line 872) no Hoare annotation was computed. [2018-11-18 17:17:44,402 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 866 895) the Hoare annotation is: true [2018-11-18 17:17:44,402 INFO L428 ceAbstractionStarter]: At program point L891(lines 866 895) the Hoare annotation is: true [2018-11-18 17:17:44,402 INFO L425 ceAbstractionStarter]: For program point L887(line 887) no Hoare annotation was computed. [2018-11-18 17:17:44,403 INFO L425 ceAbstractionStarter]: For program point L877(line 877) no Hoare annotation was computed. [2018-11-18 17:17:44,403 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 224 247) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| 1))) (let ((.cse8 (= 1 ~waterLevel~0)) (.cse7 (not .cse2)) (.cse9 (= ~waterLevel~0 2)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~waterLevel~0 1))) (.cse3 (= ~systemActive~0 0)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5) (or .cse1 .cse2 .cse6 .cse0) (or .cse2 (and .cse0 .cse4) .cse6 .cse5) (or .cse1 .cse6 .cse4) (or .cse6 .cse7 .cse5 (and .cse8 .cse4)) (or .cse6 (not (= ~systemActive~0 1)) .cse9 .cse5 .cse10) (or .cse1 .cse6 .cse8 .cse7) (or .cse1 .cse9 .cse6 .cse10) (or .cse1 .cse4 .cse3) (or .cse2 .cse0 .cse3 .cse5)))) [2018-11-18 17:17:44,403 INFO L421 ceAbstractionStarter]: At program point L237(line 237) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 0)) (.cse1 (= |old(~waterLevel~0)| 1))) (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse8 (= 1 ~waterLevel~0)) (.cse9 (not .cse1)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not .cse6)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (= ~waterLevel~0 2)) (.cse11 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4)) (or .cse5 .cse6 .cse7) (or .cse8 .cse2 .cse9 .cse7) (or .cse1 .cse2 .cse4 .cse7) (or .cse0 .cse2 (and .cse8 .cse3) .cse9) (or .cse2 (not (= ~systemActive~0 1)) .cse10 .cse7 .cse11) (or .cse0 .cse5 .cse6) (or .cse3 .cse2 .cse7) (or .cse0 .cse2 .cse10 .cse11)))) [2018-11-18 17:17:44,403 INFO L421 ceAbstractionStarter]: At program point L235(lines 235 241) the Hoare annotation is: (let ((.cse9 (= ~systemActive~0 0)) (.cse6 (not (= ~waterLevel~0 1))) (.cse5 (= |old(~waterLevel~0)| 1))) (let ((.cse3 (= 1 ~waterLevel~0)) (.cse1 (not .cse5)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (and (not .cse9) .cse6)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse10 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6) (or .cse0 .cse7 .cse2 .cse8) (or .cse4 .cse0 .cse8) (or .cse5 .cse6 .cse0 .cse2) (or .cse4 .cse9 .cse10) (or .cse4 .cse0 .cse3 .cse1) (or .cse4 (= ~waterLevel~0 2) .cse0 (not (= |old(~waterLevel~0)| 2))) (or .cse8 .cse9 .cse7 .cse2 .cse10)))) [2018-11-18 17:17:44,403 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 224 247) no Hoare annotation was computed. [2018-11-18 17:17:44,403 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 224 247) no Hoare annotation was computed. [2018-11-18 17:17:44,403 INFO L421 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (= ~systemActive~0 0))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse1 .cse4) (or .cse0 .cse2 .cse3))) [2018-11-18 17:17:44,403 INFO L425 ceAbstractionStarter]: For program point L228(lines 227 246) no Hoare annotation was computed. [2018-11-18 17:17:44,403 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 160 168) the Hoare annotation is: true [2018-11-18 17:17:44,404 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 160 168) no Hoare annotation was computed. [2018-11-18 17:17:44,404 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 160 168) no Hoare annotation was computed. [2018-11-18 17:17:44,404 INFO L425 ceAbstractionStarter]: For program point L128-1(lines 124 135) no Hoare annotation was computed. [2018-11-18 17:17:44,404 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 124 135) the Hoare annotation is: true [2018-11-18 17:17:44,404 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 124 135) no Hoare annotation was computed. [2018-11-18 17:17:44,404 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 920 926) no Hoare annotation was computed. [2018-11-18 17:17:44,404 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 920 926) the Hoare annotation is: true [2018-11-18 17:17:44,404 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:17:44,404 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-18 17:17:44,404 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:17:44,404 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:17:44,404 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 136 147) no Hoare annotation was computed. [2018-11-18 17:17:44,404 INFO L425 ceAbstractionStarter]: For program point L140-1(lines 136 147) no Hoare annotation was computed. [2018-11-18 17:17:44,404 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 136 147) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= ~waterLevel~0 2)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse3 .cse4 .cse2) (or .cse0 .cse5 .cse1 .cse6) (or .cse5 (or .cse1 (not (= ~systemActive~0 1)) .cse4) .cse6))) [2018-11-18 17:17:44,405 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 69 76) no Hoare annotation was computed. [2018-11-18 17:17:44,405 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 69 76) the Hoare annotation is: true [2018-11-18 17:17:44,405 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2018-11-18 17:17:44,405 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 69 76) no Hoare annotation was computed. [2018-11-18 17:17:44,405 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2018-11-18 17:17:44,405 INFO L421 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse1 .cse0))) [2018-11-18 17:17:44,405 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2018-11-18 17:17:44,405 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2018-11-18 17:17:44,405 INFO L421 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2018-11-18 17:17:44,405 INFO L425 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-11-18 17:17:44,405 INFO L425 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2018-11-18 17:17:44,405 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2018-11-18 17:17:44,406 INFO L428 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2018-11-18 17:17:44,406 INFO L425 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-11-18 17:17:44,419 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:17:44 BoogieIcfgContainer [2018-11-18 17:17:44,419 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:17:44,419 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:17:44,419 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:17:44,420 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:17:44,420 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:17:28" (3/4) ... [2018-11-18 17:17:44,423 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:17:44,427 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 17:17:44,427 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 17:17:44,427 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:17:44,427 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 17:17:44,428 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 17:17:44,428 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 17:17:44,428 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 17:17:44,428 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 17:17:44,428 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 17:17:44,428 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 17:17:44,428 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 17:17:44,428 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 17:17:44,428 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 17:17:44,428 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 17:17:44,428 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-18 17:17:44,428 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:17:44,428 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 17:17:44,428 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 17:17:44,428 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 17:17:44,429 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 17:17:44,429 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 17:17:44,429 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 17:17:44,429 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 17:17:44,429 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 17:17:44,429 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 17:17:44,429 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 17:17:44,429 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-18 17:17:44,435 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2018-11-18 17:17:44,436 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 17:17:44,436 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 17:17:44,453 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) [2018-11-18 17:17:44,454 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 17:17:44,484 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5ee47589-74dc-4e30-a386-17c9d01fccc6/bin-2019/utaipan/witness.graphml [2018-11-18 17:17:44,484 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:17:44,485 INFO L168 Benchmark]: Toolchain (without parser) took 16539.45 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 938.0 MB). Free memory was 956.4 MB in the beginning and 1.8 GB in the end (delta: -803.9 MB). Peak memory consumption was 134.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:17:44,485 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:17:44,486 INFO L168 Benchmark]: CACSL2BoogieTranslator took 381.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -210.3 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:17:44,486 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-18 17:17:44,486 INFO L168 Benchmark]: Boogie Preprocessor took 31.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. [2018-11-18 17:17:44,486 INFO L168 Benchmark]: RCFGBuilder took 485.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. [2018-11-18 17:17:44,486 INFO L168 Benchmark]: TraceAbstraction took 15547.07 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 762.3 MB). Free memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: -675.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-11-18 17:17:44,487 INFO L168 Benchmark]: Witness Printer took 65.09 ms. Allocated memory is still 2.0 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:17:44,488 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 381.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -210.3 MB). Peak memory consumption was 35.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 11.5 GB. * RCFGBuilder took 485.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15547.07 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 762.3 MB). Free memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: -675.5 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. * Witness Printer took 65.09 ms. Allocated memory is still 2.0 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 73]: 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: 442]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 151 locations, 1 error locations. SAFE Result, 15.4s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 8.0s AutomataDifference, 0.0s DeadEndRemovalTime, 3.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2083 SDtfs, 1372 SDslu, 7690 SDs, 0 SdLazy, 2621 SolverSat, 215 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.3s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 518 GetRequests, 414 SyntacticMatches, 6 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2091occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.7s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.996859399895017 AbsIntWeakeningRatio, 1.0588235294117647 AbsIntAvgWeakeningVarsNumRemoved, 83.27450980392157 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 211 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 4467 PreInvPairs, 4751 NumberOfFragments, 1907 HoareAnnotationTreeSize, 4467 FomulaSimplifications, 5986 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 63 FomulaSimplificationsInter, 21060 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 976 NumberOfCodeBlocks, 976 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1119 ConstructedInterpolants, 0 QuantifiedInterpolants, 185231 SizeOfPredicates, 3 NumberOfNonLiveVariables, 785 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 153/159 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...