./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product62_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5bba9f65-a8aa-4cf0-9b3d-52a9bdd80e8d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5bba9f65-a8aa-4cf0-9b3d-52a9bdd80e8d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5bba9f65-a8aa-4cf0-9b3d-52a9bdd80e8d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5bba9f65-a8aa-4cf0-9b3d-52a9bdd80e8d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product62_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5bba9f65-a8aa-4cf0-9b3d-52a9bdd80e8d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5bba9f65-a8aa-4cf0-9b3d-52a9bdd80e8d/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 b53c74b3fbc69a335e393da17bbcb1aa5d3461be .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 12:38:40,039 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 12:38:40,040 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 12:38:40,047 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 12:38:40,047 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 12:38:40,048 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 12:38:40,049 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 12:38:40,050 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 12:38:40,051 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 12:38:40,052 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 12:38:40,053 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 12:38:40,053 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 12:38:40,054 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 12:38:40,054 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 12:38:40,055 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 12:38:40,056 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 12:38:40,057 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 12:38:40,058 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 12:38:40,059 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 12:38:40,061 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 12:38:40,061 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 12:38:40,062 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 12:38:40,063 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 12:38:40,063 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 12:38:40,063 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 12:38:40,064 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 12:38:40,064 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 12:38:40,065 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 12:38:40,065 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 12:38:40,066 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 12:38:40,066 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 12:38:40,066 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 12:38:40,066 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 12:38:40,066 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 12:38:40,067 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 12:38:40,067 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 12:38:40,067 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5bba9f65-a8aa-4cf0-9b3d-52a9bdd80e8d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 12:38:40,075 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 12:38:40,075 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 12:38:40,076 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 12:38:40,076 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 12:38:40,076 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 12:38:40,076 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 12:38:40,077 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 12:38:40,077 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 12:38:40,077 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 12:38:40,077 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 12:38:40,077 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 12:38:40,077 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 12:38:40,078 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 12:38:40,078 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 12:38:40,078 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 12:38:40,078 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 12:38:40,079 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 12:38:40,079 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 12:38:40,079 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 12:38:40,079 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 12:38:40,079 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 12:38:40,079 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 12:38:40,080 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 12:38:40,080 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 12:38:40,080 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 12:38:40,080 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 12:38:40,080 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 12:38:40,080 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 12:38:40,080 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 12:38:40,080 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 12:38:40,081 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 12:38:40,081 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 12:38:40,081 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 12:38:40,081 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 12:38:40,081 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 12:38:40,081 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 12:38:40,081 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_5bba9f65-a8aa-4cf0-9b3d-52a9bdd80e8d/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 -> b53c74b3fbc69a335e393da17bbcb1aa5d3461be [2018-12-02 12:38:40,099 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 12:38:40,106 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 12:38:40,108 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 12:38:40,109 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 12:38:40,109 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 12:38:40,110 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5bba9f65-a8aa-4cf0-9b3d-52a9bdd80e8d/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product62_true-unreach-call_false-termination.cil.c [2018-12-02 12:38:40,145 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5bba9f65-a8aa-4cf0-9b3d-52a9bdd80e8d/bin-2019/utaipan/data/8673bddaf/8f226eab2d644a58b595c32ef97587b1/FLAG171ea8ee9 [2018-12-02 12:38:40,507 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 12:38:40,508 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5bba9f65-a8aa-4cf0-9b3d-52a9bdd80e8d/sv-benchmarks/c/product-lines/minepump_spec3_product62_true-unreach-call_false-termination.cil.c [2018-12-02 12:38:40,514 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5bba9f65-a8aa-4cf0-9b3d-52a9bdd80e8d/bin-2019/utaipan/data/8673bddaf/8f226eab2d644a58b595c32ef97587b1/FLAG171ea8ee9 [2018-12-02 12:38:40,889 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5bba9f65-a8aa-4cf0-9b3d-52a9bdd80e8d/bin-2019/utaipan/data/8673bddaf/8f226eab2d644a58b595c32ef97587b1 [2018-12-02 12:38:40,893 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 12:38:40,894 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 12:38:40,895 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 12:38:40,896 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 12:38:40,900 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 12:38:40,900 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:38:40" (1/1) ... [2018-12-02 12:38:40,902 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c1a3593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:40, skipping insertion in model container [2018-12-02 12:38:40,902 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:38:40" (1/1) ... [2018-12-02 12:38:40,907 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 12:38:40,928 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 12:38:41,073 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 12:38:41,080 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 12:38:41,159 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 12:38:41,175 INFO L195 MainTranslator]: Completed translation [2018-12-02 12:38:41,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:41 WrapperNode [2018-12-02 12:38:41,175 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 12:38:41,176 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 12:38:41,176 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 12:38:41,176 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 12:38:41,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:41" (1/1) ... [2018-12-02 12:38:41,192 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:41" (1/1) ... [2018-12-02 12:38:41,198 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 12:38:41,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 12:38:41,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 12:38:41,198 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 12:38:41,204 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:41" (1/1) ... [2018-12-02 12:38:41,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:41" (1/1) ... [2018-12-02 12:38:41,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:41" (1/1) ... [2018-12-02 12:38:41,208 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:41" (1/1) ... [2018-12-02 12:38:41,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:41" (1/1) ... [2018-12-02 12:38:41,218 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:41" (1/1) ... [2018-12-02 12:38:41,219 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:41" (1/1) ... [2018-12-02 12:38:41,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 12:38:41,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 12:38:41,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 12:38:41,222 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 12:38:41,222 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5bba9f65-a8aa-4cf0-9b3d-52a9bdd80e8d/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 12:38:41,254 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 12:38:41,254 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 12:38:41,254 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 12:38:41,254 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 12:38:41,254 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-02 12:38:41,254 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-02 12:38:41,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 12:38:41,254 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 12:38:41,254 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 12:38:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 12:38:41,255 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 12:38:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 12:38:41,255 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 12:38:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 12:38:41,255 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 12:38:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 12:38:41,255 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 12:38:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-02 12:38:41,255 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-02 12:38:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-02 12:38:41,255 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-02 12:38:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 12:38:41,255 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 12:38:41,255 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 12:38:41,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 12:38:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-02 12:38:41,256 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-02 12:38:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 12:38:41,256 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 12:38:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 12:38:41,256 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 12:38:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 12:38:41,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 12:38:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 12:38:41,256 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 12:38:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 12:38:41,256 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 12:38:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 12:38:41,257 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 12:38:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 12:38:41,257 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 12:38:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 12:38:41,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 12:38:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 12:38:41,257 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 12:38:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 12:38:41,257 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 12:38:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 12:38:41,257 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 12:38:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 12:38:41,257 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 12:38:41,257 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 12:38:41,257 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 12:38:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 12:38:41,258 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 12:38:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 12:38:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 12:38:41,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 12:38:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 12:38:41,258 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 12:38:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-02 12:38:41,258 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-02 12:38:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 12:38:41,258 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 12:38:41,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 12:38:41,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 12:38:41,536 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 12:38:41,536 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 12:38:41,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:38:41 BoogieIcfgContainer [2018-12-02 12:38:41,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 12:38:41,537 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 12:38:41,537 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 12:38:41,539 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 12:38:41,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:38:40" (1/3) ... [2018-12-02 12:38:41,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@433cd0a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:38:41, skipping insertion in model container [2018-12-02 12:38:41,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:38:41" (2/3) ... [2018-12-02 12:38:41,540 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@433cd0a2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:38:41, skipping insertion in model container [2018-12-02 12:38:41,540 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:38:41" (3/3) ... [2018-12-02 12:38:41,541 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product62_true-unreach-call_false-termination.cil.c [2018-12-02 12:38:41,547 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 12:38:41,552 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 12:38:41,562 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 12:38:41,581 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 12:38:41,581 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 12:38:41,581 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 12:38:41,581 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 12:38:41,581 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 12:38:41,581 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 12:38:41,582 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 12:38:41,582 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 12:38:41,593 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2018-12-02 12:38:41,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 12:38:41,599 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:38:41,599 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:38:41,601 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:38:41,604 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:38:41,604 INFO L82 PathProgramCache]: Analyzing trace with hash -497022840, now seen corresponding path program 1 times [2018-12-02 12:38:41,605 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 12:38:41,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:38:41,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:38:41,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:38:41,635 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 12:38:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:38:41,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:38:41,747 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:38:41,747 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 12:38:41,748 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 12:38:41,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 12:38:41,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 12:38:41,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 12:38:41,760 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 2 states. [2018-12-02 12:38:41,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:38:41,784 INFO L93 Difference]: Finished difference Result 320 states and 397 transitions. [2018-12-02 12:38:41,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 12:38:41,785 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-02 12:38:41,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:38:41,792 INFO L225 Difference]: With dead ends: 320 [2018-12-02 12:38:41,792 INFO L226 Difference]: Without dead ends: 160 [2018-12-02 12:38:41,795 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 12:38:41,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-12-02 12:38:41,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2018-12-02 12:38:41,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-12-02 12:38:41,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 190 transitions. [2018-12-02 12:38:41,828 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 190 transitions. Word has length 52 [2018-12-02 12:38:41,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:38:41,828 INFO L480 AbstractCegarLoop]: Abstraction has 160 states and 190 transitions. [2018-12-02 12:38:41,828 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 12:38:41,828 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 190 transitions. [2018-12-02 12:38:41,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-02 12:38:41,830 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:38:41,830 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:38:41,830 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:38:41,830 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:38:41,831 INFO L82 PathProgramCache]: Analyzing trace with hash 2120666563, now seen corresponding path program 1 times [2018-12-02 12:38:41,831 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 12:38:41,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:38:41,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:38:41,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:38:41,832 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 12:38:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:38:41,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:38:41,884 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:38:41,884 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 12:38:41,884 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 12:38:41,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 12:38:41,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 12:38:41,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 12:38:41,885 INFO L87 Difference]: Start difference. First operand 160 states and 190 transitions. Second operand 3 states. [2018-12-02 12:38:41,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:38:41,900 INFO L93 Difference]: Finished difference Result 265 states and 315 transitions. [2018-12-02 12:38:41,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 12:38:41,900 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-02 12:38:41,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:38:41,901 INFO L225 Difference]: With dead ends: 265 [2018-12-02 12:38:41,901 INFO L226 Difference]: Without dead ends: 151 [2018-12-02 12:38:41,902 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 12:38:41,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-12-02 12:38:41,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-12-02 12:38:41,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-12-02 12:38:41,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 178 transitions. [2018-12-02 12:38:41,911 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 178 transitions. Word has length 53 [2018-12-02 12:38:41,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:38:41,911 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 178 transitions. [2018-12-02 12:38:41,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 12:38:41,911 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 178 transitions. [2018-12-02 12:38:41,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-02 12:38:41,912 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:38:41,912 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:38:41,912 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:38:41,912 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:38:41,912 INFO L82 PathProgramCache]: Analyzing trace with hash -1417953152, now seen corresponding path program 1 times [2018-12-02 12:38:41,913 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 12:38:41,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:38:41,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:38:41,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:38:41,913 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 12:38:41,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:38:41,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:38:41,967 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:38:41,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 12:38:41,967 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 12:38:41,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 12:38:41,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 12:38:41,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 12:38:41,968 INFO L87 Difference]: Start difference. First operand 151 states and 178 transitions. Second operand 3 states. [2018-12-02 12:38:41,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:38:41,982 INFO L93 Difference]: Finished difference Result 278 states and 333 transitions. [2018-12-02 12:38:41,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 12:38:41,982 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 58 [2018-12-02 12:38:41,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:38:41,983 INFO L225 Difference]: With dead ends: 278 [2018-12-02 12:38:41,983 INFO L226 Difference]: Without dead ends: 151 [2018-12-02 12:38:41,984 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 12:38:41,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-12-02 12:38:41,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-12-02 12:38:41,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-12-02 12:38:41,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 177 transitions. [2018-12-02 12:38:41,992 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 177 transitions. Word has length 58 [2018-12-02 12:38:41,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:38:41,992 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 177 transitions. [2018-12-02 12:38:41,992 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 12:38:41,992 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 177 transitions. [2018-12-02 12:38:41,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-02 12:38:41,994 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:38:41,994 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:38:41,994 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:38:41,994 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:38:41,994 INFO L82 PathProgramCache]: Analyzing trace with hash -1963241690, now seen corresponding path program 1 times [2018-12-02 12:38:41,994 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 12:38:41,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:38:41,995 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:38:41,995 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:38:41,995 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 12:38:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:38:42,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:38:42,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:38:42,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 12:38:42,053 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 12:38:42,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 12:38:42,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 12:38:42,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 12:38:42,054 INFO L87 Difference]: Start difference. First operand 151 states and 177 transitions. Second operand 5 states. [2018-12-02 12:38:42,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:38:42,416 INFO L93 Difference]: Finished difference Result 404 states and 488 transitions. [2018-12-02 12:38:42,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 12:38:42,416 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2018-12-02 12:38:42,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:38:42,418 INFO L225 Difference]: With dead ends: 404 [2018-12-02 12:38:42,418 INFO L226 Difference]: Without dead ends: 277 [2018-12-02 12:38:42,419 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 12:38:42,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2018-12-02 12:38:42,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 258. [2018-12-02 12:38:42,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 258 states. [2018-12-02 12:38:42,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 293 transitions. [2018-12-02 12:38:42,436 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 293 transitions. Word has length 76 [2018-12-02 12:38:42,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:38:42,436 INFO L480 AbstractCegarLoop]: Abstraction has 258 states and 293 transitions. [2018-12-02 12:38:42,436 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 12:38:42,436 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 293 transitions. [2018-12-02 12:38:42,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-02 12:38:42,438 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:38:42,438 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:38:42,438 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:38:42,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:38:42,438 INFO L82 PathProgramCache]: Analyzing trace with hash -1316182276, now seen corresponding path program 1 times [2018-12-02 12:38:42,438 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 12:38:42,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:38:42,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:38:42,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:38:42,439 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 12:38:42,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:38:42,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:38:42,510 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:38:42,510 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 12:38:42,510 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 12:38:42,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 12:38:42,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 12:38:42,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 12:38:42,511 INFO L87 Difference]: Start difference. First operand 258 states and 293 transitions. Second operand 8 states. [2018-12-02 12:38:42,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:38:42,545 INFO L93 Difference]: Finished difference Result 499 states and 581 transitions. [2018-12-02 12:38:42,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 12:38:42,545 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 90 [2018-12-02 12:38:42,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:38:42,547 INFO L225 Difference]: With dead ends: 499 [2018-12-02 12:38:42,547 INFO L226 Difference]: Without dead ends: 265 [2018-12-02 12:38:42,547 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 12:38:42,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-12-02 12:38:42,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 262. [2018-12-02 12:38:42,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2018-12-02 12:38:42,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 297 transitions. [2018-12-02 12:38:42,560 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 297 transitions. Word has length 90 [2018-12-02 12:38:42,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:38:42,560 INFO L480 AbstractCegarLoop]: Abstraction has 262 states and 297 transitions. [2018-12-02 12:38:42,560 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 12:38:42,560 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 297 transitions. [2018-12-02 12:38:42,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-02 12:38:42,561 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:38:42,561 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:38:42,561 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:38:42,561 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:38:42,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1975713798, now seen corresponding path program 1 times [2018-12-02 12:38:42,561 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 12:38:42,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:38:42,562 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:38:42,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:38:42,562 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 12:38:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:38:42,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:38:42,612 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:38:42,612 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 12:38:42,612 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 12:38:42,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 12:38:42,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 12:38:42,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 12:38:42,613 INFO L87 Difference]: Start difference. First operand 262 states and 297 transitions. Second operand 6 states. [2018-12-02 12:38:42,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:38:42,722 INFO L93 Difference]: Finished difference Result 641 states and 759 transitions. [2018-12-02 12:38:42,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 12:38:42,723 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2018-12-02 12:38:42,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:38:42,724 INFO L225 Difference]: With dead ends: 641 [2018-12-02 12:38:42,724 INFO L226 Difference]: Without dead ends: 403 [2018-12-02 12:38:42,725 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 12:38:42,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2018-12-02 12:38:42,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 399. [2018-12-02 12:38:42,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2018-12-02 12:38:42,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 457 transitions. [2018-12-02 12:38:42,741 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 457 transitions. Word has length 90 [2018-12-02 12:38:42,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:38:42,742 INFO L480 AbstractCegarLoop]: Abstraction has 399 states and 457 transitions. [2018-12-02 12:38:42,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 12:38:42,742 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 457 transitions. [2018-12-02 12:38:42,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 12:38:42,743 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:38:42,743 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:38:42,743 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:38:42,743 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:38:42,743 INFO L82 PathProgramCache]: Analyzing trace with hash 1060378356, now seen corresponding path program 1 times [2018-12-02 12:38:42,743 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 12:38:42,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:38:42,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:38:42,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:38:42,744 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 12:38:42,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:38:42,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:38:42,812 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:38:42,812 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 12:38:42,812 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 12:38:42,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 12:38:42,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 12:38:42,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 12:38:42,813 INFO L87 Difference]: Start difference. First operand 399 states and 457 transitions. Second operand 6 states. [2018-12-02 12:38:42,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:38:42,960 INFO L93 Difference]: Finished difference Result 866 states and 1030 transitions. [2018-12-02 12:38:42,960 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 12:38:42,960 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2018-12-02 12:38:42,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:38:42,962 INFO L225 Difference]: With dead ends: 866 [2018-12-02 12:38:42,962 INFO L226 Difference]: Without dead ends: 628 [2018-12-02 12:38:42,963 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 12:38:42,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 628 states. [2018-12-02 12:38:42,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 628 to 610. [2018-12-02 12:38:42,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 610 states. [2018-12-02 12:38:42,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 610 states and 715 transitions. [2018-12-02 12:38:42,987 INFO L78 Accepts]: Start accepts. Automaton has 610 states and 715 transitions. Word has length 94 [2018-12-02 12:38:42,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:38:42,987 INFO L480 AbstractCegarLoop]: Abstraction has 610 states and 715 transitions. [2018-12-02 12:38:42,987 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 12:38:42,987 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 715 transitions. [2018-12-02 12:38:42,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 12:38:42,988 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:38:42,988 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:38:42,989 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:38:42,989 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:38:42,989 INFO L82 PathProgramCache]: Analyzing trace with hash -215750409, now seen corresponding path program 1 times [2018-12-02 12:38:42,989 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 12:38:42,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:38:42,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:38:42,990 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:38:42,990 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 12:38:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:38:43,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:38:43,050 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:38:43,050 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 12:38:43,050 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 12:38:43,051 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 12:38:43,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 12:38:43,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-02 12:38:43,051 INFO L87 Difference]: Start difference. First operand 610 states and 715 transitions. Second operand 9 states. [2018-12-02 12:38:43,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:38:43,095 INFO L93 Difference]: Finished difference Result 1079 states and 1282 transitions. [2018-12-02 12:38:43,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 12:38:43,095 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 94 [2018-12-02 12:38:43,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:38:43,097 INFO L225 Difference]: With dead ends: 1079 [2018-12-02 12:38:43,098 INFO L226 Difference]: Without dead ends: 630 [2018-12-02 12:38:43,099 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-02 12:38:43,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 630 states. [2018-12-02 12:38:43,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 630 to 625. [2018-12-02 12:38:43,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 625 states. [2018-12-02 12:38:43,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 625 states and 732 transitions. [2018-12-02 12:38:43,119 INFO L78 Accepts]: Start accepts. Automaton has 625 states and 732 transitions. Word has length 94 [2018-12-02 12:38:43,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:38:43,119 INFO L480 AbstractCegarLoop]: Abstraction has 625 states and 732 transitions. [2018-12-02 12:38:43,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 12:38:43,120 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 732 transitions. [2018-12-02 12:38:43,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-02 12:38:43,121 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:38:43,121 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:38:43,121 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:38:43,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:38:43,121 INFO L82 PathProgramCache]: Analyzing trace with hash -875281931, now seen corresponding path program 1 times [2018-12-02 12:38:43,121 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 12:38:43,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:38:43,122 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:38:43,122 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:38:43,122 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 12:38:43,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:38:43,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:38:43,161 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:38:43,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 12:38:43,161 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 12:38:43,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 12:38:43,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 12:38:43,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 12:38:43,162 INFO L87 Difference]: Start difference. First operand 625 states and 732 transitions. Second operand 5 states. [2018-12-02 12:38:43,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:38:43,182 INFO L93 Difference]: Finished difference Result 1081 states and 1293 transitions. [2018-12-02 12:38:43,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-02 12:38:43,183 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 94 [2018-12-02 12:38:43,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:38:43,184 INFO L225 Difference]: With dead ends: 1081 [2018-12-02 12:38:43,185 INFO L226 Difference]: Without dead ends: 617 [2018-12-02 12:38:43,192 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 12:38:43,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2018-12-02 12:38:43,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 617. [2018-12-02 12:38:43,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 617 states. [2018-12-02 12:38:43,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 617 states to 617 states and 721 transitions. [2018-12-02 12:38:43,211 INFO L78 Accepts]: Start accepts. Automaton has 617 states and 721 transitions. Word has length 94 [2018-12-02 12:38:43,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:38:43,211 INFO L480 AbstractCegarLoop]: Abstraction has 617 states and 721 transitions. [2018-12-02 12:38:43,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 12:38:43,211 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 721 transitions. [2018-12-02 12:38:43,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-02 12:38:43,212 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:38:43,212 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:38:43,212 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:38:43,213 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:38:43,213 INFO L82 PathProgramCache]: Analyzing trace with hash 485334592, now seen corresponding path program 1 times [2018-12-02 12:38:43,213 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 12:38:43,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:38:43,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:38:43,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:38:43,213 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 12:38:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:38:43,274 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 12:38:43,274 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 12:38:43,274 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 12:38:43,274 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 107 with the following transitions: [2018-12-02 12:38:43,276 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [37], [38], [50], [53], [55], [56], [59], [74], [77], [78], [82], [83], [85], [94], [98], [102], [105], [110], [116], [118], [124], [129], [141], [142], [143], [145], [148], [153], [154], [156], [161], [163], [164], [165], [166], [205], [209], [216], [217], [218], [220], [225], [227], [230], [232], [237], [251], [257], [260], [262], [265], [275], [278], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [302], [303], [306], [308], [309], [316], [317], [318], [319], [324], [328], [329], [332], [333], [340], [341], [342], [344], [345], [346], [347], [348], [349], [350], [352], [353], [354], [356], [357], [358], [359] [2018-12-02 12:38:43,299 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 12:38:43,299 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 12:38:43,586 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 12:38:43,587 INFO L272 AbstractInterpreter]: Visited 104 different actions 106 times. Never merged. Never widened. Performed 3256 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3256 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-02 12:38:43,591 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:38:43,592 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 12:38:43,592 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 12:38:43,592 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5bba9f65-a8aa-4cf0-9b3d-52a9bdd80e8d/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 12:38:43,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:38:43,599 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 12:38:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:38:43,674 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 12:38:43,744 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:38:43,745 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 12:38:44,043 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 12:38:44,061 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 12:38:44,061 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2018-12-02 12:38:44,061 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 12:38:44,062 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 12:38:44,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 12:38:44,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-12-02 12:38:44,062 INFO L87 Difference]: Start difference. First operand 617 states and 721 transitions. Second operand 8 states. [2018-12-02 12:38:44,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:38:44,313 INFO L93 Difference]: Finished difference Result 1786 states and 2132 transitions. [2018-12-02 12:38:44,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 12:38:44,313 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 106 [2018-12-02 12:38:44,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:38:44,318 INFO L225 Difference]: With dead ends: 1786 [2018-12-02 12:38:44,318 INFO L226 Difference]: Without dead ends: 1193 [2018-12-02 12:38:44,320 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 199 SyntacticMatches, 7 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-12-02 12:38:44,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2018-12-02 12:38:44,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 1190. [2018-12-02 12:38:44,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1190 states. [2018-12-02 12:38:44,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 1190 states and 1393 transitions. [2018-12-02 12:38:44,373 INFO L78 Accepts]: Start accepts. Automaton has 1190 states and 1393 transitions. Word has length 106 [2018-12-02 12:38:44,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:38:44,373 INFO L480 AbstractCegarLoop]: Abstraction has 1190 states and 1393 transitions. [2018-12-02 12:38:44,373 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 12:38:44,373 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1393 transitions. [2018-12-02 12:38:44,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-02 12:38:44,375 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:38:44,376 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:38:44,376 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:38:44,376 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:38:44,376 INFO L82 PathProgramCache]: Analyzing trace with hash 2000788636, now seen corresponding path program 1 times [2018-12-02 12:38:44,376 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 12:38:44,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:38:44,377 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:38:44,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:38:44,377 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 12:38:44,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:38:44,452 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 12:38:44,452 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:38:44,452 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 12:38:44,452 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 12:38:44,453 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 12:38:44,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 12:38:44,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-02 12:38:44,453 INFO L87 Difference]: Start difference. First operand 1190 states and 1393 transitions. Second operand 10 states. [2018-12-02 12:38:44,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:38:44,611 INFO L93 Difference]: Finished difference Result 2306 states and 2743 transitions. [2018-12-02 12:38:44,611 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 12:38:44,611 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2018-12-02 12:38:44,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:38:44,614 INFO L225 Difference]: With dead ends: 2306 [2018-12-02 12:38:44,614 INFO L226 Difference]: Without dead ends: 1140 [2018-12-02 12:38:44,616 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-02 12:38:44,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1140 states. [2018-12-02 12:38:44,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1140 to 1124. [2018-12-02 12:38:44,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1124 states. [2018-12-02 12:38:44,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1124 states to 1124 states and 1301 transitions. [2018-12-02 12:38:44,645 INFO L78 Accepts]: Start accepts. Automaton has 1124 states and 1301 transitions. Word has length 110 [2018-12-02 12:38:44,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:38:44,645 INFO L480 AbstractCegarLoop]: Abstraction has 1124 states and 1301 transitions. [2018-12-02 12:38:44,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 12:38:44,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1301 transitions. [2018-12-02 12:38:44,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-02 12:38:44,647 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:38:44,647 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:38:44,647 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:38:44,647 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:38:44,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1098500354, now seen corresponding path program 1 times [2018-12-02 12:38:44,648 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 12:38:44,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:38:44,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:38:44,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:38:44,648 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 12:38:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:38:44,709 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 12:38:44,709 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 12:38:44,709 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 12:38:44,709 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 12:38:44,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 12:38:44,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 12:38:44,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-02 12:38:44,710 INFO L87 Difference]: Start difference. First operand 1124 states and 1301 transitions. Second operand 10 states. [2018-12-02 12:38:44,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:38:44,851 INFO L93 Difference]: Finished difference Result 2230 states and 2584 transitions. [2018-12-02 12:38:44,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 12:38:44,851 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2018-12-02 12:38:44,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:38:44,855 INFO L225 Difference]: With dead ends: 2230 [2018-12-02 12:38:44,856 INFO L226 Difference]: Without dead ends: 1130 [2018-12-02 12:38:44,858 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-02 12:38:44,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1130 states. [2018-12-02 12:38:44,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1130 to 1094. [2018-12-02 12:38:44,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1094 states. [2018-12-02 12:38:44,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1234 transitions. [2018-12-02 12:38:44,887 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 1234 transitions. Word has length 110 [2018-12-02 12:38:44,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:38:44,887 INFO L480 AbstractCegarLoop]: Abstraction has 1094 states and 1234 transitions. [2018-12-02 12:38:44,887 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 12:38:44,887 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1234 transitions. [2018-12-02 12:38:44,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-02 12:38:44,889 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:38:44,889 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 12:38:44,889 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:38:44,889 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:38:44,889 INFO L82 PathProgramCache]: Analyzing trace with hash -451424858, now seen corresponding path program 1 times [2018-12-02 12:38:44,889 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 12:38:44,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:38:44,890 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:38:44,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:38:44,890 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 12:38:44,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:38:44,968 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 12:38:44,968 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 12:38:44,968 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 12:38:44,968 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 159 with the following transitions: [2018-12-02 12:38:44,969 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [37], [38], [50], [53], [55], [56], [57], [58], [59], [62], [64], [67], [74], [77], [78], [81], [83], [85], [94], [98], [102], [105], [108], [110], [116], [118], [124], [129], [137], [138], [141], [142], [143], [145], [150], [153], [154], [156], [159], [163], [164], [165], [166], [202], [205], [209], [215], [216], [217], [218], [220], [223], [225], [227], [230], [232], [237], [243], [246], [250], [251], [257], [260], [262], [265], [275], [278], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [302], [303], [306], [308], [309], [310], [311], [312], [313], [316], [317], [318], [319], [324], [325], [328], [329], [330], [331], [332], [333], [338], [339], [340], [341], [342], [343], [344], [345], [346], [347], [348], [349], [350], [352], [353], [354], [356], [357], [358], [359] [2018-12-02 12:38:44,971 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 12:38:44,971 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 12:38:46,422 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 12:38:46,422 INFO L272 AbstractInterpreter]: Visited 128 different actions 958 times. Merged at 19 different actions 73 times. Never widened. Performed 39641 root evaluator evaluations with a maximum evaluation depth of 3. Performed 39641 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 13 fixpoints after 4 different actions. Largest state had 133 variables. [2018-12-02 12:38:46,424 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:38:46,425 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 12:38:46,425 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 12:38:46,425 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5bba9f65-a8aa-4cf0-9b3d-52a9bdd80e8d/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 12:38:46,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:38:46,430 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 12:38:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:38:46,497 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 12:38:46,573 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 12:38:46,573 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 12:38:46,789 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 12:38:46,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 12:38:46,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [6, 9] total 16 [2018-12-02 12:38:46,804 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 12:38:46,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 12:38:46,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 12:38:46,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2018-12-02 12:38:46,805 INFO L87 Difference]: Start difference. First operand 1094 states and 1234 transitions. Second operand 8 states. [2018-12-02 12:38:47,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:38:47,578 INFO L93 Difference]: Finished difference Result 2907 states and 3528 transitions. [2018-12-02 12:38:47,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-02 12:38:47,578 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 158 [2018-12-02 12:38:47,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:38:47,583 INFO L225 Difference]: With dead ends: 2907 [2018-12-02 12:38:47,584 INFO L226 Difference]: Without dead ends: 2097 [2018-12-02 12:38:47,585 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 305 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2018-12-02 12:38:47,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2097 states. [2018-12-02 12:38:47,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2097 to 1910. [2018-12-02 12:38:47,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1910 states. [2018-12-02 12:38:47,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1910 states to 1910 states and 2200 transitions. [2018-12-02 12:38:47,644 INFO L78 Accepts]: Start accepts. Automaton has 1910 states and 2200 transitions. Word has length 158 [2018-12-02 12:38:47,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:38:47,644 INFO L480 AbstractCegarLoop]: Abstraction has 1910 states and 2200 transitions. [2018-12-02 12:38:47,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 12:38:47,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1910 states and 2200 transitions. [2018-12-02 12:38:47,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-02 12:38:47,645 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 12:38:47,646 INFO L402 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] [2018-12-02 12:38:47,646 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 12:38:47,646 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:38:47,646 INFO L82 PathProgramCache]: Analyzing trace with hash 114656940, now seen corresponding path program 1 times [2018-12-02 12:38:47,646 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 12:38:47,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:38:47,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:38:47,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 12:38:47,647 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 12:38:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:38:47,694 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 12:38:47,694 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 12:38:47,694 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 12:38:47,694 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 155 with the following transitions: [2018-12-02 12:38:47,695 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [37], [38], [50], [53], [55], [56], [57], [58], [59], [62], [64], [67], [74], [77], [78], [81], [83], [85], [94], [98], [102], [108], [110], [116], [118], [124], [129], [137], [138], [141], [142], [143], [145], [150], [153], [154], [156], [159], [163], [164], [165], [166], [202], [205], [209], [215], [216], [217], [218], [220], [223], [225], [227], [230], [232], [237], [243], [246], [250], [251], [257], [260], [262], [265], [275], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [302], [303], [306], [308], [309], [310], [311], [312], [313], [316], [317], [324], [325], [328], [329], [330], [331], [332], [333], [338], [339], [340], [341], [342], [343], [344], [345], [346], [347], [348], [349], [350], [352], [353], [354], [356], [357], [358], [359] [2018-12-02 12:38:47,697 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 12:38:47,698 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 12:38:48,364 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 12:38:48,364 INFO L272 AbstractInterpreter]: Visited 123 different actions 510 times. Merged at 17 different actions 35 times. Never widened. Performed 19751 root evaluator evaluations with a maximum evaluation depth of 3. Performed 19751 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 133 variables. [2018-12-02 12:38:48,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:38:48,366 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 12:38:48,366 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 12:38:48,366 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5bba9f65-a8aa-4cf0-9b3d-52a9bdd80e8d/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 12:38:48,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 12:38:48,372 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 12:38:48,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:38:48,447 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 12:38:48,520 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 25 proven. 4 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-02 12:38:48,521 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 12:38:48,683 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-02 12:38:48,698 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 12:38:48,698 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6, 9] total 19 [2018-12-02 12:38:48,699 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 12:38:48,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 12:38:48,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 12:38:48,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2018-12-02 12:38:48,699 INFO L87 Difference]: Start difference. First operand 1910 states and 2200 transitions. Second operand 9 states. [2018-12-02 12:38:48,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 12:38:48,952 INFO L93 Difference]: Finished difference Result 3665 states and 4312 transitions. [2018-12-02 12:38:48,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 12:38:48,952 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 154 [2018-12-02 12:38:48,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 12:38:48,953 INFO L225 Difference]: With dead ends: 3665 [2018-12-02 12:38:48,953 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 12:38:48,959 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 319 GetRequests, 296 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=421, Unknown=0, NotChecked=0, Total=506 [2018-12-02 12:38:48,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 12:38:48,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 12:38:48,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 12:38:48,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 12:38:48,960 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 154 [2018-12-02 12:38:48,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 12:38:48,960 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 12:38:48,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 12:38:48,960 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 12:38:48,960 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 12:38:48,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 12:38:49,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 12:38:49,614 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 27 [2018-12-02 12:38:50,074 WARN L180 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 51 [2018-12-02 12:38:50,530 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 28 [2018-12-02 12:38:50,756 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 47 [2018-12-02 12:38:50,918 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 36 [2018-12-02 12:38:51,088 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 28 [2018-12-02 12:38:51,431 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 41 [2018-12-02 12:38:52,844 WARN L180 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 52 [2018-12-02 12:38:53,199 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 27 [2018-12-02 12:38:53,984 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 38 [2018-12-02 12:38:54,211 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 582 588) the Hoare annotation is: true [2018-12-02 12:38:54,211 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 582 588) no Hoare annotation was computed. [2018-12-02 12:38:54,211 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 589 597) no Hoare annotation was computed. [2018-12-02 12:38:54,211 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 589 597) the Hoare annotation is: true [2018-12-02 12:38:54,211 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 589 597) no Hoare annotation was computed. [2018-12-02 12:38:54,211 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 992 1014) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 12:38:54,211 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 992 1014) no Hoare annotation was computed. [2018-12-02 12:38:54,211 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 992 1014) no Hoare annotation was computed. [2018-12-02 12:38:54,211 INFO L444 ceAbstractionStarter]: At program point L1004(line 1004) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~11 1) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-02 12:38:54,211 INFO L444 ceAbstractionStarter]: At program point L1004-1(line 1004) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~11 1) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-02 12:38:54,211 INFO L448 ceAbstractionStarter]: For program point L1002(lines 1002 1009) no Hoare annotation was computed. [2018-12-02 12:38:54,212 INFO L448 ceAbstractionStarter]: For program point L1002-1(lines 1002 1009) no Hoare annotation was computed. [2018-12-02 12:38:54,212 INFO L448 ceAbstractionStarter]: For program point L1000(line 1000) no Hoare annotation was computed. [2018-12-02 12:38:54,212 INFO L444 ceAbstractionStarter]: At program point L999(line 999) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 12:38:54,212 INFO L444 ceAbstractionStarter]: At program point L998(line 998) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 12:38:54,212 INFO L444 ceAbstractionStarter]: At program point L998-1(line 998) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 12:38:54,212 INFO L448 ceAbstractionStarter]: For program point L673(lines 673 681) no Hoare annotation was computed. [2018-12-02 12:38:54,212 INFO L444 ceAbstractionStarter]: At program point L671(line 671) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse7 (<= 3 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse7) (or .cse5 .cse0 .cse3 .cse1 .cse2) (or .cse6 .cse1 .cse7 .cse4))) [2018-12-02 12:38:54,212 INFO L448 ceAbstractionStarter]: For program point L671-1(line 671) no Hoare annotation was computed. [2018-12-02 12:38:54,212 INFO L448 ceAbstractionStarter]: For program point L669(lines 669 686) no Hoare annotation was computed. [2018-12-02 12:38:54,212 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 665 689) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (<= 3 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse1 .cse6 .cse4) (or .cse7 .cse5 .cse1 .cse3 .cse6) (or .cse7 .cse0 .cse3 .cse1 .cse2))) [2018-12-02 12:38:54,212 INFO L444 ceAbstractionStarter]: At program point L684(line 684) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (<= 3 ~waterLevel~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse6 .cse7) (or .cse0 .cse4 .cse2 .cse5 .cse6) (or .cse1 .cse2 .cse3 .cse7))) [2018-12-02 12:38:54,213 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 665 689) no Hoare annotation was computed. [2018-12-02 12:38:54,213 INFO L448 ceAbstractionStarter]: For program point L684-1(lines 665 689) no Hoare annotation was computed. [2018-12-02 12:38:54,213 INFO L444 ceAbstractionStarter]: At program point L679(line 679) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse7 (<= 3 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse7) (or .cse5 .cse0 .cse3 .cse1 .cse2) (or .cse6 .cse1 .cse7 .cse4))) [2018-12-02 12:38:54,213 INFO L444 ceAbstractionStarter]: At program point L675(line 675) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse7 (<= 3 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse7) (or .cse5 .cse0 .cse3 .cse1 .cse2) (or .cse6 .cse1 .cse7 .cse4))) [2018-12-02 12:38:54,213 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 760 768) no Hoare annotation was computed. [2018-12-02 12:38:54,213 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 760 768) the Hoare annotation is: true [2018-12-02 12:38:54,213 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 760 768) no Hoare annotation was computed. [2018-12-02 12:38:54,213 INFO L448 ceAbstractionStarter]: For program point L833(lines 833 837) no Hoare annotation was computed. [2018-12-02 12:38:54,213 INFO L451 ceAbstractionStarter]: At program point L831(line 831) the Hoare annotation is: true [2018-12-02 12:38:54,213 INFO L448 ceAbstractionStarter]: For program point L833-2(lines 833 837) no Hoare annotation was computed. [2018-12-02 12:38:54,213 INFO L448 ceAbstractionStarter]: For program point L831-1(line 831) no Hoare annotation was computed. [2018-12-02 12:38:54,213 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 824 842) the Hoare annotation is: true [2018-12-02 12:38:54,213 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 824 842) no Hoare annotation was computed. [2018-12-02 12:38:54,213 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 824 842) no Hoare annotation was computed. [2018-12-02 12:38:54,213 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 575 581) no Hoare annotation was computed. [2018-12-02 12:38:54,213 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 575 581) the Hoare annotation is: true [2018-12-02 12:38:54,213 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 982 991) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 12:38:54,213 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 982 991) no Hoare annotation was computed. [2018-12-02 12:38:54,213 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 982 991) no Hoare annotation was computed. [2018-12-02 12:38:54,213 INFO L448 ceAbstractionStarter]: For program point L754-1(line 754) no Hoare annotation was computed. [2018-12-02 12:38:54,213 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 749 759) the Hoare annotation is: true [2018-12-02 12:38:54,214 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 749 759) no Hoare annotation was computed. [2018-12-02 12:38:54,214 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 749 759) no Hoare annotation was computed. [2018-12-02 12:38:54,214 INFO L451 ceAbstractionStarter]: At program point L754(line 754) the Hoare annotation is: true [2018-12-02 12:38:54,214 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 741 748) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse3 .cse1 .cse2))) [2018-12-02 12:38:54,214 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 741 748) no Hoare annotation was computed. [2018-12-02 12:38:54,214 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 741 748) no Hoare annotation was computed. [2018-12-02 12:38:54,214 INFO L444 ceAbstractionStarter]: At program point L705(line 705) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse7 (<= 3 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse7) (or .cse5 .cse0 .cse3 .cse1 .cse2) (or .cse6 .cse1 .cse7 .cse4))) [2018-12-02 12:38:54,214 INFO L444 ceAbstractionStarter]: At program point L701(line 701) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse7 (<= 3 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse7) (or .cse5 .cse0 .cse3 .cse1 .cse2) (or .cse6 .cse1 .cse7 .cse4))) [2018-12-02 12:38:54,214 INFO L448 ceAbstractionStarter]: For program point L699(lines 699 707) no Hoare annotation was computed. [2018-12-02 12:38:54,214 INFO L444 ceAbstractionStarter]: At program point L697(line 697) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse7 (<= 3 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse7) (or .cse5 .cse0 .cse3 .cse1 .cse2) (or .cse6 .cse1 .cse7 .cse4))) [2018-12-02 12:38:54,214 INFO L448 ceAbstractionStarter]: For program point L697-1(line 697) no Hoare annotation was computed. [2018-12-02 12:38:54,214 INFO L448 ceAbstractionStarter]: For program point L695(lines 695 712) no Hoare annotation was computed. [2018-12-02 12:38:54,214 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 691 715) no Hoare annotation was computed. [2018-12-02 12:38:54,214 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 691 715) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (<= 3 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse1 .cse6 .cse4) (or .cse7 .cse5 .cse1 .cse3 .cse6) (or .cse7 .cse0 .cse3 .cse1 .cse2))) [2018-12-02 12:38:54,215 INFO L444 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (<= 3 ~waterLevel~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse6 .cse7) (or .cse0 .cse4 .cse2 .cse5 .cse6) (or .cse1 .cse2 .cse3 .cse7))) [2018-12-02 12:38:54,215 INFO L448 ceAbstractionStarter]: For program point L710-1(lines 691 715) no Hoare annotation was computed. [2018-12-02 12:38:54,215 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 547) no Hoare annotation was computed. [2018-12-02 12:38:54,215 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 537 550) no Hoare annotation was computed. [2018-12-02 12:38:54,215 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 537 550) the Hoare annotation is: true [2018-12-02 12:38:54,215 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 537 550) no Hoare annotation was computed. [2018-12-02 12:38:54,215 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 631 637) no Hoare annotation was computed. [2018-12-02 12:38:54,215 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 631 637) the Hoare annotation is: true [2018-12-02 12:38:54,215 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 869) no Hoare annotation was computed. [2018-12-02 12:38:54,215 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 853 918) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (and (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 0)) (< ~waterLevel~0 2) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 12:38:54,215 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 853 918) no Hoare annotation was computed. [2018-12-02 12:38:54,215 INFO L444 ceAbstractionStarter]: At program point L911(lines 862 912) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 12:38:54,215 INFO L448 ceAbstractionStarter]: For program point L901(lines 901 905) no Hoare annotation was computed. [2018-12-02 12:38:54,215 INFO L444 ceAbstractionStarter]: At program point L901-2(lines 893 906) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 0))) (.cse2 (< ~waterLevel~0 3)) (.cse4 (= test_~splverifierCounter~0 0))) (or (= |old(~systemActive~0)| 0) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse6 .cse4) (and .cse1 .cse2 .cse3 .cse6 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 12:38:54,215 INFO L448 ceAbstractionStarter]: For program point L864(lines 863 910) no Hoare annotation was computed. [2018-12-02 12:38:54,216 INFO L444 ceAbstractionStarter]: At program point L895(line 895) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 0))) (.cse2 (< ~waterLevel~0 3)) (.cse4 (= test_~splverifierCounter~0 0))) (or (= |old(~systemActive~0)| 0) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse6 .cse4) (and .cse1 .cse2 .cse3 .cse6 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 12:38:54,216 INFO L448 ceAbstractionStarter]: For program point L893(lines 893 906) no Hoare annotation was computed. [2018-12-02 12:38:54,216 INFO L444 ceAbstractionStarter]: At program point L885(line 885) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 0))) (.cse2 (< ~waterLevel~0 3)) (.cse4 (= test_~splverifierCounter~0 0))) (or (= |old(~systemActive~0)| 0) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse2 .cse6 .cse4) (and .cse1 .cse2 .cse3 .cse6 .cse4) (and .cse0 .cse5 .cse1 .cse2 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 12:38:54,216 INFO L448 ceAbstractionStarter]: For program point L883(lines 883 889) no Hoare annotation was computed. [2018-12-02 12:38:54,216 INFO L448 ceAbstractionStarter]: For program point L883-1(lines 883 889) no Hoare annotation was computed. [2018-12-02 12:38:54,216 INFO L444 ceAbstractionStarter]: At program point L908(lines 863 910) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse4 (< ~waterLevel~0 3)) (.cse6 (= ~pumpRunning~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and (and .cse0 .cse1 .cse2 .cse3) (<= ~waterLevel~0 1)) (and .cse1 .cse2 .cse4 .cse5 .cse3) (= |old(~systemActive~0)| 0) (and .cse2 .cse4 .cse6 .cse5 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse2 .cse4 .cse6 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 12:38:54,216 INFO L444 ceAbstractionStarter]: At program point L875(line 875) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= ~systemActive~0 0))) (.cse2 (< ~waterLevel~0 3)) (.cse6 (= ~pumpRunning~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (= |old(~systemActive~0)| 0) (and (and .cse5 .cse0 .cse1 .cse4) (<= ~waterLevel~0 1)) (and .cse1 .cse2 .cse6 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse1 .cse2 .cse6 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 12:38:54,216 INFO L448 ceAbstractionStarter]: For program point L873(lines 873 879) no Hoare annotation was computed. [2018-12-02 12:38:54,216 INFO L448 ceAbstractionStarter]: For program point L873-1(lines 873 879) no Hoare annotation was computed. [2018-12-02 12:38:54,216 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 853 918) no Hoare annotation was computed. [2018-12-02 12:38:54,216 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 716 723) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (<= 3 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse2))) [2018-12-02 12:38:54,216 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 716 723) no Hoare annotation was computed. [2018-12-02 12:38:54,216 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 716 723) no Hoare annotation was computed. [2018-12-02 12:38:54,216 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 551 559) no Hoare annotation was computed. [2018-12-02 12:38:54,216 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 551 559) the Hoare annotation is: true [2018-12-02 12:38:54,216 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 551 559) no Hoare annotation was computed. [2018-12-02 12:38:54,216 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 12:38:54,216 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (or (< ~waterLevel~0 3) (< 2 |old(~waterLevel~0)|)) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 12:38:54,217 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 12:38:54,217 INFO L444 ceAbstractionStarter]: At program point L735(line 735) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (<= 3 ~waterLevel~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (and (= ~methaneLevelCritical~0 activatePump_~tmp~7) .cse2) .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 12:38:54,217 INFO L448 ceAbstractionStarter]: For program point L735-1(lines 724 740) no Hoare annotation was computed. [2018-12-02 12:38:54,217 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 724 740) no Hoare annotation was computed. [2018-12-02 12:38:54,217 INFO L448 ceAbstractionStarter]: For program point L731(lines 731 737) no Hoare annotation was computed. [2018-12-02 12:38:54,217 INFO L444 ceAbstractionStarter]: At program point L729(line 729) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (<= 3 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse2))) [2018-12-02 12:38:54,217 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 724 740) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (<= 3 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse2))) [2018-12-02 12:38:54,217 INFO L448 ceAbstractionStarter]: For program point L729-1(line 729) no Hoare annotation was computed. [2018-12-02 12:38:54,217 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 805 823) no Hoare annotation was computed. [2018-12-02 12:38:54,217 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 818) no Hoare annotation was computed. [2018-12-02 12:38:54,217 INFO L451 ceAbstractionStarter]: At program point L812(line 812) the Hoare annotation is: true [2018-12-02 12:38:54,217 INFO L448 ceAbstractionStarter]: For program point L814-2(lines 814 818) no Hoare annotation was computed. [2018-12-02 12:38:54,217 INFO L448 ceAbstractionStarter]: For program point L812-1(line 812) no Hoare annotation was computed. [2018-12-02 12:38:54,217 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 805 823) the Hoare annotation is: true [2018-12-02 12:38:54,217 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 805 823) no Hoare annotation was computed. [2018-12-02 12:38:54,217 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 528 536) the Hoare annotation is: true [2018-12-02 12:38:54,217 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 528 536) no Hoare annotation was computed. [2018-12-02 12:38:54,217 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 528 536) no Hoare annotation was computed. [2018-12-02 12:38:54,217 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 484 495) the Hoare annotation is: (let ((.cse1 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (= 0 ~methaneLevelCritical~0)) (.cse0 (<= 3 ~waterLevel~0))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or .cse1 .cse5 .cse2 .cse0 .cse4) (or .cse5 .cse6 .cse2 .cse0 .cse7) (or (or .cse2 .cse3 .cse7) .cse6 .cse0))) [2018-12-02 12:38:54,217 INFO L448 ceAbstractionStarter]: For program point L488-1(lines 484 495) no Hoare annotation was computed. [2018-12-02 12:38:54,217 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 484 495) no Hoare annotation was computed. [2018-12-02 12:38:54,218 INFO L451 ceAbstractionStarter]: At program point L931-2(lines 931 945) the Hoare annotation is: true [2018-12-02 12:38:54,218 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 921 950) no Hoare annotation was computed. [2018-12-02 12:38:54,218 INFO L451 ceAbstractionStarter]: At program point L927(line 927) the Hoare annotation is: true [2018-12-02 12:38:54,218 INFO L448 ceAbstractionStarter]: For program point L927-1(line 927) no Hoare annotation was computed. [2018-12-02 12:38:54,218 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 921 950) the Hoare annotation is: true [2018-12-02 12:38:54,218 INFO L451 ceAbstractionStarter]: At program point L946(lines 921 950) the Hoare annotation is: true [2018-12-02 12:38:54,218 INFO L448 ceAbstractionStarter]: For program point L942(line 942) no Hoare annotation was computed. [2018-12-02 12:38:54,218 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 939) no Hoare annotation was computed. [2018-12-02 12:38:54,218 INFO L451 ceAbstractionStarter]: At program point L935-1(lines 935 939) the Hoare annotation is: true [2018-12-02 12:38:54,218 INFO L448 ceAbstractionStarter]: For program point L932(line 932) no Hoare annotation was computed. [2018-12-02 12:38:54,218 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 607 630) the Hoare annotation is: (let ((.cse12 (not (= ~methaneLevelCritical~0 0))) (.cse11 (< ~waterLevel~0 2)) (.cse13 (< ~waterLevel~0 3)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= ~systemActive~0 0)) (.cse14 (not (= 1 |old(~pumpRunning~0)|)))) (let ((.cse10 (or .cse3 .cse5 .cse14)) (.cse1 (and .cse13 .cse7 .cse6)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (<= 3 |old(~waterLevel~0)|)) (.cse8 (< 1 |old(~waterLevel~0)|)) (.cse9 (and .cse11 .cse7 .cse6)) (.cse0 (or .cse5 .cse14 .cse12))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse2 (and .cse6 .cse7)) (or .cse8 .cse9 .cse10) (or .cse11 (or (<= 2 |old(~waterLevel~0)|) .cse4 .cse5 .cse12)) (or .cse2 .cse10 .cse1) (or .cse3 .cse8 .cse4 .cse5 (<= ~waterLevel~0 1)) (or .cse4 (and .cse13 .cse6 .cse7) .cse5 .cse2 .cse12) (or .cse3 .cse4 .cse5 .cse13 .cse2) (or .cse8 .cse9 .cse0)))) [2018-12-02 12:38:54,218 INFO L444 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (let ((.cse12 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= ~systemActive~0 0)) (.cse15 (not (= 1 |old(~pumpRunning~0)|)))) (let ((.cse8 (or .cse0 .cse2 .cse15)) (.cse7 (< ~waterLevel~0 2)) (.cse10 (<= 1 ~waterLevel~0)) (.cse11 (< |old(~waterLevel~0)| 2)) (.cse13 (or .cse2 .cse15 .cse12)) (.cse6 (< 1 |old(~waterLevel~0)|)) (.cse9 (<= ~waterLevel~0 1)) (.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse14 (< ~waterLevel~0 3)) (.cse3 (<= 3 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5)) (or .cse6 (and .cse7 .cse5) .cse8) (or (and .cse9 .cse10 .cse5) .cse3 .cse11 .cse8) (or .cse7 (or (<= 2 |old(~waterLevel~0)|) .cse1 .cse2 .cse12)) (or .cse13 .cse10 .cse3 .cse11) (or .cse13 (and .cse9 .cse5) .cse3) (or .cse0 .cse6 .cse1 .cse2 .cse9) (or .cse1 (and .cse14 .cse4 .cse5) .cse2 .cse3 .cse12) (or .cse0 .cse1 .cse2 .cse14 .cse3)))) [2018-12-02 12:38:54,218 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 607 630) no Hoare annotation was computed. [2018-12-02 12:38:54,218 INFO L444 ceAbstractionStarter]: At program point L618(lines 618 624) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (< ~waterLevel~0 3)) (.cse12 (< ~waterLevel~0 2)) (.cse21 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse18 (= 0 ~pumpRunning~0)) (.cse19 (<= ~waterLevel~0 1)) (.cse22 (<= 1 ~waterLevel~0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse20 (not (= 1 |old(~pumpRunning~0)|))) (.cse17 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse9 (or .cse2 .cse20 .cse17)) (.cse13 (and .cse19 .cse22 .cse4)) (.cse15 (and .cse18 .cse19 .cse22)) (.cse14 (< |old(~waterLevel~0)| 2)) (.cse7 (and .cse12 .cse21 .cse4)) (.cse5 (<= 3 |old(~waterLevel~0)|)) (.cse6 (and .cse3 (= ~pumpRunning~0 1) .cse21)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (< 1 |old(~waterLevel~0)|)) (.cse16 (or .cse0 .cse2 .cse20)) (.cse10 (and .cse19 .cse4)) (.cse11 (and .cse18 .cse19))) (and (or .cse0 .cse1 .cse2 (and (<= 2 ~waterLevel~0) .cse3 .cse4) .cse5 .cse6 .cse7) (or .cse8 .cse9 .cse10 .cse11) (or .cse0 .cse8 .cse1 .cse2 .cse12) (or .cse9 .cse13 .cse5 .cse14 .cse15) (or .cse13 .cse15 .cse5 .cse14 .cse16) (or .cse1 .cse7 .cse2 .cse5 .cse6 .cse17) (or .cse8 .cse1 .cse2 .cse12 .cse17) (or .cse8 .cse16 .cse10 .cse11)))) [2018-12-02 12:38:54,218 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 607 630) no Hoare annotation was computed. [2018-12-02 12:38:54,219 INFO L444 ceAbstractionStarter]: At program point L613(line 613) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= ~systemActive~0 0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (<= 3 |old(~waterLevel~0)|)) (.cse6 (and (< ~waterLevel~0 3) (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse5 (or .cse2 .cse9 .cse4)) (.cse8 (< 1 |old(~waterLevel~0)|)) (.cse7 (or .cse0 .cse2 .cse9))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse6) (or .cse3 .cse7 .cse6) (or .cse8 .cse5 (<= ~waterLevel~0 1)) (or .cse8 (< ~waterLevel~0 2) .cse7)))) [2018-12-02 12:38:54,219 INFO L448 ceAbstractionStarter]: For program point L611(lines 610 629) no Hoare annotation was computed. [2018-12-02 12:38:54,219 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 496 504) the Hoare annotation is: true [2018-12-02 12:38:54,219 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 496 504) no Hoare annotation was computed. [2018-12-02 12:38:54,219 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 496 504) no Hoare annotation was computed. [2018-12-02 12:38:54,219 INFO L444 ceAbstractionStarter]: At program point L65(line 65) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= ~systemActive~0 0)) (.cse2 (<= 3 ~waterLevel~0))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= 1 ~pumpRunning~0))))) [2018-12-02 12:38:54,219 INFO L448 ceAbstractionStarter]: For program point L65-1(line 65) no Hoare annotation was computed. [2018-12-02 12:38:54,219 INFO L448 ceAbstractionStarter]: For program point L61(lines 61 81) no Hoare annotation was computed. [2018-12-02 12:38:54,219 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 52 84) no Hoare annotation was computed. [2018-12-02 12:38:54,219 INFO L451 ceAbstractionStarter]: At program point L59(line 59) the Hoare annotation is: true [2018-12-02 12:38:54,219 INFO L448 ceAbstractionStarter]: For program point L59-1(line 59) no Hoare annotation was computed. [2018-12-02 12:38:54,219 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 52 84) the Hoare annotation is: true [2018-12-02 12:38:54,219 INFO L444 ceAbstractionStarter]: At program point L75(line 75) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~systemActive~0 0)) (.cse3 (<= 3 ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 .cse4) (or (< 1 ~waterLevel~0) .cse1 .cse2 .cse5) (or .cse2 .cse3 .cse4 .cse5))) [2018-12-02 12:38:54,219 INFO L448 ceAbstractionStarter]: For program point L71(lines 71 77) no Hoare annotation was computed. [2018-12-02 12:38:54,219 INFO L444 ceAbstractionStarter]: At program point L69(line 69) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse6 (<= 3 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse0 (< 1 ~waterLevel~0)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse6) (or .cse4 .cse1 .cse6 .cse2) (or .cse0 .cse5 .cse1 .cse3))) [2018-12-02 12:38:54,219 INFO L448 ceAbstractionStarter]: For program point L69-1(line 69) no Hoare annotation was computed. [2018-12-02 12:38:54,219 INFO L448 ceAbstractionStarter]: For program point L67(lines 67 80) no Hoare annotation was computed. [2018-12-02 12:38:54,219 INFO L448 ceAbstractionStarter]: For program point L67-1(lines 52 84) no Hoare annotation was computed. [2018-12-02 12:38:54,219 INFO L448 ceAbstractionStarter]: For program point L464-1(lines 460 471) no Hoare annotation was computed. [2018-12-02 12:38:54,219 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 460 471) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse6 (< ~waterLevel~0 2)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~systemActive~0 0)) (.cse1 (<= 3 |old(~waterLevel~0)|)) (.cse3 (and (< ~waterLevel~0 3) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse2 .cse4) (or .cse7 .cse5 .cse0 .cse2 .cse6) (or .cse7 .cse0 .cse1 .cse3 .cse2))) [2018-12-02 12:38:54,220 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 460 471) no Hoare annotation was computed. [2018-12-02 12:38:54,220 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 975 981) no Hoare annotation was computed. [2018-12-02 12:38:54,220 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 975 981) the Hoare annotation is: true [2018-12-02 12:38:54,220 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 12:38:54,220 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)) (<= 1 ~waterLevel~0) (< ~waterLevel~0 2)) [2018-12-02 12:38:54,220 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 12:38:54,220 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 12:38:54,220 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 843 850) no Hoare annotation was computed. [2018-12-02 12:38:54,220 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 843 850) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 0))) (.cse2 (= |old(~systemActive~0)| 0)) (.cse3 (<= 3 ~waterLevel~0)) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse3 (or .cse0 .cse2 .cse5) .cse4) (or (or .cse2 .cse5 .cse6) .cse4 .cse3) (or .cse1 .cse4 .cse2 .cse3 .cse6))) [2018-12-02 12:38:54,220 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 843 850) no Hoare annotation was computed. [2018-12-02 12:38:54,220 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 639 663) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (<= 3 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 .cse1 .cse6 .cse4) (or .cse7 .cse5 .cse1 .cse3 .cse6) (or .cse7 .cse0 .cse3 .cse1 .cse2))) [2018-12-02 12:38:54,220 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 639 663) no Hoare annotation was computed. [2018-12-02 12:38:54,220 INFO L444 ceAbstractionStarter]: At program point L658(line 658) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse7 (<= 3 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse7) (or .cse5 .cse0 .cse3 .cse1 .cse2) (or .cse6 .cse1 .cse7 .cse4))) [2018-12-02 12:38:54,220 INFO L448 ceAbstractionStarter]: For program point L658-1(lines 639 663) no Hoare annotation was computed. [2018-12-02 12:38:54,220 INFO L444 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: (let ((.cse5 (<= 3 ~waterLevel~0)) (.cse6 (< ~waterLevel~0 2)) (.cse1 (< 1 ~waterLevel~0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (<= 2 ~waterLevel~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse5 .cse6) (or .cse4 .cse2 .cse5 .cse6 .cse7) (or .cse1 .cse2 .cse3 .cse7) (or (or .cse0 .cse8 .cse4 .cse2) .cse9) (or .cse9 (or .cse8 .cse4 .cse2 .cse7)))) [2018-12-02 12:38:54,220 INFO L444 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (<= 3 ~waterLevel~0)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse6 .cse7) (or .cse0 .cse4 .cse2 .cse6 .cse5) (or .cse1 .cse2 .cse3 .cse7))) [2018-12-02 12:38:54,220 INFO L448 ceAbstractionStarter]: For program point L647(lines 647 655) no Hoare annotation was computed. [2018-12-02 12:38:54,220 INFO L444 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (<= 3 ~waterLevel~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse6 .cse7) (or .cse0 .cse4 .cse2 .cse5 .cse6) (or .cse1 .cse2 .cse3 .cse7))) [2018-12-02 12:38:54,221 INFO L448 ceAbstractionStarter]: For program point L645-1(line 645) no Hoare annotation was computed. [2018-12-02 12:38:54,221 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 660) no Hoare annotation was computed. [2018-12-02 12:38:54,221 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 472 483) no Hoare annotation was computed. [2018-12-02 12:38:54,221 INFO L448 ceAbstractionStarter]: For program point L476-1(lines 472 483) no Hoare annotation was computed. [2018-12-02 12:38:54,221 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 472 483) the Hoare annotation is: (let ((.cse6 (< ~waterLevel~0 2)) (.cse10 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse9 (and .cse6 .cse10)) (.cse5 (<= 2 |old(~waterLevel~0)|)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~systemActive~0 0)) (.cse4 (<= 3 |old(~waterLevel~0)|)) (.cse3 (and (< ~waterLevel~0 3) .cse10)) (.cse7 (not (= 1 ~pumpRunning~0))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse0 .cse5 .cse1 .cse2) .cse6) (or (< 1 |old(~waterLevel~0)|) .cse2 (<= ~waterLevel~0 1) .cse7 .cse8) (or .cse9 (or .cse0 .cse5 .cse2 .cse7)) (or .cse0 .cse2 .cse4 .cse7 .cse3) (or .cse9 (or .cse5 .cse1 .cse2 .cse8)) (or .cse2 .cse4 .cse3 .cse7 .cse8)))) [2018-12-02 12:38:54,221 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-12-02 12:38:54,221 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-12-02 12:38:54,221 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-02 12:38:54,221 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-12-02 12:38:54,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:38:54 BoogieIcfgContainer [2018-12-02 12:38:54,232 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 12:38:54,232 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 12:38:54,232 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 12:38:54,232 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 12:38:54,233 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:38:41" (3/4) ... [2018-12-02 12:38:54,236 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 12:38:54,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 12:38:54,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 12:38:54,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 12:38:54,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-02 12:38:54,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 12:38:54,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-02 12:38:54,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 12:38:54,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 12:38:54,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 12:38:54,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 12:38:54,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 12:38:54,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 12:38:54,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 12:38:54,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 12:38:54,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-02 12:38:54,240 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-02 12:38:54,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 12:38:54,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 12:38:54,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 12:38:54,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-02 12:38:54,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 12:38:54,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 12:38:54,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 12:38:54,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 12:38:54,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-02 12:38:54,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 12:38:54,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 12:38:54,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-02 12:38:54,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 12:38:54,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 12:38:54,241 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 12:38:54,247 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-12-02 12:38:54,248 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 12:38:54,248 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 12:38:54,248 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 12:38:54,249 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 12:38:54,249 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 12:38:54,266 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == methaneLevelCritical && 0 == pumpRunning) && !(systemActive == 0)) && splverifierCounter == 0) && waterLevel <= 1) || ((((0 == pumpRunning && !(systemActive == 0)) && waterLevel < 3) && methaneLevelCritical == 1) && splverifierCounter == 0)) || \old(systemActive) == 0) || ((((!(systemActive == 0) && waterLevel < 3) && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && !(systemActive == 0)) && waterLevel < 3) && pumpRunning == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 12:38:54,267 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 12:38:54,298 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5bba9f65-a8aa-4cf0-9b3d-52a9bdd80e8d/bin-2019/utaipan/witness.graphml [2018-12-02 12:38:54,299 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 12:38:54,299 INFO L168 Benchmark]: Toolchain (without parser) took 13405.87 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 840.4 MB). Free memory was 947.0 MB in the beginning and 1.6 GB in the end (delta: -674.9 MB). Peak memory consumption was 165.6 MB. Max. memory is 11.5 GB. [2018-12-02 12:38:54,299 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 12:38:54,299 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -153.8 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2018-12-02 12:38:54,300 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.54 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 12:38:54,300 INFO L168 Benchmark]: Boogie Preprocessor took 23.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 12:38:54,300 INFO L168 Benchmark]: RCFGBuilder took 314.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. [2018-12-02 12:38:54,300 INFO L168 Benchmark]: TraceAbstraction took 12695.19 ms. Allocated memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: 726.1 MB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -595.9 MB). Peak memory consumption was 986.6 MB. Max. memory is 11.5 GB. [2018-12-02 12:38:54,300 INFO L168 Benchmark]: Witness Printer took 66.33 ms. Allocated memory is still 1.9 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2018-12-02 12:38:54,301 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 279.88 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.3 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -153.8 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.54 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 314.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12695.19 ms. Allocated memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: 726.1 MB). Free memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: -595.9 MB). Peak memory consumption was 986.6 MB. Max. memory is 11.5 GB. * Witness Printer took 66.33 ms. Allocated memory is still 1.9 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 862]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 863]: Loop Invariant Derived loop invariant: ((((((((((0 == methaneLevelCritical && 0 == pumpRunning) && !(systemActive == 0)) && splverifierCounter == 0) && waterLevel <= 1) || ((((0 == pumpRunning && !(systemActive == 0)) && waterLevel < 3) && methaneLevelCritical == 1) && splverifierCounter == 0)) || \old(systemActive) == 0) || ((((!(systemActive == 0) && waterLevel < 3) && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((((0 == methaneLevelCritical && !(systemActive == 0)) && waterLevel < 3) && pumpRunning == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 173 locations, 1 error locations. SAFE Result, 12.6s OverallTime, 14 OverallIterations, 4 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 5.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2902 SDtfs, 2256 SDslu, 9546 SDs, 0 SdLazy, 2542 SolverSat, 826 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 978 GetRequests, 844 SyntacticMatches, 16 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1910occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.4s AbstIntTime, 3 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 291 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 4115 PreInvPairs, 4360 NumberOfFragments, 3474 HoareAnnotationTreeSize, 4115 FomulaSimplifications, 7404 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 72 FomulaSimplificationsInter, 37935 FormulaSimplificationTreeSizeReductionInter, 4.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1757 NumberOfCodeBlocks, 1757 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2155 ConstructedInterpolants, 0 QuantifiedInterpolants, 444515 SizeOfPredicates, 17 NumberOfNonLiveVariables, 2536 ConjunctsInSsa, 61 ConjunctsInUnsatCore, 20 InterpolantComputations, 14 PerfectInterpolantSequences, 271/285 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...