./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product37_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f9effa72-a2ba-4cd2-b2c9-33932dedb242/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f9effa72-a2ba-4cd2-b2c9-33932dedb242/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f9effa72-a2ba-4cd2-b2c9-33932dedb242/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f9effa72-a2ba-4cd2-b2c9-33932dedb242/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product37_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f9effa72-a2ba-4cd2-b2c9-33932dedb242/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f9effa72-a2ba-4cd2-b2c9-33932dedb242/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 1b0c0c83f247eef1881f0b5170efc2ede9b08897 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:22:40,057 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:22:40,058 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:22:40,066 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:22:40,067 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:22:40,067 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:22:40,068 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:22:40,069 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:22:40,070 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:22:40,071 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:22:40,072 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:22:40,072 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:22:40,073 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:22:40,073 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:22:40,074 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:22:40,075 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:22:40,075 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:22:40,077 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:22:40,078 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:22:40,079 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:22:40,080 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:22:40,081 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:22:40,082 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:22:40,083 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:22:40,083 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:22:40,084 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:22:40,085 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:22:40,085 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:22:40,086 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:22:40,086 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:22:40,087 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:22:40,087 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:22:40,087 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:22:40,088 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:22:40,089 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:22:40,089 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:22:40,090 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f9effa72-a2ba-4cd2-b2c9-33932dedb242/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 16:22:40,099 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:22:40,100 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:22:40,100 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:22:40,100 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 16:22:40,100 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 16:22:40,101 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 16:22:40,101 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 16:22:40,101 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 16:22:40,101 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 16:22:40,101 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 16:22:40,101 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 16:22:40,101 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 16:22:40,102 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 16:22:40,102 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:22:40,102 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:22:40,102 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:22:40,102 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:22:40,103 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:22:40,103 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:22:40,103 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:22:40,103 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:22:40,103 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:22:40,103 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:22:40,105 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:22:40,106 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:22:40,106 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:22:40,106 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:22:40,106 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:22:40,106 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:22:40,106 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:22:40,106 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:22:40,107 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:22:40,107 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:22:40,107 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 16:22:40,107 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:22:40,107 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:22:40,107 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 16:22:40,108 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_f9effa72-a2ba-4cd2-b2c9-33932dedb242/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 -> 1b0c0c83f247eef1881f0b5170efc2ede9b08897 [2018-11-18 16:22:40,131 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:22:40,137 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:22:40,139 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:22:40,140 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:22:40,140 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:22:40,140 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f9effa72-a2ba-4cd2-b2c9-33932dedb242/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product37_true-unreach-call_false-termination.cil.c [2018-11-18 16:22:40,173 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f9effa72-a2ba-4cd2-b2c9-33932dedb242/bin-2019/utaipan/data/4cfbb4021/dd72de9fd1f84b9c8ba2bbdaf0b8ca96/FLAG9229dddfc [2018-11-18 16:22:40,592 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:22:40,592 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f9effa72-a2ba-4cd2-b2c9-33932dedb242/sv-benchmarks/c/product-lines/minepump_spec3_product37_true-unreach-call_false-termination.cil.c [2018-11-18 16:22:40,600 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f9effa72-a2ba-4cd2-b2c9-33932dedb242/bin-2019/utaipan/data/4cfbb4021/dd72de9fd1f84b9c8ba2bbdaf0b8ca96/FLAG9229dddfc [2018-11-18 16:22:40,609 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f9effa72-a2ba-4cd2-b2c9-33932dedb242/bin-2019/utaipan/data/4cfbb4021/dd72de9fd1f84b9c8ba2bbdaf0b8ca96 [2018-11-18 16:22:40,611 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:22:40,611 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:22:40,612 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:22:40,612 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:22:40,614 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:22:40,614 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:22:40" (1/1) ... [2018-11-18 16:22:40,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11c3b532 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:22:40, skipping insertion in model container [2018-11-18 16:22:40,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:22:40" (1/1) ... [2018-11-18 16:22:40,621 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:22:40,652 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:22:40,837 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:22:40,845 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:22:40,949 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:22:40,968 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:22:40,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:22:40 WrapperNode [2018-11-18 16:22:40,968 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:22:40,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:22:40,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:22:40,969 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:22:40,976 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:22:40" (1/1) ... [2018-11-18 16:22:40,989 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:22:40" (1/1) ... [2018-11-18 16:22:40,995 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:22:40,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:22:40,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:22:40,996 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:22:41,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:22:40" (1/1) ... [2018-11-18 16:22:41,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:22:40" (1/1) ... [2018-11-18 16:22:41,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:22:40" (1/1) ... [2018-11-18 16:22:41,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:22:40" (1/1) ... [2018-11-18 16:22:41,014 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:22:40" (1/1) ... [2018-11-18 16:22:41,020 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:22:40" (1/1) ... [2018-11-18 16:22:41,022 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:22:40" (1/1) ... [2018-11-18 16:22:41,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:22:41,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:22:41,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:22:41,025 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:22:41,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:22:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f9effa72-a2ba-4cd2-b2c9-33932dedb242/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:22:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 16:22:41,075 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 16:22:41,075 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:22:41,075 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:22:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:22:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 16:22:41,076 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 16:22:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 16:22:41,076 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 16:22:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 16:22:41,076 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 16:22:41,076 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 16:22:41,076 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 16:22:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 16:22:41,077 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 16:22:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 16:22:41,077 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 16:22:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 16:22:41,077 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 16:22:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 16:22:41,077 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 16:22:41,077 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 16:22:41,077 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 16:22:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 16:22:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 16:22:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 16:22:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 16:22:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 16:22:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 16:22:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 16:22:41,078 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 16:22:41,078 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 16:22:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 16:22:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 16:22:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 16:22:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 16:22:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 16:22:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 16:22:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 16:22:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 16:22:41,079 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 16:22:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 16:22:41,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 16:22:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 16:22:41,080 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 16:22:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:22:41,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:22:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 16:22:41,080 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 16:22:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-18 16:22:41,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-18 16:22:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 16:22:41,081 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 16:22:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:22:41,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:22:41,533 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:22:41,533 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:22:41 BoogieIcfgContainer [2018-11-18 16:22:41,533 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:22:41,534 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:22:41,534 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:22:41,536 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:22:41,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:22:40" (1/3) ... [2018-11-18 16:22:41,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a022299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:22:41, skipping insertion in model container [2018-11-18 16:22:41,537 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:22:40" (2/3) ... [2018-11-18 16:22:41,537 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a022299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:22:41, skipping insertion in model container [2018-11-18 16:22:41,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:22:41" (3/3) ... [2018-11-18 16:22:41,539 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product37_true-unreach-call_false-termination.cil.c [2018-11-18 16:22:41,545 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:22:41,551 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:22:41,560 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:22:41,583 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:22:41,583 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:22:41,584 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:22:41,584 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:22:41,584 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:22:41,584 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:22:41,584 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:22:41,584 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:22:41,599 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states. [2018-11-18 16:22:41,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 16:22:41,605 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:22:41,606 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:22:41,608 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:22:41,612 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:22:41,612 INFO L82 PathProgramCache]: Analyzing trace with hash 1513923435, now seen corresponding path program 1 times [2018-11-18 16:22:41,614 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:22:41,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:22:41,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:22:41,646 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:22:41,646 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:22:41,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:22:41,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:22:41,809 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:22:41,809 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 16:22:41,809 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:22:41,813 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 16:22:41,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 16:22:41,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:22:41,823 INFO L87 Difference]: Start difference. First operand 144 states. Second operand 2 states. [2018-11-18 16:22:41,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:22:41,851 INFO L93 Difference]: Finished difference Result 262 states and 325 transitions. [2018-11-18 16:22:41,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 16:22:41,852 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-18 16:22:41,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:22:41,860 INFO L225 Difference]: With dead ends: 262 [2018-11-18 16:22:41,861 INFO L226 Difference]: Without dead ends: 131 [2018-11-18 16:22:41,864 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:22:41,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-11-18 16:22:41,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-11-18 16:22:41,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-11-18 16:22:41,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 154 transitions. [2018-11-18 16:22:41,900 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 154 transitions. Word has length 52 [2018-11-18 16:22:41,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:22:41,901 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 154 transitions. [2018-11-18 16:22:41,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 16:22:41,901 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 154 transitions. [2018-11-18 16:22:41,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 16:22:41,903 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:22:41,903 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:22:41,904 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:22:41,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:22:41,904 INFO L82 PathProgramCache]: Analyzing trace with hash -629272463, now seen corresponding path program 1 times [2018-11-18 16:22:41,904 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:22:41,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:22:41,905 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:22:41,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:22:41,905 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:22:41,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:22:41,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:22:41,991 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:22:41,992 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:22:41,992 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:22:41,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:22:41,993 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:22:41,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:22:41,994 INFO L87 Difference]: Start difference. First operand 131 states and 154 transitions. Second operand 3 states. [2018-11-18 16:22:42,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:22:42,014 INFO L93 Difference]: Finished difference Result 209 states and 245 transitions. [2018-11-18 16:22:42,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:22:42,014 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-11-18 16:22:42,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:22:42,016 INFO L225 Difference]: With dead ends: 209 [2018-11-18 16:22:42,016 INFO L226 Difference]: Without dead ends: 121 [2018-11-18 16:22:42,017 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:22:42,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-11-18 16:22:42,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-11-18 16:22:42,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-11-18 16:22:42,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 141 transitions. [2018-11-18 16:22:42,028 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 141 transitions. Word has length 54 [2018-11-18 16:22:42,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:22:42,028 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 141 transitions. [2018-11-18 16:22:42,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:22:42,028 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 141 transitions. [2018-11-18 16:22:42,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 16:22:42,030 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:22:42,030 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:22:42,030 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:22:42,030 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:22:42,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1787440767, now seen corresponding path program 1 times [2018-11-18 16:22:42,030 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:22:42,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:22:42,031 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:22:42,031 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:22:42,031 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:22:42,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:22:42,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:22:42,158 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:22:42,158 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 16:22:42,158 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:22:42,159 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:22:42,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:22:42,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:22:42,159 INFO L87 Difference]: Start difference. First operand 121 states and 141 transitions. Second operand 7 states. [2018-11-18 16:22:42,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:22:42,460 INFO L93 Difference]: Finished difference Result 218 states and 259 transitions. [2018-11-18 16:22:42,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:22:42,460 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-18 16:22:42,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:22:42,461 INFO L225 Difference]: With dead ends: 218 [2018-11-18 16:22:42,462 INFO L226 Difference]: Without dead ends: 121 [2018-11-18 16:22:42,462 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:22:42,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-11-18 16:22:42,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-11-18 16:22:42,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-11-18 16:22:42,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 140 transitions. [2018-11-18 16:22:42,469 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 140 transitions. Word has length 58 [2018-11-18 16:22:42,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:22:42,469 INFO L480 AbstractCegarLoop]: Abstraction has 121 states and 140 transitions. [2018-11-18 16:22:42,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:22:42,470 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 140 transitions. [2018-11-18 16:22:42,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 16:22:42,471 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:22:42,472 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:22:42,472 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:22:42,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:22:42,472 INFO L82 PathProgramCache]: Analyzing trace with hash -27125183, now seen corresponding path program 1 times [2018-11-18 16:22:42,472 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:22:42,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:22:42,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:22:42,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:22:42,474 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:22:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:22:42,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:22:42,557 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:22:42,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:22:42,558 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:22:42,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 16:22:42,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:22:42,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:22:42,559 INFO L87 Difference]: Start difference. First operand 121 states and 140 transitions. Second operand 5 states. [2018-11-18 16:22:42,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:22:42,905 INFO L93 Difference]: Finished difference Result 326 states and 393 transitions. [2018-11-18 16:22:42,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 16:22:42,906 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-11-18 16:22:42,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:22:42,908 INFO L225 Difference]: With dead ends: 326 [2018-11-18 16:22:42,908 INFO L226 Difference]: Without dead ends: 229 [2018-11-18 16:22:42,909 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:22:42,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-11-18 16:22:42,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 210. [2018-11-18 16:22:42,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-11-18 16:22:42,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 240 transitions. [2018-11-18 16:22:42,932 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 240 transitions. Word has length 71 [2018-11-18 16:22:42,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:22:42,932 INFO L480 AbstractCegarLoop]: Abstraction has 210 states and 240 transitions. [2018-11-18 16:22:42,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 16:22:42,932 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 240 transitions. [2018-11-18 16:22:42,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-18 16:22:42,933 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:22:42,933 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:22:42,934 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:22:42,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:22:42,934 INFO L82 PathProgramCache]: Analyzing trace with hash -599752745, now seen corresponding path program 1 times [2018-11-18 16:22:42,934 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:22:42,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:22:42,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:22:42,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:22:42,935 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:22:42,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:22:43,019 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:22:43,019 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:22:43,019 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:22:43,020 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:22:43,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:22:43,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:22:43,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:22:43,021 INFO L87 Difference]: Start difference. First operand 210 states and 240 transitions. Second operand 6 states. [2018-11-18 16:22:43,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:22:43,168 INFO L93 Difference]: Finished difference Result 510 states and 615 transitions. [2018-11-18 16:22:43,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 16:22:43,168 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-11-18 16:22:43,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:22:43,171 INFO L225 Difference]: With dead ends: 510 [2018-11-18 16:22:43,172 INFO L226 Difference]: Without dead ends: 324 [2018-11-18 16:22:43,173 INFO L604 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 [2018-11-18 16:22:43,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2018-11-18 16:22:43,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 320. [2018-11-18 16:22:43,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-11-18 16:22:43,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 372 transitions. [2018-11-18 16:22:43,199 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 372 transitions. Word has length 85 [2018-11-18 16:22:43,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:22:43,199 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 372 transitions. [2018-11-18 16:22:43,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:22:43,199 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 372 transitions. [2018-11-18 16:22:43,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 16:22:43,201 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:22:43,201 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:22:43,201 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:22:43,201 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:22:43,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1853585937, now seen corresponding path program 1 times [2018-11-18 16:22:43,202 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:22:43,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:22:43,203 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:22:43,203 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:22:43,203 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:22:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:22:43,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:22:43,329 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:22:43,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:22:43,330 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:22:43,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:22:43,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:22:43,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:22:43,331 INFO L87 Difference]: Start difference. First operand 320 states and 372 transitions. Second operand 6 states. [2018-11-18 16:22:43,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:22:43,528 INFO L93 Difference]: Finished difference Result 687 states and 833 transitions. [2018-11-18 16:22:43,529 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:22:43,530 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-18 16:22:43,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:22:43,532 INFO L225 Difference]: With dead ends: 687 [2018-11-18 16:22:43,533 INFO L226 Difference]: Without dead ends: 501 [2018-11-18 16:22:43,534 INFO L604 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 [2018-11-18 16:22:43,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2018-11-18 16:22:43,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 483. [2018-11-18 16:22:43,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483 states. [2018-11-18 16:22:43,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 575 transitions. [2018-11-18 16:22:43,565 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 575 transitions. Word has length 89 [2018-11-18 16:22:43,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:22:43,566 INFO L480 AbstractCegarLoop]: Abstraction has 483 states and 575 transitions. [2018-11-18 16:22:43,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:22:43,566 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 575 transitions. [2018-11-18 16:22:43,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 16:22:43,567 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:22:43,568 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:22:43,568 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:22:43,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:22:43,568 INFO L82 PathProgramCache]: Analyzing trace with hash 930902354, now seen corresponding path program 1 times [2018-11-18 16:22:43,568 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:22:43,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:22:43,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:22:43,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:22:43,569 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:22:43,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:22:43,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:22:43,630 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:22:43,630 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:22:43,630 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:22:43,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 16:22:43,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:22:43,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:22:43,631 INFO L87 Difference]: Start difference. First operand 483 states and 575 transitions. Second operand 5 states. [2018-11-18 16:22:43,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:22:43,659 INFO L93 Difference]: Finished difference Result 842 states and 1024 transitions. [2018-11-18 16:22:43,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 16:22:43,660 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2018-11-18 16:22:43,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:22:43,662 INFO L225 Difference]: With dead ends: 842 [2018-11-18 16:22:43,662 INFO L226 Difference]: Without dead ends: 493 [2018-11-18 16:22:43,663 INFO L604 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 [2018-11-18 16:22:43,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2018-11-18 16:22:43,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 487. [2018-11-18 16:22:43,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2018-11-18 16:22:43,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 578 transitions. [2018-11-18 16:22:43,687 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 578 transitions. Word has length 89 [2018-11-18 16:22:43,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:22:43,688 INFO L480 AbstractCegarLoop]: Abstraction has 487 states and 578 transitions. [2018-11-18 16:22:43,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 16:22:43,688 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 578 transitions. [2018-11-18 16:22:43,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 16:22:43,689 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:22:43,689 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:22:43,689 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:22:43,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:22:43,690 INFO L82 PathProgramCache]: Analyzing trace with hash 86896852, now seen corresponding path program 1 times [2018-11-18 16:22:43,690 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:22:43,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:22:43,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:22:43,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:22:43,691 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:22:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:22:43,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:22:43,802 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:22:43,802 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 16:22:43,802 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:22:43,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 16:22:43,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 16:22:43,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:22:43,803 INFO L87 Difference]: Start difference. First operand 487 states and 578 transitions. Second operand 9 states. [2018-11-18 16:22:43,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:22:43,877 INFO L93 Difference]: Finished difference Result 956 states and 1158 transitions. [2018-11-18 16:22:43,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 16:22:43,878 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2018-11-18 16:22:43,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:22:43,880 INFO L225 Difference]: With dead ends: 956 [2018-11-18 16:22:43,880 INFO L226 Difference]: Without dead ends: 493 [2018-11-18 16:22:43,881 INFO L604 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 [2018-11-18 16:22:43,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2018-11-18 16:22:43,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 487. [2018-11-18 16:22:43,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2018-11-18 16:22:43,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 576 transitions. [2018-11-18 16:22:43,909 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 576 transitions. Word has length 89 [2018-11-18 16:22:43,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:22:43,909 INFO L480 AbstractCegarLoop]: Abstraction has 487 states and 576 transitions. [2018-11-18 16:22:43,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 16:22:43,909 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 576 transitions. [2018-11-18 16:22:43,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 16:22:43,911 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:22:43,911 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:22:43,911 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:22:43,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:22:43,911 INFO L82 PathProgramCache]: Analyzing trace with hash 588915668, now seen corresponding path program 1 times [2018-11-18 16:22:43,911 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:22:43,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:22:43,912 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:22:43,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:22:43,912 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:22:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:22:43,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:22:43,996 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:22:43,996 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 16:22:43,997 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:22:43,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 16:22:43,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 16:22:43,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:22:43,998 INFO L87 Difference]: Start difference. First operand 487 states and 576 transitions. Second operand 10 states. [2018-11-18 16:22:44,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:22:44,284 INFO L93 Difference]: Finished difference Result 956 states and 1134 transitions. [2018-11-18 16:22:44,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 16:22:44,285 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 90 [2018-11-18 16:22:44,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:22:44,287 INFO L225 Difference]: With dead ends: 956 [2018-11-18 16:22:44,287 INFO L226 Difference]: Without dead ends: 493 [2018-11-18 16:22:44,289 INFO L604 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 [2018-11-18 16:22:44,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2018-11-18 16:22:44,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 476. [2018-11-18 16:22:44,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 476 states. [2018-11-18 16:22:44,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 545 transitions. [2018-11-18 16:22:44,311 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 545 transitions. Word has length 90 [2018-11-18 16:22:44,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:22:44,312 INFO L480 AbstractCegarLoop]: Abstraction has 476 states and 545 transitions. [2018-11-18 16:22:44,312 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 16:22:44,312 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 545 transitions. [2018-11-18 16:22:44,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 16:22:44,314 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:22:44,314 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:22:44,314 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:22:44,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:22:44,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1220188856, now seen corresponding path program 1 times [2018-11-18 16:22:44,315 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:22:44,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:22:44,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:22:44,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:22:44,316 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:22:44,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:22:44,374 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 16:22:44,374 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:22:44,374 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:22:44,375 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 139 with the following transitions: [2018-11-18 16:22:44,376 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [23], [25], [26], [27], [28], [29], [32], [34], [35], [38], [40], [43], [50], [53], [55], [59], [65], [69], [73], [76], [79], [81], [87], [89], [92], [107], [108], [109], [110], [111], [112], [113], [115], [118], [122], [123], [131], [132], [135], [138], [142], [148], [176], [178], [181], [183], [185], [188], [190], [195], [201], [204], [208], [209], [213], [216], [218], [221], [231], [234], [238], [239], [242], [243], [244], [245], [246], [247], [248], [249], [250], [252], [254], [255], [256], [257], [258], [259], [262], [263], [264], [265], [268], [269], [272], [273], [274], [275], [276], [277], [278], [279], [284], [285], [286], [287], [288], [289], [290], [292], [293], [294], [296], [297], [298], [299] [2018-11-18 16:22:44,408 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:22:44,409 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:22:45,010 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 16:22:45,012 INFO L272 AbstractInterpreter]: Visited 63 different actions 92 times. Merged at 5 different actions 5 times. Never widened. Performed 4574 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4574 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-11-18 16:22:45,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:22:45,018 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 16:22:45,334 INFO L227 lantSequenceWeakener]: Weakened 73 states. On average, predicates are now at 96.43% of their original sizes. [2018-11-18 16:22:45,334 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 16:22:45,445 INFO L415 sIntCurrentIteration]: We unified 137 AI predicates to 137 [2018-11-18 16:22:45,446 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 16:22:45,446 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:22:45,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [6] total 20 [2018-11-18 16:22:45,447 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:22:45,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 16:22:45,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 16:22:45,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2018-11-18 16:22:45,447 INFO L87 Difference]: Start difference. First operand 476 states and 545 transitions. Second operand 16 states. [2018-11-18 16:22:48,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:22:48,733 INFO L93 Difference]: Finished difference Result 1074 states and 1259 transitions. [2018-11-18 16:22:48,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 16:22:48,733 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 138 [2018-11-18 16:22:48,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:22:48,735 INFO L225 Difference]: With dead ends: 1074 [2018-11-18 16:22:48,735 INFO L226 Difference]: Without dead ends: 622 [2018-11-18 16:22:48,736 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 145 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=438, Unknown=0, NotChecked=0, Total=552 [2018-11-18 16:22:48,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 622 states. [2018-11-18 16:22:48,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 622 to 615. [2018-11-18 16:22:48,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 615 states. [2018-11-18 16:22:48,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 615 states and 700 transitions. [2018-11-18 16:22:48,757 INFO L78 Accepts]: Start accepts. Automaton has 615 states and 700 transitions. Word has length 138 [2018-11-18 16:22:48,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:22:48,757 INFO L480 AbstractCegarLoop]: Abstraction has 615 states and 700 transitions. [2018-11-18 16:22:48,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 16:22:48,758 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 700 transitions. [2018-11-18 16:22:48,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 16:22:48,759 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:22:48,759 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:22:48,760 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:22:48,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:22:48,760 INFO L82 PathProgramCache]: Analyzing trace with hash 991194709, now seen corresponding path program 1 times [2018-11-18 16:22:48,760 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:22:48,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:22:48,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:22:48,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:22:48,761 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:22:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:22:48,879 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 16:22:48,879 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:22:48,879 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:22:48,879 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 139 with the following transitions: [2018-11-18 16:22:48,879 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [23], [25], [26], [27], [28], [29], [33], [34], [35], [38], [40], [43], [50], [53], [55], [59], [65], [69], [73], [76], [79], [81], [87], [89], [92], [107], [108], [109], [110], [111], [112], [113], [115], [120], [122], [123], [131], [132], [135], [138], [142], [148], [176], [178], [181], [183], [185], [188], [190], [195], [201], [204], [208], [209], [213], [216], [218], [221], [231], [234], [238], [239], [242], [243], [244], [245], [246], [247], [248], [249], [250], [252], [254], [255], [256], [257], [258], [259], [262], [263], [264], [265], [268], [269], [272], [273], [274], [275], [276], [277], [278], [279], [284], [285], [286], [287], [288], [289], [290], [292], [293], [294], [296], [297], [298], [299] [2018-11-18 16:22:48,882 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:22:48,882 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:22:49,232 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 16:22:49,232 INFO L272 AbstractInterpreter]: Visited 94 different actions 114 times. Merged at 5 different actions 5 times. Never widened. Performed 6085 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6085 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-11-18 16:22:49,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:22:49,241 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 16:22:49,241 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:22:49,241 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f9effa72-a2ba-4cd2-b2c9-33932dedb242/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 16:22:49,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:22:49,258 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 16:22:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:22:49,340 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:22:49,472 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 16:22:49,472 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 16:22:49,727 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 16:22:49,744 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 16:22:49,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 11] total 20 [2018-11-18 16:22:49,744 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 16:22:49,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 16:22:49,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 16:22:49,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2018-11-18 16:22:49,745 INFO L87 Difference]: Start difference. First operand 615 states and 700 transitions. Second operand 15 states. [2018-11-18 16:22:51,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:22:51,458 INFO L93 Difference]: Finished difference Result 1976 states and 2723 transitions. [2018-11-18 16:22:51,459 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-18 16:22:51,460 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 138 [2018-11-18 16:22:51,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:22:51,460 INFO L225 Difference]: With dead ends: 1976 [2018-11-18 16:22:51,460 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 16:22:51,464 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 325 GetRequests, 266 SyntacticMatches, 12 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 514 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=484, Invalid=1868, Unknown=0, NotChecked=0, Total=2352 [2018-11-18 16:22:51,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 16:22:51,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 16:22:51,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 16:22:51,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 16:22:51,465 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 138 [2018-11-18 16:22:51,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:22:51,465 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 16:22:51,465 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 16:22:51,466 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 16:22:51,466 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:22:51,470 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 16:22:51,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,719 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:51,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:22:53,014 WARN L180 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 52 [2018-11-18 16:22:53,525 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 45 [2018-11-18 16:22:53,828 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 37 [2018-11-18 16:22:53,979 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 38 [2018-11-18 16:22:54,186 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 37 [2018-11-18 16:22:54,388 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 40 [2018-11-18 16:22:54,830 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 917 923) the Hoare annotation is: true [2018-11-18 16:22:54,830 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 917 923) no Hoare annotation was computed. [2018-11-18 16:22:54,830 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 924 932) no Hoare annotation was computed. [2018-11-18 16:22:54,830 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 924 932) the Hoare annotation is: true [2018-11-18 16:22:54,830 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 924 932) no Hoare annotation was computed. [2018-11-18 16:22:54,830 INFO L425 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-18 16:22:54,831 INFO L425 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-18 16:22:54,831 INFO L421 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:22:54,831 INFO L421 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:22:54,831 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:22:54,831 INFO L421 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:22:54,831 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-18 16:22:54,831 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-18 16:22:54,832 INFO L421 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:22:54,832 INFO L421 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:22:54,832 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-18 16:22:54,832 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 631 639) no Hoare annotation was computed. [2018-11-18 16:22:54,832 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 631 639) the Hoare annotation is: true [2018-11-18 16:22:54,833 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 631 639) no Hoare annotation was computed. [2018-11-18 16:22:54,833 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 910 916) no Hoare annotation was computed. [2018-11-18 16:22:54,833 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 910 916) the Hoare annotation is: true [2018-11-18 16:22:54,833 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:22:54,833 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-18 16:22:54,833 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-18 16:22:54,833 INFO L428 ceAbstractionStarter]: At program point L625(line 625) the Hoare annotation is: true [2018-11-18 16:22:54,833 INFO L425 ceAbstractionStarter]: For program point L625-1(line 625) no Hoare annotation was computed. [2018-11-18 16:22:54,833 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 620 630) the Hoare annotation is: true [2018-11-18 16:22:54,833 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 620 630) no Hoare annotation was computed. [2018-11-18 16:22:54,833 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 620 630) no Hoare annotation was computed. [2018-11-18 16:22:54,833 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 612 619) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 16:22:54,833 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 612 619) no Hoare annotation was computed. [2018-11-18 16:22:54,833 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 612 619) no Hoare annotation was computed. [2018-11-18 16:22:54,833 INFO L425 ceAbstractionStarter]: For program point L845(lines 845 851) no Hoare annotation was computed. [2018-11-18 16:22:54,833 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 841 854) no Hoare annotation was computed. [2018-11-18 16:22:54,834 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 841 854) the Hoare annotation is: true [2018-11-18 16:22:54,834 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 841 854) no Hoare annotation was computed. [2018-11-18 16:22:54,834 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 579 603) no Hoare annotation was computed. [2018-11-18 16:22:54,834 INFO L421 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-11-18 16:22:54,834 INFO L425 ceAbstractionStarter]: For program point L598-1(lines 579 603) no Hoare annotation was computed. [2018-11-18 16:22:54,834 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 579 603) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-11-18 16:22:54,834 INFO L421 ceAbstractionStarter]: At program point L593(line 593) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-18 16:22:54,834 INFO L421 ceAbstractionStarter]: At program point L589(line 589) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-18 16:22:54,834 INFO L425 ceAbstractionStarter]: For program point L587(lines 587 595) no Hoare annotation was computed. [2018-11-18 16:22:54,834 INFO L421 ceAbstractionStarter]: At program point L585(line 585) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-18 16:22:54,834 INFO L425 ceAbstractionStarter]: For program point L585-1(line 585) no Hoare annotation was computed. [2018-11-18 16:22:54,834 INFO L425 ceAbstractionStarter]: For program point L583(lines 583 600) no Hoare annotation was computed. [2018-11-18 16:22:54,834 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 545 551) no Hoare annotation was computed. [2018-11-18 16:22:54,834 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 545 551) the Hoare annotation is: true [2018-11-18 16:22:54,834 INFO L425 ceAbstractionStarter]: For program point L706-1(lines 706 751) no Hoare annotation was computed. [2018-11-18 16:22:54,835 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 696 759) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:22:54,835 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 696 759) no Hoare annotation was computed. [2018-11-18 16:22:54,835 INFO L421 ceAbstractionStarter]: At program point L752(lines 705 753) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 16:22:54,835 INFO L425 ceAbstractionStarter]: For program point L742(lines 742 746) no Hoare annotation was computed. [2018-11-18 16:22:54,835 INFO L421 ceAbstractionStarter]: At program point L742-2(lines 736 747) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 16:22:54,835 INFO L425 ceAbstractionStarter]: For program point L707(lines 706 751) no Hoare annotation was computed. [2018-11-18 16:22:54,835 INFO L425 ceAbstractionStarter]: For program point L736(lines 736 747) no Hoare annotation was computed. [2018-11-18 16:22:54,835 INFO L421 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= ~systemActive~0 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 16:22:54,835 INFO L425 ceAbstractionStarter]: For program point L726(lines 726 732) no Hoare annotation was computed. [2018-11-18 16:22:54,835 INFO L425 ceAbstractionStarter]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2018-11-18 16:22:54,835 INFO L421 ceAbstractionStarter]: At program point L718(line 718) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 16:22:54,835 INFO L421 ceAbstractionStarter]: At program point L749(lines 706 751) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 16:22:54,835 INFO L425 ceAbstractionStarter]: For program point L716(lines 716 722) no Hoare annotation was computed. [2018-11-18 16:22:54,836 INFO L425 ceAbstractionStarter]: For program point L716-1(lines 716 722) no Hoare annotation was computed. [2018-11-18 16:22:54,836 INFO L425 ceAbstractionStarter]: For program point L708(lines 708 712) no Hoare annotation was computed. [2018-11-18 16:22:54,836 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 696 759) no Hoare annotation was computed. [2018-11-18 16:22:54,836 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:22:54,836 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 16:22:54,836 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:22:54,836 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 604 611) no Hoare annotation was computed. [2018-11-18 16:22:54,836 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 604 611) no Hoare annotation was computed. [2018-11-18 16:22:54,836 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 604 611) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (not (= ~systemActive~0 1))) [2018-11-18 16:22:54,836 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 832 840) the Hoare annotation is: true [2018-11-18 16:22:54,836 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 832 840) no Hoare annotation was computed. [2018-11-18 16:22:54,836 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 832 840) no Hoare annotation was computed. [2018-11-18 16:22:54,836 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 676 694) no Hoare annotation was computed. [2018-11-18 16:22:54,836 INFO L425 ceAbstractionStarter]: For program point L685(lines 685 689) no Hoare annotation was computed. [2018-11-18 16:22:54,836 INFO L428 ceAbstractionStarter]: At program point L683(line 683) the Hoare annotation is: true [2018-11-18 16:22:54,836 INFO L425 ceAbstractionStarter]: For program point L685-2(lines 685 689) no Hoare annotation was computed. [2018-11-18 16:22:54,836 INFO L425 ceAbstractionStarter]: For program point L683-1(line 683) no Hoare annotation was computed. [2018-11-18 16:22:54,837 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 676 694) the Hoare annotation is: true [2018-11-18 16:22:54,837 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 676 694) no Hoare annotation was computed. [2018-11-18 16:22:54,837 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 788 799) the Hoare annotation is: (let ((.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (= 0 ~methaneLevelCritical~0))) (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not .cse5)) (.cse7 (or (not (= 1 ~pumpRunning~0)) .cse4)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse4 .cse6) (or .cse7 .cse2 .cse3 .cse0) (or (= ~methaneLevelCritical~0 0) .cse7 .cse3 .cse6)))) [2018-11-18 16:22:54,837 INFO L425 ceAbstractionStarter]: For program point L792-1(lines 788 799) no Hoare annotation was computed. [2018-11-18 16:22:54,837 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 788 799) no Hoare annotation was computed. [2018-11-18 16:22:54,837 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 800 808) the Hoare annotation is: true [2018-11-18 16:22:54,837 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 800 808) no Hoare annotation was computed. [2018-11-18 16:22:54,837 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 800 808) no Hoare annotation was computed. [2018-11-18 16:22:54,838 INFO L421 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (or .cse0 .cse1 .cse2)) (or .cse3 .cse4 .cse5 .cse1) (or (and .cse6 (<= ~waterLevel~0 1) .cse3) (or .cse0 .cse1) .cse5) (or .cse4 .cse6 .cse5 .cse1) (or .cse4 (= ~waterLevel~0 2) .cse1 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) (or .cse4 .cse1 (= 1 ~waterLevel~0) .cse2))) [2018-11-18 16:22:54,838 INFO L421 ceAbstractionStarter]: At program point L532(lines 532 538) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse6 (<= ~waterLevel~0 1)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse9 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (or .cse0 .cse1 .cse2)) (or .cse3 (and (<= ~waterLevel~0 2) .cse4) .cse5 (and .cse6 .cse7) .cse1) (or .cse3 .cse1 .cse7 .cse2 .cse8) (or .cse3 (and .cse4 (or (= ~waterLevel~0 2) (= ~waterLevel~0 1))) .cse1 .cse8 (not (= |old(~waterLevel~0)| 2))) (or (and .cse9 (= 0 ~pumpRunning~0) .cse6) (and .cse9 .cse6 .cse7) (or .cse0 .cse1) .cse5) (or (< 1 |old(~waterLevel~0)|) .cse3 .cse9 .cse1) (or (= 1 ~waterLevel~0) .cse3 .cse1 .cse2))) [2018-11-18 16:22:54,838 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 521 544) the Hoare annotation is: (let ((.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse8 (= ~waterLevel~0 2)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (or .cse3 .cse4)) (.cse2 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (= 1 ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or (and (or .cse3 .cse4 .cse5) (or (or .cse6 .cse7) .cse0)) (or .cse8 .cse9)) (or .cse10 .cse11 .cse1 .cse4) (or .cse10 .cse8 .cse4 .cse6 .cse7) (or .cse11 (< 1 |old(~waterLevel~0)|) .cse0) (or .cse2 .cse10 .cse1 .cse4) (or .cse10 .cse4 .cse9 .cse5)))) [2018-11-18 16:22:54,838 INFO L421 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (or .cse0 .cse1)) (.cse3 (< 2 |old(~waterLevel~0)|))) (and (or (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (or (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) .cse2)) (or (= 1 ~waterLevel~0) (= ~waterLevel~0 2))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse3 .cse1) (or (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 .cse3)))) [2018-11-18 16:22:54,838 INFO L425 ceAbstractionStarter]: For program point L525(lines 524 543) no Hoare annotation was computed. [2018-11-18 16:22:54,839 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 521 544) no Hoare annotation was computed. [2018-11-18 16:22:54,839 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 521 544) no Hoare annotation was computed. [2018-11-18 16:22:54,839 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-18 16:22:54,839 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-18 16:22:54,839 INFO L428 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-18 16:22:54,839 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 52 66) no Hoare annotation was computed. [2018-11-18 16:22:54,839 INFO L428 ceAbstractionStarter]: At program point L52-3(lines 52 66) the Hoare annotation is: true [2018-11-18 16:22:54,839 INFO L428 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-18 16:22:54,839 INFO L425 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-18 16:22:54,839 INFO L428 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-18 16:22:54,840 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-18 16:22:54,840 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-18 16:22:54,840 INFO L425 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-18 16:22:54,840 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 865 897) no Hoare annotation was computed. [2018-11-18 16:22:54,840 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 865 897) the Hoare annotation is: true [2018-11-18 16:22:54,840 INFO L421 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0) (or (< 2 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0))) [2018-11-18 16:22:54,840 INFO L425 ceAbstractionStarter]: For program point L884(lines 884 890) no Hoare annotation was computed. [2018-11-18 16:22:54,840 INFO L421 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 .cse2 .cse1) (or (= ~methaneLevelCritical~0 0) .cse3 .cse2 .cse1) (or .cse3 .cse2 (= __utac_acc__Specification3_spec__1_~tmp~8 ~methaneLevelCritical~0) .cse1))) [2018-11-18 16:22:54,840 INFO L425 ceAbstractionStarter]: For program point L882-1(line 882) no Hoare annotation was computed. [2018-11-18 16:22:54,841 INFO L425 ceAbstractionStarter]: For program point L880(lines 880 893) no Hoare annotation was computed. [2018-11-18 16:22:54,841 INFO L425 ceAbstractionStarter]: For program point L880-1(lines 865 897) no Hoare annotation was computed. [2018-11-18 16:22:54,841 INFO L421 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse4 (< 2 ~waterLevel~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (= __utac_acc__Specification3_spec__1_~tmp~8 ~methaneLevelCritical~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse5 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse0 .cse1 .cse6 .cse3))) [2018-11-18 16:22:54,841 INFO L425 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2018-11-18 16:22:54,841 INFO L425 ceAbstractionStarter]: For program point L874(lines 874 894) no Hoare annotation was computed. [2018-11-18 16:22:54,841 INFO L428 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: true [2018-11-18 16:22:54,841 INFO L425 ceAbstractionStarter]: For program point L872-1(line 872) no Hoare annotation was computed. [2018-11-18 16:22:54,841 INFO L425 ceAbstractionStarter]: For program point L768-1(lines 764 775) no Hoare annotation was computed. [2018-11-18 16:22:54,842 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 764 775) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (or (= ~pumpRunning~0 0) .cse2))) (and (or (or (= 1 ~waterLevel~0) (= ~waterLevel~0 2)) (and (or (or (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) .cse0 .cse1) (or .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) (or (< 1 |old(~waterLevel~0)|) (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 .cse1) (or (< 2 |old(~waterLevel~0)|) .cse0 (<= ~waterLevel~0 2) .cse1)))) [2018-11-18 16:22:54,842 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 764 775) no Hoare annotation was computed. [2018-11-18 16:22:54,842 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-18 16:22:54,842 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-18 16:22:54,842 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:22:54,842 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-18 16:22:54,842 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:22:54,842 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:22:54,842 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 553 577) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-11-18 16:22:54,842 INFO L421 ceAbstractionStarter]: At program point L572(line 572) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-18 16:22:54,843 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 553 577) no Hoare annotation was computed. [2018-11-18 16:22:54,843 INFO L425 ceAbstractionStarter]: For program point L572-1(lines 553 577) no Hoare annotation was computed. [2018-11-18 16:22:54,843 INFO L421 ceAbstractionStarter]: At program point L567(line 567) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or .cse1 .cse0 (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0)) (= processEnvironment__wrappee__highWaterSensor_~tmp~4 0)) (or .cse1 (< 2 ~waterLevel~0) .cse0 (and (<= ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-18 16:22:54,843 INFO L421 ceAbstractionStarter]: At program point L563(line 563) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or .cse1 .cse0 (= processEnvironment__wrappee__highWaterSensor_~tmp~4 1) (not (= ~waterLevel~0 2))) (or .cse1 .cse0 (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 (< 2 ~waterLevel~0) .cse0))) [2018-11-18 16:22:54,843 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 569) no Hoare annotation was computed. [2018-11-18 16:22:54,843 INFO L421 ceAbstractionStarter]: At program point L559(line 559) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-11-18 16:22:54,843 INFO L425 ceAbstractionStarter]: For program point L559-1(line 559) no Hoare annotation was computed. [2018-11-18 16:22:54,843 INFO L425 ceAbstractionStarter]: For program point L557(lines 557 574) no Hoare annotation was computed. [2018-11-18 16:22:54,843 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 776 787) no Hoare annotation was computed. [2018-11-18 16:22:54,843 INFO L425 ceAbstractionStarter]: For program point L780-1(lines 776 787) no Hoare annotation was computed. [2018-11-18 16:22:54,843 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 776 787) the Hoare annotation is: (let ((.cse3 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse5 (= 1 ~waterLevel~0)) (.cse2 (< 1 |old(~waterLevel~0)|)) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (< 2 |old(~waterLevel~0)|) .cse0 (<= ~waterLevel~0 2) .cse1) (or (not (= |old(~waterLevel~0)| 2)) .cse0 .cse1 (or (= ~waterLevel~0 2) (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) (or .cse2 .cse3 .cse1 .cse4) (or .cse3 .cse1 .cse5 .cse6) (or .cse0 .cse1 .cse6 .cse5) (or .cse2 .cse4 .cse0 .cse1))) [2018-11-18 16:22:54,843 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 856 863) no Hoare annotation was computed. [2018-11-18 16:22:54,844 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2018-11-18 16:22:54,844 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 856 863) the Hoare annotation is: true [2018-11-18 16:22:54,844 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 856 863) no Hoare annotation was computed. [2018-11-18 16:22:54,858 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:22:54 BoogieIcfgContainer [2018-11-18 16:22:54,858 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:22:54,858 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:22:54,859 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:22:54,859 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:22:54,859 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:22:41" (3/4) ... [2018-11-18 16:22:54,862 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:22:54,867 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 16:22:54,867 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 16:22:54,867 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 16:22:54,868 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 16:22:54,868 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 16:22:54,868 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 16:22:54,868 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 16:22:54,868 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 16:22:54,868 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 16:22:54,868 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 16:22:54,868 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 16:22:54,868 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 16:22:54,868 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 16:22:54,868 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 16:22:54,869 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 16:22:54,869 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 16:22:54,869 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 16:22:54,869 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 16:22:54,869 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 16:22:54,869 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 16:22:54,869 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-18 16:22:54,869 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 16:22:54,869 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 16:22:54,870 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 16:22:54,870 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 16:22:54,870 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 16:22:54,880 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-11-18 16:22:54,880 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 16:22:54,881 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 16:22:54,900 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 16:22:54,900 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 16:22:54,935 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f9effa72-a2ba-4cd2-b2c9-33932dedb242/bin-2019/utaipan/witness.graphml [2018-11-18 16:22:54,936 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:22:54,936 INFO L168 Benchmark]: Toolchain (without parser) took 14325.29 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 684.2 MB). Free memory was 952.2 MB in the beginning and 861.4 MB in the end (delta: 90.8 MB). Peak memory consumption was 775.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:22:54,937 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:22:54,937 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:22:54,938 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:22:54,938 INFO L168 Benchmark]: Boogie Preprocessor took 28.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:22:54,938 INFO L168 Benchmark]: RCFGBuilder took 508.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 63.2 MB). Peak memory consumption was 63.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:22:54,938 INFO L168 Benchmark]: TraceAbstraction took 13324.19 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 534.2 MB). Free memory was 1.1 GB in the beginning and 877.6 MB in the end (delta: 192.6 MB). Peak memory consumption was 726.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:22:54,939 INFO L168 Benchmark]: Witness Printer took 77.14 ms. Allocated memory is still 1.7 GB. Free memory was 877.6 MB in the beginning and 861.4 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:22:54,940 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 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 356.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 952.2 MB in the beginning and 1.1 GB in the end (delta: -184.7 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 508.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 63.2 MB). Peak memory consumption was 63.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13324.19 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 534.2 MB). Free memory was 1.1 GB in the beginning and 877.6 MB in the end (delta: 192.6 MB). Peak memory consumption was 726.8 MB. Max. memory is 11.5 GB. * Witness Printer took 77.14 ms. Allocated memory is still 1.7 GB. Free memory was 877.6 MB in the beginning and 861.4 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 860]: 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 706]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 144 locations, 1 error locations. SAFE Result, 13.2s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 6.4s AutomataDifference, 0.0s DeadEndRemovalTime, 3.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 1778 SDtfs, 1735 SDslu, 6247 SDs, 0 SdLazy, 3413 SolverSat, 875 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 555 GetRequests, 421 SyntacticMatches, 14 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 601 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=615occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.0s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9979720479502356 AbsIntWeakeningRatio, 0.9051094890510949 AbsIntAvgWeakeningVarsNumRemoved, 30.255474452554743 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 77 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 1840 PreInvPairs, 2197 NumberOfFragments, 1749 HoareAnnotationTreeSize, 1840 FomulaSimplifications, 5866 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 59 FomulaSimplificationsInter, 18604 FormulaSimplificationTreeSizeReductionInter, 2.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1091 NumberOfCodeBlocks, 1091 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1216 ConstructedInterpolants, 0 QuantifiedInterpolants, 219013 SizeOfPredicates, 7 NumberOfNonLiveVariables, 737 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 104/124 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...