./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product57_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_90db061b-1c98-4662-9ed7-553e17155e80/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_90db061b-1c98-4662-9ed7-553e17155e80/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_90db061b-1c98-4662-9ed7-553e17155e80/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_90db061b-1c98-4662-9ed7-553e17155e80/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_90db061b-1c98-4662-9ed7-553e17155e80/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_90db061b-1c98-4662-9ed7-553e17155e80/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 edf277e8e45bc51905c3746c53b47e5f504df38a ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 11:04:33,145 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:04:33,147 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:04:33,155 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:04:33,155 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:04:33,156 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:04:33,157 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:04:33,158 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:04:33,159 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:04:33,160 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:04:33,160 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:04:33,161 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:04:33,161 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:04:33,162 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:04:33,163 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:04:33,163 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:04:33,164 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:04:33,165 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:04:33,166 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:04:33,167 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:04:33,168 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:04:33,169 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:04:33,171 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:04:33,171 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:04:33,171 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:04:33,172 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:04:33,172 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:04:33,173 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:04:33,173 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:04:33,174 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:04:33,174 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:04:33,175 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:04:33,175 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:04:33,175 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:04:33,176 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:04:33,176 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:04:33,176 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_90db061b-1c98-4662-9ed7-553e17155e80/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 11:04:33,186 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:04:33,187 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:04:33,187 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:04:33,187 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:04:33,187 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:04:33,188 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:04:33,188 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:04:33,188 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:04:33,188 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:04:33,188 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:04:33,188 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:04:33,188 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:04:33,189 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:04:33,189 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:04:33,189 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:04:33,189 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:04:33,189 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:04:33,190 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:04:33,190 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:04:33,190 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:04:33,190 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:04:33,190 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:04:33,190 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:04:33,190 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:04:33,191 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:04:33,191 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:04:33,191 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:04:33,191 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:04:33,191 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:04:33,191 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:04:33,192 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:04:33,192 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:04:33,192 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:04:33,192 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:04:33,192 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:04:33,192 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:04:33,192 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:04:33,192 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_90db061b-1c98-4662-9ed7-553e17155e80/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 -> edf277e8e45bc51905c3746c53b47e5f504df38a [2018-11-18 11:04:33,215 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:04:33,224 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:04:33,227 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:04:33,228 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:04:33,228 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:04:33,229 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_90db061b-1c98-4662-9ed7-553e17155e80/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-11-18 11:04:33,273 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_90db061b-1c98-4662-9ed7-553e17155e80/bin-2019/utaipan/data/5c54b9f87/e512d325be1d4d5bb0de4752b389cd4a/FLAGafa0ae5e8 [2018-11-18 11:04:33,644 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:04:33,645 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_90db061b-1c98-4662-9ed7-553e17155e80/sv-benchmarks/c/product-lines/minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-11-18 11:04:33,655 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_90db061b-1c98-4662-9ed7-553e17155e80/bin-2019/utaipan/data/5c54b9f87/e512d325be1d4d5bb0de4752b389cd4a/FLAGafa0ae5e8 [2018-11-18 11:04:33,664 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_90db061b-1c98-4662-9ed7-553e17155e80/bin-2019/utaipan/data/5c54b9f87/e512d325be1d4d5bb0de4752b389cd4a [2018-11-18 11:04:33,666 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:04:33,667 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:04:33,667 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:04:33,667 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:04:33,669 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:04:33,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:04:33" (1/1) ... [2018-11-18 11:04:33,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345e74ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:33, skipping insertion in model container [2018-11-18 11:04:33,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:04:33" (1/1) ... [2018-11-18 11:04:33,677 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:04:33,708 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:04:33,895 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:04:33,902 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:04:34,002 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:04:34,023 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:04:34,024 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:34 WrapperNode [2018-11-18 11:04:34,024 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:04:34,025 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:04:34,025 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:04:34,025 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:04:34,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:34" (1/1) ... [2018-11-18 11:04:34,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:34" (1/1) ... [2018-11-18 11:04:34,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:04:34,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:04:34,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:04:34,054 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:04:34,062 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:34" (1/1) ... [2018-11-18 11:04:34,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:34" (1/1) ... [2018-11-18 11:04:34,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:34" (1/1) ... [2018-11-18 11:04:34,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:34" (1/1) ... [2018-11-18 11:04:34,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:34" (1/1) ... [2018-11-18 11:04:34,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:34" (1/1) ... [2018-11-18 11:04:34,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:34" (1/1) ... [2018-11-18 11:04:34,086 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:04:34,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:04:34,087 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:04:34,087 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:04:34,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90db061b-1c98-4662-9ed7-553e17155e80/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 11:04:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 11:04:34,139 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 11:04:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:04:34,139 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:04:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 11:04:34,139 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 11:04:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:04:34,139 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 11:04:34,140 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 11:04:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 11:04:34,140 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 11:04:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 11:04:34,140 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 11:04:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 11:04:34,140 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 11:04:34,140 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 11:04:34,140 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 11:04:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 11:04:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 11:04:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 11:04:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 11:04:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 11:04:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 11:04:34,141 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 11:04:34,141 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 11:04:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 11:04:34,142 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 11:04:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 11:04:34,142 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 11:04:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 11:04:34,142 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 11:04:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 11:04:34,142 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 11:04:34,142 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 11:04:34,142 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 11:04:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 11:04:34,143 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 11:04:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 11:04:34,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 11:04:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 11:04:34,143 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 11:04:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 11:04:34,143 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 11:04:34,143 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 11:04:34,143 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 11:04:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 11:04:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 11:04:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 11:04:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 11:04:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:04:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:04:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 11:04:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 11:04:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 11:04:34,144 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 11:04:34,144 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:04:34,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:04:34,145 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-18 11:04:34,145 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-18 11:04:34,589 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:04:34,590 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:04:34 BoogieIcfgContainer [2018-11-18 11:04:34,590 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:04:34,591 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:04:34,591 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:04:34,594 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:04:34,594 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:04:33" (1/3) ... [2018-11-18 11:04:34,594 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22e2852b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:04:34, skipping insertion in model container [2018-11-18 11:04:34,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:04:34" (2/3) ... [2018-11-18 11:04:34,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22e2852b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:04:34, skipping insertion in model container [2018-11-18 11:04:34,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:04:34" (3/3) ... [2018-11-18 11:04:34,596 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product57_true-unreach-call_false-termination.cil.c [2018-11-18 11:04:34,604 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:04:34,611 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:04:34,624 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:04:34,652 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:04:34,652 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:04:34,652 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:04:34,653 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:04:34,653 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:04:34,653 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:04:34,653 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:04:34,653 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:04:34,670 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2018-11-18 11:04:34,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 11:04:34,677 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:04:34,677 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:04:34,679 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:04:34,684 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:34,684 INFO L82 PathProgramCache]: Analyzing trace with hash -105232346, now seen corresponding path program 1 times [2018-11-18 11:04:34,686 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:04:34,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:34,726 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:04:34,726 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:34,726 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:04:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:04:34,894 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 11:04:34,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:04:34,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:04:34,897 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:04:34,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:04:34,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:04:34,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:04:34,915 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 2 states. [2018-11-18 11:04:34,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:04:34,945 INFO L93 Difference]: Finished difference Result 284 states and 349 transitions. [2018-11-18 11:04:34,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:04:34,946 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 11:04:34,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:04:34,956 INFO L225 Difference]: With dead ends: 284 [2018-11-18 11:04:34,956 INFO L226 Difference]: Without dead ends: 142 [2018-11-18 11:04:34,960 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 11:04:34,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-11-18 11:04:34,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-11-18 11:04:34,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-11-18 11:04:34,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 166 transitions. [2018-11-18 11:04:34,995 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 166 transitions. Word has length 46 [2018-11-18 11:04:34,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:04:34,995 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 166 transitions. [2018-11-18 11:04:34,995 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:04:34,996 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 166 transitions. [2018-11-18 11:04:34,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 11:04:34,998 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:04:34,998 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:04:34,998 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:04:34,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:34,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1334394036, now seen corresponding path program 1 times [2018-11-18 11:04:34,999 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:04:35,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:35,000 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:04:35,000 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:35,000 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:04:35,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:04:35,087 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 11:04:35,087 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:04:35,088 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:04:35,088 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:04:35,089 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:04:35,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:04:35,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:04:35,090 INFO L87 Difference]: Start difference. First operand 142 states and 166 transitions. Second operand 3 states. [2018-11-18 11:04:35,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:04:35,108 INFO L93 Difference]: Finished difference Result 231 states and 269 transitions. [2018-11-18 11:04:35,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:04:35,109 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 11:04:35,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:04:35,110 INFO L225 Difference]: With dead ends: 231 [2018-11-18 11:04:35,110 INFO L226 Difference]: Without dead ends: 132 [2018-11-18 11:04:35,111 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 11:04:35,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-11-18 11:04:35,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-11-18 11:04:35,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-11-18 11:04:35,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 153 transitions. [2018-11-18 11:04:35,123 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 153 transitions. Word has length 48 [2018-11-18 11:04:35,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:04:35,123 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 153 transitions. [2018-11-18 11:04:35,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:04:35,123 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 153 transitions. [2018-11-18 11:04:35,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 11:04:35,124 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:04:35,124 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 11:04:35,125 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:04:35,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:35,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1693397457, now seen corresponding path program 1 times [2018-11-18 11:04:35,125 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:04:35,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:35,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:04:35,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:35,126 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:04:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:04:35,271 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 11:04:35,271 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:04:35,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:04:35,271 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:04:35,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:04:35,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:04:35,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:04:35,272 INFO L87 Difference]: Start difference. First operand 132 states and 153 transitions. Second operand 7 states. [2018-11-18 11:04:35,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:04:35,485 INFO L93 Difference]: Finished difference Result 240 states and 283 transitions. [2018-11-18 11:04:35,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:04:35,486 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-18 11:04:35,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:04:35,487 INFO L225 Difference]: With dead ends: 240 [2018-11-18 11:04:35,487 INFO L226 Difference]: Without dead ends: 132 [2018-11-18 11:04:35,488 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 11:04:35,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-11-18 11:04:35,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-11-18 11:04:35,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-11-18 11:04:35,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 152 transitions. [2018-11-18 11:04:35,503 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 152 transitions. Word has length 52 [2018-11-18 11:04:35,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:04:35,503 INFO L480 AbstractCegarLoop]: Abstraction has 132 states and 152 transitions. [2018-11-18 11:04:35,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:04:35,503 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 152 transitions. [2018-11-18 11:04:35,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 11:04:35,505 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:04:35,505 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] [2018-11-18 11:04:35,505 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:04:35,506 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:35,506 INFO L82 PathProgramCache]: Analyzing trace with hash 1384410721, now seen corresponding path program 1 times [2018-11-18 11:04:35,506 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:04:35,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:35,507 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:04:35,507 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:35,507 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:04:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:04:35,602 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 11:04:35,603 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:04:35,603 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:04:35,603 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:04:35,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:04:35,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:04:35,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:04:35,604 INFO L87 Difference]: Start difference. First operand 132 states and 152 transitions. Second operand 5 states. [2018-11-18 11:04:35,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:04:35,922 INFO L93 Difference]: Finished difference Result 338 states and 405 transitions. [2018-11-18 11:04:35,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:04:35,922 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-11-18 11:04:35,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:04:35,924 INFO L225 Difference]: With dead ends: 338 [2018-11-18 11:04:35,924 INFO L226 Difference]: Without dead ends: 230 [2018-11-18 11:04:35,924 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 11:04:35,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2018-11-18 11:04:35,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 211. [2018-11-18 11:04:35,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-11-18 11:04:35,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 240 transitions. [2018-11-18 11:04:35,945 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 240 transitions. Word has length 65 [2018-11-18 11:04:35,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:04:35,945 INFO L480 AbstractCegarLoop]: Abstraction has 211 states and 240 transitions. [2018-11-18 11:04:35,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:04:35,946 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 240 transitions. [2018-11-18 11:04:35,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-18 11:04:35,947 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:04:35,947 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] [2018-11-18 11:04:35,949 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:04:35,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:35,950 INFO L82 PathProgramCache]: Analyzing trace with hash -2043667552, now seen corresponding path program 1 times [2018-11-18 11:04:35,950 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:04:35,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:35,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:04:35,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:35,951 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:04:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:04:36,037 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 11:04:36,037 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:04:36,037 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:04:36,037 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:04:36,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:04:36,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:04:36,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:04:36,038 INFO L87 Difference]: Start difference. First operand 211 states and 240 transitions. Second operand 6 states. [2018-11-18 11:04:36,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:04:36,193 INFO L93 Difference]: Finished difference Result 570 states and 670 transitions. [2018-11-18 11:04:36,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 11:04:36,195 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2018-11-18 11:04:36,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:04:36,198 INFO L225 Difference]: With dead ends: 570 [2018-11-18 11:04:36,198 INFO L226 Difference]: Without dead ends: 383 [2018-11-18 11:04:36,199 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:04:36,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2018-11-18 11:04:36,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 377. [2018-11-18 11:04:36,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2018-11-18 11:04:36,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 430 transitions. [2018-11-18 11:04:36,245 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 430 transitions. Word has length 79 [2018-11-18 11:04:36,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:04:36,245 INFO L480 AbstractCegarLoop]: Abstraction has 377 states and 430 transitions. [2018-11-18 11:04:36,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:04:36,245 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 430 transitions. [2018-11-18 11:04:36,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-18 11:04:36,247 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:04:36,247 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] [2018-11-18 11:04:36,247 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:04:36,249 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:36,250 INFO L82 PathProgramCache]: Analyzing trace with hash -987783108, now seen corresponding path program 1 times [2018-11-18 11:04:36,250 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:04:36,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:36,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:04:36,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:36,251 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:04:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:04:36,336 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 11:04:36,336 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:04:36,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:04:36,337 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:04:36,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:04:36,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:04:36,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:04:36,338 INFO L87 Difference]: Start difference. First operand 377 states and 430 transitions. Second operand 7 states. [2018-11-18 11:04:36,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:04:36,691 INFO L93 Difference]: Finished difference Result 412 states and 482 transitions. [2018-11-18 11:04:36,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 11:04:36,692 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 83 [2018-11-18 11:04:36,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:04:36,694 INFO L225 Difference]: With dead ends: 412 [2018-11-18 11:04:36,694 INFO L226 Difference]: Without dead ends: 409 [2018-11-18 11:04:36,695 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 11:04:36,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2018-11-18 11:04:36,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 377. [2018-11-18 11:04:36,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2018-11-18 11:04:36,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 429 transitions. [2018-11-18 11:04:36,714 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 429 transitions. Word has length 83 [2018-11-18 11:04:36,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:04:36,714 INFO L480 AbstractCegarLoop]: Abstraction has 377 states and 429 transitions. [2018-11-18 11:04:36,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:04:36,714 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 429 transitions. [2018-11-18 11:04:36,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-18 11:04:36,715 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:04:36,716 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:04:36,716 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:04:36,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:36,716 INFO L82 PathProgramCache]: Analyzing trace with hash 2023392063, now seen corresponding path program 1 times [2018-11-18 11:04:36,717 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:04:36,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:36,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:04:36,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:36,717 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:04:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:04:36,781 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:04:36,781 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:04:36,781 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:04:36,781 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:04:36,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:04:36,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:04:36,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:04:36,782 INFO L87 Difference]: Start difference. First operand 377 states and 429 transitions. Second operand 6 states. [2018-11-18 11:04:36,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:04:36,807 INFO L93 Difference]: Finished difference Result 744 states and 866 transitions. [2018-11-18 11:04:36,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:04:36,808 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-11-18 11:04:36,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:04:36,809 INFO L225 Difference]: With dead ends: 744 [2018-11-18 11:04:36,809 INFO L226 Difference]: Without dead ends: 391 [2018-11-18 11:04:36,810 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:04:36,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2018-11-18 11:04:36,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 387. [2018-11-18 11:04:36,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2018-11-18 11:04:36,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 439 transitions. [2018-11-18 11:04:36,825 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 439 transitions. Word has length 99 [2018-11-18 11:04:36,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:04:36,825 INFO L480 AbstractCegarLoop]: Abstraction has 387 states and 439 transitions. [2018-11-18 11:04:36,825 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:04:36,825 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 439 transitions. [2018-11-18 11:04:36,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-18 11:04:36,827 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:04:36,827 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:04:36,827 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:04:36,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:36,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1378088895, now seen corresponding path program 1 times [2018-11-18 11:04:36,827 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:04:36,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:36,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:04:36,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:36,828 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:04:36,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:04:36,901 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:04:36,901 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:04:36,901 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 11:04:36,901 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:04:36,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 11:04:36,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 11:04:36,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 11:04:36,902 INFO L87 Difference]: Start difference. First operand 387 states and 439 transitions. Second operand 8 states. [2018-11-18 11:04:36,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:04:36,929 INFO L93 Difference]: Finished difference Result 764 states and 888 transitions. [2018-11-18 11:04:36,930 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 11:04:36,930 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2018-11-18 11:04:36,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:04:36,931 INFO L225 Difference]: With dead ends: 764 [2018-11-18 11:04:36,932 INFO L226 Difference]: Without dead ends: 401 [2018-11-18 11:04:36,932 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 11:04:36,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2018-11-18 11:04:36,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 395. [2018-11-18 11:04:36,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2018-11-18 11:04:36,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 447 transitions. [2018-11-18 11:04:36,946 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 447 transitions. Word has length 99 [2018-11-18 11:04:36,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:04:36,946 INFO L480 AbstractCegarLoop]: Abstraction has 395 states and 447 transitions. [2018-11-18 11:04:36,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 11:04:36,946 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 447 transitions. [2018-11-18 11:04:36,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-18 11:04:36,947 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:04:36,948 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:04:36,948 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:04:36,948 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:36,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1385848254, now seen corresponding path program 1 times [2018-11-18 11:04:36,948 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:04:36,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:36,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:04:36,949 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:36,949 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:04:36,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:04:37,004 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:04:37,004 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:04:37,004 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 11:04:37,004 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:04:37,005 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 11:04:37,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 11:04:37,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:04:37,005 INFO L87 Difference]: Start difference. First operand 395 states and 447 transitions. Second operand 4 states. [2018-11-18 11:04:37,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:04:37,147 INFO L93 Difference]: Finished difference Result 1167 states and 1390 transitions. [2018-11-18 11:04:37,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:04:37,148 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-11-18 11:04:37,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:04:37,150 INFO L225 Difference]: With dead ends: 1167 [2018-11-18 11:04:37,151 INFO L226 Difference]: Without dead ends: 796 [2018-11-18 11:04:37,151 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:04:37,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 796 states. [2018-11-18 11:04:37,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 796 to 781. [2018-11-18 11:04:37,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 781 states. [2018-11-18 11:04:37,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 911 transitions. [2018-11-18 11:04:37,179 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 911 transitions. Word has length 99 [2018-11-18 11:04:37,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:04:37,179 INFO L480 AbstractCegarLoop]: Abstraction has 781 states and 911 transitions. [2018-11-18 11:04:37,179 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 11:04:37,180 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 911 transitions. [2018-11-18 11:04:37,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-18 11:04:37,181 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:04:37,182 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:04:37,182 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:04:37,182 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:37,182 INFO L82 PathProgramCache]: Analyzing trace with hash 346547164, now seen corresponding path program 1 times [2018-11-18 11:04:37,182 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:04:37,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:37,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:04:37,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:37,183 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:04:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:04:37,293 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 11:04:37,294 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:04:37,294 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:04:37,295 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 104 with the following transitions: [2018-11-18 11:04:37,296 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [40], [44], [45], [46], [61], [64], [66], [70], [76], [80], [84], [87], [92], [95], [100], [103], [118], [119], [122], [123], [124], [126], [131], [134], [135], [137], [142], [144], [145], [150], [152], [185], [189], [196], [197], [205], [209], [212], [214], [217], [227], [230], [234], [235], [238], [240], [243], [245], [248], [257], [258], [259], [260], [261], [262], [263], [264], [265], [269], [271], [272], [279], [280], [281], [282], [283], [284], [285], [289], [290], [291], [292], [293], [294], [301], [302], [303], [305], [306], [307], [309], [310], [311], [312], [317], [318], [319], [320], [321] [2018-11-18 11:04:37,321 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:04:37,321 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:04:37,692 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:04:37,693 INFO L272 AbstractInterpreter]: Visited 77 different actions 77 times. Never merged. Never widened. Performed 2509 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2509 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-11-18 11:04:37,704 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:37,704 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:04:37,901 INFO L227 lantSequenceWeakener]: Weakened 75 states. On average, predicates are now at 97.29% of their original sizes. [2018-11-18 11:04:37,902 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:04:37,982 INFO L415 sIntCurrentIteration]: We unified 102 AI predicates to 102 [2018-11-18 11:04:37,982 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:04:37,983 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:04:37,983 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [13] total 26 [2018-11-18 11:04:37,983 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:04:37,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 11:04:37,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 11:04:37,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2018-11-18 11:04:37,984 INFO L87 Difference]: Start difference. First operand 781 states and 911 transitions. Second operand 15 states. [2018-11-18 11:04:40,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:04:40,969 INFO L93 Difference]: Finished difference Result 1728 states and 2040 transitions. [2018-11-18 11:04:40,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 11:04:40,969 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 103 [2018-11-18 11:04:40,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:04:40,973 INFO L225 Difference]: With dead ends: 1728 [2018-11-18 11:04:40,973 INFO L226 Difference]: Without dead ends: 971 [2018-11-18 11:04:40,975 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 108 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=338, Unknown=0, NotChecked=0, Total=420 [2018-11-18 11:04:40,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 971 states. [2018-11-18 11:04:41,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 971 to 967. [2018-11-18 11:04:41,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 967 states. [2018-11-18 11:04:41,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 967 states and 1104 transitions. [2018-11-18 11:04:41,018 INFO L78 Accepts]: Start accepts. Automaton has 967 states and 1104 transitions. Word has length 103 [2018-11-18 11:04:41,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:04:41,019 INFO L480 AbstractCegarLoop]: Abstraction has 967 states and 1104 transitions. [2018-11-18 11:04:41,019 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 11:04:41,019 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1104 transitions. [2018-11-18 11:04:41,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 11:04:41,022 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:04:41,023 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, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:04:41,023 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:04:41,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:41,023 INFO L82 PathProgramCache]: Analyzing trace with hash -15522300, now seen corresponding path program 1 times [2018-11-18 11:04:41,023 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:04:41,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:41,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:04:41,026 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:41,026 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:04:41,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:04:41,098 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 11:04:41,098 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:04:41,099 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:04:41,099 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 162 with the following transitions: [2018-11-18 11:04:41,099 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [36], [37], [40], [44], [45], [46], [49], [51], [57], [61], [64], [65], [66], [70], [76], [80], [84], [87], [92], [95], [98], [100], [103], [118], [119], [120], [121], [122], [123], [124], [126], [131], [134], [135], [137], [142], [144], [145], [150], [152], [182], [185], [189], [195], [196], [197], [200], [204], [205], [209], [212], [214], [217], [224], [227], [230], [234], [235], [238], [240], [243], [245], [248], [254], [256], [257], [258], [259], [260], [261], [262], [263], [264], [265], [267], [268], [269], [271], [272], [273], [274], [277], [278], [279], [280], [281], [282], [283], [284], [285], [286], [289], [290], [291], [292], [293], [294], [299], [300], [301], [302], [303], [304], [305], [306], [307], [309], [310], [311], [312], [315], [316], [317], [318], [319], [320], [321] [2018-11-18 11:04:41,101 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:04:41,102 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:04:42,719 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:04:42,719 INFO L272 AbstractInterpreter]: Visited 132 different actions 689 times. Merged at 20 different actions 54 times. Never widened. Performed 34918 root evaluator evaluations with a maximum evaluation depth of 5. Performed 34918 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 10 fixpoints after 4 different actions. Largest state had 132 variables. [2018-11-18 11:04:42,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:42,761 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:04:42,761 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:04:42,761 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90db061b-1c98-4662-9ed7-553e17155e80/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 11:04:42,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:04:42,771 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:04:42,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:04:42,882 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:04:42,934 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:04:42,934 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:04:43,316 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 11:04:43,342 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 11:04:43,343 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2018-11-18 11:04:43,343 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:04:43,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:04:43,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:04:43,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:04:43,344 INFO L87 Difference]: Start difference. First operand 967 states and 1104 transitions. Second operand 5 states. [2018-11-18 11:04:43,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:04:43,703 INFO L93 Difference]: Finished difference Result 1834 states and 2208 transitions. [2018-11-18 11:04:43,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:04:43,703 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2018-11-18 11:04:43,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:04:43,707 INFO L225 Difference]: With dead ends: 1834 [2018-11-18 11:04:43,707 INFO L226 Difference]: Without dead ends: 1227 [2018-11-18 11:04:43,708 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 322 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:04:43,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1227 states. [2018-11-18 11:04:43,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1227 to 1120. [2018-11-18 11:04:43,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1120 states. [2018-11-18 11:04:43,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 1120 states and 1301 transitions. [2018-11-18 11:04:43,754 INFO L78 Accepts]: Start accepts. Automaton has 1120 states and 1301 transitions. Word has length 161 [2018-11-18 11:04:43,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:04:43,754 INFO L480 AbstractCegarLoop]: Abstraction has 1120 states and 1301 transitions. [2018-11-18 11:04:43,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:04:43,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1301 transitions. [2018-11-18 11:04:43,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 11:04:43,756 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:04:43,757 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:04:43,757 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:04:43,757 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:43,757 INFO L82 PathProgramCache]: Analyzing trace with hash -225209378, now seen corresponding path program 1 times [2018-11-18 11:04:43,757 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:04:43,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:43,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:04:43,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:43,758 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:04:43,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:04:43,859 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 11:04:43,859 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:04:43,859 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:04:43,859 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-11-18 11:04:43,860 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [36], [37], [40], [44], [45], [46], [49], [51], [57], [61], [64], [65], [66], [70], [76], [80], [84], [87], [90], [92], [95], [98], [100], [103], [118], [119], [120], [121], [122], [123], [124], [126], [131], [134], [135], [137], [142], [144], [145], [150], [152], [182], [185], [189], [195], [196], [197], [200], [204], [205], [209], [212], [214], [217], [224], [227], [230], [234], [235], [238], [240], [243], [245], [248], [254], [256], [257], [258], [259], [260], [261], [262], [263], [264], [265], [267], [268], [269], [271], [272], [273], [274], [277], [278], [279], [280], [281], [282], [283], [284], [285], [286], [289], [290], [291], [292], [293], [294], [299], [300], [301], [302], [303], [304], [305], [306], [307], [309], [310], [311], [312], [315], [316], [317], [318], [319], [320], [321] [2018-11-18 11:04:43,862 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:04:43,863 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:04:44,897 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:04:44,897 INFO L272 AbstractInterpreter]: Visited 133 different actions 630 times. Merged at 21 different actions 59 times. Never widened. Performed 30610 root evaluator evaluations with a maximum evaluation depth of 5. Performed 30610 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 14 fixpoints after 6 different actions. Largest state had 132 variables. [2018-11-18 11:04:44,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:44,900 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:04:44,900 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:04:44,900 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_90db061b-1c98-4662-9ed7-553e17155e80/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 11:04:44,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:04:44,907 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:04:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:04:44,986 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:04:45,056 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 11:04:45,057 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:04:45,330 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 11:04:45,347 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 11:04:45,347 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10, 10] total 21 [2018-11-18 11:04:45,347 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:04:45,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 11:04:45,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 11:04:45,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=337, Unknown=0, NotChecked=0, Total=420 [2018-11-18 11:04:45,348 INFO L87 Difference]: Start difference. First operand 1120 states and 1301 transitions. Second operand 9 states. [2018-11-18 11:04:46,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:04:46,330 INFO L93 Difference]: Finished difference Result 2440 states and 3094 transitions. [2018-11-18 11:04:46,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-18 11:04:46,331 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2018-11-18 11:04:46,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:04:46,340 INFO L225 Difference]: With dead ends: 2440 [2018-11-18 11:04:46,340 INFO L226 Difference]: Without dead ends: 1686 [2018-11-18 11:04:46,343 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 307 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 186 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=158, Invalid=598, Unknown=0, NotChecked=0, Total=756 [2018-11-18 11:04:46,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1686 states. [2018-11-18 11:04:46,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1686 to 1396. [2018-11-18 11:04:46,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1396 states. [2018-11-18 11:04:46,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1396 states and 1632 transitions. [2018-11-18 11:04:46,424 INFO L78 Accepts]: Start accepts. Automaton has 1396 states and 1632 transitions. Word has length 157 [2018-11-18 11:04:46,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:04:46,424 INFO L480 AbstractCegarLoop]: Abstraction has 1396 states and 1632 transitions. [2018-11-18 11:04:46,425 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 11:04:46,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 1632 transitions. [2018-11-18 11:04:46,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-18 11:04:46,427 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:04:46,427 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:04:46,427 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:04:46,427 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:04:46,427 INFO L82 PathProgramCache]: Analyzing trace with hash 49550236, now seen corresponding path program 1 times [2018-11-18 11:04:46,428 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:04:46,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:46,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:04:46,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:04:46,428 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:04:46,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:04:46,528 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 11:04:46,528 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:04:46,528 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 11:04:46,529 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:04:46,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 11:04:46,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 11:04:46,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:04:46,529 INFO L87 Difference]: Start difference. First operand 1396 states and 1632 transitions. Second operand 9 states. [2018-11-18 11:04:46,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:04:46,605 INFO L93 Difference]: Finished difference Result 1789 states and 2090 transitions. [2018-11-18 11:04:46,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 11:04:46,606 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2018-11-18 11:04:46,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:04:46,607 INFO L225 Difference]: With dead ends: 1789 [2018-11-18 11:04:46,607 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:04:46,611 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 11:04:46,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:04:46,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:04:46,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:04:46,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:04:46,613 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2018-11-18 11:04:46,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:04:46,613 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:04:46,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 11:04:46,613 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:04:46,613 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:04:46,619 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:04:46,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,873 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:46,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:47,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:47,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:47,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:47,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:47,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:47,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:47,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:47,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:47,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:47,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:47,069 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:47,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:47,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:04:47,221 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 19 [2018-11-18 11:04:47,531 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 31 [2018-11-18 11:04:47,740 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 49 [2018-11-18 11:04:48,019 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 43 [2018-11-18 11:04:48,831 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 52 [2018-11-18 11:04:49,283 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2018-11-18 11:04:49,283 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2018-11-18 11:04:49,283 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2018-11-18 11:04:49,283 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2018-11-18 11:04:49,283 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 97 105) no Hoare annotation was computed. [2018-11-18 11:04:49,284 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 836 858) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 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 11:04:49,284 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 836 858) no Hoare annotation was computed. [2018-11-18 11:04:49,284 INFO L421 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:04:49,284 INFO L421 ceAbstractionStarter]: At program point L848-1(line 848) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= main_~tmp~10 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:04:49,284 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 853) no Hoare annotation was computed. [2018-11-18 11:04:49,284 INFO L425 ceAbstractionStarter]: For program point L846-1(lines 846 853) no Hoare annotation was computed. [2018-11-18 11:04:49,284 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 836 858) no Hoare annotation was computed. [2018-11-18 11:04:49,284 INFO L425 ceAbstractionStarter]: For program point L844(line 844) no Hoare annotation was computed. [2018-11-18 11:04:49,284 INFO L421 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 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 11:04:49,284 INFO L421 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 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 11:04:49,284 INFO L421 ceAbstractionStarter]: At program point L842-1(line 842) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 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 11:04:49,284 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 680 688) no Hoare annotation was computed. [2018-11-18 11:04:49,285 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 680 688) the Hoare annotation is: true [2018-11-18 11:04:49,285 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 680 688) no Hoare annotation was computed. [2018-11-18 11:04:49,285 INFO L425 ceAbstractionStarter]: For program point L753(lines 753 757) no Hoare annotation was computed. [2018-11-18 11:04:49,285 INFO L428 ceAbstractionStarter]: At program point L751(line 751) the Hoare annotation is: true [2018-11-18 11:04:49,285 INFO L425 ceAbstractionStarter]: For program point L753-2(lines 753 757) no Hoare annotation was computed. [2018-11-18 11:04:49,285 INFO L425 ceAbstractionStarter]: For program point L751-1(line 751) no Hoare annotation was computed. [2018-11-18 11:04:49,285 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 744 762) the Hoare annotation is: true [2018-11-18 11:04:49,285 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 744 762) no Hoare annotation was computed. [2018-11-18 11:04:49,285 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 744 762) no Hoare annotation was computed. [2018-11-18 11:04:49,285 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2018-11-18 11:04:49,285 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2018-11-18 11:04:49,285 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 826 835) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 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 11:04:49,285 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 826 835) no Hoare annotation was computed. [2018-11-18 11:04:49,285 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 826 835) no Hoare annotation was computed. [2018-11-18 11:04:49,286 INFO L425 ceAbstractionStarter]: For program point L674-1(line 674) no Hoare annotation was computed. [2018-11-18 11:04:49,286 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 669 679) the Hoare annotation is: true [2018-11-18 11:04:49,286 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 669 679) no Hoare annotation was computed. [2018-11-18 11:04:49,286 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 669 679) no Hoare annotation was computed. [2018-11-18 11:04:49,286 INFO L428 ceAbstractionStarter]: At program point L674(line 674) the Hoare annotation is: true [2018-11-18 11:04:49,286 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 661 668) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (= |old(~pumpRunning~0)| 0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-18 11:04:49,286 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 661 668) no Hoare annotation was computed. [2018-11-18 11:04:49,286 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 661 668) no Hoare annotation was computed. [2018-11-18 11:04:49,286 INFO L425 ceAbstractionStarter]: For program point L944(lines 944 950) no Hoare annotation was computed. [2018-11-18 11:04:49,286 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 940 953) no Hoare annotation was computed. [2018-11-18 11:04:49,286 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 940 953) the Hoare annotation is: true [2018-11-18 11:04:49,286 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 940 953) no Hoare annotation was computed. [2018-11-18 11:04:49,286 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 610 634) no Hoare annotation was computed. [2018-11-18 11:04:49,286 INFO L421 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| 0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse3 .cse5) (or .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse4 .cse1 .cse3))) [2018-11-18 11:04:49,287 INFO L425 ceAbstractionStarter]: For program point L629-1(lines 610 634) no Hoare annotation was computed. [2018-11-18 11:04:49,287 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 610 634) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 11:04:49,287 INFO L421 ceAbstractionStarter]: At program point L624(line 624) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-18 11:04:49,287 INFO L421 ceAbstractionStarter]: At program point L620(line 620) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= processEnvironment_~tmp~6 1))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse1 .cse2 .cse4) (or .cse5 .cse0 .cse1 .cse2))) [2018-11-18 11:04:49,287 INFO L425 ceAbstractionStarter]: For program point L618(lines 618 626) no Hoare annotation was computed. [2018-11-18 11:04:49,287 INFO L421 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse4 .cse1 .cse2) (or .cse5 .cse0 .cse1 .cse2))) [2018-11-18 11:04:49,287 INFO L425 ceAbstractionStarter]: For program point L616-1(line 616) no Hoare annotation was computed. [2018-11-18 11:04:49,287 INFO L425 ceAbstractionStarter]: For program point L614(lines 614 631) no Hoare annotation was computed. [2018-11-18 11:04:49,289 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 576 582) no Hoare annotation was computed. [2018-11-18 11:04:49,289 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 576 582) the Hoare annotation is: true [2018-11-18 11:04:49,290 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 477 540) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 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 11:04:49,290 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 477 540) no Hoare annotation was computed. [2018-11-18 11:04:49,290 INFO L421 ceAbstractionStarter]: At program point L533(lines 486 534) 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 11:04:49,290 INFO L425 ceAbstractionStarter]: For program point L523(lines 523 527) no Hoare annotation was computed. [2018-11-18 11:04:49,290 INFO L421 ceAbstractionStarter]: At program point L523-2(lines 517 528) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (<= 2 ~waterLevel~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse5 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 .cse3))) [2018-11-18 11:04:49,290 INFO L425 ceAbstractionStarter]: For program point L488(lines 487 532) no Hoare annotation was computed. [2018-11-18 11:04:49,290 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 528) no Hoare annotation was computed. [2018-11-18 11:04:49,290 INFO L421 ceAbstractionStarter]: At program point L509(line 509) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= ~systemActive~0 1)) (and .cse0 .cse1 .cse2 (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (<= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 1) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 (<= 2 ~waterLevel~0) .cse2))) [2018-11-18 11:04:49,290 INFO L425 ceAbstractionStarter]: For program point L507(lines 507 513) no Hoare annotation was computed. [2018-11-18 11:04:49,290 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 507 513) no Hoare annotation was computed. [2018-11-18 11:04:49,290 INFO L421 ceAbstractionStarter]: At program point L499(line 499) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse3 .cse0 .cse1 .cse2) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 (<= 2 ~waterLevel~0) .cse2))) [2018-11-18 11:04:49,291 INFO L421 ceAbstractionStarter]: At program point L530(lines 487 532) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse1) (not (= ~systemActive~0 1)) (and .cse0 .cse2 .cse3 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 11:04:49,291 INFO L425 ceAbstractionStarter]: For program point L497(lines 497 503) no Hoare annotation was computed. [2018-11-18 11:04:49,291 INFO L425 ceAbstractionStarter]: For program point L497-1(lines 497 503) no Hoare annotation was computed. [2018-11-18 11:04:49,291 INFO L425 ceAbstractionStarter]: For program point L489(lines 489 493) no Hoare annotation was computed. [2018-11-18 11:04:49,291 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 487 532) no Hoare annotation was computed. [2018-11-18 11:04:49,291 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 477 540) no Hoare annotation was computed. [2018-11-18 11:04:49,291 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 635 642) the Hoare annotation is: (or (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) (< ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 11:04:49,291 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 635 642) no Hoare annotation was computed. [2018-11-18 11:04:49,291 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 635 642) no Hoare annotation was computed. [2018-11-18 11:04:49,291 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 954 962) no Hoare annotation was computed. [2018-11-18 11:04:49,291 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 954 962) the Hoare annotation is: true [2018-11-18 11:04:49,291 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 954 962) no Hoare annotation was computed. [2018-11-18 11:04:49,292 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:04:49,292 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 11:04:49,292 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:04:49,292 INFO L421 ceAbstractionStarter]: At program point L655(line 655) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 11:04:49,292 INFO L425 ceAbstractionStarter]: For program point L655-1(lines 644 660) no Hoare annotation was computed. [2018-11-18 11:04:49,292 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 644 660) no Hoare annotation was computed. [2018-11-18 11:04:49,292 INFO L425 ceAbstractionStarter]: For program point L651(lines 651 657) no Hoare annotation was computed. [2018-11-18 11:04:49,292 INFO L421 ceAbstractionStarter]: At program point L649(line 649) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-18 11:04:49,292 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 644 660) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-18 11:04:49,292 INFO L425 ceAbstractionStarter]: For program point L649-1(line 649) no Hoare annotation was computed. [2018-11-18 11:04:49,292 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 725 743) no Hoare annotation was computed. [2018-11-18 11:04:49,292 INFO L425 ceAbstractionStarter]: For program point L734(lines 734 738) no Hoare annotation was computed. [2018-11-18 11:04:49,292 INFO L428 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: true [2018-11-18 11:04:49,293 INFO L425 ceAbstractionStarter]: For program point L734-2(lines 734 738) no Hoare annotation was computed. [2018-11-18 11:04:49,293 INFO L425 ceAbstractionStarter]: For program point L732-1(line 732) no Hoare annotation was computed. [2018-11-18 11:04:49,293 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 725 743) the Hoare annotation is: true [2018-11-18 11:04:49,293 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 725 743) no Hoare annotation was computed. [2018-11-18 11:04:49,293 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 887 898) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse4 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (< ~waterLevel~0 2) .cse1 .cse2)) (or .cse3 .cse0 .cse4 .cse1 .cse2) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse3 (= ~methaneLevelCritical~0 1) .cse4 .cse1))) [2018-11-18 11:04:49,293 INFO L425 ceAbstractionStarter]: For program point L891-1(lines 887 898) no Hoare annotation was computed. [2018-11-18 11:04:49,293 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 887 898) no Hoare annotation was computed. [2018-11-18 11:04:49,293 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 765 794) no Hoare annotation was computed. [2018-11-18 11:04:49,293 INFO L425 ceAbstractionStarter]: For program point L779(lines 779 783) no Hoare annotation was computed. [2018-11-18 11:04:49,293 INFO L428 ceAbstractionStarter]: At program point L779-1(lines 779 783) the Hoare annotation is: true [2018-11-18 11:04:49,293 INFO L425 ceAbstractionStarter]: For program point L775-1(lines 775 789) no Hoare annotation was computed. [2018-11-18 11:04:49,293 INFO L428 ceAbstractionStarter]: At program point L775-3(lines 775 789) the Hoare annotation is: true [2018-11-18 11:04:49,293 INFO L428 ceAbstractionStarter]: At program point L771(line 771) the Hoare annotation is: true [2018-11-18 11:04:49,293 INFO L425 ceAbstractionStarter]: For program point L771-1(line 771) no Hoare annotation was computed. [2018-11-18 11:04:49,294 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 765 794) the Hoare annotation is: true [2018-11-18 11:04:49,294 INFO L428 ceAbstractionStarter]: At program point L790(lines 765 794) the Hoare annotation is: true [2018-11-18 11:04:49,294 INFO L425 ceAbstractionStarter]: For program point L786(line 786) no Hoare annotation was computed. [2018-11-18 11:04:49,294 INFO L425 ceAbstractionStarter]: For program point L776(line 776) no Hoare annotation was computed. [2018-11-18 11:04:49,294 INFO L421 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse7 (= 1 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse9 (not (= |old(~waterLevel~0)| 2))) (.cse10 (= ~waterLevel~0 2)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse11 (and (<= |old(~waterLevel~0)| ~waterLevel~0) .cse4)) (.cse3 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (and (or (or .cse0 .cse1 .cse2) (and .cse3 .cse4)) (or .cse5 .cse6 (and .cse7 .cse4) .cse1 .cse8) (or .cse6 .cse1 .cse7 .cse8 .cse2) (or (or .cse5 .cse6 .cse1 .cse9) .cse10) (or .cse6 .cse11 (< |old(~waterLevel~0)| 1) .cse1 .cse2) (or (or .cse6 .cse1 .cse2 .cse9) .cse10) (or (or .cse5 .cse0 .cse1) .cse11 (and (not (= |old(~pumpRunning~0)| 0)) .cse3 .cse4))))) [2018-11-18 11:04:49,294 INFO L421 ceAbstractionStarter]: At program point L563(lines 563 569) the Hoare annotation is: (let ((.cse12 (= ~systemActive~0 1)) (.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (and (= 0 ~methaneLevelCritical~0) (<= 2 ~waterLevel~0) .cse12 .cse6)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 1 ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse11 (< |old(~waterLevel~0)| 2)) (.cse4 (not .cse12)) (.cse9 (= 0 ~pumpRunning~0)) (.cse10 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (and (or .cse0 .cse1 (and .cse2 .cse3) .cse4 .cse5) (or (or .cse0 .cse1 .cse4 (not (= |old(~waterLevel~0)| 2))) (= ~waterLevel~0 2)) (or .cse1 (and .cse6 .cse3) (< |old(~waterLevel~0)| 1) .cse7 .cse4 .cse8) (or .cse7 (and .cse9 .cse10) (or .cse11 .cse4 .cse8)) (or .cse1 .cse2 .cse4 .cse5 .cse8) (or (and .cse9 .cse6) (or .cse0 .cse11 .cse4) (and (not (= |old(~pumpRunning~0)| 0)) .cse9 .cse10))))) [2018-11-18 11:04:49,294 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 552 575) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse8 (= ~waterLevel~0 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse10 (< |old(~waterLevel~0)| 2)) (.cse9 (and (<= |old(~waterLevel~0)| ~waterLevel~0) .cse3)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (and .cse2 .cse3) .cse4 .cse5) (or .cse1 .cse4 .cse2 .cse5 .cse6) (or (or .cse0 .cse1 .cse4 .cse7) .cse8) (or (or .cse1 .cse4 .cse6 .cse7) .cse8) (or .cse9 (or .cse10 .cse4 .cse6)) (or (or .cse0 .cse10 .cse4) .cse9) (or .cse1 .cse3 (< |old(~waterLevel~0)| 1) .cse4 .cse6)))) [2018-11-18 11:04:49,294 INFO L421 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse0 (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< |old(~waterLevel~0)| 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse0 (or .cse4 .cse1 .cse2)) (or .cse4 .cse5 .cse6 .cse2) (or .cse5 .cse6 .cse2 .cse3))) [2018-11-18 11:04:49,294 INFO L425 ceAbstractionStarter]: For program point L556(lines 555 574) no Hoare annotation was computed. [2018-11-18 11:04:49,295 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 552 575) no Hoare annotation was computed. [2018-11-18 11:04:49,295 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 552 575) no Hoare annotation was computed. [2018-11-18 11:04:49,295 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 899 907) the Hoare annotation is: true [2018-11-18 11:04:49,295 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 899 907) no Hoare annotation was computed. [2018-11-18 11:04:49,295 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 899 907) no Hoare annotation was computed. [2018-11-18 11:04:49,295 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 863 874) the Hoare annotation is: (let ((.cse0 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (< |old(~waterLevel~0)| 2))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) (or .cse1 .cse2) .cse3) (or .cse0 (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) .cse3))) [2018-11-18 11:04:49,295 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 863 874) no Hoare annotation was computed. [2018-11-18 11:04:49,295 INFO L425 ceAbstractionStarter]: For program point L867-1(lines 863 874) no Hoare annotation was computed. [2018-11-18 11:04:49,295 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 819 825) no Hoare annotation was computed. [2018-11-18 11:04:49,295 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 819 825) the Hoare annotation is: true [2018-11-18 11:04:49,295 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:04:49,296 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 11:04:49,296 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:04:49,296 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:04:49,296 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 584 608) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 11:04:49,296 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 584 608) no Hoare annotation was computed. [2018-11-18 11:04:49,296 INFO L421 ceAbstractionStarter]: At program point L603(line 603) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 11:04:49,296 INFO L425 ceAbstractionStarter]: For program point L603-1(lines 584 608) no Hoare annotation was computed. [2018-11-18 11:04:49,296 INFO L421 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or .cse3 (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2)) (or .cse1 (< ~waterLevel~0 1) .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2018-11-18 11:04:49,296 INFO L421 ceAbstractionStarter]: At program point L594(line 594) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 1)) (.cse1 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 .cse3))) [2018-11-18 11:04:49,297 INFO L425 ceAbstractionStarter]: For program point L592(lines 592 600) no Hoare annotation was computed. [2018-11-18 11:04:49,297 INFO L421 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 11:04:49,297 INFO L425 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-11-18 11:04:49,297 INFO L425 ceAbstractionStarter]: For program point L588(lines 588 605) no Hoare annotation was computed. [2018-11-18 11:04:49,297 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 875 886) no Hoare annotation was computed. [2018-11-18 11:04:49,297 INFO L425 ceAbstractionStarter]: For program point L879-1(lines 875 886) no Hoare annotation was computed. [2018-11-18 11:04:49,297 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 875 886) the Hoare annotation is: (let ((.cse4 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse2 (= ~waterLevel~0 2)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse1 (or .cse4 .cse5)) (.cse10 (< |old(~waterLevel~0)| 2)) (.cse9 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= 1 ~waterLevel~0)) (.cse7 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse9 .cse10 (or .cse5 .cse8)) (or .cse2 (or .cse4 .cse5 .cse8) .cse3) (or .cse0 .cse1 .cse10 .cse9) (or .cse0 .cse4 .cse6 .cse5 .cse7)))) [2018-11-18 11:04:49,297 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 964 971) no Hoare annotation was computed. [2018-11-18 11:04:49,297 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 968) no Hoare annotation was computed. [2018-11-18 11:04:49,297 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 964 971) the Hoare annotation is: true [2018-11-18 11:04:49,297 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 964 971) no Hoare annotation was computed. [2018-11-18 11:04:49,297 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2018-11-18 11:04:49,298 INFO L421 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~waterLevel~0 2) .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-18 11:04:49,298 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2018-11-18 11:04:49,298 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2018-11-18 11:04:49,298 INFO L421 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0 .cse1) (or (< ~waterLevel~0 2) .cse0 .cse1))) [2018-11-18 11:04:49,298 INFO L425 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-11-18 11:04:49,298 INFO L425 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2018-11-18 11:04:49,298 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2018-11-18 11:04:49,298 INFO L428 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2018-11-18 11:04:49,298 INFO L425 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-11-18 11:04:49,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:04:49 BoogieIcfgContainer [2018-11-18 11:04:49,308 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:04:49,308 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:04:49,308 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:04:49,308 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:04:49,309 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:04:34" (3/4) ... [2018-11-18 11:04:49,311 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:04:49,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 11:04:49,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 11:04:49,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:04:49,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 11:04:49,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 11:04:49,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 11:04:49,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 11:04:49,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 11:04:49,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 11:04:49,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 11:04:49,316 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 11:04:49,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 11:04:49,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 11:04:49,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-18 11:04:49,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 11:04:49,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:04:49,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 11:04:49,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 11:04:49,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 11:04:49,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 11:04:49,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 11:04:49,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 11:04:49,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 11:04:49,317 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 11:04:49,318 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 11:04:49,318 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 11:04:49,318 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 11:04:49,318 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-18 11:04:49,323 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2018-11-18 11:04:49,324 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 11:04:49,324 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 11:04:49,344 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 11:04:49,345 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 11:04:49,377 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_90db061b-1c98-4662-9ed7-553e17155e80/bin-2019/utaipan/witness.graphml [2018-11-18 11:04:49,377 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:04:49,378 INFO L168 Benchmark]: Toolchain (without parser) took 15711.58 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 879.2 MB). Free memory was 951.1 MB in the beginning and 1.7 GB in the end (delta: -720.9 MB). Peak memory consumption was 158.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:04:49,378 INFO L168 Benchmark]: CDTParser took 0.17 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 11:04:49,379 INFO L168 Benchmark]: CACSL2BoogieTranslator took 356.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -195.2 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-11-18 11:04:49,379 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.41 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 11:04:49,379 INFO L168 Benchmark]: Boogie Preprocessor took 32.28 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 11:04:49,379 INFO L168 Benchmark]: RCFGBuilder took 503.52 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: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 11.5 GB. [2018-11-18 11:04:49,379 INFO L168 Benchmark]: TraceAbstraction took 14716.80 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 720.4 MB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -613.2 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-11-18 11:04:49,380 INFO L168 Benchmark]: Witness Printer took 69.44 ms. Allocated memory is still 1.9 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:04:49,381 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 356.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -195.2 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.41 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 32.28 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 503.52 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: 64.8 MB). Peak memory consumption was 64.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14716.80 ms. Allocated memory was 1.2 GB in the beginning and 1.9 GB in the end (delta: 720.4 MB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -613.2 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. * Witness Printer took 69.44 ms. Allocated memory is still 1.9 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 19.3 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 968]: 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: 765]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: (((((((0 == methaneLevelCritical && 2 <= waterLevel) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 775]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 155 locations, 1 error locations. SAFE Result, 14.6s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 5.7s AutomataDifference, 0.0s DeadEndRemovalTime, 2.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2417 SDtfs, 1854 SDslu, 6319 SDs, 0 SdLazy, 3167 SolverSat, 703 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.7s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 876 GetRequests, 763 SyntacticMatches, 6 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 257 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1396occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.1s AbstIntTime, 3 AbstIntIterations, 1 AbstIntStrong, 0.996858037577124 AbsIntWeakeningRatio, 1.0588235294117647 AbsIntAvgWeakeningVarsNumRemoved, 83.27450980392157 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 483 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 2273 PreInvPairs, 2365 NumberOfFragments, 2058 HoareAnnotationTreeSize, 2273 FomulaSimplifications, 10889 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 63 FomulaSimplificationsInter, 12171 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 1566 NumberOfCodeBlocks, 1566 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1867 ConstructedInterpolants, 0 QuantifiedInterpolants, 378107 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1565 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 17 InterpolantComputations, 12 PerfectInterpolantSequences, 251/269 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...