./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product62_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_9ba146b9-339d-4d4b-a484-07720216315b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9ba146b9-339d-4d4b-a484-07720216315b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9ba146b9-339d-4d4b-a484-07720216315b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9ba146b9-339d-4d4b-a484-07720216315b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product62_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9ba146b9-339d-4d4b-a484-07720216315b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9ba146b9-339d-4d4b-a484-07720216315b/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 aba800ab301c8226900a4d7cbc461b1db848e476 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:25:34,201 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:25:34,202 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:25:34,208 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:25:34,209 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:25:34,209 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:25:34,210 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:25:34,211 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:25:34,213 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:25:34,213 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:25:34,214 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:25:34,214 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:25:34,215 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:25:34,215 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:25:34,216 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:25:34,216 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:25:34,216 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:25:34,217 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:25:34,219 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:25:34,220 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:25:34,220 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:25:34,221 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:25:34,222 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:25:34,222 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:25:34,222 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:25:34,223 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:25:34,223 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:25:34,223 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:25:34,224 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:25:34,225 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:25:34,225 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:25:34,226 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:25:34,226 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:25:34,226 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:25:34,227 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:25:34,227 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:25:34,227 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9ba146b9-339d-4d4b-a484-07720216315b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 16:25:34,234 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:25:34,235 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:25:34,235 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:25:34,235 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 16:25:34,236 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 16:25:34,236 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 16:25:34,236 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 16:25:34,236 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 16:25:34,236 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 16:25:34,236 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 16:25:34,236 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 16:25:34,237 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 16:25:34,237 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 16:25:34,237 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:25:34,237 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:25:34,237 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:25:34,238 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:25:34,238 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:25:34,238 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:25:34,238 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:25:34,238 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:25:34,238 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:25:34,238 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:25:34,239 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:25:34,239 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:25:34,239 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:25:34,239 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:25:34,239 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:25:34,239 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:25:34,239 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:25:34,240 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:25:34,240 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:25:34,240 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:25:34,240 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 16:25:34,240 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:25:34,240 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:25:34,240 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 16:25:34,240 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_9ba146b9-339d-4d4b-a484-07720216315b/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 -> aba800ab301c8226900a4d7cbc461b1db848e476 [2018-11-18 16:25:34,268 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:25:34,277 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:25:34,280 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:25:34,281 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:25:34,282 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:25:34,282 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9ba146b9-339d-4d4b-a484-07720216315b/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product62_true-unreach-call_false-termination.cil.c [2018-11-18 16:25:34,327 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9ba146b9-339d-4d4b-a484-07720216315b/bin-2019/utaipan/data/166960264/d19ed7638b084a6e8ce76f2825fa1e69/FLAGc1c359e06 [2018-11-18 16:25:34,765 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:25:34,765 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9ba146b9-339d-4d4b-a484-07720216315b/sv-benchmarks/c/product-lines/minepump_spec5_product62_true-unreach-call_false-termination.cil.c [2018-11-18 16:25:34,773 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9ba146b9-339d-4d4b-a484-07720216315b/bin-2019/utaipan/data/166960264/d19ed7638b084a6e8ce76f2825fa1e69/FLAGc1c359e06 [2018-11-18 16:25:34,785 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9ba146b9-339d-4d4b-a484-07720216315b/bin-2019/utaipan/data/166960264/d19ed7638b084a6e8ce76f2825fa1e69 [2018-11-18 16:25:34,788 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:25:34,789 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:25:34,790 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:25:34,790 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:25:34,793 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:25:34,794 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:25:34" (1/1) ... [2018-11-18 16:25:34,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5af69b26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:34, skipping insertion in model container [2018-11-18 16:25:34,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:25:34" (1/1) ... [2018-11-18 16:25:34,805 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:25:34,840 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:25:35,043 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:25:35,051 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:25:35,155 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:25:35,178 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:25:35,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:35 WrapperNode [2018-11-18 16:25:35,178 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:25:35,179 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:25:35,179 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:25:35,179 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:25:35,186 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:35" (1/1) ... [2018-11-18 16:25:35,200 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:35" (1/1) ... [2018-11-18 16:25:35,207 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:25:35,207 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:25:35,207 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:25:35,207 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:25:35,215 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:35" (1/1) ... [2018-11-18 16:25:35,215 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:35" (1/1) ... [2018-11-18 16:25:35,218 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:35" (1/1) ... [2018-11-18 16:25:35,218 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:35" (1/1) ... [2018-11-18 16:25:35,227 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:35" (1/1) ... [2018-11-18 16:25:35,233 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:35" (1/1) ... [2018-11-18 16:25:35,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:35" (1/1) ... [2018-11-18 16:25:35,238 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:25:35,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:25:35,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:25:35,239 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:25:35,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9ba146b9-339d-4d4b-a484-07720216315b/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:25:35,278 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 16:25:35,278 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 16:25:35,278 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:25:35,278 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:25:35,278 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 16:25:35,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 16:25:35,278 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 16:25:35,278 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 16:25:35,279 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 16:25:35,279 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 16:25:35,279 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 16:25:35,279 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 16:25:35,279 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 16:25:35,279 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 16:25:35,279 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 16:25:35,279 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 16:25:35,279 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 16:25:35,279 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 16:25:35,280 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 16:25:35,280 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 16:25:35,280 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 16:25:35,280 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 16:25:35,280 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 16:25:35,280 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 16:25:35,280 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 16:25:35,280 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 16:25:35,280 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 16:25:35,281 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 16:25:35,281 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 16:25:35,281 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 16:25:35,281 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 16:25:35,281 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 16:25:35,281 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 16:25:35,281 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 16:25:35,281 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 16:25:35,281 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 16:25:35,282 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 16:25:35,282 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 16:25:35,282 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 16:25:35,282 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 16:25:35,282 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 16:25:35,282 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 16:25:35,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 16:25:35,282 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 16:25:35,283 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 16:25:35,283 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-18 16:25:35,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-18 16:25:35,283 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-18 16:25:35,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-18 16:25:35,283 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-18 16:25:35,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-18 16:25:35,283 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 16:25:35,283 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 16:25:35,284 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 16:25:35,284 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 16:25:35,284 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 16:25:35,284 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 16:25:35,284 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 16:25:35,284 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 16:25:35,284 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 16:25:35,284 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 16:25:35,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:25:35,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:25:35,285 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 16:25:35,285 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 16:25:35,285 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 16:25:35,285 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 16:25:35,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:25:35,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:25:35,731 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:25:35,731 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:25:35 BoogieIcfgContainer [2018-11-18 16:25:35,731 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:25:35,732 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:25:35,732 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:25:35,735 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:25:35,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:25:34" (1/3) ... [2018-11-18 16:25:35,735 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e82b1b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:25:35, skipping insertion in model container [2018-11-18 16:25:35,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:35" (2/3) ... [2018-11-18 16:25:35,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e82b1b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:25:35, skipping insertion in model container [2018-11-18 16:25:35,736 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:25:35" (3/3) ... [2018-11-18 16:25:35,738 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product62_true-unreach-call_false-termination.cil.c [2018-11-18 16:25:35,744 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:25:35,749 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:25:35,758 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:25:35,781 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:25:35,781 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:25:35,781 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:25:35,781 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:25:35,781 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:25:35,781 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:25:35,781 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:25:35,781 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:25:35,796 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-11-18 16:25:35,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 16:25:35,803 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:25:35,804 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] [2018-11-18 16:25:35,806 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:25:35,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:25:35,810 INFO L82 PathProgramCache]: Analyzing trace with hash 1938126417, now seen corresponding path program 1 times [2018-11-18 16:25:35,811 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:25:35,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:35,840 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:25:35,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:35,840 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:25:35,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:25:36,014 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 16:25:36,015 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:25:36,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 16:25:36,015 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:25:36,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 16:25:36,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 16:25:36,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:25:36,030 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 2 states. [2018-11-18 16:25:36,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:25:36,062 INFO L93 Difference]: Finished difference Result 334 states and 411 transitions. [2018-11-18 16:25:36,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 16:25:36,063 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-18 16:25:36,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:25:36,073 INFO L225 Difference]: With dead ends: 334 [2018-11-18 16:25:36,073 INFO L226 Difference]: Without dead ends: 169 [2018-11-18 16:25:36,076 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 16:25:36,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-11-18 16:25:36,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2018-11-18 16:25:36,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-11-18 16:25:36,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 199 transitions. [2018-11-18 16:25:36,115 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 199 transitions. Word has length 59 [2018-11-18 16:25:36,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:25:36,115 INFO L480 AbstractCegarLoop]: Abstraction has 169 states and 199 transitions. [2018-11-18 16:25:36,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 16:25:36,115 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 199 transitions. [2018-11-18 16:25:36,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 16:25:36,118 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:25:36,118 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] [2018-11-18 16:25:36,118 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:25:36,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:25:36,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1201607914, now seen corresponding path program 1 times [2018-11-18 16:25:36,119 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:25:36,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:36,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:25:36,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:36,120 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:25:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:25:36,197 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 16:25:36,197 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:25:36,198 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:25:36,198 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:25:36,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:25:36,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:25:36,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:25:36,200 INFO L87 Difference]: Start difference. First operand 169 states and 199 transitions. Second operand 3 states. [2018-11-18 16:25:36,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:25:36,232 INFO L93 Difference]: Finished difference Result 277 states and 327 transitions. [2018-11-18 16:25:36,233 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:25:36,233 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-18 16:25:36,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:25:36,234 INFO L225 Difference]: With dead ends: 277 [2018-11-18 16:25:36,235 INFO L226 Difference]: Without dead ends: 159 [2018-11-18 16:25:36,236 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:25:36,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-11-18 16:25:36,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2018-11-18 16:25:36,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-11-18 16:25:36,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 186 transitions. [2018-11-18 16:25:36,250 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 186 transitions. Word has length 61 [2018-11-18 16:25:36,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:25:36,250 INFO L480 AbstractCegarLoop]: Abstraction has 159 states and 186 transitions. [2018-11-18 16:25:36,250 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:25:36,250 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 186 transitions. [2018-11-18 16:25:36,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 16:25:36,252 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:25:36,253 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] [2018-11-18 16:25:36,253 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:25:36,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:25:36,253 INFO L82 PathProgramCache]: Analyzing trace with hash 390140361, now seen corresponding path program 1 times [2018-11-18 16:25:36,253 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:25:36,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:36,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:25:36,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:36,255 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:25:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:25:36,398 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 16:25:36,399 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:25:36,399 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 16:25:36,399 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:25:36,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:25:36,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:25:36,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:25:36,400 INFO L87 Difference]: Start difference. First operand 159 states and 186 transitions. Second operand 7 states. [2018-11-18 16:25:36,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:25:36,877 INFO L93 Difference]: Finished difference Result 290 states and 345 transitions. [2018-11-18 16:25:36,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:25:36,878 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-18 16:25:36,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:25:36,879 INFO L225 Difference]: With dead ends: 290 [2018-11-18 16:25:36,879 INFO L226 Difference]: Without dead ends: 159 [2018-11-18 16:25:36,880 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:25:36,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-11-18 16:25:36,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2018-11-18 16:25:36,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-11-18 16:25:36,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 185 transitions. [2018-11-18 16:25:36,897 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 185 transitions. Word has length 66 [2018-11-18 16:25:36,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:25:36,899 INFO L480 AbstractCegarLoop]: Abstraction has 159 states and 185 transitions. [2018-11-18 16:25:36,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:25:36,899 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 185 transitions. [2018-11-18 16:25:36,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 16:25:36,902 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:25:36,902 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] [2018-11-18 16:25:36,902 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:25:36,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:25:36,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1348050575, now seen corresponding path program 1 times [2018-11-18 16:25:36,903 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:25:36,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:36,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:25:36,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:36,904 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:25:36,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:25:37,018 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 16:25:37,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:25:37,019 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:25:37,019 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:25:37,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 16:25:37,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:25:37,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:25:37,020 INFO L87 Difference]: Start difference. First operand 159 states and 185 transitions. Second operand 5 states. [2018-11-18 16:25:37,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:25:37,471 INFO L93 Difference]: Finished difference Result 416 states and 500 transitions. [2018-11-18 16:25:37,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 16:25:37,471 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2018-11-18 16:25:37,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:25:37,473 INFO L225 Difference]: With dead ends: 416 [2018-11-18 16:25:37,473 INFO L226 Difference]: Without dead ends: 285 [2018-11-18 16:25:37,473 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:25:37,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2018-11-18 16:25:37,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 265. [2018-11-18 16:25:37,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-11-18 16:25:37,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 300 transitions. [2018-11-18 16:25:37,494 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 300 transitions. Word has length 84 [2018-11-18 16:25:37,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:25:37,495 INFO L480 AbstractCegarLoop]: Abstraction has 265 states and 300 transitions. [2018-11-18 16:25:37,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 16:25:37,495 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 300 transitions. [2018-11-18 16:25:37,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 16:25:37,496 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:25:37,496 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] [2018-11-18 16:25:37,497 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:25:37,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:25:37,497 INFO L82 PathProgramCache]: Analyzing trace with hash -462207001, now seen corresponding path program 1 times [2018-11-18 16:25:37,497 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:25:37,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:37,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:25:37,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:37,498 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:25:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:25:37,584 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 16:25:37,585 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:25:37,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 16:25:37,585 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:25:37,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 16:25:37,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 16:25:37,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:25:37,586 INFO L87 Difference]: Start difference. First operand 265 states and 300 transitions. Second operand 7 states. [2018-11-18 16:25:38,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:25:38,079 INFO L93 Difference]: Finished difference Result 521 states and 606 transitions. [2018-11-18 16:25:38,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 16:25:38,079 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 98 [2018-11-18 16:25:38,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:25:38,080 INFO L225 Difference]: With dead ends: 521 [2018-11-18 16:25:38,080 INFO L226 Difference]: Without dead ends: 284 [2018-11-18 16:25:38,081 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 16:25:38,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2018-11-18 16:25:38,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 264. [2018-11-18 16:25:38,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2018-11-18 16:25:38,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 297 transitions. [2018-11-18 16:25:38,096 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 297 transitions. Word has length 98 [2018-11-18 16:25:38,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:25:38,096 INFO L480 AbstractCegarLoop]: Abstraction has 264 states and 297 transitions. [2018-11-18 16:25:38,096 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 16:25:38,096 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 297 transitions. [2018-11-18 16:25:38,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 16:25:38,097 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:25:38,097 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:25:38,097 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:25:38,097 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:25:38,098 INFO L82 PathProgramCache]: Analyzing trace with hash 1379749400, now seen corresponding path program 1 times [2018-11-18 16:25:38,098 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:25:38,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:38,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:25:38,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:38,099 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:25:38,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:25:38,163 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 16:25:38,163 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:25:38,163 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 16:25:38,163 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:25:38,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:25:38,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:25:38,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:25:38,165 INFO L87 Difference]: Start difference. First operand 264 states and 297 transitions. Second operand 6 states. [2018-11-18 16:25:38,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:25:38,194 INFO L93 Difference]: Finished difference Result 507 states and 584 transitions. [2018-11-18 16:25:38,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:25:38,195 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 114 [2018-11-18 16:25:38,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:25:38,197 INFO L225 Difference]: With dead ends: 507 [2018-11-18 16:25:38,197 INFO L226 Difference]: Without dead ends: 271 [2018-11-18 16:25:38,198 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 16:25:38,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2018-11-18 16:25:38,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 269. [2018-11-18 16:25:38,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-11-18 16:25:38,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 302 transitions. [2018-11-18 16:25:38,211 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 302 transitions. Word has length 114 [2018-11-18 16:25:38,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:25:38,211 INFO L480 AbstractCegarLoop]: Abstraction has 269 states and 302 transitions. [2018-11-18 16:25:38,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:25:38,211 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 302 transitions. [2018-11-18 16:25:38,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 16:25:38,214 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:25:38,214 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:25:38,214 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:25:38,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:25:38,214 INFO L82 PathProgramCache]: Analyzing trace with hash -976055850, now seen corresponding path program 1 times [2018-11-18 16:25:38,214 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:25:38,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:38,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:25:38,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:38,215 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:25:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:25:38,291 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 16:25:38,291 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:25:38,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 16:25:38,291 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:25:38,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 16:25:38,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 16:25:38,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:25:38,292 INFO L87 Difference]: Start difference. First operand 269 states and 302 transitions. Second operand 8 states. [2018-11-18 16:25:38,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:25:38,343 INFO L93 Difference]: Finished difference Result 517 states and 595 transitions. [2018-11-18 16:25:38,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 16:25:38,344 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 114 [2018-11-18 16:25:38,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:25:38,345 INFO L225 Difference]: With dead ends: 517 [2018-11-18 16:25:38,345 INFO L226 Difference]: Without dead ends: 276 [2018-11-18 16:25:38,346 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 16:25:38,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2018-11-18 16:25:38,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 273. [2018-11-18 16:25:38,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2018-11-18 16:25:38,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 306 transitions. [2018-11-18 16:25:38,362 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 306 transitions. Word has length 114 [2018-11-18 16:25:38,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:25:38,362 INFO L480 AbstractCegarLoop]: Abstraction has 273 states and 306 transitions. [2018-11-18 16:25:38,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 16:25:38,363 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 306 transitions. [2018-11-18 16:25:38,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 16:25:38,364 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:25:38,364 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:25:38,364 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:25:38,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:25:38,364 INFO L82 PathProgramCache]: Analyzing trace with hash -206885835, now seen corresponding path program 1 times [2018-11-18 16:25:38,365 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:25:38,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:38,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:25:38,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:38,366 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:25:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:25:38,453 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 16:25:38,453 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:25:38,453 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 16:25:38,453 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:25:38,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 16:25:38,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 16:25:38,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 16:25:38,454 INFO L87 Difference]: Start difference. First operand 273 states and 306 transitions. Second operand 4 states. [2018-11-18 16:25:38,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:25:38,667 INFO L93 Difference]: Finished difference Result 789 states and 925 transitions. [2018-11-18 16:25:38,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 16:25:38,668 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 114 [2018-11-18 16:25:38,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:25:38,670 INFO L225 Difference]: With dead ends: 789 [2018-11-18 16:25:38,671 INFO L226 Difference]: Without dead ends: 544 [2018-11-18 16:25:38,672 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 16:25:38,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 544 states. [2018-11-18 16:25:38,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 544 to 535. [2018-11-18 16:25:38,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 535 states. [2018-11-18 16:25:38,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 616 transitions. [2018-11-18 16:25:38,701 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 616 transitions. Word has length 114 [2018-11-18 16:25:38,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:25:38,702 INFO L480 AbstractCegarLoop]: Abstraction has 535 states and 616 transitions. [2018-11-18 16:25:38,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 16:25:38,702 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 616 transitions. [2018-11-18 16:25:38,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-11-18 16:25:38,703 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:25:38,704 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:25:38,704 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:25:38,704 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:25:38,704 INFO L82 PathProgramCache]: Analyzing trace with hash -996057413, now seen corresponding path program 1 times [2018-11-18 16:25:38,704 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:25:38,707 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:38,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:25:38,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:38,708 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:25:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:25:38,850 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 16:25:38,850 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:25:38,850 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 16:25:38,850 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:25:38,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 16:25:38,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 16:25:38,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-18 16:25:38,851 INFO L87 Difference]: Start difference. First operand 535 states and 616 transitions. Second operand 9 states. [2018-11-18 16:25:39,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:25:39,597 INFO L93 Difference]: Finished difference Result 1408 states and 1689 transitions. [2018-11-18 16:25:39,598 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 16:25:39,598 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 118 [2018-11-18 16:25:39,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:25:39,601 INFO L225 Difference]: With dead ends: 1408 [2018-11-18 16:25:39,601 INFO L226 Difference]: Without dead ends: 979 [2018-11-18 16:25:39,616 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-18 16:25:39,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 979 states. [2018-11-18 16:25:39,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 979 to 895. [2018-11-18 16:25:39,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 895 states. [2018-11-18 16:25:39,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 895 states and 1018 transitions. [2018-11-18 16:25:39,647 INFO L78 Accepts]: Start accepts. Automaton has 895 states and 1018 transitions. Word has length 118 [2018-11-18 16:25:39,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:25:39,648 INFO L480 AbstractCegarLoop]: Abstraction has 895 states and 1018 transitions. [2018-11-18 16:25:39,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 16:25:39,648 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1018 transitions. [2018-11-18 16:25:39,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-11-18 16:25:39,650 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:25:39,650 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, 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, 1, 1] [2018-11-18 16:25:39,650 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:25:39,651 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:25:39,651 INFO L82 PathProgramCache]: Analyzing trace with hash 1529201784, now seen corresponding path program 1 times [2018-11-18 16:25:39,651 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:25:39,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:39,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:25:39,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:39,652 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:25:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:25:39,777 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 16:25:39,777 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:25:39,778 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:25:39,778 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 198 with the following transitions: [2018-11-18 16:25:39,779 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [51], [53], [59], [63], [66], [67], [68], [69], [71], [74], [78], [79], [80], [84], [86], [87], [90], [94], [95], [96], [99], [101], [107], [111], [114], [115], [116], [120], [126], [130], [134], [137], [140], [142], [148], [150], [156], [161], [169], [170], [171], [172], [173], [174], [175], [177], [182], [185], [186], [187], [188], [190], [195], [197], [198], [233], [234], [238], [241], [245], [251], [254], [258], [259], [265], [268], [270], [273], [280], [283], [286], [290], [291], [294], [295], [296], [297], [298], [299], [300], [302], [303], [304], [305], [306], [307], [308], [309], [310], [312], [313], [316], [317], [318], [319], [320], [321], [322], [323], [324], [326], [327], [328], [329], [332], [333], [334], [335], [336], [337], [342], [343], [346], [347], [348], [349], [350], [351], [356], [357], [358], [359], [360], [361], [362], [363], [364], [365], [366], [368], [369], [370], [371], [374], [375] [2018-11-18 16:25:39,808 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:25:39,808 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:25:41,388 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 16:25:41,389 INFO L272 AbstractInterpreter]: Visited 154 different actions 743 times. Merged at 17 different actions 48 times. Never widened. Performed 23874 root evaluator evaluations with a maximum evaluation depth of 5. Performed 23874 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 9 fixpoints after 3 different actions. Largest state had 135 variables. [2018-11-18 16:25:41,395 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:25:41,396 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 16:25:41,396 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:25:41,397 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9ba146b9-339d-4d4b-a484-07720216315b/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 16:25:41,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:25:41,406 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 16:25:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:25:41,527 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:25:41,672 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 39 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:25:41,672 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 16:25:42,116 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 16:25:42,143 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 16:25:42,143 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-11-18 16:25:42,143 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 16:25:42,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 16:25:42,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 16:25:42,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-18 16:25:42,144 INFO L87 Difference]: Start difference. First operand 895 states and 1018 transitions. Second operand 16 states. [2018-11-18 16:25:43,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:25:43,060 INFO L93 Difference]: Finished difference Result 2002 states and 2355 transitions. [2018-11-18 16:25:43,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-18 16:25:43,061 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 197 [2018-11-18 16:25:43,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:25:43,066 INFO L225 Difference]: With dead ends: 2002 [2018-11-18 16:25:43,066 INFO L226 Difference]: Without dead ends: 1211 [2018-11-18 16:25:43,069 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 423 GetRequests, 386 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=188, Invalid=934, Unknown=0, NotChecked=0, Total=1122 [2018-11-18 16:25:43,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1211 states. [2018-11-18 16:25:43,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1211 to 1066. [2018-11-18 16:25:43,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1066 states. [2018-11-18 16:25:43,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1066 states to 1066 states and 1223 transitions. [2018-11-18 16:25:43,132 INFO L78 Accepts]: Start accepts. Automaton has 1066 states and 1223 transitions. Word has length 197 [2018-11-18 16:25:43,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:25:43,132 INFO L480 AbstractCegarLoop]: Abstraction has 1066 states and 1223 transitions. [2018-11-18 16:25:43,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 16:25:43,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1223 transitions. [2018-11-18 16:25:43,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 336 [2018-11-18 16:25:43,138 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:25:43,138 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2018-11-18 16:25:43,138 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:25:43,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:25:43,139 INFO L82 PathProgramCache]: Analyzing trace with hash 799375826, now seen corresponding path program 1 times [2018-11-18 16:25:43,139 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:25:43,139 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:43,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:25:43,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:43,140 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:25:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:25:43,295 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 104 proven. 9 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2018-11-18 16:25:43,295 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:25:43,296 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:25:43,296 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 336 with the following transitions: [2018-11-18 16:25:43,296 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [51], [53], [59], [63], [66], [67], [68], [69], [71], [74], [78], [79], [80], [84], [86], [87], [88], [89], [90], [94], [95], [96], [99], [101], [104], [107], [111], [114], [115], [116], [120], [126], [130], [134], [137], [140], [142], [148], [150], [156], [161], [169], [170], [171], [172], [173], [174], [175], [177], [182], [185], [186], [187], [188], [190], [195], [197], [198], [233], [234], [238], [241], [245], [251], [254], [258], [259], [265], [268], [270], [273], [280], [283], [286], [290], [291], [294], [295], [296], [297], [298], [299], [300], [302], [303], [304], [305], [306], [307], [308], [309], [310], [312], [313], [316], [317], [318], [319], [320], [321], [322], [323], [324], [326], [327], [328], [329], [330], [331], [332], [333], [334], [335], [336], [337], [342], [343], [346], [347], [348], [349], [350], [351], [356], [357], [358], [359], [360], [361], [362], [363], [364], [365], [366], [368], [369], [370], [371], [374], [375] [2018-11-18 16:25:43,301 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:25:43,302 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:25:44,966 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 16:25:44,967 INFO L272 AbstractInterpreter]: Visited 159 different actions 1078 times. Merged at 21 different actions 84 times. Never widened. Performed 37662 root evaluator evaluations with a maximum evaluation depth of 5. Performed 37662 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 15 fixpoints after 2 different actions. Largest state had 135 variables. [2018-11-18 16:25:44,976 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:25:44,976 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 16:25:44,977 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:25:44,977 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9ba146b9-339d-4d4b-a484-07720216315b/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 16:25:44,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:25:44,984 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 16:25:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:25:45,089 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:25:45,285 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 243 proven. 5 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-11-18 16:25:45,286 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 16:25:45,837 INFO L134 CoverageAnalysis]: Checked inductivity of 334 backedges. 82 proven. 31 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2018-11-18 16:25:45,852 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 16:25:45,853 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 13] total 26 [2018-11-18 16:25:45,853 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 16:25:45,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 16:25:45,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 16:25:45,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2018-11-18 16:25:45,854 INFO L87 Difference]: Start difference. First operand 1066 states and 1223 transitions. Second operand 18 states. [2018-11-18 16:25:47,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:25:47,877 INFO L93 Difference]: Finished difference Result 2838 states and 3439 transitions. [2018-11-18 16:25:47,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-18 16:25:47,878 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 335 [2018-11-18 16:25:47,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:25:47,884 INFO L225 Difference]: With dead ends: 2838 [2018-11-18 16:25:47,886 INFO L226 Difference]: Without dead ends: 1535 [2018-11-18 16:25:47,889 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 715 GetRequests, 658 SyntacticMatches, 10 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 476 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=499, Invalid=1853, Unknown=0, NotChecked=0, Total=2352 [2018-11-18 16:25:47,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1535 states. [2018-11-18 16:25:47,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1535 to 1413. [2018-11-18 16:25:47,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1413 states. [2018-11-18 16:25:47,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1413 states to 1413 states and 1607 transitions. [2018-11-18 16:25:47,967 INFO L78 Accepts]: Start accepts. Automaton has 1413 states and 1607 transitions. Word has length 335 [2018-11-18 16:25:47,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:25:47,968 INFO L480 AbstractCegarLoop]: Abstraction has 1413 states and 1607 transitions. [2018-11-18 16:25:47,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 16:25:47,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 1607 transitions. [2018-11-18 16:25:47,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2018-11-18 16:25:47,976 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:25:47,977 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2018-11-18 16:25:47,977 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:25:47,977 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:25:47,977 INFO L82 PathProgramCache]: Analyzing trace with hash 994972128, now seen corresponding path program 1 times [2018-11-18 16:25:47,978 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:25:47,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:47,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:25:47,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:47,978 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:25:47,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:25:48,174 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 119 proven. 16 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2018-11-18 16:25:48,175 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:25:48,175 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:25:48,175 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 427 with the following transitions: [2018-11-18 16:25:48,175 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [48], [51], [53], [59], [63], [66], [67], [68], [69], [71], [76], [78], [79], [80], [84], [86], [87], [88], [89], [90], [93], [94], [95], [96], [99], [101], [104], [107], [111], [114], [115], [116], [120], [126], [130], [134], [137], [140], [142], [148], [150], [156], [161], [169], [170], [171], [172], [173], [174], [175], [177], [182], [185], [186], [187], [188], [190], [193], [195], [197], [198], [233], [234], [238], [241], [245], [251], [254], [258], [259], [265], [268], [270], [273], [276], [280], [283], [286], [290], [291], [294], [295], [296], [297], [298], [299], [300], [302], [303], [304], [305], [306], [307], [308], [309], [310], [312], [313], [316], [317], [318], [319], [320], [321], [322], [323], [324], [326], [327], [328], [329], [330], [331], [332], [333], [334], [335], [336], [337], [342], [343], [346], [347], [348], [349], [350], [351], [356], [357], [358], [359], [360], [361], [362], [363], [364], [365], [366], [368], [369], [370], [371], [372], [373], [374], [375] [2018-11-18 16:25:48,179 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:25:48,179 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:25:51,644 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 16:25:51,644 INFO L272 AbstractInterpreter]: Visited 160 different actions 2477 times. Merged at 39 different actions 542 times. Widened at 1 different actions 3 times. Performed 88107 root evaluator evaluations with a maximum evaluation depth of 5. Performed 88107 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 98 fixpoints after 8 different actions. Largest state had 135 variables. [2018-11-18 16:25:51,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:25:51,657 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 16:25:51,657 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:25:51,657 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9ba146b9-339d-4d4b-a484-07720216315b/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 16:25:51,665 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:25:51,666 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 16:25:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:25:51,782 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:25:51,863 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 336 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2018-11-18 16:25:51,863 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 16:25:52,191 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 119 proven. 16 refuted. 0 times theorem prover too weak. 501 trivial. 0 not checked. [2018-11-18 16:25:52,216 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 16:25:52,216 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-11-18 16:25:52,216 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:25:52,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:25:52,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:25:52,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-18 16:25:52,217 INFO L87 Difference]: Start difference. First operand 1413 states and 1607 transitions. Second operand 6 states. [2018-11-18 16:25:52,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:25:52,260 INFO L93 Difference]: Finished difference Result 1729 states and 1956 transitions. [2018-11-18 16:25:52,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:25:52,261 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 426 [2018-11-18 16:25:52,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:25:52,261 INFO L225 Difference]: With dead ends: 1729 [2018-11-18 16:25:52,261 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 16:25:52,264 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 863 GetRequests, 847 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-11-18 16:25:52,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 16:25:52,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 16:25:52,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 16:25:52,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 16:25:52,265 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 426 [2018-11-18 16:25:52,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:25:52,265 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 16:25:52,265 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:25:52,265 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 16:25:52,265 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:25:52,269 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 16:25:52,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:25:52,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:25:52,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:25:52,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:25:52,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:25:52,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:25:52,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:25:52,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:25:52,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:25:52,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:25:52,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:25:52,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:25:52,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:25:52,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:25:52,519 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:25:52,528 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:25:52,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:25:52,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:25:52,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:25:52,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:25:52,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:25:52,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:25:52,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:25:52,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:25:52,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:25:52,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:25:52,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 16:25:52,995 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 27 [2018-11-18 16:25:53,833 WARN L180 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 40 [2018-11-18 16:25:54,305 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 28 [2018-11-18 16:25:54,476 WARN L180 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 22 [2018-11-18 16:25:54,621 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 27 [2018-11-18 16:25:55,009 WARN L180 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2018-11-18 16:25:55,124 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 24 [2018-11-18 16:25:55,229 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 27 [2018-11-18 16:25:56,054 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2018-11-18 16:25:56,138 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 1021 1027) the Hoare annotation is: true [2018-11-18 16:25:56,138 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 1021 1027) no Hoare annotation was computed. [2018-11-18 16:25:56,139 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 1028 1036) no Hoare annotation was computed. [2018-11-18 16:25:56,139 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 1028 1036) the Hoare annotation is: true [2018-11-18 16:25:56,139 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 1028 1036) no Hoare annotation was computed. [2018-11-18 16:25:56,139 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 307 314) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-11-18 16:25:56,139 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 307 314) no Hoare annotation was computed. [2018-11-18 16:25:56,139 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 307 314) no Hoare annotation was computed. [2018-11-18 16:25:56,139 INFO L425 ceAbstractionStarter]: For program point L320(line 320) no Hoare annotation was computed. [2018-11-18 16:25:56,139 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 315 324) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 1)))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) .cse2))) [2018-11-18 16:25:56,139 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 315 324) no Hoare annotation was computed. [2018-11-18 16:25:56,139 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 315 324) no Hoare annotation was computed. [2018-11-18 16:25:56,139 INFO L421 ceAbstractionStarter]: At program point L340(line 340) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1))) [2018-11-18 16:25:56,139 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 344) no Hoare annotation was computed. [2018-11-18 16:25:56,139 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 347) no Hoare annotation was computed. [2018-11-18 16:25:56,139 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 325 353) the Hoare annotation is: true [2018-11-18 16:25:56,139 INFO L421 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse4 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (<= __utac_acc__Specification5_spec__3_~tmp~6 ~waterLevel~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~waterLevel~0 1)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse4 .cse5) (or .cse2 .cse0 .cse4 .cse1) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse3 .cse0 .cse5))) [2018-11-18 16:25:56,140 INFO L425 ceAbstractionStarter]: For program point L335-1(line 335) no Hoare annotation was computed. [2018-11-18 16:25:56,140 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 350) no Hoare annotation was computed. [2018-11-18 16:25:56,140 INFO L425 ceAbstractionStarter]: For program point L333-1(lines 325 353) no Hoare annotation was computed. [2018-11-18 16:25:56,140 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 325 353) no Hoare annotation was computed. [2018-11-18 16:25:56,140 INFO L428 ceAbstractionStarter]: At program point L331(line 331) the Hoare annotation is: true [2018-11-18 16:25:56,140 INFO L425 ceAbstractionStarter]: For program point L331-1(line 331) no Hoare annotation was computed. [2018-11-18 16:25:56,140 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 970 992) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:25:56,140 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 970 992) no Hoare annotation was computed. [2018-11-18 16:25:56,140 INFO L421 ceAbstractionStarter]: At program point L982(line 982) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~11 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:25:56,140 INFO L421 ceAbstractionStarter]: At program point L982-1(line 982) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~11 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:25:56,140 INFO L425 ceAbstractionStarter]: For program point L980(lines 980 987) no Hoare annotation was computed. [2018-11-18 16:25:56,140 INFO L425 ceAbstractionStarter]: For program point L980-1(lines 980 987) no Hoare annotation was computed. [2018-11-18 16:25:56,140 INFO L425 ceAbstractionStarter]: For program point L978(line 978) no Hoare annotation was computed. [2018-11-18 16:25:56,141 INFO L421 ceAbstractionStarter]: At program point L977(line 977) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:25:56,141 INFO L421 ceAbstractionStarter]: At program point L976(line 976) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:25:56,141 INFO L421 ceAbstractionStarter]: At program point L976-1(line 976) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:25:56,141 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 970 992) no Hoare annotation was computed. [2018-11-18 16:25:56,141 INFO L421 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3 (and (<= 1 processEnvironment__wrappee__methaneQuery_~tmp~1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-11-18 16:25:56,141 INFO L425 ceAbstractionStarter]: For program point L125(lines 125 133) no Hoare annotation was computed. [2018-11-18 16:25:56,141 INFO L421 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-18 16:25:56,141 INFO L425 ceAbstractionStarter]: For program point L123-1(line 123) no Hoare annotation was computed. [2018-11-18 16:25:56,141 INFO L425 ceAbstractionStarter]: For program point L121(lines 121 138) no Hoare annotation was computed. [2018-11-18 16:25:56,141 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 117 141) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-11-18 16:25:56,142 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 117 141) no Hoare annotation was computed. [2018-11-18 16:25:56,142 INFO L421 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-11-18 16:25:56,142 INFO L425 ceAbstractionStarter]: For program point L136-1(lines 117 141) no Hoare annotation was computed. [2018-11-18 16:25:56,142 INFO L421 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-18 16:25:56,142 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 212 220) no Hoare annotation was computed. [2018-11-18 16:25:56,142 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 212 220) the Hoare annotation is: true [2018-11-18 16:25:56,142 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 212 220) no Hoare annotation was computed. [2018-11-18 16:25:56,142 INFO L425 ceAbstractionStarter]: For program point L285(lines 285 289) no Hoare annotation was computed. [2018-11-18 16:25:56,142 INFO L428 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: true [2018-11-18 16:25:56,142 INFO L425 ceAbstractionStarter]: For program point L285-2(lines 285 289) no Hoare annotation was computed. [2018-11-18 16:25:56,142 INFO L425 ceAbstractionStarter]: For program point L283-1(line 283) no Hoare annotation was computed. [2018-11-18 16:25:56,143 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 276 294) the Hoare annotation is: true [2018-11-18 16:25:56,143 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 276 294) no Hoare annotation was computed. [2018-11-18 16:25:56,143 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 276 294) no Hoare annotation was computed. [2018-11-18 16:25:56,143 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 1014 1020) no Hoare annotation was computed. [2018-11-18 16:25:56,143 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 1014 1020) the Hoare annotation is: true [2018-11-18 16:25:56,143 INFO L421 ceAbstractionStarter]: At program point L961(line 961) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:25:56,143 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 956 966) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:25:56,143 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 956 966) no Hoare annotation was computed. [2018-11-18 16:25:56,143 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 956 966) no Hoare annotation was computed. [2018-11-18 16:25:56,143 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 201 211) the Hoare annotation is: true [2018-11-18 16:25:56,143 INFO L428 ceAbstractionStarter]: At program point L206(line 206) the Hoare annotation is: true [2018-11-18 16:25:56,143 INFO L425 ceAbstractionStarter]: For program point L206-1(line 206) no Hoare annotation was computed. [2018-11-18 16:25:56,144 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 201 211) no Hoare annotation was computed. [2018-11-18 16:25:56,144 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 201 211) no Hoare annotation was computed. [2018-11-18 16:25:56,144 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 193 200) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) [2018-11-18 16:25:56,144 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 193 200) no Hoare annotation was computed. [2018-11-18 16:25:56,144 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 193 200) no Hoare annotation was computed. [2018-11-18 16:25:56,144 INFO L425 ceAbstractionStarter]: For program point L874(lines 874 880) no Hoare annotation was computed. [2018-11-18 16:25:56,144 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 870 883) no Hoare annotation was computed. [2018-11-18 16:25:56,144 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 870 883) the Hoare annotation is: true [2018-11-18 16:25:56,144 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 870 883) no Hoare annotation was computed. [2018-11-18 16:25:56,144 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 143 167) no Hoare annotation was computed. [2018-11-18 16:25:56,144 INFO L421 ceAbstractionStarter]: At program point L157(line 157) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-18 16:25:56,145 INFO L421 ceAbstractionStarter]: At program point L153(line 153) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-18 16:25:56,145 INFO L425 ceAbstractionStarter]: For program point L151(lines 151 159) no Hoare annotation was computed. [2018-11-18 16:25:56,145 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 143 167) no Hoare annotation was computed. [2018-11-18 16:25:56,145 INFO L421 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-18 16:25:56,145 INFO L425 ceAbstractionStarter]: For program point L149-1(line 149) no Hoare annotation was computed. [2018-11-18 16:25:56,145 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 143 167) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-11-18 16:25:56,145 INFO L425 ceAbstractionStarter]: For program point L147(lines 147 164) no Hoare annotation was computed. [2018-11-18 16:25:56,145 INFO L421 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-11-18 16:25:56,145 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 83 89) no Hoare annotation was computed. [2018-11-18 16:25:56,145 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 83 89) the Hoare annotation is: true [2018-11-18 16:25:56,146 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 358 423) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:25:56,146 INFO L421 ceAbstractionStarter]: At program point L413(lines 368 415) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse3 .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 16:25:56,146 INFO L421 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse3 (= 1 ~waterLevel~0) .cse1 .cse2))) [2018-11-18 16:25:56,146 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 384) no Hoare annotation was computed. [2018-11-18 16:25:56,146 INFO L425 ceAbstractionStarter]: For program point L378-1(lines 378 384) no Hoare annotation was computed. [2018-11-18 16:25:56,146 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 358 423) no Hoare annotation was computed. [2018-11-18 16:25:56,146 INFO L425 ceAbstractionStarter]: For program point L370(lines 370 374) no Hoare annotation was computed. [2018-11-18 16:25:56,146 INFO L425 ceAbstractionStarter]: For program point L368-1(lines 368 415) no Hoare annotation was computed. [2018-11-18 16:25:56,146 INFO L421 ceAbstractionStarter]: At program point L416(lines 367 417) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 16:25:56,146 INFO L425 ceAbstractionStarter]: For program point L406(lines 406 410) no Hoare annotation was computed. [2018-11-18 16:25:56,146 INFO L421 ceAbstractionStarter]: At program point L406-2(lines 398 411) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse3 .cse1 .cse2))) [2018-11-18 16:25:56,147 INFO L425 ceAbstractionStarter]: For program point L369(lines 368 415) no Hoare annotation was computed. [2018-11-18 16:25:56,147 INFO L421 ceAbstractionStarter]: At program point L400(line 400) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse3 .cse1 .cse2))) [2018-11-18 16:25:56,147 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 411) no Hoare annotation was computed. [2018-11-18 16:25:56,147 INFO L421 ceAbstractionStarter]: At program point L390(line 390) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse3 .cse1 .cse2))) [2018-11-18 16:25:56,147 INFO L425 ceAbstractionStarter]: For program point L388(lines 388 394) no Hoare annotation was computed. [2018-11-18 16:25:56,147 INFO L425 ceAbstractionStarter]: For program point L388-1(lines 388 394) no Hoare annotation was computed. [2018-11-18 16:25:56,147 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 358 423) no Hoare annotation was computed. [2018-11-18 16:25:56,147 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 168 175) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-18 16:25:56,147 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 168 175) no Hoare annotation was computed. [2018-11-18 16:25:56,147 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 168 175) no Hoare annotation was computed. [2018-11-18 16:25:56,147 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 884 892) no Hoare annotation was computed. [2018-11-18 16:25:56,148 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 884 892) the Hoare annotation is: true [2018-11-18 16:25:56,148 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 884 892) no Hoare annotation was computed. [2018-11-18 16:25:56,148 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:25:56,148 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 16:25:56,148 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:25:56,148 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 176 192) no Hoare annotation was computed. [2018-11-18 16:25:56,148 INFO L421 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-18 16:25:56,148 INFO L425 ceAbstractionStarter]: For program point L187-1(lines 176 192) no Hoare annotation was computed. [2018-11-18 16:25:56,148 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 176 192) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-18 16:25:56,148 INFO L425 ceAbstractionStarter]: For program point L183(lines 183 189) no Hoare annotation was computed. [2018-11-18 16:25:56,148 INFO L421 ceAbstractionStarter]: At program point L181(line 181) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-18 16:25:56,148 INFO L425 ceAbstractionStarter]: For program point L181-1(line 181) no Hoare annotation was computed. [2018-11-18 16:25:56,148 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 861 869) the Hoare annotation is: true [2018-11-18 16:25:56,149 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 861 869) no Hoare annotation was computed. [2018-11-18 16:25:56,149 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 861 869) no Hoare annotation was computed. [2018-11-18 16:25:56,149 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 257 275) no Hoare annotation was computed. [2018-11-18 16:25:56,149 INFO L425 ceAbstractionStarter]: For program point L266(lines 266 270) no Hoare annotation was computed. [2018-11-18 16:25:56,149 INFO L428 ceAbstractionStarter]: At program point L264(line 264) the Hoare annotation is: true [2018-11-18 16:25:56,149 INFO L425 ceAbstractionStarter]: For program point L266-2(lines 266 270) no Hoare annotation was computed. [2018-11-18 16:25:56,149 INFO L425 ceAbstractionStarter]: For program point L264-1(line 264) no Hoare annotation was computed. [2018-11-18 16:25:56,149 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 257 275) the Hoare annotation is: true [2018-11-18 16:25:56,149 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 257 275) no Hoare annotation was computed. [2018-11-18 16:25:56,149 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 817 828) the Hoare annotation is: true [2018-11-18 16:25:56,149 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 817 828) no Hoare annotation was computed. [2018-11-18 16:25:56,149 INFO L425 ceAbstractionStarter]: For program point L821-1(lines 817 828) no Hoare annotation was computed. [2018-11-18 16:25:56,149 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 895 924) no Hoare annotation was computed. [2018-11-18 16:25:56,150 INFO L425 ceAbstractionStarter]: For program point L909(lines 909 913) no Hoare annotation was computed. [2018-11-18 16:25:56,150 INFO L428 ceAbstractionStarter]: At program point L909-1(lines 909 913) the Hoare annotation is: true [2018-11-18 16:25:56,150 INFO L425 ceAbstractionStarter]: For program point L905-1(lines 905 919) no Hoare annotation was computed. [2018-11-18 16:25:56,150 INFO L428 ceAbstractionStarter]: At program point L905-3(lines 905 919) the Hoare annotation is: true [2018-11-18 16:25:56,150 INFO L428 ceAbstractionStarter]: At program point L901(line 901) the Hoare annotation is: true [2018-11-18 16:25:56,150 INFO L425 ceAbstractionStarter]: For program point L901-1(line 901) no Hoare annotation was computed. [2018-11-18 16:25:56,150 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 895 924) the Hoare annotation is: true [2018-11-18 16:25:56,150 INFO L428 ceAbstractionStarter]: At program point L920(lines 895 924) the Hoare annotation is: true [2018-11-18 16:25:56,150 INFO L425 ceAbstractionStarter]: For program point L916(line 916) no Hoare annotation was computed. [2018-11-18 16:25:56,150 INFO L425 ceAbstractionStarter]: For program point L906(line 906) no Hoare annotation was computed. [2018-11-18 16:25:56,150 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 829 837) the Hoare annotation is: true [2018-11-18 16:25:56,150 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 829 837) no Hoare annotation was computed. [2018-11-18 16:25:56,150 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 829 837) no Hoare annotation was computed. [2018-11-18 16:25:56,151 INFO L421 ceAbstractionStarter]: At program point L65(line 65) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-11-18 16:25:56,151 INFO L425 ceAbstractionStarter]: For program point L63(lines 59 81) no Hoare annotation was computed. [2018-11-18 16:25:56,151 INFO L425 ceAbstractionStarter]: For program point L61(lines 59 81) no Hoare annotation was computed. [2018-11-18 16:25:56,151 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 56 82) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse3)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1 .cse2) (and (= 2 ~waterLevel~0) .cse3)) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse4) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) .cse5) (or .cse0 .cse1 .cse5 .cse4) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse4)))) [2018-11-18 16:25:56,151 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 56 82) no Hoare annotation was computed. [2018-11-18 16:25:56,151 INFO L421 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse4 .cse5)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse3 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= 1 ~waterLevel~0) .cse4 .cse5) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))))))) [2018-11-18 16:25:56,151 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 56 82) no Hoare annotation was computed. [2018-11-18 16:25:56,151 INFO L421 ceAbstractionStarter]: At program point L70(lines 70 76) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse1 (and .cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (<= 1 ~switchedOnBeforeTS~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (or (or .cse2 .cse3) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse2 .cse3) .cse1 (and (= ~pumpRunning~0 1) .cse4))))) [2018-11-18 16:25:56,151 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 793 804) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-18 16:25:56,152 INFO L425 ceAbstractionStarter]: For program point L797-1(lines 793 804) no Hoare annotation was computed. [2018-11-18 16:25:56,152 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 793 804) no Hoare annotation was computed. [2018-11-18 16:25:56,152 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 949 955) no Hoare annotation was computed. [2018-11-18 16:25:56,152 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 949 955) the Hoare annotation is: true [2018-11-18 16:25:56,152 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:25:56,152 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-18 16:25:56,152 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:25:56,152 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:25:56,152 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 295 302) no Hoare annotation was computed. [2018-11-18 16:25:56,152 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 295 302) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse2 (not (= ~waterLevel~0 2))) (.cse3 (= ~systemActive~0 1))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse1 .cse3 (not (= ~waterLevel~0 1))) (or (or (or .cse1 .cse2) (not (= 1 ~pumpRunning~0))) .cse3))) [2018-11-18 16:25:56,152 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 295 302) no Hoare annotation was computed. [2018-11-18 16:25:56,152 INFO L421 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-11-18 16:25:56,153 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 91 115) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-11-18 16:25:56,153 INFO L425 ceAbstractionStarter]: For program point L97-1(line 97) no Hoare annotation was computed. [2018-11-18 16:25:56,153 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 112) no Hoare annotation was computed. [2018-11-18 16:25:56,153 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 91 115) no Hoare annotation was computed. [2018-11-18 16:25:56,153 INFO L421 ceAbstractionStarter]: At program point L110(line 110) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 16:25:56,153 INFO L425 ceAbstractionStarter]: For program point L110-1(lines 91 115) no Hoare annotation was computed. [2018-11-18 16:25:56,153 INFO L421 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse1 .cse3 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 16:25:56,153 INFO L421 ceAbstractionStarter]: At program point L101(line 101) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))))))) [2018-11-18 16:25:56,153 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 107) no Hoare annotation was computed. [2018-11-18 16:25:56,153 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 805 816) no Hoare annotation was computed. [2018-11-18 16:25:56,154 INFO L425 ceAbstractionStarter]: For program point L809-1(lines 805 816) no Hoare annotation was computed. [2018-11-18 16:25:56,154 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 805 816) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or (or .cse3 .cse1) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse2 .cse0) (or (= 1 ~waterLevel~0) (or .cse3 .cse1 (not (= |old(~waterLevel~0)| 1)))))) [2018-11-18 16:25:56,154 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 994 1001) no Hoare annotation was computed. [2018-11-18 16:25:56,154 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 994 1001) the Hoare annotation is: true [2018-11-18 16:25:56,154 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 998) no Hoare annotation was computed. [2018-11-18 16:25:56,154 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 994 1001) no Hoare annotation was computed. [2018-11-18 16:25:56,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:25:56 BoogieIcfgContainer [2018-11-18 16:25:56,167 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:25:56,168 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:25:56,168 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:25:56,168 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:25:56,169 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:25:35" (3/4) ... [2018-11-18 16:25:56,172 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:25:56,177 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 16:25:56,177 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 16:25:56,177 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-18 16:25:56,177 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-18 16:25:56,177 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-18 16:25:56,177 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 16:25:56,177 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 16:25:56,177 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 16:25:56,177 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 16:25:56,177 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 16:25:56,177 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 16:25:56,178 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 16:25:56,178 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 16:25:56,178 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 16:25:56,178 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 16:25:56,178 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 16:25:56,178 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 16:25:56,178 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-18 16:25:56,178 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 16:25:56,178 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 16:25:56,178 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 16:25:56,178 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 16:25:56,178 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 16:25:56,178 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 16:25:56,178 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 16:25:56,179 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 16:25:56,179 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 16:25:56,179 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 16:25:56,179 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 16:25:56,179 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 16:25:56,179 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 16:25:56,179 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 16:25:56,179 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 16:25:56,186 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2018-11-18 16:25:56,186 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 16:25:56,187 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 16:25:56,211 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-11-18 16:25:56,212 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 16:25:56,249 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9ba146b9-339d-4d4b-a484-07720216315b/bin-2019/utaipan/witness.graphml [2018-11-18 16:25:56,249 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:25:56,250 INFO L168 Benchmark]: Toolchain (without parser) took 21461.59 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.4 GB). Free memory was 956.6 MB in the beginning and 1.3 GB in the end (delta: -339.2 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-11-18 16:25:56,251 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:25:56,251 INFO L168 Benchmark]: CACSL2BoogieTranslator took 388.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -161.1 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 16:25:56,251 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:25:56,251 INFO L168 Benchmark]: Boogie Preprocessor took 31.31 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:25:56,251 INFO L168 Benchmark]: RCFGBuilder took 492.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.4 MB). Peak memory consumption was 66.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:25:56,252 INFO L168 Benchmark]: TraceAbstraction took 20435.57 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -279.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-18 16:25:56,252 INFO L168 Benchmark]: Witness Printer took 81.51 ms. Allocated memory is still 2.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. [2018-11-18 16:25:56,253 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 388.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -161.1 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.02 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 31.31 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 492.86 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 66.4 MB). Peak memory consumption was 66.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20435.57 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -279.1 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 81.51 ms. Allocated memory is still 2.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 998]: 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: 367]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 895]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 368]: Loop Invariant Derived loop invariant: (((((((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 34 procedures, 182 locations, 1 error locations. SAFE Result, 20.3s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 5.6s AutomataDifference, 0.0s DeadEndRemovalTime, 3.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2740 SDtfs, 3032 SDslu, 7635 SDs, 0 SdLazy, 6154 SolverSat, 1711 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2110 GetRequests, 1942 SyntacticMatches, 21 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1413occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.7s AbstIntTime, 3 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 405 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 74 LocationsWithAnnotation, 2288 PreInvPairs, 2370 NumberOfFragments, 2121 HoareAnnotationTreeSize, 2288 FomulaSimplifications, 12349 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 74 FomulaSimplificationsInter, 15954 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 2744 NumberOfCodeBlocks, 2744 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3684 ConstructedInterpolants, 0 QuantifiedInterpolants, 1390892 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3672 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 18 InterpolantComputations, 10 PerfectInterpolantSequences, 2993/3105 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...