./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product53_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_73dc1755-0b9f-4bf4-96e9-14fe7ac47fcf/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_73dc1755-0b9f-4bf4-96e9-14fe7ac47fcf/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_73dc1755-0b9f-4bf4-96e9-14fe7ac47fcf/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_73dc1755-0b9f-4bf4-96e9-14fe7ac47fcf/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product53_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_73dc1755-0b9f-4bf4-96e9-14fe7ac47fcf/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_73dc1755-0b9f-4bf4-96e9-14fe7ac47fcf/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 bf8906b0b730189db64c3dc46780e4460503fe36 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:36:50,201 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:36:50,203 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:36:50,220 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:36:50,221 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:36:50,221 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:36:50,223 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:36:50,225 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:36:50,226 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:36:50,227 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:36:50,228 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:36:50,229 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:36:50,229 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:36:50,230 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:36:50,231 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:36:50,233 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:36:50,233 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:36:50,235 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:36:50,237 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:36:50,238 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:36:50,239 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:36:50,241 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:36:50,243 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:36:50,243 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:36:50,243 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:36:50,245 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:36:50,246 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:36:50,246 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:36:50,247 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:36:50,249 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:36:50,249 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:36:50,250 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:36:50,250 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:36:50,250 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:36:50,251 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:36:50,251 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:36:50,253 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_73dc1755-0b9f-4bf4-96e9-14fe7ac47fcf/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 22:36:50,265 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:36:50,266 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:36:50,266 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:36:50,266 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 22:36:50,267 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 22:36:50,267 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 22:36:50,267 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 22:36:50,267 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 22:36:50,267 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 22:36:50,267 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 22:36:50,268 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 22:36:50,268 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:36:50,268 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:36:50,269 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:36:50,269 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:36:50,269 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:36:50,269 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:36:50,269 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:36:50,269 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:36:50,270 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:36:50,270 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:36:50,270 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:36:50,270 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:36:50,270 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:36:50,270 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:36:50,271 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:36:50,271 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:36:50,271 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:36:50,271 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:36:50,271 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:36:50,271 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 22:36:50,272 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:36:50,276 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:36:50,276 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 22:36:50,276 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_73dc1755-0b9f-4bf4-96e9-14fe7ac47fcf/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 -> bf8906b0b730189db64c3dc46780e4460503fe36 [2018-10-26 22:36:50,319 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:36:50,333 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:36:50,337 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:36:50,338 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:36:50,339 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:36:50,339 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_73dc1755-0b9f-4bf4-96e9-14fe7ac47fcf/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product53_true-unreach-call_false-termination.cil.c [2018-10-26 22:36:50,389 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_73dc1755-0b9f-4bf4-96e9-14fe7ac47fcf/bin-2019/utaipan/data/4aef6b03c/7ec09c957f164e478051d4db4b519c09/FLAG101ab172f [2018-10-26 22:36:50,828 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:36:50,829 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_73dc1755-0b9f-4bf4-96e9-14fe7ac47fcf/sv-benchmarks/c/product-lines/minepump_spec3_product53_true-unreach-call_false-termination.cil.c [2018-10-26 22:36:50,840 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_73dc1755-0b9f-4bf4-96e9-14fe7ac47fcf/bin-2019/utaipan/data/4aef6b03c/7ec09c957f164e478051d4db4b519c09/FLAG101ab172f [2018-10-26 22:36:50,854 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_73dc1755-0b9f-4bf4-96e9-14fe7ac47fcf/bin-2019/utaipan/data/4aef6b03c/7ec09c957f164e478051d4db4b519c09 [2018-10-26 22:36:50,857 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:36:50,858 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:36:50,859 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:36:50,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:36:50,863 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:36:50,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:36:50" (1/1) ... [2018-10-26 22:36:50,866 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@332a80f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:36:50, skipping insertion in model container [2018-10-26 22:36:50,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:36:50" (1/1) ... [2018-10-26 22:36:50,875 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:36:50,914 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:36:51,167 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:36:51,176 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:36:51,238 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:36:51,266 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:36:51,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:36:51 WrapperNode [2018-10-26 22:36:51,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:36:51,267 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:36:51,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:36:51,268 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:36:51,282 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:36:51" (1/1) ... [2018-10-26 22:36:51,378 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:36:51" (1/1) ... [2018-10-26 22:36:51,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:36:51,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:36:51,435 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:36:51,435 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:36:51,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:36:51" (1/1) ... [2018-10-26 22:36:51,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:36:51" (1/1) ... [2018-10-26 22:36:51,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:36:51" (1/1) ... [2018-10-26 22:36:51,463 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:36:51" (1/1) ... [2018-10-26 22:36:51,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:36:51" (1/1) ... [2018-10-26 22:36:51,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:36:51" (1/1) ... [2018-10-26 22:36:51,498 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:36:51" (1/1) ... [2018-10-26 22:36:51,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:36:51,512 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:36:51,512 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:36:51,512 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:36:51,513 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:36:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_73dc1755-0b9f-4bf4-96e9-14fe7ac47fcf/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 [2018-10-26 22:36:51,580 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-10-26 22:36:51,580 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-10-26 22:36:51,580 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:36:51,580 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:36:51,580 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-10-26 22:36:51,580 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-10-26 22:36:51,580 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-10-26 22:36:51,581 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-10-26 22:36:51,581 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-10-26 22:36:51,581 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-10-26 22:36:51,581 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-10-26 22:36:51,581 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-10-26 22:36:51,581 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 22:36:51,581 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 22:36:51,581 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-10-26 22:36:51,581 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-10-26 22:36:51,582 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-10-26 22:36:51,582 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-10-26 22:36:51,582 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-10-26 22:36:51,582 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-10-26 22:36:51,582 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-10-26 22:36:51,582 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-10-26 22:36:51,582 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-10-26 22:36:51,582 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-10-26 22:36:51,582 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 22:36:51,583 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 22:36:51,583 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 22:36:51,583 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 22:36:51,583 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 22:36:51,583 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 22:36:51,583 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-10-26 22:36:51,583 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-10-26 22:36:51,583 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-10-26 22:36:51,583 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-10-26 22:36:51,583 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 22:36:51,584 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 22:36:51,584 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-10-26 22:36:51,584 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-10-26 22:36:51,584 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-10-26 22:36:51,584 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-10-26 22:36:51,584 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-10-26 22:36:51,584 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-10-26 22:36:51,584 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-10-26 22:36:51,584 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-10-26 22:36:51,585 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-10-26 22:36:51,585 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-10-26 22:36:51,585 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-10-26 22:36:51,585 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-10-26 22:36:51,585 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 22:36:51,585 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 22:36:51,585 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:36:51,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:36:51,585 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 22:36:51,586 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 22:36:51,586 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-10-26 22:36:51,586 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-10-26 22:36:51,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:36:51,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:36:51,586 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-10-26 22:36:51,586 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-10-26 22:36:52,734 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:36:52,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:36:52 BoogieIcfgContainer [2018-10-26 22:36:52,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:36:52,735 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:36:52,735 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:36:52,738 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:36:52,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:36:50" (1/3) ... [2018-10-26 22:36:52,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c62a3a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:36:52, skipping insertion in model container [2018-10-26 22:36:52,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:36:51" (2/3) ... [2018-10-26 22:36:52,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c62a3a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:36:52, skipping insertion in model container [2018-10-26 22:36:52,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:36:52" (3/3) ... [2018-10-26 22:36:52,742 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product53_true-unreach-call_false-termination.cil.c [2018-10-26 22:36:52,750 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:36:52,759 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:36:52,775 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:36:52,806 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:36:52,806 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:36:52,807 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:36:52,807 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:36:52,807 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:36:52,808 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:36:52,808 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:36:52,808 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:36:52,828 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2018-10-26 22:36:52,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-26 22:36:52,838 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:36:52,838 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:36:52,841 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:36:52,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:36:52,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1751112091, now seen corresponding path program 1 times [2018-10-26 22:36:52,849 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:36:52,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:36:52,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:36:52,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:36:52,897 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:36:52,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:53,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:36:53,118 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:36:53,118 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 22:36:53,118 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:36:53,124 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 22:36:53,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 22:36:53,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 22:36:53,138 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 2 states. [2018-10-26 22:36:53,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:36:53,173 INFO L93 Difference]: Finished difference Result 302 states and 375 transitions. [2018-10-26 22:36:53,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 22:36:53,174 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-10-26 22:36:53,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:36:53,186 INFO L225 Difference]: With dead ends: 302 [2018-10-26 22:36:53,187 INFO L226 Difference]: Without dead ends: 151 [2018-10-26 22:36:53,191 INFO L605 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 [2018-10-26 22:36:53,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-10-26 22:36:53,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-10-26 22:36:53,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-10-26 22:36:53,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 179 transitions. [2018-10-26 22:36:53,240 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 179 transitions. Word has length 52 [2018-10-26 22:36:53,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:36:53,241 INFO L481 AbstractCegarLoop]: Abstraction has 151 states and 179 transitions. [2018-10-26 22:36:53,241 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 22:36:53,241 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 179 transitions. [2018-10-26 22:36:53,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-10-26 22:36:53,245 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:36:53,245 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:36:53,245 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:36:53,245 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:36:53,245 INFO L82 PathProgramCache]: Analyzing trace with hash 84688129, now seen corresponding path program 1 times [2018-10-26 22:36:53,246 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:36:53,247 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:36:53,247 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:36:53,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:36:53,248 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:36:53,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:53,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:36:53,379 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:36:53,387 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:36:53,387 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:36:53,389 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 22:36:53,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 22:36:53,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:36:53,390 INFO L87 Difference]: Start difference. First operand 151 states and 179 transitions. Second operand 3 states. [2018-10-26 22:36:53,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:36:53,417 INFO L93 Difference]: Finished difference Result 249 states and 295 transitions. [2018-10-26 22:36:53,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 22:36:53,418 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-10-26 22:36:53,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:36:53,420 INFO L225 Difference]: With dead ends: 249 [2018-10-26 22:36:53,421 INFO L226 Difference]: Without dead ends: 141 [2018-10-26 22:36:53,422 INFO L605 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 [2018-10-26 22:36:53,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-10-26 22:36:53,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-10-26 22:36:53,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-10-26 22:36:53,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 166 transitions. [2018-10-26 22:36:53,438 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 166 transitions. Word has length 54 [2018-10-26 22:36:53,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:36:53,438 INFO L481 AbstractCegarLoop]: Abstraction has 141 states and 166 transitions. [2018-10-26 22:36:53,438 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 22:36:53,438 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 166 transitions. [2018-10-26 22:36:53,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-10-26 22:36:53,441 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:36:53,442 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:36:53,442 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:36:53,442 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:36:53,442 INFO L82 PathProgramCache]: Analyzing trace with hash -2086699400, now seen corresponding path program 1 times [2018-10-26 22:36:53,442 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:36:53,443 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:36:53,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:36:53,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:36:53,445 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:36:53,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:53,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:36:53,634 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:36:53,635 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 22:36:53,635 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:36:53,635 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 22:36:53,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 22:36:53,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:36:53,637 INFO L87 Difference]: Start difference. First operand 141 states and 166 transitions. Second operand 7 states. [2018-10-26 22:36:54,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:36:54,196 INFO L93 Difference]: Finished difference Result 258 states and 309 transitions. [2018-10-26 22:36:54,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 22:36:54,197 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-10-26 22:36:54,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:36:54,198 INFO L225 Difference]: With dead ends: 258 [2018-10-26 22:36:54,199 INFO L226 Difference]: Without dead ends: 141 [2018-10-26 22:36:54,199 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-26 22:36:54,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-10-26 22:36:54,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-10-26 22:36:54,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-10-26 22:36:54,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 165 transitions. [2018-10-26 22:36:54,215 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 165 transitions. Word has length 58 [2018-10-26 22:36:54,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:36:54,216 INFO L481 AbstractCegarLoop]: Abstraction has 141 states and 165 transitions. [2018-10-26 22:36:54,216 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 22:36:54,216 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 165 transitions. [2018-10-26 22:36:54,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-10-26 22:36:54,226 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:36:54,226 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:36:54,226 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:36:54,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:36:54,227 INFO L82 PathProgramCache]: Analyzing trace with hash 995584250, now seen corresponding path program 1 times [2018-10-26 22:36:54,227 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:36:54,230 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:36:54,230 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:36:54,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:36:54,231 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:36:54,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:54,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:36:54,505 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:36:54,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 22:36:54,506 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:36:54,506 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 22:36:54,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 22:36:54,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 22:36:54,507 INFO L87 Difference]: Start difference. First operand 141 states and 165 transitions. Second operand 5 states. [2018-10-26 22:36:55,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:36:55,655 INFO L93 Difference]: Finished difference Result 374 states and 453 transitions. [2018-10-26 22:36:55,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 22:36:55,656 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2018-10-26 22:36:55,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:36:55,657 INFO L225 Difference]: With dead ends: 374 [2018-10-26 22:36:55,657 INFO L226 Difference]: Without dead ends: 257 [2018-10-26 22:36:55,658 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-26 22:36:55,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-10-26 22:36:55,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 238. [2018-10-26 22:36:55,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 238 states. [2018-10-26 22:36:55,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 271 transitions. [2018-10-26 22:36:55,687 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 271 transitions. Word has length 76 [2018-10-26 22:36:55,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:36:55,687 INFO L481 AbstractCegarLoop]: Abstraction has 238 states and 271 transitions. [2018-10-26 22:36:55,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 22:36:55,687 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 271 transitions. [2018-10-26 22:36:55,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-10-26 22:36:55,693 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:36:55,693 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:36:55,693 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:36:55,693 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:36:55,693 INFO L82 PathProgramCache]: Analyzing trace with hash 1885502635, now seen corresponding path program 1 times [2018-10-26 22:36:55,694 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:36:55,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:36:55,694 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:36:55,694 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:36:55,695 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:36:55,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:56,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:36:56,097 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:36:56,097 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 22:36:56,097 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:36:56,098 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:36:56,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:36:56,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:36:56,098 INFO L87 Difference]: Start difference. First operand 238 states and 271 transitions. Second operand 6 states. [2018-10-26 22:36:56,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:36:56,264 INFO L93 Difference]: Finished difference Result 573 states and 686 transitions. [2018-10-26 22:36:56,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-26 22:36:56,266 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2018-10-26 22:36:56,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:36:56,270 INFO L225 Difference]: With dead ends: 573 [2018-10-26 22:36:56,270 INFO L226 Difference]: Without dead ends: 359 [2018-10-26 22:36:56,272 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-26 22:36:56,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2018-10-26 22:36:56,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 355. [2018-10-26 22:36:56,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2018-10-26 22:36:56,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 410 transitions. [2018-10-26 22:36:56,318 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 410 transitions. Word has length 90 [2018-10-26 22:36:56,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:36:56,319 INFO L481 AbstractCegarLoop]: Abstraction has 355 states and 410 transitions. [2018-10-26 22:36:56,319 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:36:56,319 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 410 transitions. [2018-10-26 22:36:56,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-26 22:36:56,330 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:36:56,330 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:36:56,330 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:36:56,330 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:36:56,331 INFO L82 PathProgramCache]: Analyzing trace with hash -1119225071, now seen corresponding path program 1 times [2018-10-26 22:36:56,331 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:36:56,331 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:36:56,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:36:56,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:36:56,332 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:36:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:56,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:36:56,482 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:36:56,482 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 22:36:56,482 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:36:56,483 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:36:56,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:36:56,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:36:56,484 INFO L87 Difference]: Start difference. First operand 355 states and 410 transitions. Second operand 6 states. [2018-10-26 22:36:56,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:36:56,882 INFO L93 Difference]: Finished difference Result 778 states and 935 transitions. [2018-10-26 22:36:56,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 22:36:56,883 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2018-10-26 22:36:56,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:36:56,887 INFO L225 Difference]: With dead ends: 778 [2018-10-26 22:36:56,887 INFO L226 Difference]: Without dead ends: 564 [2018-10-26 22:36:56,889 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-26 22:36:56,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2018-10-26 22:36:56,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 546. [2018-10-26 22:36:56,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 546 states. [2018-10-26 22:36:56,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 546 states to 546 states and 646 transitions. [2018-10-26 22:36:56,948 INFO L78 Accepts]: Start accepts. Automaton has 546 states and 646 transitions. Word has length 94 [2018-10-26 22:36:56,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:36:56,949 INFO L481 AbstractCegarLoop]: Abstraction has 546 states and 646 transitions. [2018-10-26 22:36:56,949 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:36:56,949 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 646 transitions. [2018-10-26 22:36:56,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-26 22:36:56,952 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:36:56,952 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:36:56,952 INFO L424 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:36:56,952 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:36:56,953 INFO L82 PathProgramCache]: Analyzing trace with hash 1240081938, now seen corresponding path program 1 times [2018-10-26 22:36:56,953 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:36:56,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:36:56,954 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:36:56,954 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:36:56,954 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:36:56,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:57,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:36:57,261 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:36:57,261 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 22:36:57,261 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:36:57,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 22:36:57,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 22:36:57,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 22:36:57,262 INFO L87 Difference]: Start difference. First operand 546 states and 646 transitions. Second operand 5 states. [2018-10-26 22:36:57,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:36:57,441 INFO L93 Difference]: Finished difference Result 961 states and 1163 transitions. [2018-10-26 22:36:57,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 22:36:57,443 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 94 [2018-10-26 22:36:57,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:36:57,446 INFO L225 Difference]: With dead ends: 961 [2018-10-26 22:36:57,449 INFO L226 Difference]: Without dead ends: 556 [2018-10-26 22:36:57,451 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 22:36:57,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2018-10-26 22:36:57,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 550. [2018-10-26 22:36:57,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 550 states. [2018-10-26 22:36:57,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 550 states and 649 transitions. [2018-10-26 22:36:57,496 INFO L78 Accepts]: Start accepts. Automaton has 550 states and 649 transitions. Word has length 94 [2018-10-26 22:36:57,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:36:57,496 INFO L481 AbstractCegarLoop]: Abstraction has 550 states and 649 transitions. [2018-10-26 22:36:57,497 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 22:36:57,497 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 649 transitions. [2018-10-26 22:36:57,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-10-26 22:36:57,498 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:36:57,498 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:36:57,499 INFO L424 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:36:57,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:36:57,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1899613460, now seen corresponding path program 1 times [2018-10-26 22:36:57,499 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:36:57,502 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:36:57,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:36:57,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:36:57,503 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:36:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:36:58,222 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:36:58,222 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:36:58,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-26 22:36:58,222 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:36:58,223 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-26 22:36:58,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-26 22:36:58,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-26 22:36:58,223 INFO L87 Difference]: Start difference. First operand 550 states and 649 transitions. Second operand 9 states. [2018-10-26 22:36:58,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:36:58,990 INFO L93 Difference]: Finished difference Result 1080 states and 1302 transitions. [2018-10-26 22:36:58,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 22:36:58,991 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 94 [2018-10-26 22:36:58,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:36:58,994 INFO L225 Difference]: With dead ends: 1080 [2018-10-26 22:36:58,994 INFO L226 Difference]: Without dead ends: 554 [2018-10-26 22:36:58,995 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-10-26 22:36:58,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-10-26 22:36:59,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 548. [2018-10-26 22:36:59,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 548 states. [2018-10-26 22:36:59,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 548 states and 645 transitions. [2018-10-26 22:36:59,040 INFO L78 Accepts]: Start accepts. Automaton has 548 states and 645 transitions. Word has length 94 [2018-10-26 22:36:59,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:36:59,044 INFO L481 AbstractCegarLoop]: Abstraction has 548 states and 645 transitions. [2018-10-26 22:36:59,044 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-26 22:36:59,044 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 645 transitions. [2018-10-26 22:36:59,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-10-26 22:36:59,046 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:36:59,046 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:36:59,046 INFO L424 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:36:59,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:36:59,046 INFO L82 PathProgramCache]: Analyzing trace with hash -253357875, now seen corresponding path program 1 times [2018-10-26 22:36:59,047 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:36:59,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:36:59,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:36:59,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:36:59,048 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:36:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:00,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:37:00,004 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:37:00,004 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-10-26 22:37:00,004 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:37:00,005 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-26 22:37:00,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-26 22:37:00,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-10-26 22:37:00,005 INFO L87 Difference]: Start difference. First operand 548 states and 645 transitions. Second operand 10 states. [2018-10-26 22:37:00,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:37:00,968 INFO L93 Difference]: Finished difference Result 1078 states and 1272 transitions. [2018-10-26 22:37:00,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-26 22:37:00,969 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 95 [2018-10-26 22:37:00,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:37:00,972 INFO L225 Difference]: With dead ends: 1078 [2018-10-26 22:37:00,972 INFO L226 Difference]: Without dead ends: 554 [2018-10-26 22:37:00,973 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-10-26 22:37:00,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-10-26 22:37:01,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 537. [2018-10-26 22:37:01,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 537 states. [2018-10-26 22:37:01,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 537 states to 537 states and 614 transitions. [2018-10-26 22:37:01,011 INFO L78 Accepts]: Start accepts. Automaton has 537 states and 614 transitions. Word has length 95 [2018-10-26 22:37:01,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:37:01,012 INFO L481 AbstractCegarLoop]: Abstraction has 537 states and 614 transitions. [2018-10-26 22:37:01,012 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-26 22:37:01,012 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 614 transitions. [2018-10-26 22:37:01,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-26 22:37:01,014 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:37:01,014 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:37:01,014 INFO L424 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:37:01,015 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:37:01,015 INFO L82 PathProgramCache]: Analyzing trace with hash 624104889, now seen corresponding path program 1 times [2018-10-26 22:37:01,015 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:37:01,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:37:01,019 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:37:01,019 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:37:01,019 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:37:01,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:01,238 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 22:37:01,238 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:37:01,238 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 22:37:01,239 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 140 with the following transitions: [2018-10-26 22:37:01,241 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [38], [39], [40], [43], [45], [48], [55], [58], [59], [62], [64], [66], [70], [76], [80], [84], [90], [92], [98], [100], [103], [120], [121], [122], [123], [124], [126], [129], [133], [134], [135], [136], [146], [149], [153], [159], [187], [188], [189], [191], [194], [196], [198], [201], [203], [208], [214], [217], [221], [225], [226], [229], [231], [234], [244], [252], [255], [270], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [286], [288], [289], [290], [291], [292], [293], [296], [297], [302], [303], [306], [307], [308], [309], [310], [311], [312], [313], [318], [319], [320], [321], [322], [323], [324], [326], [327], [328], [330], [331], [332], [333], [344], [345] [2018-10-26 22:37:01,303 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 22:37:01,303 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 22:37:07,358 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 22:37:07,359 INFO L272 AbstractInterpreter]: Visited 61 different actions 61 times. Never merged. Never widened. Never found a fixpoint. Largest state had 132 variables. [2018-10-26 22:37:07,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:37:07,375 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 22:37:13,401 INFO L227 lantSequenceWeakener]: Weakened 73 states. On average, predicates are now at 96.38% of their original sizes. [2018-10-26 22:37:13,401 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 22:37:14,632 INFO L415 sIntCurrentIteration]: We unified 138 AI predicates to 138 [2018-10-26 22:37:14,632 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 22:37:14,633 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 22:37:14,633 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [6] total 26 [2018-10-26 22:37:14,633 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:37:14,634 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-10-26 22:37:14,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-10-26 22:37:14,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=376, Unknown=0, NotChecked=0, Total=462 [2018-10-26 22:37:14,634 INFO L87 Difference]: Start difference. First operand 537 states and 614 transitions. Second operand 22 states. [2018-10-26 22:37:46,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:37:46,139 INFO L93 Difference]: Finished difference Result 1127 states and 1302 transitions. [2018-10-26 22:37:46,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-10-26 22:37:46,139 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 139 [2018-10-26 22:37:46,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:37:46,142 INFO L225 Difference]: With dead ends: 1127 [2018-10-26 22:37:46,142 INFO L226 Difference]: Without dead ends: 614 [2018-10-26 22:37:46,146 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 147 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=157, Invalid=773, Unknown=0, NotChecked=0, Total=930 [2018-10-26 22:37:46,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2018-10-26 22:37:46,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 602. [2018-10-26 22:37:46,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 602 states. [2018-10-26 22:37:46,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 602 states and 685 transitions. [2018-10-26 22:37:46,189 INFO L78 Accepts]: Start accepts. Automaton has 602 states and 685 transitions. Word has length 139 [2018-10-26 22:37:46,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:37:46,189 INFO L481 AbstractCegarLoop]: Abstraction has 602 states and 685 transitions. [2018-10-26 22:37:46,189 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-10-26 22:37:46,189 INFO L276 IsEmpty]: Start isEmpty. Operand 602 states and 685 transitions. [2018-10-26 22:37:46,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-26 22:37:46,191 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:37:46,192 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:37:46,194 INFO L424 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:37:46,194 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:37:46,194 INFO L82 PathProgramCache]: Analyzing trace with hash 143099923, now seen corresponding path program 1 times [2018-10-26 22:37:46,194 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:37:46,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:37:46,195 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:37:46,195 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:37:46,196 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:37:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:37:46,597 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 22:37:46,597 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:37:46,598 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 22:37:46,598 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 144 with the following transitions: [2018-10-26 22:37:46,599 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [38], [39], [40], [43], [45], [48], [55], [58], [59], [62], [64], [66], [70], [76], [80], [84], [87], [90], [92], [98], [100], [103], [120], [121], [122], [123], [124], [126], [129], [133], [134], [135], [136], [146], [149], [153], [159], [187], [188], [189], [191], [194], [196], [198], [201], [203], [208], [214], [217], [221], [225], [226], [229], [231], [234], [244], [247], [251], [252], [255], [270], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [286], [288], [289], [290], [291], [292], [293], [296], [297], [298], [299], [302], [303], [306], [307], [308], [309], [310], [311], [312], [313], [318], [319], [320], [321], [322], [323], [324], [326], [327], [328], [330], [331], [332], [333], [344], [345] [2018-10-26 22:37:46,607 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 22:37:46,607 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 22:37:58,170 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 22:37:58,171 INFO L272 AbstractInterpreter]: Visited 66 different actions 98 times. Merged at 5 different actions 5 times. Never widened. Never found a fixpoint. Largest state had 132 variables. [2018-10-26 22:37:58,184 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:37:58,184 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 22:38:13,233 INFO L227 lantSequenceWeakener]: Weakened 77 states. On average, predicates are now at 96.39% of their original sizes. [2018-10-26 22:38:13,233 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 22:38:14,002 INFO L415 sIntCurrentIteration]: We unified 142 AI predicates to 142 [2018-10-26 22:38:14,002 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 22:38:14,002 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 22:38:14,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [25] imperfect sequences [6] total 29 [2018-10-26 22:38:14,003 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:38:14,003 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-10-26 22:38:14,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-10-26 22:38:14,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=491, Unknown=0, NotChecked=0, Total=600 [2018-10-26 22:38:14,006 INFO L87 Difference]: Start difference. First operand 602 states and 685 transitions. Second operand 25 states. [2018-10-26 22:38:53,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:38:53,049 INFO L93 Difference]: Finished difference Result 1098 states and 1281 transitions. [2018-10-26 22:38:53,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-10-26 22:38:53,049 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 143 [2018-10-26 22:38:53,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:38:53,053 INFO L225 Difference]: With dead ends: 1098 [2018-10-26 22:38:53,053 INFO L226 Difference]: Without dead ends: 707 [2018-10-26 22:38:53,055 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 154 GetRequests, 116 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 335 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=221, Invalid=1111, Unknown=0, NotChecked=0, Total=1332 [2018-10-26 22:38:53,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 707 states. [2018-10-26 22:38:53,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 707 to 686. [2018-10-26 22:38:53,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 686 states. [2018-10-26 22:38:53,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 686 states and 779 transitions. [2018-10-26 22:38:53,112 INFO L78 Accepts]: Start accepts. Automaton has 686 states and 779 transitions. Word has length 143 [2018-10-26 22:38:53,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:38:53,113 INFO L481 AbstractCegarLoop]: Abstraction has 686 states and 779 transitions. [2018-10-26 22:38:53,113 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-10-26 22:38:53,113 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 779 transitions. [2018-10-26 22:38:53,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-26 22:38:53,116 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:38:53,118 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:38:53,119 INFO L424 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:38:53,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:38:53,119 INFO L82 PathProgramCache]: Analyzing trace with hash -876943248, now seen corresponding path program 1 times [2018-10-26 22:38:53,119 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:38:53,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:38:53,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:38:53,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:38:53,120 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:38:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:38:53,679 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-26 22:38:53,679 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:38:53,679 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 22:38:53,680 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 144 with the following transitions: [2018-10-26 22:38:53,681 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [38], [39], [40], [43], [45], [48], [55], [58], [59], [63], [64], [66], [70], [76], [80], [84], [87], [90], [92], [98], [100], [103], [120], [121], [122], [123], [124], [126], [131], [133], [134], [135], [136], [146], [149], [153], [159], [187], [188], [189], [191], [194], [196], [198], [201], [203], [208], [214], [217], [221], [225], [226], [229], [231], [234], [244], [247], [251], [252], [255], [270], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [286], [288], [289], [290], [291], [292], [293], [296], [297], [298], [299], [302], [303], [306], [307], [308], [309], [310], [311], [312], [313], [318], [319], [320], [321], [322], [323], [324], [326], [327], [328], [330], [331], [332], [333], [344], [345] [2018-10-26 22:38:53,691 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 22:38:53,691 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 22:39:06,686 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 22:39:06,687 INFO L272 AbstractInterpreter]: Visited 97 different actions 120 times. Merged at 5 different actions 5 times. Never widened. Never found a fixpoint. Largest state had 132 variables. [2018-10-26 22:39:06,696 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:39:06,696 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 22:39:27,128 INFO L227 lantSequenceWeakener]: Weakened 117 states. On average, predicates are now at 96.74% of their original sizes. [2018-10-26 22:39:27,128 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 22:39:28,605 INFO L415 sIntCurrentIteration]: We unified 142 AI predicates to 142 [2018-10-26 22:39:28,605 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 22:39:28,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 22:39:28,605 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [42] imperfect sequences [7] total 47 [2018-10-26 22:39:28,605 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:39:28,606 INFO L460 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-10-26 22:39:28,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-10-26 22:39:28,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=1532, Unknown=0, NotChecked=0, Total=1722 [2018-10-26 22:39:28,606 INFO L87 Difference]: Start difference. First operand 686 states and 779 transitions. Second operand 42 states. [2018-10-26 22:40:44,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:40:44,091 INFO L93 Difference]: Finished difference Result 1494 states and 1788 transitions. [2018-10-26 22:40:44,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-10-26 22:40:44,091 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 143 [2018-10-26 22:40:44,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:40:44,094 INFO L225 Difference]: With dead ends: 1494 [2018-10-26 22:40:44,094 INFO L226 Difference]: Without dead ends: 1079 [2018-10-26 22:40:44,096 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 174 GetRequests, 99 SyntacticMatches, 3 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1574 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=509, Invalid=4893, Unknown=0, NotChecked=0, Total=5402 [2018-10-26 22:40:44,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1079 states. [2018-10-26 22:40:44,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1079 to 1019. [2018-10-26 22:40:44,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1019 states. [2018-10-26 22:40:44,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1165 transitions. [2018-10-26 22:40:44,215 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1165 transitions. Word has length 143 [2018-10-26 22:40:44,215 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:40:44,215 INFO L481 AbstractCegarLoop]: Abstraction has 1019 states and 1165 transitions. [2018-10-26 22:40:44,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-10-26 22:40:44,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1165 transitions. [2018-10-26 22:40:44,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-26 22:40:44,220 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:40:44,220 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:40:44,221 INFO L424 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:40:44,221 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:40:44,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1380924335, now seen corresponding path program 1 times [2018-10-26 22:40:44,221 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:40:44,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:40:44,222 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:40:44,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:40:44,222 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:40:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:40:44,631 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 22:40:44,631 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:40:44,631 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 22:40:44,631 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 148 with the following transitions: [2018-10-26 22:40:44,631 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [38], [39], [40], [43], [45], [48], [55], [58], [59], [62], [64], [66], [70], [76], [80], [84], [87], [90], [92], [95], [98], [100], [103], [120], [121], [122], [123], [124], [126], [129], [133], [134], [135], [136], [141], [143], [146], [149], [153], [159], [187], [188], [189], [191], [194], [196], [198], [201], [203], [208], [214], [217], [221], [225], [226], [229], [231], [234], [244], [247], [251], [252], [255], [270], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [286], [288], [289], [290], [291], [292], [293], [296], [297], [298], [299], [300], [301], [302], [303], [306], [307], [308], [309], [310], [311], [312], [313], [318], [319], [320], [321], [322], [323], [324], [326], [327], [328], [330], [331], [332], [333], [344], [345] [2018-10-26 22:40:44,635 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 22:40:44,636 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 22:41:04,681 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 22:41:04,681 INFO L272 AbstractInterpreter]: Visited 71 different actions 168 times. Merged at 7 different actions 12 times. Never widened. Never found a fixpoint. Largest state had 132 variables. [2018-10-26 22:41:04,696 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:04,696 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 22:41:14,464 INFO L227 lantSequenceWeakener]: Weakened 81 states. On average, predicates are now at 96.39% of their original sizes. [2018-10-26 22:41:14,464 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 22:41:15,352 INFO L415 sIntCurrentIteration]: We unified 146 AI predicates to 146 [2018-10-26 22:41:15,352 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 22:41:15,352 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 22:41:15,352 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [28] imperfect sequences [6] total 32 [2018-10-26 22:41:15,353 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:41:15,353 INFO L460 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-10-26 22:41:15,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-10-26 22:41:15,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=617, Unknown=0, NotChecked=0, Total=756 [2018-10-26 22:41:15,354 INFO L87 Difference]: Start difference. First operand 1019 states and 1165 transitions. Second operand 28 states. [2018-10-26 22:41:58,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:58,322 INFO L93 Difference]: Finished difference Result 1997 states and 2403 transitions. [2018-10-26 22:41:58,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-10-26 22:41:58,322 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 147 [2018-10-26 22:41:58,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:58,328 INFO L225 Difference]: With dead ends: 1997 [2018-10-26 22:41:58,328 INFO L226 Difference]: Without dead ends: 1484 [2018-10-26 22:41:58,331 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 171 GetRequests, 119 SyntacticMatches, 1 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 668 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=397, Invalid=2359, Unknown=0, NotChecked=0, Total=2756 [2018-10-26 22:41:58,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1484 states. [2018-10-26 22:41:58,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1484 to 1374. [2018-10-26 22:41:58,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1374 states. [2018-10-26 22:41:58,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1374 states and 1577 transitions. [2018-10-26 22:41:58,508 INFO L78 Accepts]: Start accepts. Automaton has 1374 states and 1577 transitions. Word has length 147 [2018-10-26 22:41:58,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:58,508 INFO L481 AbstractCegarLoop]: Abstraction has 1374 states and 1577 transitions. [2018-10-26 22:41:58,509 INFO L482 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-10-26 22:41:58,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 1577 transitions. [2018-10-26 22:41:58,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-26 22:41:58,511 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:58,511 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:41:58,511 INFO L424 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:58,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:58,516 INFO L82 PathProgramCache]: Analyzing trace with hash 360881164, now seen corresponding path program 1 times [2018-10-26 22:41:58,516 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:41:58,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:41:58,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:41:58,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:41:58,517 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:41:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:59,040 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 22:41:59,041 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:41:59,041 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-10-26 22:41:59,041 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:41:59,041 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-26 22:41:59,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-26 22:41:59,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-10-26 22:41:59,042 INFO L87 Difference]: Start difference. First operand 1374 states and 1577 transitions. Second operand 10 states. [2018-10-26 22:41:59,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:41:59,431 INFO L93 Difference]: Finished difference Result 2657 states and 3086 transitions. [2018-10-26 22:41:59,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-26 22:41:59,436 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 147 [2018-10-26 22:41:59,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:41:59,445 INFO L225 Difference]: With dead ends: 2657 [2018-10-26 22:41:59,445 INFO L226 Difference]: Without dead ends: 1787 [2018-10-26 22:41:59,447 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-10-26 22:41:59,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1787 states. [2018-10-26 22:41:59,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1787 to 1651. [2018-10-26 22:41:59,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1651 states. [2018-10-26 22:41:59,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 1651 states and 1876 transitions. [2018-10-26 22:41:59,627 INFO L78 Accepts]: Start accepts. Automaton has 1651 states and 1876 transitions. Word has length 147 [2018-10-26 22:41:59,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:41:59,627 INFO L481 AbstractCegarLoop]: Abstraction has 1651 states and 1876 transitions. [2018-10-26 22:41:59,627 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-26 22:41:59,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1651 states and 1876 transitions. [2018-10-26 22:41:59,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-10-26 22:41:59,632 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:41:59,632 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:41:59,633 INFO L424 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:41:59,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:41:59,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1202478414, now seen corresponding path program 1 times [2018-10-26 22:41:59,633 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:41:59,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:41:59,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:41:59,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:41:59,634 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:41:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:41:59,976 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 22:41:59,977 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:41:59,977 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 22:41:59,977 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 152 with the following transitions: [2018-10-26 22:41:59,977 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [38], [39], [40], [43], [45], [48], [55], [58], [59], [63], [64], [66], [70], [76], [80], [84], [87], [90], [92], [95], [100], [103], [120], [121], [122], [123], [124], [126], [131], [133], [134], [135], [136], [139], [141], [143], [146], [149], [153], [159], [187], [188], [189], [191], [194], [196], [198], [201], [203], [208], [214], [217], [221], [225], [226], [229], [231], [234], [244], [247], [251], [252], [255], [270], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [286], [288], [289], [290], [291], [292], [293], [296], [297], [298], [299], [300], [301], [302], [303], [306], [307], [308], [309], [310], [311], [312], [313], [318], [319], [320], [321], [322], [323], [324], [326], [327], [328], [330], [331], [332], [333], [344], [345] [2018-10-26 22:41:59,980 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 22:41:59,980 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 22:43:12,698 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-10-26 22:43:12,698 INFO L272 AbstractInterpreter]: Visited 107 different actions 884 times. Merged at 20 different actions 92 times. Never widened. Found 14 fixpoints after 4 different actions. Largest state had 132 variables. [2018-10-26 22:43:12,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:43:12,708 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-10-26 22:43:37,679 INFO L227 lantSequenceWeakener]: Weakened 132 states. On average, predicates are now at 96.63% of their original sizes. [2018-10-26 22:43:37,679 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-10-26 22:43:39,767 INFO L415 sIntCurrentIteration]: We unified 150 AI predicates to 150 [2018-10-26 22:43:39,767 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-10-26 22:43:39,767 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-10-26 22:43:39,767 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [47] imperfect sequences [9] total 54 [2018-10-26 22:43:39,767 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:43:39,768 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-10-26 22:43:39,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-10-26 22:43:39,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=1967, Unknown=0, NotChecked=0, Total=2162 [2018-10-26 22:43:39,769 INFO L87 Difference]: Start difference. First operand 1651 states and 1876 transitions. Second operand 47 states. [2018-10-26 22:45:01,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:45:01,340 INFO L93 Difference]: Finished difference Result 3840 states and 4686 transitions. [2018-10-26 22:45:01,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-10-26 22:45:01,341 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 151 [2018-10-26 22:45:01,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:45:01,351 INFO L225 Difference]: With dead ends: 3840 [2018-10-26 22:45:01,351 INFO L226 Difference]: Without dead ends: 2484 [2018-10-26 22:45:01,357 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 191 GetRequests, 98 SyntacticMatches, 7 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2542 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=606, Invalid=7050, Unknown=0, NotChecked=0, Total=7656 [2018-10-26 22:45:01,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2484 states. [2018-10-26 22:45:01,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2484 to 2081. [2018-10-26 22:45:01,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2081 states. [2018-10-26 22:45:01,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 2336 transitions. [2018-10-26 22:45:01,633 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 2336 transitions. Word has length 151 [2018-10-26 22:45:01,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:45:01,633 INFO L481 AbstractCegarLoop]: Abstraction has 2081 states and 2336 transitions. [2018-10-26 22:45:01,633 INFO L482 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-10-26 22:45:01,633 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 2336 transitions. [2018-10-26 22:45:01,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-10-26 22:45:01,638 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:45:01,638 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:45:01,638 INFO L424 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:45:01,639 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:45:01,639 INFO L82 PathProgramCache]: Analyzing trace with hash -1527879022, now seen corresponding path program 1 times [2018-10-26 22:45:01,639 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:45:01,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:45:01,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:45:01,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:45:01,640 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:45:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:45:01,762 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 22:45:01,762 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:45:01,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 22:45:01,763 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:45:01,763 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:45:01,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:45:01,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:45:01,764 INFO L87 Difference]: Start difference. First operand 2081 states and 2336 transitions. Second operand 6 states. [2018-10-26 22:45:01,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:45:01,968 INFO L93 Difference]: Finished difference Result 3761 states and 4274 transitions. [2018-10-26 22:45:01,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 22:45:01,972 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 169 [2018-10-26 22:45:01,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:45:01,981 INFO L225 Difference]: With dead ends: 3761 [2018-10-26 22:45:01,981 INFO L226 Difference]: Without dead ends: 2116 [2018-10-26 22:45:01,986 INFO L605 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 [2018-10-26 22:45:01,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2116 states. [2018-10-26 22:45:02,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2116 to 2116. [2018-10-26 22:45:02,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2116 states. [2018-10-26 22:45:02,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2116 states to 2116 states and 2371 transitions. [2018-10-26 22:45:02,407 INFO L78 Accepts]: Start accepts. Automaton has 2116 states and 2371 transitions. Word has length 169 [2018-10-26 22:45:02,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:45:02,408 INFO L481 AbstractCegarLoop]: Abstraction has 2116 states and 2371 transitions. [2018-10-26 22:45:02,408 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:45:02,408 INFO L276 IsEmpty]: Start isEmpty. Operand 2116 states and 2371 transitions. [2018-10-26 22:45:02,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-10-26 22:45:02,411 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:45:02,411 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:45:02,412 INFO L424 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:45:02,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:45:02,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1922245808, now seen corresponding path program 1 times [2018-10-26 22:45:02,414 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:45:02,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:45:02,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:45:02,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:45:02,415 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:45:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:45:02,656 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 22:45:02,657 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:45:02,657 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-26 22:45:02,657 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 170 with the following transitions: [2018-10-26 22:45:02,657 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [27], [29], [30], [31], [34], [36], [37], [38], [39], [40], [43], [45], [51], [55], [58], [59], [63], [64], [66], [70], [76], [80], [84], [87], [90], [92], [95], [100], [103], [118], [119], [120], [121], [122], [123], [124], [126], [131], [133], [134], [135], [136], [139], [141], [143], [146], [149], [153], [159], [187], [188], [189], [191], [194], [196], [198], [201], [203], [208], [214], [217], [221], [225], [226], [229], [231], [234], [244], [247], [251], [252], [255], [258], [260], [263], [270], [273], [274], [275], [276], [277], [278], [279], [280], [281], [282], [284], [285], [286], [288], [289], [290], [291], [294], [295], [296], [297], [298], [299], [300], [301], [302], [303], [306], [307], [308], [309], [310], [311], [312], [313], [318], [319], [320], [321], [322], [323], [324], [326], [327], [328], [330], [331], [332], [333], [338], [339], [340], [341], [344], [345] [2018-10-26 22:45:02,659 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-26 22:45:02,659 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-26 22:46:48,234 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-26 22:46:48,234 INFO L272 AbstractInterpreter]: Visited 141 different actions 1189 times. Merged at 22 different actions 133 times. Never widened. Found 22 fixpoints after 4 different actions. Largest state had 132 variables. [2018-10-26 22:46:48,248 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:46:48,249 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-26 22:46:48,249 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-26 22:46:48,249 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_73dc1755-0b9f-4bf4-96e9-14fe7ac47fcf/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 [2018-10-26 22:46:48,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:46:48,259 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-26 22:46:48,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:46:48,410 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-26 22:46:49,441 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 18 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-10-26 22:46:49,443 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-26 22:46:50,076 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 22:46:50,098 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-10-26 22:46:50,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 11] total 24 [2018-10-26 22:46:50,098 INFO L251 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-10-26 22:46:50,099 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-10-26 22:46:50,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-10-26 22:46:50,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=436, Unknown=0, NotChecked=0, Total=552 [2018-10-26 22:46:50,100 INFO L87 Difference]: Start difference. First operand 2116 states and 2371 transitions. Second operand 19 states. [2018-10-26 22:46:54,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:46:54,032 INFO L93 Difference]: Finished difference Result 4138 states and 4974 transitions. [2018-10-26 22:46:54,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-10-26 22:46:54,033 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 169 [2018-10-26 22:46:54,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:46:54,034 INFO L225 Difference]: With dead ends: 4138 [2018-10-26 22:46:54,034 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 22:46:54,042 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 380 GetRequests, 328 SyntacticMatches, 13 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 500 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=432, Invalid=1208, Unknown=0, NotChecked=0, Total=1640 [2018-10-26 22:46:54,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 22:46:54,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 22:46:54,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 22:46:54,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 22:46:54,043 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 169 [2018-10-26 22:46:54,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:46:54,043 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 22:46:54,043 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-10-26 22:46:54,044 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 22:46:54,044 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:46:54,051 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 22:46:56,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:56,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:56,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:56,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:56,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:56,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:56,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:56,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:56,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:56,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:56,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:56,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:56,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:56,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:56,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:56,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:56,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:56,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:56,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:56,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:56,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:56,752 WARN L179 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 464 DAG size of output: 332 [2018-10-26 22:46:56,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:57,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:57,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:57,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:57,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:57,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:58,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:58,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:58,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:58,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:58,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:58,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:58,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:58,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:58,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:58,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:58,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:58,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:58,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:58,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:58,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:58,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:58,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:58,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:58,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:58,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:58,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:58,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:58,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:58,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:58,809 WARN L179 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 388 [2018-10-26 22:46:58,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:58,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:58,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:58,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:58,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:58,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:59,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:59,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:59,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:59,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:59,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:59,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:59,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:59,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:59,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:59,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:59,919 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:59,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:59,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:59,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:59,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:59,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:59,950 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:59,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:46:59,999 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:47:00,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:47:00,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:47:00,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:47:00,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:47:00,092 WARN L179 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 378 [2018-10-26 22:47:00,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:47:00,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:47:00,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:47:00,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:47:00,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:47:00,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:47:00,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:47:00,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:47:00,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:47:01,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:47:01,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:47:01,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:47:01,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-10-26 22:47:01,242 WARN L179 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 505 DAG size of output: 404 [2018-10-26 22:47:02,241 WARN L179 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 21 [2018-10-26 22:47:02,736 WARN L179 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 1 [2018-10-26 22:47:02,838 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 33 [2018-10-26 22:47:03,596 WARN L179 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 54 [2018-10-26 22:47:04,608 WARN L179 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 308 DAG size of output: 58 [2018-10-26 22:47:04,804 WARN L179 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 1 [2018-10-26 22:47:05,656 WARN L179 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 21 [2018-10-26 22:47:06,216 WARN L179 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 21 [2018-10-26 22:47:06,902 WARN L179 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 21 [2018-10-26 22:47:07,341 WARN L179 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 36 [2018-10-26 22:47:07,448 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 33 [2018-10-26 22:47:08,153 WARN L179 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 21 [2018-10-26 22:47:08,261 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 33 [2018-10-26 22:47:08,720 WARN L179 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 21 [2018-10-26 22:47:09,339 WARN L179 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 33 [2018-10-26 22:47:09,573 WARN L179 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 1 [2018-10-26 22:47:10,913 WARN L179 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 450 DAG size of output: 22 [2018-10-26 22:47:12,286 WARN L179 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 350 DAG size of output: 86 [2018-10-26 22:47:12,568 WARN L179 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 1 [2018-10-26 22:47:12,959 WARN L179 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 15 [2018-10-26 22:47:15,105 WARN L179 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 405 DAG size of output: 100 [2018-10-26 22:47:15,717 WARN L179 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 22 [2018-10-26 22:47:16,446 WARN L179 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 53 [2018-10-26 22:47:16,552 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2018-10-26 22:47:17,433 WARN L179 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 50 [2018-10-26 22:47:18,192 WARN L179 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 354 DAG size of output: 21 [2018-10-26 22:47:19,270 WARN L179 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 465 DAG size of output: 32 [2018-10-26 22:47:19,907 WARN L179 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 14 [2018-10-26 22:47:20,367 WARN L179 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 24 [2018-10-26 22:47:20,518 WARN L179 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 36 [2018-10-26 22:47:20,673 WARN L179 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2018-10-26 22:47:20,782 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 33 [2018-10-26 22:47:20,934 WARN L179 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 36 [2018-10-26 22:47:21,385 WARN L179 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 1 [2018-10-26 22:47:21,873 WARN L179 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 21 [2018-10-26 22:47:22,120 WARN L179 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 19 [2018-10-26 22:47:22,809 WARN L179 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 21 [2018-10-26 22:47:24,082 WARN L179 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 402 DAG size of output: 22 [2018-10-26 22:47:24,189 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2018-10-26 22:47:24,691 WARN L179 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 1 [2018-10-26 22:47:24,797 WARN L179 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 33 [2018-10-26 22:47:25,880 WARN L179 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 456 DAG size of output: 31 [2018-10-26 22:47:26,176 WARN L179 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 1 [2018-10-26 22:47:26,671 WARN L179 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 21 [2018-10-26 22:47:26,983 WARN L179 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 1 [2018-10-26 22:47:28,012 WARN L179 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 480 DAG size of output: 30 [2018-10-26 22:47:28,633 WARN L179 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 41 [2018-10-26 22:47:30,303 WARN L179 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 425 DAG size of output: 79 [2018-10-26 22:47:30,662 WARN L179 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 13 [2018-10-26 22:47:30,771 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2018-10-26 22:47:30,879 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 33 [2018-10-26 22:47:30,997 WARN L179 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 1 [2018-10-26 22:47:31,000 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2018-10-26 22:47:31,000 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2018-10-26 22:47:31,000 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2018-10-26 22:47:31,000 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2018-10-26 22:47:31,000 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2018-10-26 22:47:31,000 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 965 987) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:47:31,000 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 965 987) no Hoare annotation was computed. [2018-10-26 22:47:31,001 INFO L421 ceAbstractionStarter]: At program point L977(line 977) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (<= (+ ~waterLevel~0 main_~tmp~10) 2) (= ~pumpRunning~0 0) (= main_~tmp~10 1)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:47:31,001 INFO L421 ceAbstractionStarter]: At program point L977-1(line 977) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (<= (+ ~waterLevel~0 main_~tmp~10) 2) (= ~pumpRunning~0 0) (= main_~tmp~10 1)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:47:31,001 INFO L425 ceAbstractionStarter]: For program point L975(lines 975 982) no Hoare annotation was computed. [2018-10-26 22:47:31,001 INFO L425 ceAbstractionStarter]: For program point L975-1(lines 975 982) no Hoare annotation was computed. [2018-10-26 22:47:31,001 INFO L425 ceAbstractionStarter]: For program point L973(line 973) no Hoare annotation was computed. [2018-10-26 22:47:31,001 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 965 987) no Hoare annotation was computed. [2018-10-26 22:47:31,001 INFO L421 ceAbstractionStarter]: At program point L972(line 972) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:47:31,001 INFO L421 ceAbstractionStarter]: At program point L971(line 971) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:47:31,002 INFO L421 ceAbstractionStarter]: At program point L971-1(line 971) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:47:31,002 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 305 313) no Hoare annotation was computed. [2018-10-26 22:47:31,002 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 305 313) the Hoare annotation is: true [2018-10-26 22:47:31,002 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 305 313) no Hoare annotation was computed. [2018-10-26 22:47:31,002 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 382) no Hoare annotation was computed. [2018-10-26 22:47:31,002 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 369 387) the Hoare annotation is: true [2018-10-26 22:47:31,002 INFO L428 ceAbstractionStarter]: At program point L376(line 376) the Hoare annotation is: true [2018-10-26 22:47:31,002 INFO L425 ceAbstractionStarter]: For program point L378-2(lines 378 382) no Hoare annotation was computed. [2018-10-26 22:47:31,002 INFO L425 ceAbstractionStarter]: For program point L376-1(line 376) no Hoare annotation was computed. [2018-10-26 22:47:31,002 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 369 387) no Hoare annotation was computed. [2018-10-26 22:47:31,002 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 369 387) no Hoare annotation was computed. [2018-10-26 22:47:31,002 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2018-10-26 22:47:31,003 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2018-10-26 22:47:31,003 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 955 964) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:47:31,003 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 955 964) no Hoare annotation was computed. [2018-10-26 22:47:31,003 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 955 964) no Hoare annotation was computed. [2018-10-26 22:47:31,003 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 294 304) the Hoare annotation is: true [2018-10-26 22:47:31,003 INFO L428 ceAbstractionStarter]: At program point L299(line 299) the Hoare annotation is: true [2018-10-26 22:47:31,003 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 294 304) no Hoare annotation was computed. [2018-10-26 22:47:31,003 INFO L425 ceAbstractionStarter]: For program point L299-1(line 299) no Hoare annotation was computed. [2018-10-26 22:47:31,003 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 294 304) no Hoare annotation was computed. [2018-10-26 22:47:31,003 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 286 293) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 22:47:31,003 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 286 293) no Hoare annotation was computed. [2018-10-26 22:47:31,004 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 286 293) no Hoare annotation was computed. [2018-10-26 22:47:31,004 INFO L425 ceAbstractionStarter]: For program point L257(lines 257 274) no Hoare annotation was computed. [2018-10-26 22:47:31,004 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 253 277) no Hoare annotation was computed. [2018-10-26 22:47:31,010 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 253 277) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1))) [2018-10-26 22:47:31,010 INFO L421 ceAbstractionStarter]: At program point L272(line 272) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-10-26 22:47:31,010 INFO L425 ceAbstractionStarter]: For program point L272-1(lines 253 277) no Hoare annotation was computed. [2018-10-26 22:47:31,010 INFO L421 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 2 (* 2 |old(~pumpRunning~0)|)) (and (<= (* 2 processEnvironment_~tmp~3) 0) (<= ~methaneLevelCritical~0 processEnvironment_~tmp~3)) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (< ~waterLevel~0 ~systemActive~0) (< |old(~pumpRunning~0)| ~waterLevel~0) (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-10-26 22:47:31,010 INFO L421 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (< 2 (* 2 |old(~pumpRunning~0)|)) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (< ~waterLevel~0 ~systemActive~0) (< |old(~pumpRunning~0)| ~waterLevel~0) (< |old(~pumpRunning~0)| (+ ~methaneLevelCritical~0 1))))) [2018-10-26 22:47:31,010 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 269) no Hoare annotation was computed. [2018-10-26 22:47:31,011 INFO L421 ceAbstractionStarter]: At program point L259(line 259) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-10-26 22:47:31,011 INFO L425 ceAbstractionStarter]: For program point L259-1(line 259) no Hoare annotation was computed. [2018-10-26 22:47:31,011 INFO L425 ceAbstractionStarter]: For program point L473(lines 473 479) no Hoare annotation was computed. [2018-10-26 22:47:31,011 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 469 482) no Hoare annotation was computed. [2018-10-26 22:47:31,011 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 469 482) the Hoare annotation is: true [2018-10-26 22:47:31,011 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 469 482) no Hoare annotation was computed. [2018-10-26 22:47:31,011 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 193 199) no Hoare annotation was computed. [2018-10-26 22:47:31,011 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 193 199) the Hoare annotation is: true [2018-10-26 22:47:31,011 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 91 154) the Hoare annotation is: (or (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (= ~pumpRunning~0 0)) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:47:31,011 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 91 154) no Hoare annotation was computed. [2018-10-26 22:47:31,011 INFO L421 ceAbstractionStarter]: At program point L147(lines 100 148) the Hoare annotation is: (or (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-10-26 22:47:31,012 INFO L425 ceAbstractionStarter]: For program point L137(lines 137 141) no Hoare annotation was computed. [2018-10-26 22:47:31,012 INFO L421 ceAbstractionStarter]: At program point L137-2(lines 131 142) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-10-26 22:47:31,012 INFO L425 ceAbstractionStarter]: For program point L102(lines 101 146) no Hoare annotation was computed. [2018-10-26 22:47:31,012 INFO L425 ceAbstractionStarter]: For program point L131(lines 131 142) no Hoare annotation was computed. [2018-10-26 22:47:31,012 INFO L421 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|)))) [2018-10-26 22:47:31,012 INFO L425 ceAbstractionStarter]: For program point L121(lines 121 127) no Hoare annotation was computed. [2018-10-26 22:47:31,012 INFO L425 ceAbstractionStarter]: For program point L121-1(lines 121 127) no Hoare annotation was computed. [2018-10-26 22:47:31,012 INFO L421 ceAbstractionStarter]: At program point L113(line 113) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (< (+ |old(~pumpRunning~0)| |old(~methaneLevelCritical~0)|) 0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|)))) [2018-10-26 22:47:31,013 INFO L421 ceAbstractionStarter]: At program point L144(lines 101 146) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (< 1 (+ |old(~pumpRunning~0)| |old(~waterLevel~0)|)) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (< (+ ~systemActive~0 |old(~methaneLevelCritical~0)|) 1) (< |old(~waterLevel~0)| ~systemActive~0) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-10-26 22:47:31,013 INFO L425 ceAbstractionStarter]: For program point L111(lines 111 117) no Hoare annotation was computed. [2018-10-26 22:47:31,013 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 111 117) no Hoare annotation was computed. [2018-10-26 22:47:31,013 INFO L425 ceAbstractionStarter]: For program point L103(lines 103 107) no Hoare annotation was computed. [2018-10-26 22:47:31,013 INFO L425 ceAbstractionStarter]: For program point L101-1(lines 101 146) no Hoare annotation was computed. [2018-10-26 22:47:31,013 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 91 154) no Hoare annotation was computed. [2018-10-26 22:47:31,013 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 483 491) no Hoare annotation was computed. [2018-10-26 22:47:31,013 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 483 491) the Hoare annotation is: true [2018-10-26 22:47:31,013 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 483 491) no Hoare annotation was computed. [2018-10-26 22:47:31,013 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:47:31,013 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-10-26 22:47:31,013 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:47:31,013 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 278 285) no Hoare annotation was computed. [2018-10-26 22:47:31,014 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 278 285) no Hoare annotation was computed. [2018-10-26 22:47:31,014 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 278 285) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) (not (= ~systemActive~0 1))) [2018-10-26 22:47:31,014 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 350 368) no Hoare annotation was computed. [2018-10-26 22:47:31,014 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 363) no Hoare annotation was computed. [2018-10-26 22:47:31,014 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 350 368) the Hoare annotation is: true [2018-10-26 22:47:31,014 INFO L428 ceAbstractionStarter]: At program point L357(line 357) the Hoare annotation is: true [2018-10-26 22:47:31,014 INFO L425 ceAbstractionStarter]: For program point L359-2(lines 359 363) no Hoare annotation was computed. [2018-10-26 22:47:31,014 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 350 368) no Hoare annotation was computed. [2018-10-26 22:47:31,014 INFO L425 ceAbstractionStarter]: For program point L357-1(line 357) no Hoare annotation was computed. [2018-10-26 22:47:31,014 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 460 468) the Hoare annotation is: true [2018-10-26 22:47:31,014 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 460 468) no Hoare annotation was computed. [2018-10-26 22:47:31,014 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 460 468) no Hoare annotation was computed. [2018-10-26 22:47:31,015 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 416 427) the Hoare annotation is: (let ((.cse15 (+ ~methaneLevelCritical~0 ~systemActive~0)) (.cse13 (+ ~systemActive~0 |old(~methaneLevelCritical~0)|)) (.cse14 (* 2 ~pumpRunning~0))) (let ((.cse3 (< ~pumpRunning~0 (+ |old(~methaneLevelCritical~0)| 1))) (.cse4 (<= 1 (+ ~methaneLevelCritical~0 ~pumpRunning~0))) (.cse12 (= ~methaneLevelCritical~0 1)) (.cse11 (not (= ~systemActive~0 1))) (.cse10 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse0 (< 2 .cse14)) (.cse7 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse1 (< .cse13 1)) (.cse2 (< ~waterLevel~0 ~systemActive~0)) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse8 (< 0 .cse14)) (.cse9 (<= 1 .cse15)) (.cse5 (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0))) (and (or (or .cse0 .cse1 .cse2 (< ~pumpRunning~0 ~waterLevel~0) .cse3) (and .cse4 .cse5)) (or (or (< (+ ~pumpRunning~0 ~waterLevel~0) 2) .cse1 .cse6 .cse7 .cse8) (and .cse9 (<= ~methaneLevelCritical~0 ~pumpRunning~0))) (or (or (< (+ ~waterLevel~0 |old(~methaneLevelCritical~0)|) 2) .cse0 .cse1 .cse7 .cse3) (and (<= (* 2 ~methaneLevelCritical~0) 0) .cse4)) (or .cse10 (< 1 ~waterLevel~0) .cse11 .cse12 (not (= 1 ~pumpRunning~0))) (or .cse12 .cse10 (not (= 0 ~pumpRunning~0)) (< 2 ~waterLevel~0) .cse11) (or (or .cse10 .cse0 .cse2 (< .cse13 2) (< .cse14 2) .cse7) (and (<= 2 .cse15) (<= .cse15 2))) (or (or .cse1 .cse2 (< (+ ~pumpRunning~0 |old(~methaneLevelCritical~0)|) 0) .cse6 (not (= ~waterLevel~0 1)) .cse8) (and .cse9 .cse5))))) [2018-10-26 22:47:31,015 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 416 427) no Hoare annotation was computed. [2018-10-26 22:47:31,015 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 416 427) no Hoare annotation was computed. [2018-10-26 22:47:31,015 INFO L421 ceAbstractionStarter]: At program point L182(line 182) the Hoare annotation is: (let ((.cse0 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse11 (<= ~waterLevel~0 1)) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse14 (= ~systemActive~0 1))) (let ((.cse3 (< 3 (+ ~systemActive~0 |old(~waterLevel~0)|))) (.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (not .cse14)) (.cse6 (+ ~methaneLevelCritical~0 1)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse12 (and .cse0 .cse11 (= ~pumpRunning~0 1) .cse14 .cse8)) (.cse4 (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|)) (.cse2 (< (* 2 ~systemActive~0) 2)) (.cse5 (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (.cse9 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 1)) .cse2 (< |old(~waterLevel~0)| ~systemActive~0) .cse3) (or (<= 2 (+ ~pumpRunning~0 ~waterLevel~0)) (or (< .cse4 2) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0))) .cse5 .cse3 (< |old(~pumpRunning~0)| .cse6)) (or (and .cse7 .cse8) (not (= 0 |old(~pumpRunning~0)|)) .cse9 .cse10) (or (and .cse11 .cse7 .cse8) .cse10 .cse9 .cse1 .cse12) (or (let ((.cse13 (* 2 ~methaneLevelCritical~0))) (or (< .cse13 0) .cse10 (< (+ ~methaneLevelCritical~0 2) |old(~waterLevel~0)|) (< |old(~waterLevel~0)| .cse6) .cse1 (< 0 .cse13))) .cse12) (or (or (< .cse4 3) .cse2 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) .cse5) (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) .cse9)))) [2018-10-26 22:47:31,016 INFO L421 ceAbstractionStarter]: At program point L180(lines 180 186) the Hoare annotation is: (let ((.cse14 (= ~pumpRunning~0 1)) (.cse12 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse22 (= 0 ~pumpRunning~0)) (.cse24 (= ~systemActive~0 1)) (.cse23 (<= ~waterLevel~0 1)) (.cse15 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse25 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (* 2 |old(~pumpRunning~0)|))) (let ((.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse3 (< 3 (+ ~systemActive~0 |old(~waterLevel~0)|))) (.cse4 (+ ~methaneLevelCritical~0 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse2 (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1)) (.cse8 (< |old(~waterLevel~0)| ~systemActive~0)) (.cse10 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse11 (< 0 .cse1)) (.cse9 (not (= |old(~waterLevel~0)| 1))) (.cse17 (and .cse23 .cse15 .cse25)) (.cse18 (not .cse24)) (.cse20 (and .cse12 (not (= |old(~pumpRunning~0)| 0)) .cse22 .cse23 .cse24)) (.cse13 (not (= 1 |old(~pumpRunning~0)|))) (.cse21 (and .cse12 .cse23 .cse14 .cse24 .cse25)) (.cse0 (+ ~methaneLevelCritical~0 |old(~waterLevel~0)|)) (.cse7 (< (* 2 ~systemActive~0) 2)) (.cse16 (< 2 |old(~waterLevel~0)|))) (and (or (or (< .cse0 2) (< 2 .cse1) .cse2 .cse3 (< |old(~pumpRunning~0)| .cse4)) (<= .cse4 ~waterLevel~0)) (or .cse5 .cse6 .cse7 .cse8 .cse9 (< .cse10 1) .cse11) (or .cse12 .cse13 .cse6 .cse7 .cse8 .cse3) (or (and .cse14 .cse15) (not (= 0 |old(~pumpRunning~0)|)) .cse16 .cse17 .cse18) (or (let ((.cse19 (* 2 ~methaneLevelCritical~0))) (or (< .cse19 0) .cse18 (< (+ ~methaneLevelCritical~0 2) |old(~waterLevel~0)|) (< |old(~waterLevel~0)| .cse4) .cse13 (< 0 .cse19))) .cse20 .cse21) (or .cse5 (or (or .cse2 .cse8 (< .cse10 0) (not (= ~methaneLevelCritical~0 0)) .cse11) .cse9)) (or .cse17 .cse18 .cse20 .cse16 .cse13 (and .cse22 .cse23 .cse15) .cse21) (or (or (< .cse0 3) .cse7 (< |old(~pumpRunning~0)| ~methaneLevelCritical~0) (< 2 (+ |old(~pumpRunning~0)| ~systemActive~0))) (<= 2 (+ ~methaneLevelCritical~0 ~waterLevel~0)) .cse16)))) [2018-10-26 22:47:31,018 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 169 192) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse2 .cse1 .cse0 (not (= 1 |old(~pumpRunning~0)|))))) [2018-10-26 22:47:31,019 INFO L421 ceAbstractionStarter]: At program point L175(line 175) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (< 2 |old(~waterLevel~0)|))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 .cse0 (not (= 1 |old(~pumpRunning~0)|))))) [2018-10-26 22:47:31,019 INFO L425 ceAbstractionStarter]: For program point L173(lines 172 191) no Hoare annotation was computed. [2018-10-26 22:47:31,019 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 169 192) no Hoare annotation was computed. [2018-10-26 22:47:31,019 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 169 192) no Hoare annotation was computed. [2018-10-26 22:47:31,019 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 894 923) no Hoare annotation was computed. [2018-10-26 22:47:31,019 INFO L428 ceAbstractionStarter]: At program point L919(lines 894 923) the Hoare annotation is: true [2018-10-26 22:47:31,019 INFO L425 ceAbstractionStarter]: For program point L915(line 915) no Hoare annotation was computed. [2018-10-26 22:47:31,019 INFO L425 ceAbstractionStarter]: For program point L905(line 905) no Hoare annotation was computed. [2018-10-26 22:47:31,019 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 894 923) the Hoare annotation is: true [2018-10-26 22:47:31,019 INFO L425 ceAbstractionStarter]: For program point L908(lines 908 912) no Hoare annotation was computed. [2018-10-26 22:47:31,019 INFO L428 ceAbstractionStarter]: At program point L908-1(lines 908 912) the Hoare annotation is: true [2018-10-26 22:47:31,020 INFO L425 ceAbstractionStarter]: For program point L904-1(lines 904 918) no Hoare annotation was computed. [2018-10-26 22:47:31,020 INFO L428 ceAbstractionStarter]: At program point L904-3(lines 904 918) the Hoare annotation is: true [2018-10-26 22:47:31,020 INFO L428 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: true [2018-10-26 22:47:31,020 INFO L425 ceAbstractionStarter]: For program point L900-1(line 900) no Hoare annotation was computed. [2018-10-26 22:47:31,020 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 428 436) the Hoare annotation is: true [2018-10-26 22:47:31,020 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 428 436) no Hoare annotation was computed. [2018-10-26 22:47:31,020 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 428 436) no Hoare annotation was computed. [2018-10-26 22:47:31,020 INFO L425 ceAbstractionStarter]: For program point L512(lines 512 518) no Hoare annotation was computed. [2018-10-26 22:47:31,020 INFO L421 ceAbstractionStarter]: At program point L510(line 510) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (< 2 (+ ~pumpRunning~0 ~systemActive~0))) (.cse4 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 .cse2 .cse1) (or (and (<= (+ ~systemActive~0 __utac_acc__Specification3_spec__1_~tmp~6) 1) (<= 0 (* 2 __utac_acc__Specification3_spec__1_~tmp~6))) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) .cse3 .cse4 (< ~pumpRunning~0 (+ ~methaneLevelCritical~0 1))) (or (< (+ ~methaneLevelCritical~0 ~waterLevel~0) 3) (< (* 2 ~systemActive~0) 2) (< ~pumpRunning~0 ~methaneLevelCritical~0) .cse3 .cse4) (or (< 2 ~waterLevel~0) .cse2 .cse1 (= __utac_acc__Specification3_spec__1_~tmp___0~3 2)))) [2018-10-26 22:47:31,020 INFO L425 ceAbstractionStarter]: For program point L510-1(line 510) no Hoare annotation was computed. [2018-10-26 22:47:31,021 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 493 525) no Hoare annotation was computed. [2018-10-26 22:47:31,021 INFO L425 ceAbstractionStarter]: For program point L508(lines 508 521) no Hoare annotation was computed. [2018-10-26 22:47:31,021 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 493 525) no Hoare annotation was computed. [2018-10-26 22:47:31,021 INFO L421 ceAbstractionStarter]: At program point L506(line 506) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (< 1 ~waterLevel~0)) (.cse5 (not (= ~systemActive~0 1))) (.cse0 (+ ~methaneLevelCritical~0 ~waterLevel~0)) (.cse1 (< 2 (+ ~pumpRunning~0 ~systemActive~0))) (.cse2 (< 3 (+ ~systemActive~0 ~waterLevel~0)))) (and (or (and (<= (+ ~systemActive~0 __utac_acc__Specification3_spec__1_~tmp~6) 1) (<= 0 (* 2 __utac_acc__Specification3_spec__1_~tmp~6))) (< .cse0 2) (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2 (< ~pumpRunning~0 (+ ~methaneLevelCritical~0 1))) (or .cse3 .cse4 (not (= 1 ~pumpRunning~0)) .cse5) (or .cse3 .cse4 (not (= 0 ~pumpRunning~0)) .cse5) (or (< .cse0 3) (< (* 2 ~systemActive~0) 2) (< ~pumpRunning~0 ~methaneLevelCritical~0) .cse1 .cse2))) [2018-10-26 22:47:31,021 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 493 525) the Hoare annotation is: true [2018-10-26 22:47:31,021 INFO L425 ceAbstractionStarter]: For program point L506-1(line 506) no Hoare annotation was computed. [2018-10-26 22:47:31,021 INFO L425 ceAbstractionStarter]: For program point L502(lines 502 522) no Hoare annotation was computed. [2018-10-26 22:47:31,021 INFO L428 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: true [2018-10-26 22:47:31,021 INFO L425 ceAbstractionStarter]: For program point L500-1(line 500) no Hoare annotation was computed. [2018-10-26 22:47:31,021 INFO L421 ceAbstractionStarter]: At program point L516(line 516) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0) (or (< 2 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0))) [2018-10-26 22:47:31,022 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 392 403) the Hoare annotation is: (or (= ~waterLevel~0 |old(~waterLevel~0)|) (< 2 |old(~waterLevel~0)|) (not (= 1 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-10-26 22:47:31,022 INFO L425 ceAbstractionStarter]: For program point L396-1(lines 392 403) no Hoare annotation was computed. [2018-10-26 22:47:31,022 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 392 403) no Hoare annotation was computed. [2018-10-26 22:47:31,022 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:47:31,022 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 (+ ~methaneLevelCritical~0 ~systemActive~0)) (= 1 ~waterLevel~0) (<= (+ ~methaneLevelCritical~0 1) ~waterLevel~0) (<= ~systemActive~0 ~waterLevel~0) (= ~pumpRunning~0 0)) [2018-10-26 22:47:31,022 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 22:47:31,022 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:47:31,022 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 948 954) no Hoare annotation was computed. [2018-10-26 22:47:31,022 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 948 954) the Hoare annotation is: true [2018-10-26 22:47:31,022 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 201 225) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1))) [2018-10-26 22:47:31,022 INFO L421 ceAbstractionStarter]: At program point L220(line 220) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-10-26 22:47:31,023 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 201 225) no Hoare annotation was computed. [2018-10-26 22:47:31,023 INFO L425 ceAbstractionStarter]: For program point L220-1(lines 201 225) no Hoare annotation was computed. [2018-10-26 22:47:31,023 INFO L421 ceAbstractionStarter]: At program point L215(line 215) the Hoare annotation is: (let ((.cse1 (+ processEnvironment__wrappee__highWaterSensor_~tmp~1 1))) (let ((.cse0 (<= ~systemActive~0 .cse1)) (.cse2 (< ~waterLevel~0 ~systemActive~0)) (.cse3 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse4 (< 3 (+ ~systemActive~0 ~waterLevel~0))) (.cse5 (< 0 (* 2 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 1)))) (and (or (and .cse0 (<= .cse1 ~systemActive~0)) (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) .cse2 (< .cse3 0) (not (= ~methaneLevelCritical~0 0)) .cse4 .cse5)) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) (and (<= ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse6) (or (and .cse0 (<= (+ ~methaneLevelCritical~0 processEnvironment__wrappee__highWaterSensor_~tmp~1) 1)) (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse2 (< .cse3 1) .cse4 .cse5) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse6)))) [2018-10-26 22:47:31,023 INFO L421 ceAbstractionStarter]: At program point L211(line 211) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse2 (< ~waterLevel~0 ~systemActive~0)) (.cse4 (not (= ~waterLevel~0 1))) (.cse3 (+ |old(~pumpRunning~0)| ~methaneLevelCritical~0)) (.cse5 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 1) .cse1) (< 2 ~waterLevel~0) .cse0 (and (= processEnvironment__wrappee__highWaterSensor_~tmp~1 1) .cse1))) (or (< (+ ~methaneLevelCritical~0 ~systemActive~0) 1) .cse2 (< .cse3 0) (not (= ~methaneLevelCritical~0 0)) .cse4 .cse5) (or (not (= ~methaneLevelCritical~0 1)) (< (* 2 ~systemActive~0) 2) .cse2 .cse4 (< .cse3 1) .cse5))) [2018-10-26 22:47:31,023 INFO L425 ceAbstractionStarter]: For program point L209(lines 209 217) no Hoare annotation was computed. [2018-10-26 22:47:31,023 INFO L421 ceAbstractionStarter]: At program point L207(line 207) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-10-26 22:47:31,023 INFO L425 ceAbstractionStarter]: For program point L207-1(line 207) no Hoare annotation was computed. [2018-10-26 22:47:31,023 INFO L425 ceAbstractionStarter]: For program point L205(lines 205 222) no Hoare annotation was computed. [2018-10-26 22:47:31,023 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 404 415) no Hoare annotation was computed. [2018-10-26 22:47:31,024 INFO L425 ceAbstractionStarter]: For program point L408-1(lines 404 415) no Hoare annotation was computed. [2018-10-26 22:47:31,024 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 404 415) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or (< 1 |old(~waterLevel~0)|) (not (= 0 ~pumpRunning~0)) .cse0 .cse1) (or (or (not (= 1 ~pumpRunning~0)) .cse1) (< 2 |old(~waterLevel~0)|) .cse0))) [2018-10-26 22:47:31,031 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-10-26 22:47:31,031 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-10-26 22:47:31,031 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-10-26 22:47:31,031 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-10-26 22:47:31,031 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 227 251) no Hoare annotation was computed. [2018-10-26 22:47:31,031 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 227 251) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1))) [2018-10-26 22:47:31,031 INFO L421 ceAbstractionStarter]: At program point L246(line 246) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-10-26 22:47:31,032 INFO L425 ceAbstractionStarter]: For program point L246-1(lines 227 251) no Hoare annotation was computed. [2018-10-26 22:47:31,032 INFO L421 ceAbstractionStarter]: At program point L241(line 241) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0 (and (= 0 processEnvironment__wrappee__lowWaterSensor_~tmp~2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-10-26 22:47:31,032 INFO L421 ceAbstractionStarter]: At program point L237(line 237) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-10-26 22:47:31,032 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 243) no Hoare annotation was computed. [2018-10-26 22:47:31,032 INFO L421 ceAbstractionStarter]: At program point L233(line 233) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-10-26 22:47:31,032 INFO L425 ceAbstractionStarter]: For program point L233-1(line 233) no Hoare annotation was computed. [2018-10-26 22:47:31,032 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 248) no Hoare annotation was computed. [2018-10-26 22:47:31,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:47:31 BoogieIcfgContainer [2018-10-26 22:47:31,063 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:47:31,063 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:47:31,064 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:47:31,064 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:47:31,080 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:36:52" (3/4) ... [2018-10-26 22:47:31,083 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:47:31,088 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-10-26 22:47:31,088 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-10-26 22:47:31,088 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 22:47:31,088 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-10-26 22:47:31,088 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-10-26 22:47:31,088 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-10-26 22:47:31,088 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-10-26 22:47:31,088 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-10-26 22:47:31,089 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 22:47:31,089 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-10-26 22:47:31,089 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-10-26 22:47:31,089 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 22:47:31,089 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-10-26 22:47:31,089 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-10-26 22:47:31,089 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 22:47:31,089 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-10-26 22:47:31,089 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-10-26 22:47:31,089 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-10-26 22:47:31,089 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 22:47:31,089 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 22:47:31,090 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 22:47:31,090 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 22:47:31,090 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-10-26 22:47:31,090 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-10-26 22:47:31,090 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-10-26 22:47:31,091 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-10-26 22:47:31,091 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 22:47:31,091 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-10-26 22:47:31,091 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-10-26 22:47:31,111 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 140 nodes and edges [2018-10-26 22:47:31,113 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-26 22:47:31,113 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-10-26 22:47:31,146 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || 1 < \old(pumpRunning) + \old(waterLevel)) || \old(pumpRunning) + 1 < systemActive) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || systemActive + \old(methaneLevelCritical) < 1) || \old(waterLevel) < systemActive) || !(\old(methaneLevelCritical) == 0) [2018-10-26 22:47:31,146 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((systemActive + \old(methaneLevelCritical) < 1 || \old(waterLevel) < systemActive) || \old(pumpRunning) + \old(methaneLevelCritical) < 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) [2018-10-26 22:47:31,197 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_73dc1755-0b9f-4bf4-96e9-14fe7ac47fcf/bin-2019/utaipan/witness.graphml [2018-10-26 22:47:31,198 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:47:31,198 INFO L168 Benchmark]: Toolchain (without parser) took 640340.79 ms. Allocated memory was 1.0 GB in the beginning and 5.3 GB in the end (delta: 4.3 GB). Free memory was 962.4 MB in the beginning and 3.0 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. [2018-10-26 22:47:31,199 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:47:31,199 INFO L168 Benchmark]: CACSL2BoogieTranslator took 407.80 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 935.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:47:31,199 INFO L168 Benchmark]: Boogie Procedure Inliner took 167.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -195.6 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:47:31,200 INFO L168 Benchmark]: Boogie Preprocessor took 76.89 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. [2018-10-26 22:47:31,200 INFO L168 Benchmark]: RCFGBuilder took 1222.62 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: 89.5 MB). Peak memory consumption was 89.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:47:31,204 INFO L168 Benchmark]: TraceAbstraction took 638327.95 ms. Allocated memory was 1.2 GB in the beginning and 5.3 GB in the end (delta: 4.2 GB). Free memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. [2018-10-26 22:47:31,204 INFO L168 Benchmark]: Witness Printer took 134.18 ms. Allocated memory is still 5.3 GB. Free memory was 3.0 GB in the beginning and 3.0 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. [2018-10-26 22:47:31,206 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 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 407.80 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 935.5 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 167.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -195.6 MB). Peak memory consumption was 16.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 76.89 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. * RCFGBuilder took 1222.62 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: 89.5 MB). Peak memory consumption was 89.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 638327.95 ms. Allocated memory was 1.2 GB in the beginning and 5.3 GB in the end (delta: 4.2 GB). Free memory was 1.0 GB in the beginning and 3.0 GB in the end (delta: -1.9 GB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. * Witness Printer took 134.18 ms. Allocated memory is still 5.3 GB. Free memory was 3.0 GB in the beginning and 3.0 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 904]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 101]: Loop Invariant Derived loop invariant: (((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || 1 < \old(pumpRunning) + \old(waterLevel)) || \old(pumpRunning) + 1 < systemActive) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || systemActive + \old(methaneLevelCritical) < 1) || \old(waterLevel) < systemActive) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 894]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 100]: Loop Invariant Derived loop invariant: ((((systemActive + \old(methaneLevelCritical) < 1 || \old(waterLevel) < systemActive) || \old(pumpRunning) + \old(methaneLevelCritical) < 0) || !(\old(methaneLevelCritical) == 0)) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 164 locations, 1 error locations. SAFE Result, 638.2s OverallTime, 17 OverallIterations, 3 TraceHistogramMax, 279.5s AutomataDifference, 0.0s DeadEndRemovalTime, 36.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 3588 SDtfs, 4894 SDslu, 23042 SDs, 0 SdLazy, 13296 SolverSat, 1876 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 198.4s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 1325 GetRequests, 917 SyntacticMatches, 29 SemanticMatches, 379 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5811 ImplicationChecksByTransitivity, 17.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2116occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 229.1s AbstIntTime, 6 AbstIntIterations, 5 AbstIntStrong, 0.9942024062365902 AbsIntWeakeningRatio, 0.9052924791086351 AbsIntAvgWeakeningVarsNumRemoved, 4482.2646239554315 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 17 MinimizatonAttempts, 812 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 5237 PreInvPairs, 5653 NumberOfFragments, 2581 HoareAnnotationTreeSize, 5237 FomulaSimplifications, 356813 FormulaSimplificationTreeSizeReduction, 7.3s HoareSimplificationTime, 67 FomulaSimplificationsInter, 529785 FormulaSimplificationTreeSizeReductionInter, 29.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.2s InterpolantComputationTime, 2084 NumberOfCodeBlocks, 2084 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2234 ConstructedInterpolants, 0 QuantifiedInterpolants, 462597 SizeOfPredicates, 7 NumberOfNonLiveVariables, 818 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 19 InterpolantComputations, 11 PerfectInterpolantSequences, 311/346 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...