./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product45_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_55538c9e-9f30-460b-bc7a-68ae20ae8668/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_55538c9e-9f30-460b-bc7a-68ae20ae8668/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_55538c9e-9f30-460b-bc7a-68ae20ae8668/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_55538c9e-9f30-460b-bc7a-68ae20ae8668/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product45_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_55538c9e-9f30-460b-bc7a-68ae20ae8668/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_55538c9e-9f30-460b-bc7a-68ae20ae8668/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 8271090c98217a098933d4a7a6aa5b00a536c5c8 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 17:25:54,412 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 17:25:54,413 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 17:25:54,420 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 17:25:54,420 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 17:25:54,421 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 17:25:54,421 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 17:25:54,422 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 17:25:54,423 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 17:25:54,423 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 17:25:54,424 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 17:25:54,424 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 17:25:54,424 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 17:25:54,425 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 17:25:54,425 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 17:25:54,426 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 17:25:54,426 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 17:25:54,428 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 17:25:54,429 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 17:25:54,430 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 17:25:54,430 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 17:25:54,431 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 17:25:54,432 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 17:25:54,432 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 17:25:54,432 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 17:25:54,432 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 17:25:54,433 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 17:25:54,433 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 17:25:54,434 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 17:25:54,434 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 17:25:54,434 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 17:25:54,435 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 17:25:54,435 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 17:25:54,435 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 17:25:54,435 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 17:25:54,435 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 17:25:54,436 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_55538c9e-9f30-460b-bc7a-68ae20ae8668/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 17:25:54,442 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 17:25:54,442 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 17:25:54,443 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 17:25:54,443 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 17:25:54,443 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 17:25:54,443 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 17:25:54,443 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 17:25:54,443 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 17:25:54,443 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 17:25:54,443 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 17:25:54,444 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 17:25:54,444 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 17:25:54,444 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 17:25:54,444 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 17:25:54,444 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 17:25:54,444 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 17:25:54,444 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 17:25:54,444 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 17:25:54,445 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 17:25:54,445 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 17:25:54,445 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 17:25:54,445 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 17:25:54,445 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 17:25:54,445 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 17:25:54,445 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 17:25:54,445 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 17:25:54,445 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 17:25:54,445 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 17:25:54,445 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:25:54,446 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 17:25:54,446 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 17:25:54,446 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 17:25:54,446 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 17:25:54,446 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 17:25:54,446 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 17:25:54,446 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 17:25:54,446 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_55538c9e-9f30-460b-bc7a-68ae20ae8668/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 -> 8271090c98217a098933d4a7a6aa5b00a536c5c8 [2018-12-09 17:25:54,463 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 17:25:54,470 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 17:25:54,472 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 17:25:54,473 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 17:25:54,473 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 17:25:54,473 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_55538c9e-9f30-460b-bc7a-68ae20ae8668/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product45_true-unreach-call_false-termination.cil.c [2018-12-09 17:25:54,507 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55538c9e-9f30-460b-bc7a-68ae20ae8668/bin-2019/utaipan/data/89132df50/7b4fcc067d06410fa162425138d55a7f/FLAGa77d1b163 [2018-12-09 17:25:54,941 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 17:25:54,941 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_55538c9e-9f30-460b-bc7a-68ae20ae8668/sv-benchmarks/c/product-lines/minepump_spec3_product45_true-unreach-call_false-termination.cil.c [2018-12-09 17:25:54,948 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55538c9e-9f30-460b-bc7a-68ae20ae8668/bin-2019/utaipan/data/89132df50/7b4fcc067d06410fa162425138d55a7f/FLAGa77d1b163 [2018-12-09 17:25:54,956 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_55538c9e-9f30-460b-bc7a-68ae20ae8668/bin-2019/utaipan/data/89132df50/7b4fcc067d06410fa162425138d55a7f [2018-12-09 17:25:54,957 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 17:25:54,958 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 17:25:54,959 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 17:25:54,959 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 17:25:54,961 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 17:25:54,961 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:25:54" (1/1) ... [2018-12-09 17:25:54,963 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:25:54, skipping insertion in model container [2018-12-09 17:25:54,963 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:25:54" (1/1) ... [2018-12-09 17:25:54,967 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 17:25:54,987 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 17:25:55,133 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:25:55,179 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 17:25:55,233 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:25:55,247 INFO L195 MainTranslator]: Completed translation [2018-12-09 17:25:55,248 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:25:55 WrapperNode [2018-12-09 17:25:55,248 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 17:25:55,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 17:25:55,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 17:25:55,248 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 17:25:55,253 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:25:55" (1/1) ... [2018-12-09 17:25:55,262 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:25:55" (1/1) ... [2018-12-09 17:25:55,268 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 17:25:55,268 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 17:25:55,268 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 17:25:55,268 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 17:25:55,274 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:25:55" (1/1) ... [2018-12-09 17:25:55,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:25:55" (1/1) ... [2018-12-09 17:25:55,276 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:25:55" (1/1) ... [2018-12-09 17:25:55,276 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:25:55" (1/1) ... [2018-12-09 17:25:55,282 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:25:55" (1/1) ... [2018-12-09 17:25:55,286 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:25:55" (1/1) ... [2018-12-09 17:25:55,287 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:25:55" (1/1) ... [2018-12-09 17:25:55,289 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 17:25:55,289 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 17:25:55,289 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 17:25:55,289 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 17:25:55,290 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:25:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55538c9e-9f30-460b-bc7a-68ae20ae8668/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:25:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 17:25:55,321 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 17:25:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 17:25:55,321 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 17:25:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 17:25:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 17:25:55,321 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 17:25:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 17:25:55,321 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 17:25:55,321 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 17:25:55,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 17:25:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 17:25:55,322 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 17:25:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 17:25:55,322 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 17:25:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 17:25:55,322 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 17:25:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 17:25:55,322 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 17:25:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 17:25:55,322 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 17:25:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 17:25:55,322 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 17:25:55,322 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 17:25:55,323 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 17:25:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 17:25:55,323 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 17:25:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 17:25:55,323 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 17:25:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 17:25:55,323 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 17:25:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 17:25:55,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 17:25:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 17:25:55,323 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 17:25:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 17:25:55,323 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 17:25:55,323 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 17:25:55,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 17:25:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 17:25:55,324 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 17:25:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 17:25:55,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 17:25:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 17:25:55,324 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 17:25:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-09 17:25:55,324 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-09 17:25:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 17:25:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 17:25:55,324 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 17:25:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 17:25:55,324 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 17:25:55,324 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-09 17:25:55,325 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-09 17:25:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 17:25:55,325 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 17:25:55,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 17:25:55,325 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 17:25:55,625 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 17:25:55,625 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 17:25:55,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:25:55 BoogieIcfgContainer [2018-12-09 17:25:55,626 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 17:25:55,626 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 17:25:55,626 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 17:25:55,628 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 17:25:55,628 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:25:54" (1/3) ... [2018-12-09 17:25:55,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cffe6e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:25:55, skipping insertion in model container [2018-12-09 17:25:55,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:25:55" (2/3) ... [2018-12-09 17:25:55,629 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6cffe6e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:25:55, skipping insertion in model container [2018-12-09 17:25:55,629 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:25:55" (3/3) ... [2018-12-09 17:25:55,630 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product45_true-unreach-call_false-termination.cil.c [2018-12-09 17:25:55,636 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 17:25:55,641 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 17:25:55,649 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 17:25:55,668 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 17:25:55,668 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 17:25:55,669 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 17:25:55,669 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 17:25:55,669 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 17:25:55,669 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 17:25:55,669 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 17:25:55,669 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 17:25:55,680 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2018-12-09 17:25:55,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 17:25:55,686 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:25:55,686 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:25:55,688 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:25:55,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:25:55,691 INFO L82 PathProgramCache]: Analyzing trace with hash -1860578828, now seen corresponding path program 1 times [2018-12-09 17:25:55,692 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:25:55,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:25:55,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:25:55,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:25:55,720 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:25:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:25:55,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:25:55,827 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:25:55,828 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 17:25:55,828 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:25:55,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 17:25:55,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 17:25:55,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 17:25:55,839 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 2 states. [2018-12-09 17:25:55,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:25:55,862 INFO L93 Difference]: Finished difference Result 272 states and 339 transitions. [2018-12-09 17:25:55,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 17:25:55,863 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-09 17:25:55,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:25:55,869 INFO L225 Difference]: With dead ends: 272 [2018-12-09 17:25:55,870 INFO L226 Difference]: Without dead ends: 136 [2018-12-09 17:25:55,872 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 17:25:55,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-12-09 17:25:55,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-12-09 17:25:55,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-12-09 17:25:55,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 161 transitions. [2018-12-09 17:25:55,902 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 161 transitions. Word has length 52 [2018-12-09 17:25:55,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:25:55,902 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 161 transitions. [2018-12-09 17:25:55,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 17:25:55,903 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 161 transitions. [2018-12-09 17:25:55,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 17:25:55,904 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:25:55,904 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:25:55,905 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:25:55,905 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:25:55,905 INFO L82 PathProgramCache]: Analyzing trace with hash -1322586247, now seen corresponding path program 1 times [2018-12-09 17:25:55,905 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:25:55,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:25:55,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:25:55,906 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:25:55,906 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:25:55,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:25:55,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:25:55,954 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:25:55,954 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 17:25:55,954 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:25:55,955 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 17:25:55,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 17:25:55,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:25:55,956 INFO L87 Difference]: Start difference. First operand 136 states and 161 transitions. Second operand 3 states. [2018-12-09 17:25:55,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:25:55,974 INFO L93 Difference]: Finished difference Result 221 states and 261 transitions. [2018-12-09 17:25:55,975 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 17:25:55,975 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-09 17:25:55,975 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:25:55,976 INFO L225 Difference]: With dead ends: 221 [2018-12-09 17:25:55,976 INFO L226 Difference]: Without dead ends: 127 [2018-12-09 17:25:55,978 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:25:55,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-12-09 17:25:55,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-12-09 17:25:55,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-12-09 17:25:55,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 149 transitions. [2018-12-09 17:25:55,989 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 149 transitions. Word has length 53 [2018-12-09 17:25:55,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:25:55,989 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 149 transitions. [2018-12-09 17:25:55,989 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 17:25:55,989 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 149 transitions. [2018-12-09 17:25:55,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 17:25:55,991 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:25:55,991 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:25:55,991 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:25:55,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:25:55,991 INFO L82 PathProgramCache]: Analyzing trace with hash 462616749, now seen corresponding path program 1 times [2018-12-09 17:25:55,991 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:25:55,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:25:55,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:25:55,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:25:55,992 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:25:56,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:25:56,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:25:56,041 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:25:56,041 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 17:25:56,041 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:25:56,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 17:25:56,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 17:25:56,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:25:56,042 INFO L87 Difference]: Start difference. First operand 127 states and 149 transitions. Second operand 3 states. [2018-12-09 17:25:56,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:25:56,059 INFO L93 Difference]: Finished difference Result 230 states and 275 transitions. [2018-12-09 17:25:56,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 17:25:56,060 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2018-12-09 17:25:56,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:25:56,061 INFO L225 Difference]: With dead ends: 230 [2018-12-09 17:25:56,061 INFO L226 Difference]: Without dead ends: 127 [2018-12-09 17:25:56,062 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:25:56,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-12-09 17:25:56,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-12-09 17:25:56,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-12-09 17:25:56,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 148 transitions. [2018-12-09 17:25:56,072 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 148 transitions. Word has length 57 [2018-12-09 17:25:56,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:25:56,072 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 148 transitions. [2018-12-09 17:25:56,073 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 17:25:56,073 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 148 transitions. [2018-12-09 17:25:56,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 17:25:56,074 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:25:56,075 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:25:56,075 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:25:56,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:25:56,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1347282160, now seen corresponding path program 1 times [2018-12-09 17:25:56,075 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:25:56,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:25:56,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:25:56,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:25:56,076 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:25:56,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:25:56,154 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:25:56,154 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:25:56,154 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 17:25:56,154 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:25:56,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 17:25:56,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 17:25:56,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 17:25:56,155 INFO L87 Difference]: Start difference. First operand 127 states and 148 transitions. Second operand 5 states. [2018-12-09 17:25:56,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:25:56,477 INFO L93 Difference]: Finished difference Result 343 states and 414 transitions. [2018-12-09 17:25:56,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 17:25:56,478 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-09 17:25:56,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:25:56,480 INFO L225 Difference]: With dead ends: 343 [2018-12-09 17:25:56,480 INFO L226 Difference]: Without dead ends: 240 [2018-12-09 17:25:56,481 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 17:25:56,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-12-09 17:25:56,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 222. [2018-12-09 17:25:56,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-12-09 17:25:56,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 254 transitions. [2018-12-09 17:25:56,500 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 254 transitions. Word has length 70 [2018-12-09 17:25:56,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:25:56,501 INFO L480 AbstractCegarLoop]: Abstraction has 222 states and 254 transitions. [2018-12-09 17:25:56,501 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 17:25:56,501 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 254 transitions. [2018-12-09 17:25:56,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 17:25:56,502 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:25:56,502 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:25:56,502 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:25:56,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:25:56,503 INFO L82 PathProgramCache]: Analyzing trace with hash -1274279089, now seen corresponding path program 1 times [2018-12-09 17:25:56,503 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:25:56,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:25:56,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:25:56,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:25:56,504 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:25:56,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:25:56,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:25:56,572 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:25:56,572 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 17:25:56,572 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:25:56,573 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 17:25:56,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 17:25:56,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 17:25:56,574 INFO L87 Difference]: Start difference. First operand 222 states and 254 transitions. Second operand 6 states. [2018-12-09 17:25:56,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:25:56,706 INFO L93 Difference]: Finished difference Result 546 states and 657 transitions. [2018-12-09 17:25:56,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 17:25:56,706 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-09 17:25:56,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:25:56,709 INFO L225 Difference]: With dead ends: 546 [2018-12-09 17:25:56,709 INFO L226 Difference]: Without dead ends: 348 [2018-12-09 17:25:56,710 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 17:25:56,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2018-12-09 17:25:56,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 344. [2018-12-09 17:25:56,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2018-12-09 17:25:56,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 400 transitions. [2018-12-09 17:25:56,729 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 400 transitions. Word has length 84 [2018-12-09 17:25:56,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:25:56,729 INFO L480 AbstractCegarLoop]: Abstraction has 344 states and 400 transitions. [2018-12-09 17:25:56,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 17:25:56,730 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 400 transitions. [2018-12-09 17:25:56,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 17:25:56,730 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:25:56,731 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:25:56,731 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:25:56,731 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:25:56,731 INFO L82 PathProgramCache]: Analyzing trace with hash 1982194633, now seen corresponding path program 1 times [2018-12-09 17:25:56,731 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:25:56,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:25:56,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:25:56,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:25:56,732 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:25:56,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:25:56,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:25:56,803 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:25:56,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 17:25:56,803 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:25:56,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 17:25:56,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 17:25:56,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 17:25:56,804 INFO L87 Difference]: Start difference. First operand 344 states and 400 transitions. Second operand 6 states. [2018-12-09 17:25:56,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:25:56,922 INFO L93 Difference]: Finished difference Result 735 states and 889 transitions. [2018-12-09 17:25:56,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 17:25:56,923 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-09 17:25:56,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:25:56,925 INFO L225 Difference]: With dead ends: 735 [2018-12-09 17:25:56,925 INFO L226 Difference]: Without dead ends: 537 [2018-12-09 17:25:56,925 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 17:25:56,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2018-12-09 17:25:56,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 519. [2018-12-09 17:25:56,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 519 states. [2018-12-09 17:25:56,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 617 transitions. [2018-12-09 17:25:56,945 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 617 transitions. Word has length 88 [2018-12-09 17:25:56,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:25:56,945 INFO L480 AbstractCegarLoop]: Abstraction has 519 states and 617 transitions. [2018-12-09 17:25:56,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 17:25:56,945 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 617 transitions. [2018-12-09 17:25:56,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 17:25:56,946 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:25:56,946 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:25:56,946 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:25:56,946 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:25:56,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1059511050, now seen corresponding path program 1 times [2018-12-09 17:25:56,947 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:25:56,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:25:56,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:25:56,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:25:56,947 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:25:56,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:25:56,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:25:56,978 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:25:56,978 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 17:25:56,978 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:25:56,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 17:25:56,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 17:25:56,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 17:25:56,979 INFO L87 Difference]: Start difference. First operand 519 states and 617 transitions. Second operand 5 states. [2018-12-09 17:25:56,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:25:56,998 INFO L93 Difference]: Finished difference Result 902 states and 1094 transitions. [2018-12-09 17:25:56,998 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 17:25:56,999 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2018-12-09 17:25:56,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:25:57,001 INFO L225 Difference]: With dead ends: 902 [2018-12-09 17:25:57,001 INFO L226 Difference]: Without dead ends: 529 [2018-12-09 17:25:57,002 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 17:25:57,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2018-12-09 17:25:57,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 523. [2018-12-09 17:25:57,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 523 states. [2018-12-09 17:25:57,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 523 states and 620 transitions. [2018-12-09 17:25:57,022 INFO L78 Accepts]: Start accepts. Automaton has 523 states and 620 transitions. Word has length 88 [2018-12-09 17:25:57,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:25:57,022 INFO L480 AbstractCegarLoop]: Abstraction has 523 states and 620 transitions. [2018-12-09 17:25:57,022 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 17:25:57,022 INFO L276 IsEmpty]: Start isEmpty. Operand 523 states and 620 transitions. [2018-12-09 17:25:57,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 17:25:57,024 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:25:57,024 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:25:57,024 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:25:57,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:25:57,024 INFO L82 PathProgramCache]: Analyzing trace with hash 215505548, now seen corresponding path program 1 times [2018-12-09 17:25:57,025 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:25:57,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:25:57,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:25:57,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:25:57,025 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:25:57,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:25:57,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:25:57,098 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:25:57,098 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 17:25:57,098 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:25:57,098 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 17:25:57,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 17:25:57,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 17:25:57,098 INFO L87 Difference]: Start difference. First operand 523 states and 620 transitions. Second operand 9 states. [2018-12-09 17:25:57,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:25:57,136 INFO L93 Difference]: Finished difference Result 1039 states and 1258 transitions. [2018-12-09 17:25:57,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 17:25:57,137 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2018-12-09 17:25:57,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:25:57,138 INFO L225 Difference]: With dead ends: 1039 [2018-12-09 17:25:57,138 INFO L226 Difference]: Without dead ends: 540 [2018-12-09 17:25:57,139 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-09 17:25:57,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2018-12-09 17:25:57,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 530. [2018-12-09 17:25:57,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 530 states. [2018-12-09 17:25:57,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 627 transitions. [2018-12-09 17:25:57,155 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 627 transitions. Word has length 88 [2018-12-09 17:25:57,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:25:57,155 INFO L480 AbstractCegarLoop]: Abstraction has 530 states and 627 transitions. [2018-12-09 17:25:57,155 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 17:25:57,155 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 627 transitions. [2018-12-09 17:25:57,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-09 17:25:57,156 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:25:57,156 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:25:57,156 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:25:57,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:25:57,156 INFO L82 PathProgramCache]: Analyzing trace with hash -1682882973, now seen corresponding path program 1 times [2018-12-09 17:25:57,157 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:25:57,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:25:57,157 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:25:57,157 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:25:57,157 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:25:57,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:25:57,210 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 17:25:57,210 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:25:57,210 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:25:57,211 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 101 with the following transitions: [2018-12-09 17:25:57,212 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [37], [38], [39], [42], [44], [45], [48], [63], [66], [67], [71], [72], [74], [83], [87], [91], [94], [99], [105], [107], [110], [127], [128], [129], [131], [134], [139], [140], [142], [147], [149], [150], [151], [152], [165], [169], [202], [203], [204], [206], [211], [213], [216], [218], [223], [237], [243], [247], [248], [251], [252], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [264], [269], [271], [272], [279], [280], [281], [282], [285], [289], [290], [293], [294], [297], [298], [299], [305], [306], [307], [308], [309], [310], [311], [313], [314], [315] [2018-12-09 17:25:57,235 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:25:57,235 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:25:57,529 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 17:25:57,530 INFO L272 AbstractInterpreter]: Visited 72 different actions 72 times. Never merged. Never widened. Performed 2465 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2465 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-09 17:25:57,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:25:57,535 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 17:25:57,693 INFO L227 lantSequenceWeakener]: Weakened 70 states. On average, predicates are now at 96.71% of their original sizes. [2018-12-09 17:25:57,693 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 17:25:57,780 INFO L418 sIntCurrentIteration]: We unified 99 AI predicates to 99 [2018-12-09 17:25:57,780 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 17:25:57,780 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 17:25:57,781 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [9] total 22 [2018-12-09 17:25:57,781 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:25:57,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 17:25:57,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 17:25:57,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2018-12-09 17:25:57,782 INFO L87 Difference]: Start difference. First operand 530 states and 627 transitions. Second operand 15 states. [2018-12-09 17:25:59,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:25:59,509 INFO L93 Difference]: Finished difference Result 1163 states and 1400 transitions. [2018-12-09 17:25:59,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-09 17:25:59,509 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 100 [2018-12-09 17:25:59,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:25:59,512 INFO L225 Difference]: With dead ends: 1163 [2018-12-09 17:25:59,512 INFO L226 Difference]: Without dead ends: 657 [2018-12-09 17:25:59,514 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 108 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=467, Unknown=0, NotChecked=0, Total=552 [2018-12-09 17:25:59,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 657 states. [2018-12-09 17:25:59,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 657 to 653. [2018-12-09 17:25:59,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 653 states. [2018-12-09 17:25:59,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 653 states to 653 states and 772 transitions. [2018-12-09 17:25:59,533 INFO L78 Accepts]: Start accepts. Automaton has 653 states and 772 transitions. Word has length 100 [2018-12-09 17:25:59,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:25:59,533 INFO L480 AbstractCegarLoop]: Abstraction has 653 states and 772 transitions. [2018-12-09 17:25:59,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 17:25:59,534 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 772 transitions. [2018-12-09 17:25:59,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 17:25:59,535 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:25:59,535 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:25:59,535 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:25:59,536 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:25:59,536 INFO L82 PathProgramCache]: Analyzing trace with hash -506496737, now seen corresponding path program 1 times [2018-12-09 17:25:59,536 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:25:59,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:25:59,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:25:59,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:25:59,537 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:25:59,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:25:59,599 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 17:25:59,599 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:25:59,599 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 17:25:59,600 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:25:59,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 17:25:59,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 17:25:59,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 17:25:59,600 INFO L87 Difference]: Start difference. First operand 653 states and 772 transitions. Second operand 10 states. [2018-12-09 17:25:59,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:25:59,730 INFO L93 Difference]: Finished difference Result 1614 states and 1972 transitions. [2018-12-09 17:25:59,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 17:25:59,731 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2018-12-09 17:25:59,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:25:59,734 INFO L225 Difference]: With dead ends: 1614 [2018-12-09 17:25:59,734 INFO L226 Difference]: Without dead ends: 1108 [2018-12-09 17:25:59,735 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-09 17:25:59,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1108 states. [2018-12-09 17:25:59,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1108 to 1090. [2018-12-09 17:25:59,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1090 states. [2018-12-09 17:25:59,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 1090 states and 1293 transitions. [2018-12-09 17:25:59,765 INFO L78 Accepts]: Start accepts. Automaton has 1090 states and 1293 transitions. Word has length 104 [2018-12-09 17:25:59,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:25:59,765 INFO L480 AbstractCegarLoop]: Abstraction has 1090 states and 1293 transitions. [2018-12-09 17:25:59,765 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 17:25:59,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1090 states and 1293 transitions. [2018-12-09 17:25:59,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 17:25:59,766 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:25:59,767 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:25:59,767 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:25:59,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:25:59,767 INFO L82 PathProgramCache]: Analyzing trace with hash 904531589, now seen corresponding path program 1 times [2018-12-09 17:25:59,767 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:25:59,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:25:59,768 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:25:59,768 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:25:59,768 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:25:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:25:59,834 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 17:25:59,834 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:25:59,834 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 17:25:59,834 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:25:59,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 17:25:59,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 17:25:59,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 17:25:59,835 INFO L87 Difference]: Start difference. First operand 1090 states and 1293 transitions. Second operand 10 states. [2018-12-09 17:25:59,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:25:59,962 INFO L93 Difference]: Finished difference Result 2039 states and 2424 transitions. [2018-12-09 17:25:59,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 17:25:59,963 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 104 [2018-12-09 17:25:59,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:25:59,965 INFO L225 Difference]: With dead ends: 2039 [2018-12-09 17:25:59,965 INFO L226 Difference]: Without dead ends: 1096 [2018-12-09 17:25:59,967 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-09 17:25:59,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1096 states. [2018-12-09 17:25:59,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1096 to 1068. [2018-12-09 17:25:59,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1068 states. [2018-12-09 17:25:59,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1068 states to 1068 states and 1231 transitions. [2018-12-09 17:25:59,994 INFO L78 Accepts]: Start accepts. Automaton has 1068 states and 1231 transitions. Word has length 104 [2018-12-09 17:25:59,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:25:59,994 INFO L480 AbstractCegarLoop]: Abstraction has 1068 states and 1231 transitions. [2018-12-09 17:25:59,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 17:25:59,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1231 transitions. [2018-12-09 17:25:59,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-09 17:25:59,996 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:25:59,996 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:25:59,996 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:25:59,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:25:59,996 INFO L82 PathProgramCache]: Analyzing trace with hash 548965287, now seen corresponding path program 1 times [2018-12-09 17:25:59,996 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:25:59,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:25:59,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:25:59,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:25:59,997 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:26:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:00,032 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 17:26:00,032 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:26:00,032 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:26:00,032 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 148 with the following transitions: [2018-12-09 17:26:00,032 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [37], [38], [39], [42], [44], [45], [46], [47], [48], [51], [53], [56], [63], [66], [67], [70], [72], [74], [83], [87], [91], [97], [99], [105], [107], [110], [125], [126], [127], [128], [129], [131], [136], [139], [140], [142], [145], [149], [150], [151], [152], [162], [165], [169], [175], [202], [203], [204], [206], [209], [211], [213], [216], [218], [223], [229], [232], [236], [237], [248], [251], [252], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [264], [269], [271], [272], [273], [274], [275], [276], [279], [280], [285], [286], [289], [290], [291], [292], [293], [294], [295], [296], [297], [298], [299], [300], [305], [306], [307], [308], [309], [310], [311], [313], [314], [315] [2018-12-09 17:26:00,034 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:26:00,035 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:26:00,161 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 17:26:00,162 INFO L272 AbstractInterpreter]: Visited 93 different actions 95 times. Never merged. Never widened. Performed 2862 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2862 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-09 17:26:00,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:26:00,167 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 17:26:00,326 INFO L227 lantSequenceWeakener]: Weakened 114 states. On average, predicates are now at 96.74% of their original sizes. [2018-12-09 17:26:00,326 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 17:26:00,506 INFO L418 sIntCurrentIteration]: We unified 146 AI predicates to 146 [2018-12-09 17:26:00,506 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 17:26:00,506 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 17:26:00,506 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [27] imperfect sequences [6] total 31 [2018-12-09 17:26:00,506 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:26:00,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-12-09 17:26:00,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-12-09 17:26:00,507 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=614, Unknown=0, NotChecked=0, Total=702 [2018-12-09 17:26:00,507 INFO L87 Difference]: Start difference. First operand 1068 states and 1231 transitions. Second operand 27 states. [2018-12-09 17:26:03,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:26:03,371 INFO L93 Difference]: Finished difference Result 2159 states and 2506 transitions. [2018-12-09 17:26:03,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-09 17:26:03,371 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 147 [2018-12-09 17:26:03,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:26:03,374 INFO L225 Difference]: With dead ends: 2159 [2018-12-09 17:26:03,374 INFO L226 Difference]: Without dead ends: 1115 [2018-12-09 17:26:03,375 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 159 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=176, Invalid=1384, Unknown=0, NotChecked=0, Total=1560 [2018-12-09 17:26:03,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2018-12-09 17:26:03,399 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 1099. [2018-12-09 17:26:03,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1099 states. [2018-12-09 17:26:03,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 1099 states and 1258 transitions. [2018-12-09 17:26:03,401 INFO L78 Accepts]: Start accepts. Automaton has 1099 states and 1258 transitions. Word has length 147 [2018-12-09 17:26:03,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:26:03,401 INFO L480 AbstractCegarLoop]: Abstraction has 1099 states and 1258 transitions. [2018-12-09 17:26:03,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-12-09 17:26:03,401 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1258 transitions. [2018-12-09 17:26:03,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-09 17:26:03,403 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:26:03,404 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 17:26:03,404 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:26:03,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:26:03,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1634082263, now seen corresponding path program 1 times [2018-12-09 17:26:03,404 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:26:03,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:26:03,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:26:03,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:26:03,405 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:26:03,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:03,443 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 17:26:03,443 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:26:03,443 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:26:03,443 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-12-09 17:26:03,443 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [37], [38], [39], [42], [44], [45], [46], [47], [48], [51], [53], [56], [63], [66], [67], [70], [72], [74], [83], [87], [91], [97], [99], [105], [107], [110], [125], [126], [127], [128], [129], [131], [136], [139], [140], [142], [145], [149], [150], [151], [152], [162], [165], [169], [175], [202], [203], [204], [206], [211], [213], [216], [218], [223], [227], [229], [232], [236], [237], [248], [251], [252], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [264], [269], [271], [272], [273], [274], [275], [276], [279], [280], [285], [286], [289], [290], [291], [292], [293], [294], [295], [296], [297], [298], [299], [300], [305], [306], [307], [308], [309], [310], [311], [313], [314], [315] [2018-12-09 17:26:03,445 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:26:03,445 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:26:03,726 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 17:26:03,726 INFO L272 AbstractInterpreter]: Visited 105 different actions 253 times. Merged at 14 different actions 14 times. Never widened. Performed 7453 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7453 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 1 different actions. Largest state had 132 variables. [2018-12-09 17:26:03,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:26:03,728 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 17:26:03,960 INFO L227 lantSequenceWeakener]: Weakened 139 states. On average, predicates are now at 96.8% of their original sizes. [2018-12-09 17:26:03,960 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 17:26:04,261 INFO L418 sIntCurrentIteration]: We unified 152 AI predicates to 152 [2018-12-09 17:26:04,261 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 17:26:04,261 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 17:26:04,261 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [39] imperfect sequences [6] total 43 [2018-12-09 17:26:04,261 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:26:04,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-12-09 17:26:04,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-12-09 17:26:04,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=1337, Unknown=0, NotChecked=0, Total=1482 [2018-12-09 17:26:04,262 INFO L87 Difference]: Start difference. First operand 1099 states and 1258 transitions. Second operand 39 states. [2018-12-09 17:26:09,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:26:09,021 INFO L93 Difference]: Finished difference Result 1929 states and 2246 transitions. [2018-12-09 17:26:09,021 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-12-09 17:26:09,021 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 153 [2018-12-09 17:26:09,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:26:09,025 INFO L225 Difference]: With dead ends: 1929 [2018-12-09 17:26:09,025 INFO L226 Difference]: Without dead ends: 1250 [2018-12-09 17:26:09,027 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 171 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 873 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=300, Invalid=3006, Unknown=0, NotChecked=0, Total=3306 [2018-12-09 17:26:09,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1250 states. [2018-12-09 17:26:09,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1250 to 1215. [2018-12-09 17:26:09,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1215 states. [2018-12-09 17:26:09,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1386 transitions. [2018-12-09 17:26:09,078 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1386 transitions. Word has length 153 [2018-12-09 17:26:09,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:26:09,079 INFO L480 AbstractCegarLoop]: Abstraction has 1215 states and 1386 transitions. [2018-12-09 17:26:09,079 INFO L481 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-12-09 17:26:09,079 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1386 transitions. [2018-12-09 17:26:09,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-09 17:26:09,082 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:26:09,082 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:26:09,083 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:26:09,083 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:26:09,083 INFO L82 PathProgramCache]: Analyzing trace with hash -339982134, now seen corresponding path program 1 times [2018-12-09 17:26:09,083 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:26:09,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:26:09,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:26:09,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:26:09,084 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:26:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:09,147 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 19 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 17:26:09,147 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:26:09,148 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:26:09,148 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 152 with the following transitions: [2018-12-09 17:26:09,148 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [37], [38], [39], [42], [44], [45], [46], [47], [48], [51], [53], [56], [63], [66], [67], [71], [72], [74], [83], [87], [91], [94], [97], [99], [105], [107], [110], [125], [126], [127], [128], [129], [131], [136], [139], [140], [142], [147], [149], [150], [151], [152], [162], [165], [169], [175], [202], [203], [204], [206], [209], [211], [213], [216], [218], [223], [229], [232], [236], [237], [243], [247], [248], [251], [252], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [264], [269], [271], [272], [273], [274], [275], [276], [279], [280], [281], [282], [285], [286], [289], [290], [291], [292], [293], [294], [295], [296], [297], [298], [299], [300], [305], [306], [307], [308], [309], [310], [311], [313], [314], [315] [2018-12-09 17:26:09,151 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:26:09,151 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:26:09,363 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:26:09,363 INFO L272 AbstractInterpreter]: Visited 106 different actions 128 times. Merged at 5 different actions 5 times. Never widened. Performed 6561 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6561 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-09 17:26:09,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:26:09,365 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:26:09,365 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:26:09,365 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55538c9e-9f30-460b-bc7a-68ae20ae8668/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 17:26:09,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:26:09,372 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:26:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:09,452 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:26:09,601 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 25 proven. 8 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 17:26:09,601 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:26:09,896 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 17:26:09,912 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 17:26:09,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 11] total 20 [2018-12-09 17:26:09,912 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 17:26:09,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 17:26:09,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 17:26:09,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2018-12-09 17:26:09,913 INFO L87 Difference]: Start difference. First operand 1215 states and 1386 transitions. Second operand 15 states. [2018-12-09 17:26:11,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:26:11,320 INFO L93 Difference]: Finished difference Result 2834 states and 3644 transitions. [2018-12-09 17:26:11,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-12-09 17:26:11,320 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 151 [2018-12-09 17:26:11,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:26:11,325 INFO L225 Difference]: With dead ends: 2834 [2018-12-09 17:26:11,325 INFO L226 Difference]: Without dead ends: 1643 [2018-12-09 17:26:11,327 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 292 SyntacticMatches, 12 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 516 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=484, Invalid=1868, Unknown=0, NotChecked=0, Total=2352 [2018-12-09 17:26:11,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1643 states. [2018-12-09 17:26:11,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1643 to 1201. [2018-12-09 17:26:11,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1201 states. [2018-12-09 17:26:11,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1201 states and 1334 transitions. [2018-12-09 17:26:11,367 INFO L78 Accepts]: Start accepts. Automaton has 1201 states and 1334 transitions. Word has length 151 [2018-12-09 17:26:11,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:26:11,367 INFO L480 AbstractCegarLoop]: Abstraction has 1201 states and 1334 transitions. [2018-12-09 17:26:11,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 17:26:11,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1334 transitions. [2018-12-09 17:26:11,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-09 17:26:11,369 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:26:11,370 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:26:11,370 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:26:11,370 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:26:11,370 INFO L82 PathProgramCache]: Analyzing trace with hash 2012697792, now seen corresponding path program 1 times [2018-12-09 17:26:11,370 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:26:11,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:26:11,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:26:11,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:26:11,371 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:26:11,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:11,437 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 17:26:11,437 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:26:11,437 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:26:11,437 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 159 with the following transitions: [2018-12-09 17:26:11,437 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [29], [36], [37], [38], [39], [42], [44], [45], [48], [63], [66], [67], [70], [71], [72], [73], [74], [83], [87], [91], [94], [97], [99], [102], [107], [110], [127], [128], [129], [131], [134], [139], [140], [142], [145], [147], [149], [150], [151], [152], [155], [157], [159], [165], [169], [175], [202], [203], [204], [206], [209], [211], [213], [216], [218], [223], [229], [237], [243], [247], [248], [251], [252], [253], [254], [255], [256], [257], [258], [259], [261], [262], [263], [264], [265], [266], [269], [271], [272], [279], [280], [281], [282], [283], [284], [285], [286], [289], [290], [293], [294], [297], [298], [299], [300], [305], [306], [307], [308], [309], [310], [311], [313], [314], [315] [2018-12-09 17:26:11,438 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:26:11,438 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:26:12,972 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:26:12,972 INFO L272 AbstractInterpreter]: Visited 115 different actions 828 times. Merged at 34 different actions 181 times. Widened at 1 different actions 2 times. Performed 45260 root evaluator evaluations with a maximum evaluation depth of 3. Performed 45260 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 30 fixpoints after 8 different actions. Largest state had 132 variables. [2018-12-09 17:26:12,974 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:26:12,974 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:26:12,974 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:26:12,974 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55538c9e-9f30-460b-bc7a-68ae20ae8668/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 17:26:12,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:26:12,980 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:26:13,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:13,045 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:26:13,096 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 17:26:13,097 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:26:13,321 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 17:26:13,336 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 17:26:13,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2018-12-09 17:26:13,337 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:26:13,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 17:26:13,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 17:26:13,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-12-09 17:26:13,337 INFO L87 Difference]: Start difference. First operand 1201 states and 1334 transitions. Second operand 8 states. [2018-12-09 17:26:13,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:26:13,526 INFO L93 Difference]: Finished difference Result 2082 states and 2335 transitions. [2018-12-09 17:26:13,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 17:26:13,526 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 158 [2018-12-09 17:26:13,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:26:13,527 INFO L225 Difference]: With dead ends: 2082 [2018-12-09 17:26:13,527 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 17:26:13,530 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 324 GetRequests, 301 SyntacticMatches, 6 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-12-09 17:26:13,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 17:26:13,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 17:26:13,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 17:26:13,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 17:26:13,530 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 158 [2018-12-09 17:26:13,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:26:13,531 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 17:26:13,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 17:26:13,531 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 17:26:13,531 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 17:26:13,535 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 17:26:13,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,806 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,890 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:13,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:26:14,482 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 29 [2018-12-09 17:26:14,789 WARN L180 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 47 [2018-12-09 17:26:15,068 WARN L180 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 61 [2018-12-09 17:26:15,278 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 32 [2018-12-09 17:26:15,717 WARN L180 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 65 [2018-12-09 17:26:15,839 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 43 [2018-12-09 17:26:16,180 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 40 [2018-12-09 17:26:17,168 WARN L180 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 63 [2018-12-09 17:26:17,294 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 559 565) the Hoare annotation is: true [2018-12-09 17:26:17,294 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 559 565) no Hoare annotation was computed. [2018-12-09 17:26:17,294 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 566 574) no Hoare annotation was computed. [2018-12-09 17:26:17,294 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 566 574) the Hoare annotation is: true [2018-12-09 17:26:17,294 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 566 574) no Hoare annotation was computed. [2018-12-09 17:26:17,294 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 255 277) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0))) [2018-12-09 17:26:17,294 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 255 277) no Hoare annotation was computed. [2018-12-09 17:26:17,294 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 255 277) no Hoare annotation was computed. [2018-12-09 17:26:17,294 INFO L444 ceAbstractionStarter]: At program point L267(line 267) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= main_~tmp~1 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:26:17,294 INFO L444 ceAbstractionStarter]: At program point L267-1(line 267) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= main_~tmp~1 1) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:26:17,294 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 272) no Hoare annotation was computed. [2018-12-09 17:26:17,294 INFO L448 ceAbstractionStarter]: For program point L265-1(lines 265 272) no Hoare annotation was computed. [2018-12-09 17:26:17,295 INFO L448 ceAbstractionStarter]: For program point L263(line 263) no Hoare annotation was computed. [2018-12-09 17:26:17,295 INFO L444 ceAbstractionStarter]: At program point L262(line 262) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0))) [2018-12-09 17:26:17,295 INFO L444 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0))) [2018-12-09 17:26:17,295 INFO L444 ceAbstractionStarter]: At program point L261-1(line 261) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0))) [2018-12-09 17:26:17,295 INFO L448 ceAbstractionStarter]: For program point L322-1(line 322) no Hoare annotation was computed. [2018-12-09 17:26:17,295 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 337) no Hoare annotation was computed. [2018-12-09 17:26:17,295 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 316 340) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse3 .cse1 .cse2 .cse5 .cse4) (or .cse0 .cse6 .cse7 .cse8 .cse4) (or .cse6 .cse7 .cse8 .cse5 .cse4))) [2018-12-09 17:26:17,295 INFO L444 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse4) (or .cse6 .cse7 .cse5 .cse4) (or .cse0 .cse6 .cse7 .cse4))) [2018-12-09 17:26:17,295 INFO L448 ceAbstractionStarter]: For program point L335-1(lines 316 340) no Hoare annotation was computed. [2018-12-09 17:26:17,295 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 316 340) no Hoare annotation was computed. [2018-12-09 17:26:17,295 INFO L444 ceAbstractionStarter]: At program point L330(line 330) the Hoare annotation is: (let ((.cse2 (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse5 .cse0 .cse1 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse6 .cse7 .cse3 .cse4))) [2018-12-09 17:26:17,295 INFO L444 ceAbstractionStarter]: At program point L326(line 326) the Hoare annotation is: (let ((.cse9 (= 0 ~pumpRunning~0))) (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse8 (and .cse9 (<= ~waterLevel~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse6 (and .cse9 (= processEnvironment__wrappee__methaneQuery_~tmp~2 1))) (.cse3 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse4 .cse3) (or .cse5 .cse6 .cse7 .cse8 .cse4 .cse3) (or .cse0 .cse8 .cse5 .cse7 .cse6 .cse3)))) [2018-12-09 17:26:17,295 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 332) no Hoare annotation was computed. [2018-12-09 17:26:17,296 INFO L444 ceAbstractionStarter]: At program point L322(line 322) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse3 .cse1 .cse2 .cse7 .cse4))) [2018-12-09 17:26:17,296 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 411 419) no Hoare annotation was computed. [2018-12-09 17:26:17,296 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 411 419) the Hoare annotation is: true [2018-12-09 17:26:17,296 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 411 419) no Hoare annotation was computed. [2018-12-09 17:26:17,296 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 552 558) no Hoare annotation was computed. [2018-12-09 17:26:17,296 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 552 558) the Hoare annotation is: true [2018-12-09 17:26:17,296 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 242 251) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0))) [2018-12-09 17:26:17,296 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 242 251) no Hoare annotation was computed. [2018-12-09 17:26:17,296 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 242 251) no Hoare annotation was computed. [2018-12-09 17:26:17,296 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 400 410) the Hoare annotation is: true [2018-12-09 17:26:17,296 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 400 410) no Hoare annotation was computed. [2018-12-09 17:26:17,296 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 400 410) no Hoare annotation was computed. [2018-12-09 17:26:17,296 INFO L451 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: true [2018-12-09 17:26:17,296 INFO L448 ceAbstractionStarter]: For program point L405-1(line 405) no Hoare annotation was computed. [2018-12-09 17:26:17,296 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 392 399) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (< ~systemActive~0 1))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2018-12-09 17:26:17,296 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 392 399) no Hoare annotation was computed. [2018-12-09 17:26:17,296 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 392 399) no Hoare annotation was computed. [2018-12-09 17:26:17,297 INFO L444 ceAbstractionStarter]: At program point L352(line 352) the Hoare annotation is: (let ((.cse3 (< 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse5 (< ~systemActive~0 1))) (and (or (not (= ~waterLevel~0 0)) .cse0 (not (= ~systemActive~0 1)) .cse1) (or .cse2 .cse3 .cse4 .cse0 .cse5) (or .cse3 .cse4 .cse0 .cse1 .cse5) (or .cse6 .cse7 .cse1 .cse5) (or .cse2 .cse6 .cse7 .cse5))) [2018-12-09 17:26:17,297 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 358) no Hoare annotation was computed. [2018-12-09 17:26:17,297 INFO L444 ceAbstractionStarter]: At program point L348(line 348) the Hoare annotation is: (let ((.cse1 (< 1 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 1)) (.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse4) (or .cse6 .cse7 .cse5 .cse4) (or .cse0 .cse6 .cse7 .cse4))) [2018-12-09 17:26:17,297 INFO L448 ceAbstractionStarter]: For program point L348-1(line 348) no Hoare annotation was computed. [2018-12-09 17:26:17,297 INFO L448 ceAbstractionStarter]: For program point L346(lines 346 363) no Hoare annotation was computed. [2018-12-09 17:26:17,297 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 342 366) no Hoare annotation was computed. [2018-12-09 17:26:17,297 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 342 366) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (= ~pumpRunning~0 1)) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse3 .cse1 .cse2 .cse5 .cse4) (or .cse0 .cse6 .cse7 .cse8 .cse4) (or .cse6 .cse7 .cse8 .cse5 .cse4))) [2018-12-09 17:26:17,297 INFO L444 ceAbstractionStarter]: At program point L361(line 361) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse4) (or .cse5 .cse6 .cse7 .cse4) (or .cse3 .cse1 .cse2 .cse7 .cse4))) [2018-12-09 17:26:17,297 INFO L448 ceAbstractionStarter]: For program point L361-1(lines 342 366) no Hoare annotation was computed. [2018-12-09 17:26:17,297 INFO L444 ceAbstractionStarter]: At program point L356(line 356) the Hoare annotation is: (let ((.cse3 (< 1 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 1)) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse5 (< ~systemActive~0 1))) (and (or (not (= ~waterLevel~0 0)) .cse0 (not (= ~systemActive~0 1)) .cse1 (= processEnvironment_~tmp~3 0)) (or .cse2 .cse3 .cse4 .cse0 .cse5) (or .cse3 .cse4 .cse0 .cse1 .cse5) (or .cse6 .cse7 .cse1 .cse5) (or .cse2 .cse6 .cse7 .cse5))) [2018-12-09 17:26:17,297 INFO L448 ceAbstractionStarter]: For program point L166(lines 166 172) no Hoare annotation was computed. [2018-12-09 17:26:17,297 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 162 175) no Hoare annotation was computed. [2018-12-09 17:26:17,297 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 162 175) the Hoare annotation is: true [2018-12-09 17:26:17,297 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 162 175) no Hoare annotation was computed. [2018-12-09 17:26:17,297 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 308 314) no Hoare annotation was computed. [2018-12-09 17:26:17,297 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 308 314) the Hoare annotation is: true [2018-12-09 17:26:17,298 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 476 539) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0))) [2018-12-09 17:26:17,298 INFO L444 ceAbstractionStarter]: At program point L508(line 508) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse1 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse1 .cse5 .cse3) (and .cse1 .cse2 .cse5 .cse3))) [2018-12-09 17:26:17,298 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 512) no Hoare annotation was computed. [2018-12-09 17:26:17,298 INFO L448 ceAbstractionStarter]: For program point L506-1(lines 506 512) no Hoare annotation was computed. [2018-12-09 17:26:17,298 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 476 539) no Hoare annotation was computed. [2018-12-09 17:26:17,298 INFO L444 ceAbstractionStarter]: At program point L498(line 498) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse1 .cse5 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 (<= ~waterLevel~0 1) .cse3) (and .cse1 .cse2 .cse5 .cse3))) [2018-12-09 17:26:17,298 INFO L444 ceAbstractionStarter]: At program point L529(lines 486 531) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 1)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse1 .cse5 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse4 (<= ~waterLevel~0 1) .cse3) (and .cse1 .cse2 .cse5 .cse3))) [2018-12-09 17:26:17,298 INFO L448 ceAbstractionStarter]: For program point L496(lines 496 502) no Hoare annotation was computed. [2018-12-09 17:26:17,298 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 496 502) no Hoare annotation was computed. [2018-12-09 17:26:17,298 INFO L448 ceAbstractionStarter]: For program point L488(lines 488 492) no Hoare annotation was computed. [2018-12-09 17:26:17,298 INFO L444 ceAbstractionStarter]: At program point L532(lines 485 533) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:26:17,298 INFO L448 ceAbstractionStarter]: For program point L522(lines 522 526) no Hoare annotation was computed. [2018-12-09 17:26:17,298 INFO L444 ceAbstractionStarter]: At program point L522-2(lines 516 527) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse1 (= ~pumpRunning~0 1)) (.cse4 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse5 (= ~methaneLevelCritical~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (and .cse0 .cse1 .cse2) .cse3) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse0 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse1 .cse5 .cse2) (and .cse4 .cse0 .cse5 .cse2))) [2018-12-09 17:26:17,298 INFO L448 ceAbstractionStarter]: For program point L487(lines 486 531) no Hoare annotation was computed. [2018-12-09 17:26:17,298 INFO L448 ceAbstractionStarter]: For program point L516(lines 516 527) no Hoare annotation was computed. [2018-12-09 17:26:17,299 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 476 539) no Hoare annotation was computed. [2018-12-09 17:26:17,299 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 367 374) the Hoare annotation is: (let ((.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) (< ~systemActive~0 1))) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (< 2 ~waterLevel~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse2 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 17:26:17,299 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 367 374) no Hoare annotation was computed. [2018-12-09 17:26:17,299 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 367 374) no Hoare annotation was computed. [2018-12-09 17:26:17,299 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 17:26:17,299 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2018-12-09 17:26:17,299 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 17:26:17,299 INFO L448 ceAbstractionStarter]: For program point L386-1(lines 375 391) no Hoare annotation was computed. [2018-12-09 17:26:17,299 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 388) no Hoare annotation was computed. [2018-12-09 17:26:17,299 INFO L444 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse3 (< ~systemActive~0 1))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2018-12-09 17:26:17,299 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 375 391) no Hoare annotation was computed. [2018-12-09 17:26:17,299 INFO L448 ceAbstractionStarter]: For program point L380-1(line 380) no Hoare annotation was computed. [2018-12-09 17:26:17,299 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 375 391) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse3 (< ~systemActive~0 1))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2018-12-09 17:26:17,299 INFO L444 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (< 2 ~waterLevel~0)) (.cse3 (< ~systemActive~0 1))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (and .cse2 (= ~methaneLevelCritical~0 activatePump_~tmp~4)) .cse1 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2018-12-09 17:26:17,299 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 469) no Hoare annotation was computed. [2018-12-09 17:26:17,299 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 456 474) no Hoare annotation was computed. [2018-12-09 17:26:17,299 INFO L451 ceAbstractionStarter]: At program point L463(line 463) the Hoare annotation is: true [2018-12-09 17:26:17,299 INFO L448 ceAbstractionStarter]: For program point L465-2(lines 465 469) no Hoare annotation was computed. [2018-12-09 17:26:17,299 INFO L448 ceAbstractionStarter]: For program point L463-1(line 463) no Hoare annotation was computed. [2018-12-09 17:26:17,300 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 456 474) the Hoare annotation is: true [2018-12-09 17:26:17,300 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 456 474) no Hoare annotation was computed. [2018-12-09 17:26:17,300 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 153 161) the Hoare annotation is: true [2018-12-09 17:26:17,300 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 153 161) no Hoare annotation was computed. [2018-12-09 17:26:17,300 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 153 161) no Hoare annotation was computed. [2018-12-09 17:26:17,300 INFO L448 ceAbstractionStarter]: For program point L113-1(lines 109 120) no Hoare annotation was computed. [2018-12-09 17:26:17,300 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 109 120) the Hoare annotation is: (let ((.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse7 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (< 2 ~waterLevel~0)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (< ~systemActive~0 1))) (and (or .cse0 (or .cse1 .cse2 .cse3) .cse4) (or (or .cse2 (or .cse5 .cse3)) .cse4 .cse0) (or .cse6 (or (or .cse7 .cse5 .cse3) .cse2)) (or .cse7 .cse1 .cse2 .cse6 .cse3))) [2018-12-09 17:26:17,300 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 109 120) no Hoare annotation was computed. [2018-12-09 17:26:17,300 INFO L448 ceAbstractionStarter]: For program point L288(lines 287 306) no Hoare annotation was computed. [2018-12-09 17:26:17,300 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 284 307) the Hoare annotation is: (let ((.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (< ~systemActive~0 1)) (.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse0 (and .cse12 (= ~pumpRunning~0 1))) (.cse5 (or .cse2 .cse3)) (.cse11 (not (= ~systemActive~0 1))) (.cse8 (= 0 ~pumpRunning~0)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse9 (= 1 ~waterLevel~0)) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (= |old(~waterLevel~0)| 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or (or .cse1 .cse2 .cse3) .cse4)) (or (or .cse4 .cse5) .cse6 .cse0) (or .cse1 .cse7 .cse4 (and .cse8 (<= ~waterLevel~0 2)) .cse3) (or .cse9 .cse6 (or .cse2 .cse10 .cse3)) (or (= ~waterLevel~0 0) (not (= |old(~waterLevel~0)| 0)) .cse11 .cse6 .cse5) (or (or .cse1 .cse2 .cse10 .cse3) (= ~waterLevel~0 1)) (or .cse7 .cse11 .cse6 (= ~waterLevel~0 2) (not (= |old(~waterLevel~0)| 2))) (or (and .cse12 .cse8) .cse7 .cse4 .cse6 .cse3) (or .cse1 .cse7 .cse10 .cse9 .cse3) (or (or .cse1 (< 1 |old(~waterLevel~0)|) .cse7 .cse3) .cse12) (or .cse9 .cse7 .cse10 .cse6 .cse3)))) [2018-12-09 17:26:17,300 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 284 307) no Hoare annotation was computed. [2018-12-09 17:26:17,300 INFO L444 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (let ((.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (< ~systemActive~0 1))) (let ((.cse5 (not (= ~systemActive~0 1))) (.cse9 (= ~waterLevel~0 0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse10 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse8 (or .cse11 .cse4)) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse14 (and .cse12 (<= ~waterLevel~0 1) (= ~pumpRunning~0 1))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse13 (= 1 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 (<= ~waterLevel~0 2)) .cse4) (or .cse1 .cse5 .cse6 (= ~waterLevel~0 2) (not (= |old(~waterLevel~0)| 2))) (or (or .cse5 .cse7 .cse8) .cse6 .cse9) (or .cse10 .cse6 (or .cse11 .cse7 .cse4)) (or (not (= |old(~waterLevel~0)| 0)) .cse5 .cse9 .cse6 .cse8) (or (and .cse12 .cse3) .cse1 .cse2 .cse6 .cse4) (or .cse0 .cse1 .cse7 .cse13 .cse4) (or .cse10 (or .cse0 .cse11 .cse7 .cse4)) (or (or .cse2 .cse8) .cse14 .cse6) (or (or (or .cse0 .cse11 .cse4) .cse2) .cse14) (or (or .cse0 (< 1 |old(~waterLevel~0)|) .cse1 .cse4) .cse12) (or .cse13 .cse1 .cse7 .cse6 .cse4)))) [2018-12-09 17:26:17,301 INFO L444 ceAbstractionStarter]: At program point L295(lines 295 301) the Hoare annotation is: (let ((.cse17 (= 0 ~pumpRunning~0)) (.cse18 (<= ~waterLevel~0 1)) (.cse15 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse9 (< ~systemActive~0 1)) (.cse16 (= ~pumpRunning~0 1))) (let ((.cse2 (not (= ~systemActive~0 1))) (.cse6 (and .cse16 (= ~waterLevel~0 0))) (.cse5 (or .cse11 .cse9)) (.cse1 (and .cse15 (<= ~waterLevel~0 2) .cse16)) (.cse10 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse13 (< 2 |old(~waterLevel~0)|)) (.cse14 (and .cse15 .cse18 .cse16)) (.cse12 (and .cse15 .cse17 .cse18)) (.cse8 (= 1 ~waterLevel~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= |old(~waterLevel~0)| 2))) (or (or .cse2 .cse4 .cse5) .cse3 .cse6) (or (not (= |old(~waterLevel~0)| 0)) .cse2 .cse6 .cse3 .cse5) (or .cse7 .cse0 .cse8 .cse4 .cse9) (or .cse10 .cse3 (or .cse11 .cse4 .cse9)) (or .cse12 (or .cse13 .cse5) .cse14 .cse3) (or .cse7 (and .cse15 .cse16) .cse0 .cse13 (and .cse15 .cse17) .cse9) (or .cse0 .cse13 .cse1 .cse12 .cse3 .cse9) (or .cse10 (or .cse7 .cse11 .cse4 .cse9)) (or (or (or .cse7 .cse11 .cse9) .cse13) .cse14 .cse12) (or .cse8 .cse0 .cse4 .cse3 .cse9)))) [2018-12-09 17:26:17,301 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 284 307) no Hoare annotation was computed. [2018-12-09 17:26:17,301 INFO L444 ceAbstractionStarter]: At program point L290(line 290) the Hoare annotation is: (let ((.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (< ~systemActive~0 1))) (let ((.cse8 (or .cse2 .cse3)) (.cse0 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= ~pumpRunning~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 (or (or .cse1 .cse2 .cse3) .cse4)) (or (= 1 ~waterLevel~0) .cse5 (or .cse2 .cse6 .cse3)) (or .cse7 .cse4 .cse5 .cse3) (or (= ~waterLevel~0 0) (not (= |old(~waterLevel~0)| 0)) (not (= ~systemActive~0 1)) .cse5 .cse8) (or (or .cse4 .cse8) .cse0 .cse5) (or (= ~waterLevel~0 1) (or .cse1 .cse2 .cse6 .cse3)) (or .cse1 .cse7 .cse4 .cse3)))) [2018-12-09 17:26:17,301 INFO L448 ceAbstractionStarter]: For program point L193(lines 193 197) no Hoare annotation was computed. [2018-12-09 17:26:17,301 INFO L451 ceAbstractionStarter]: At program point L193-1(lines 193 197) the Hoare annotation is: true [2018-12-09 17:26:17,301 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 179 208) no Hoare annotation was computed. [2018-12-09 17:26:17,301 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-09 17:26:17,301 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 179 208) the Hoare annotation is: true [2018-12-09 17:26:17,301 INFO L451 ceAbstractionStarter]: At program point L189-2(lines 189 203) the Hoare annotation is: true [2018-12-09 17:26:17,301 INFO L451 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: true [2018-12-09 17:26:17,301 INFO L448 ceAbstractionStarter]: For program point L185-1(line 185) no Hoare annotation was computed. [2018-12-09 17:26:17,301 INFO L451 ceAbstractionStarter]: At program point L204(lines 179 208) the Hoare annotation is: true [2018-12-09 17:26:17,301 INFO L448 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2018-12-09 17:26:17,301 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 121 129) the Hoare annotation is: true [2018-12-09 17:26:17,301 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 121 129) no Hoare annotation was computed. [2018-12-09 17:26:17,301 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 121 129) no Hoare annotation was computed. [2018-12-09 17:26:17,301 INFO L448 ceAbstractionStarter]: For program point L63(lines 63 69) no Hoare annotation was computed. [2018-12-09 17:26:17,301 INFO L444 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (< 1 ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse3) (or .cse2 .cse4 (= __utac_acc__Specification3_spec__1_~tmp~0 ~methaneLevelCritical~0) .cse5 .cse3) (or .cse6 .cse1 .cse5 .cse3) (or .cse6 .cse4 .cse5 .cse3))) [2018-12-09 17:26:17,301 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 44 76) no Hoare annotation was computed. [2018-12-09 17:26:17,302 INFO L448 ceAbstractionStarter]: For program point L61-1(line 61) no Hoare annotation was computed. [2018-12-09 17:26:17,302 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 72) no Hoare annotation was computed. [2018-12-09 17:26:17,302 INFO L448 ceAbstractionStarter]: For program point L59-1(lines 44 76) no Hoare annotation was computed. [2018-12-09 17:26:17,302 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 44 76) the Hoare annotation is: true [2018-12-09 17:26:17,302 INFO L444 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse5 (= __utac_acc__Specification3_spec__1_~tmp~0 ~methaneLevelCritical~0)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse3) (or .cse2 .cse4 .cse5 .cse6 .cse3) (or (< 1 ~waterLevel~0) .cse1 .cse5 .cse6 .cse3))) [2018-12-09 17:26:17,302 INFO L448 ceAbstractionStarter]: For program point L57-1(line 57) no Hoare annotation was computed. [2018-12-09 17:26:17,302 INFO L448 ceAbstractionStarter]: For program point L53(lines 53 73) no Hoare annotation was computed. [2018-12-09 17:26:17,302 INFO L451 ceAbstractionStarter]: At program point L51(line 51) the Hoare annotation is: true [2018-12-09 17:26:17,302 INFO L448 ceAbstractionStarter]: For program point L51-1(line 51) no Hoare annotation was computed. [2018-12-09 17:26:17,302 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< ~systemActive~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse5 .cse3) (or .cse0 .cse2 .cse4 .cse3) (or (< 1 ~waterLevel~0) .cse1 .cse5 .cse3))) [2018-12-09 17:26:17,302 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 85 96) the Hoare annotation is: (let ((.cse2 (< ~systemActive~0 1))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse5 (or (= 0 ~pumpRunning~0) .cse2))) (and (or (or .cse0 .cse1 .cse2) (= 1 ~waterLevel~0) .cse3) (or (= ~waterLevel~0 0) (not (= |old(~waterLevel~0)| 0)) .cse0 (not (= ~systemActive~0 1)) .cse3) (or (or .cse4 .cse0 .cse5) .cse6 .cse3) (or (or .cse7 .cse0 .cse1 .cse5) (= ~waterLevel~0 1)) (or .cse6 (or .cse7 .cse4 .cse0 .cse5))))) [2018-12-09 17:26:17,302 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 85 96) no Hoare annotation was computed. [2018-12-09 17:26:17,302 INFO L448 ceAbstractionStarter]: For program point L89-1(lines 85 96) no Hoare annotation was computed. [2018-12-09 17:26:17,302 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 234 240) no Hoare annotation was computed. [2018-12-09 17:26:17,302 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 234 240) the Hoare annotation is: true [2018-12-09 17:26:17,302 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 17:26:17,302 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-09 17:26:17,302 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 17:26:17,303 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 17:26:17,303 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 97 108) no Hoare annotation was computed. [2018-12-09 17:26:17,303 INFO L448 ceAbstractionStarter]: For program point L101-1(lines 97 108) no Hoare annotation was computed. [2018-12-09 17:26:17,303 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 97 108) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1))) (.cse1 (< 1 |old(~waterLevel~0)|)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse8 (< 2 |old(~waterLevel~0)|)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (< ~systemActive~0 1))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4)) (or (= ~waterLevel~0 0) (or (not (= |old(~waterLevel~0)| 0)) .cse5 .cse6) .cse3) (or .cse7 .cse2 .cse8 (<= ~waterLevel~0 2) .cse4) (or .cse2 .cse6 (not (= |old(~waterLevel~0)| 1)) .cse3 (= 1 ~waterLevel~0)) (or (or .cse7 .cse1 .cse2 .cse4) .cse0) (or .cse7 .cse8 .cse0 .cse5 .cse4) (or .cse8 .cse5 .cse3 .cse0 .cse4))) [2018-12-09 17:26:17,303 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 576 583) no Hoare annotation was computed. [2018-12-09 17:26:17,303 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 576 583) the Hoare annotation is: true [2018-12-09 17:26:17,303 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 580) no Hoare annotation was computed. [2018-12-09 17:26:17,303 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 576 583) no Hoare annotation was computed. [2018-12-09 17:26:17,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:26:17 BoogieIcfgContainer [2018-12-09 17:26:17,311 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 17:26:17,311 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 17:26:17,311 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 17:26:17,311 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 17:26:17,312 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:25:55" (3/4) ... [2018-12-09 17:26:17,314 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 17:26:17,317 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 17:26:17,317 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 17:26:17,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 17:26:17,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-09 17:26:17,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 17:26:17,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 17:26:17,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 17:26:17,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 17:26:17,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 17:26:17,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 17:26:17,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 17:26:17,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 17:26:17,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 17:26:17,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-09 17:26:17,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 17:26:17,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 17:26:17,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 17:26:17,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 17:26:17,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 17:26:17,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 17:26:17,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 17:26:17,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 17:26:17,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-09 17:26:17,318 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 17:26:17,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 17:26:17,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 17:26:17,319 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 17:26:17,323 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-09 17:26:17,323 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 17:26:17,323 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 17:26:17,323 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 17:26:17,323 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 17:26:17,324 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 17:26:17,341 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && splverifierCounter == 0) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0)) || (((waterLevel <= 2 && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0) [2018-12-09 17:26:17,341 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 17:26:17,362 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_55538c9e-9f30-460b-bc7a-68ae20ae8668/bin-2019/utaipan/witness.graphml [2018-12-09 17:26:17,362 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 17:26:17,363 INFO L168 Benchmark]: Toolchain (without parser) took 22404.88 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 969.9 MB). Free memory was 948.1 MB in the beginning and 873.8 MB in the end (delta: 74.3 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-12-09 17:26:17,363 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:26:17,363 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -139.8 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-12-09 17:26:17,363 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:26:17,363 INFO L168 Benchmark]: Boogie Preprocessor took 20.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 17:26:17,364 INFO L168 Benchmark]: RCFGBuilder took 336.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. [2018-12-09 17:26:17,364 INFO L168 Benchmark]: TraceAbstraction took 21684.73 ms. Allocated memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: 871.4 MB). Free memory was 1.0 GB in the beginning and 895.7 MB in the end (delta: 139.2 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-12-09 17:26:17,364 INFO L168 Benchmark]: Witness Printer took 51.07 ms. Allocated memory is still 2.0 GB. Free memory was 895.7 MB in the beginning and 873.8 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2018-12-09 17:26:17,365 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 289.20 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -139.8 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.71 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.79 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 336.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21684.73 ms. Allocated memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: 871.4 MB). Free memory was 1.0 GB in the beginning and 895.7 MB in the end (delta: 139.2 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. * Witness Printer took 51.07 ms. Allocated memory is still 2.0 GB. Free memory was 895.7 MB in the beginning and 873.8 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 580]: 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: 485]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 486]: Loop Invariant Derived loop invariant: (((((((((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && splverifierCounter == 0) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && splverifierCounter == 0)) || (((waterLevel <= 2 && pumpRunning == 1) && methaneLevelCritical == 1) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 149 locations, 1 error locations. SAFE Result, 21.6s OverallTime, 15 OverallIterations, 4 TraceHistogramMax, 11.9s AutomataDifference, 0.0s DeadEndRemovalTime, 3.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2767 SDtfs, 2395 SDslu, 14639 SDs, 0 SdLazy, 6447 SolverSat, 1119 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.0s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1205 GetRequests, 951 SyntacticMatches, 19 SemanticMatches, 235 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1841 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1215occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.4s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9963514659898323 AbsIntWeakeningRatio, 0.9622166246851386 AbsIntAvgWeakeningVarsNumRemoved, 82.98488664987406 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 599 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 3600 PreInvPairs, 3713 NumberOfFragments, 3185 HoareAnnotationTreeSize, 3600 FomulaSimplifications, 9133 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 62 FomulaSimplificationsInter, 23819 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1806 NumberOfCodeBlocks, 1806 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2096 ConstructedInterpolants, 0 QuantifiedInterpolants, 407862 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1725 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 19 InterpolantComputations, 11 PerfectInterpolantSequences, 368/394 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...