./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product46_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_51d52b41-20db-47ee-a995-4845ee284bd0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_51d52b41-20db-47ee-a995-4845ee284bd0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_51d52b41-20db-47ee-a995-4845ee284bd0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_51d52b41-20db-47ee-a995-4845ee284bd0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product46_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_51d52b41-20db-47ee-a995-4845ee284bd0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_51d52b41-20db-47ee-a995-4845ee284bd0/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 4366671714130af280ec4232c34176d9c997fd05 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:41:49,161 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:41:49,162 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:41:49,170 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:41:49,170 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:41:49,170 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:41:49,171 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:41:49,172 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:41:49,173 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:41:49,174 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:41:49,175 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:41:49,175 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:41:49,175 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:41:49,176 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:41:49,177 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:41:49,177 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:41:49,178 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:41:49,179 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:41:49,181 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:41:49,182 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:41:49,182 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:41:49,183 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:41:49,185 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:41:49,185 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:41:49,185 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:41:49,186 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:41:49,186 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:41:49,187 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:41:49,188 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:41:49,188 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:41:49,188 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:41:49,189 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:41:49,189 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:41:49,189 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:41:49,190 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:41:49,190 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:41:49,191 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_51d52b41-20db-47ee-a995-4845ee284bd0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 12:41:49,201 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:41:49,201 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:41:49,202 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:41:49,202 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:41:49,202 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:41:49,202 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:41:49,202 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:41:49,202 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 12:41:49,202 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:41:49,202 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:41:49,202 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 12:41:49,202 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 12:41:49,203 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:41:49,203 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:41:49,203 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:41:49,203 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:41:49,203 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:41:49,204 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:41:49,204 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:41:49,204 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:41:49,204 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:41:49,204 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:41:49,204 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:41:49,204 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:41:49,204 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:41:49,205 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:41:49,205 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:41:49,205 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:41:49,205 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:41:49,205 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:41:49,205 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:41:49,205 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:41:49,205 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:41:49,205 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 12:41:49,205 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:41:49,205 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:41:49,206 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 12:41:49,206 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_51d52b41-20db-47ee-a995-4845ee284bd0/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 -> 4366671714130af280ec4232c34176d9c997fd05 [2018-11-18 12:41:49,227 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:41:49,235 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:41:49,237 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:41:49,237 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:41:49,238 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:41:49,238 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_51d52b41-20db-47ee-a995-4845ee284bd0/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product46_true-unreach-call_false-termination.cil.c [2018-11-18 12:41:49,275 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_51d52b41-20db-47ee-a995-4845ee284bd0/bin-2019/utaipan/data/f8c63f7e4/c5d5b1eb082e46c4a0e2fa51db411f2b/FLAG942a2f352 [2018-11-18 12:41:49,651 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:41:49,652 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_51d52b41-20db-47ee-a995-4845ee284bd0/sv-benchmarks/c/product-lines/minepump_spec2_product46_true-unreach-call_false-termination.cil.c [2018-11-18 12:41:49,661 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_51d52b41-20db-47ee-a995-4845ee284bd0/bin-2019/utaipan/data/f8c63f7e4/c5d5b1eb082e46c4a0e2fa51db411f2b/FLAG942a2f352 [2018-11-18 12:41:50,035 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_51d52b41-20db-47ee-a995-4845ee284bd0/bin-2019/utaipan/data/f8c63f7e4/c5d5b1eb082e46c4a0e2fa51db411f2b [2018-11-18 12:41:50,037 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:41:50,038 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:41:50,039 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:41:50,039 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:41:50,041 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:41:50,041 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:41:50" (1/1) ... [2018-11-18 12:41:50,043 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37764a8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:41:50, skipping insertion in model container [2018-11-18 12:41:50,043 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:41:50" (1/1) ... [2018-11-18 12:41:50,049 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:41:50,080 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:41:50,275 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:41:50,282 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:41:50,383 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:41:50,406 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:41:50,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:41:50 WrapperNode [2018-11-18 12:41:50,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:41:50,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:41:50,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:41:50,407 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:41:50,413 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:41:50" (1/1) ... [2018-11-18 12:41:50,424 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:41:50" (1/1) ... [2018-11-18 12:41:50,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:41:50,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:41:50,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:41:50,430 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:41:50,436 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:41:50" (1/1) ... [2018-11-18 12:41:50,436 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:41:50" (1/1) ... [2018-11-18 12:41:50,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:41:50" (1/1) ... [2018-11-18 12:41:50,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:41:50" (1/1) ... [2018-11-18 12:41:50,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:41:50" (1/1) ... [2018-11-18 12:41:50,453 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:41:50" (1/1) ... [2018-11-18 12:41:50,456 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:41:50" (1/1) ... [2018-11-18 12:41:50,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:41:50,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:41:50,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:41:50,459 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:41:50,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:41:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51d52b41-20db-47ee-a995-4845ee284bd0/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:41:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 12:41:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 12:41:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:41:50,506 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:41:50,506 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:41:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 12:41:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 12:41:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 12:41:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 12:41:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 12:41:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 12:41:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 12:41:50,507 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 12:41:50,507 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 12:41:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 12:41:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 12:41:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 12:41:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 12:41:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 12:41:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 12:41:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 12:41:50,508 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 12:41:50,508 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 12:41:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 12:41:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 12:41:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 12:41:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 12:41:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 12:41:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 12:41:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 12:41:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 12:41:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 12:41:50,509 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 12:41:50,509 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 12:41:50,510 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 12:41:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 12:41:50,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 12:41:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 12:41:50,510 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 12:41:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 12:41:50,510 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 12:41:50,510 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 12:41:50,510 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 12:41:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 12:41:50,511 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 12:41:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 12:41:50,511 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 12:41:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 12:41:50,511 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 12:41:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-18 12:41:50,511 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-18 12:41:50,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:41:50,511 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:41:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 12:41:50,512 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 12:41:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 12:41:50,512 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 12:41:50,512 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:41:50,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:41:50,926 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:41:50,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:41:50 BoogieIcfgContainer [2018-11-18 12:41:50,927 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:41:50,928 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:41:50,928 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:41:50,931 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:41:50,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:41:50" (1/3) ... [2018-11-18 12:41:50,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b3e709d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:41:50, skipping insertion in model container [2018-11-18 12:41:50,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:41:50" (2/3) ... [2018-11-18 12:41:50,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b3e709d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:41:50, skipping insertion in model container [2018-11-18 12:41:50,933 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:41:50" (3/3) ... [2018-11-18 12:41:50,934 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product46_true-unreach-call_false-termination.cil.c [2018-11-18 12:41:50,943 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:41:50,950 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:41:50,963 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:41:50,987 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:41:50,987 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:41:50,987 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:41:50,987 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:41:50,988 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:41:50,988 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:41:50,988 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:41:50,988 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:41:51,003 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2018-11-18 12:41:51,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 12:41:51,010 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:41:51,010 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:41:51,012 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:41:51,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:41:51,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1691596233, now seen corresponding path program 1 times [2018-11-18 12:41:51,017 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:41:51,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:51,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:41:51,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:51,047 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:41:51,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:41:51,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:41:51,215 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:41:51,215 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:41:51,215 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:41:51,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:41:51,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:41:51,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:41:51,228 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 2 states. [2018-11-18 12:41:51,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:41:51,260 INFO L93 Difference]: Finished difference Result 278 states and 345 transitions. [2018-11-18 12:41:51,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:41:51,261 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 12:41:51,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:41:51,271 INFO L225 Difference]: With dead ends: 278 [2018-11-18 12:41:51,271 INFO L226 Difference]: Without dead ends: 141 [2018-11-18 12:41:51,275 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:41:51,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-18 12:41:51,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-11-18 12:41:51,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-18 12:41:51,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 166 transitions. [2018-11-18 12:41:51,316 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 166 transitions. Word has length 51 [2018-11-18 12:41:51,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:41:51,316 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 166 transitions. [2018-11-18 12:41:51,316 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:41:51,316 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 166 transitions. [2018-11-18 12:41:51,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 12:41:51,319 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:41:51,319 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:41:51,319 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:41:51,320 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:41:51,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1366828862, now seen corresponding path program 1 times [2018-11-18 12:41:51,320 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:41:51,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:51,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:41:51,321 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:51,321 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:41:51,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:41:51,410 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:41:51,410 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:41:51,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:41:51,411 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:41:51,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:41:51,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:41:51,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:41:51,413 INFO L87 Difference]: Start difference. First operand 141 states and 166 transitions. Second operand 3 states. [2018-11-18 12:41:51,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:41:51,431 INFO L93 Difference]: Finished difference Result 221 states and 261 transitions. [2018-11-18 12:41:51,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:41:51,431 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 12:41:51,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:41:51,433 INFO L225 Difference]: With dead ends: 221 [2018-11-18 12:41:51,433 INFO L226 Difference]: Without dead ends: 131 [2018-11-18 12:41:51,434 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:41:51,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-11-18 12:41:51,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-11-18 12:41:51,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-11-18 12:41:51,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 153 transitions. [2018-11-18 12:41:51,445 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 153 transitions. Word has length 53 [2018-11-18 12:41:51,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:41:51,445 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 153 transitions. [2018-11-18 12:41:51,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:41:51,445 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 153 transitions. [2018-11-18 12:41:51,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 12:41:51,447 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:41:51,447 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:41:51,447 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:41:51,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:41:51,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1034227256, now seen corresponding path program 1 times [2018-11-18 12:41:51,447 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:41:51,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:51,448 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:41:51,448 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:51,448 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:41:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:41:51,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:41:51,574 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:41:51,574 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 12:41:51,574 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:41:51,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:41:51,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:41:51,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:41:51,575 INFO L87 Difference]: Start difference. First operand 131 states and 153 transitions. Second operand 7 states. [2018-11-18 12:41:51,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:41:51,882 INFO L93 Difference]: Finished difference Result 234 states and 279 transitions. [2018-11-18 12:41:51,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:41:51,883 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-18 12:41:51,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:41:51,885 INFO L225 Difference]: With dead ends: 234 [2018-11-18 12:41:51,885 INFO L226 Difference]: Without dead ends: 131 [2018-11-18 12:41:51,886 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:41:51,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-11-18 12:41:51,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-11-18 12:41:51,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-11-18 12:41:51,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 152 transitions. [2018-11-18 12:41:51,897 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 152 transitions. Word has length 58 [2018-11-18 12:41:51,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:41:51,898 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 152 transitions. [2018-11-18 12:41:51,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:41:51,899 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 152 transitions. [2018-11-18 12:41:51,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 12:41:51,901 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:41:51,901 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:41:51,901 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:41:51,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:41:51,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1539322909, now seen corresponding path program 1 times [2018-11-18 12:41:51,902 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:41:51,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:51,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:41:51,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:51,903 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:41:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:41:52,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:41:52,000 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:41:52,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:41:52,000 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:41:52,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 12:41:52,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:41:52,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:41:52,001 INFO L87 Difference]: Start difference. First operand 131 states and 152 transitions. Second operand 5 states. [2018-11-18 12:41:52,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:41:52,480 INFO L93 Difference]: Finished difference Result 344 states and 416 transitions. [2018-11-18 12:41:52,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:41:52,482 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-11-18 12:41:52,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:41:52,484 INFO L225 Difference]: With dead ends: 344 [2018-11-18 12:41:52,484 INFO L226 Difference]: Without dead ends: 241 [2018-11-18 12:41:52,485 INFO L604 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 [2018-11-18 12:41:52,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2018-11-18 12:41:52,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 221. [2018-11-18 12:41:52,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-11-18 12:41:52,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 253 transitions. [2018-11-18 12:41:52,511 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 253 transitions. Word has length 71 [2018-11-18 12:41:52,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:41:52,512 INFO L480 AbstractCegarLoop]: Abstraction has 221 states and 253 transitions. [2018-11-18 12:41:52,512 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 12:41:52,512 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 253 transitions. [2018-11-18 12:41:52,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-18 12:41:52,513 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:41:52,513 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:41:52,513 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:41:52,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:41:52,514 INFO L82 PathProgramCache]: Analyzing trace with hash -1564334621, now seen corresponding path program 1 times [2018-11-18 12:41:52,514 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:41:52,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:52,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:41:52,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:52,515 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:41:52,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:41:52,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:41:52,615 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:41:52,615 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 12:41:52,616 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:41:52,616 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 12:41:52,616 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 12:41:52,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:41:52,617 INFO L87 Difference]: Start difference. First operand 221 states and 253 transitions. Second operand 8 states. [2018-11-18 12:41:52,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:41:52,664 INFO L93 Difference]: Finished difference Result 421 states and 495 transitions. [2018-11-18 12:41:52,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:41:52,664 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 85 [2018-11-18 12:41:52,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:41:52,667 INFO L225 Difference]: With dead ends: 421 [2018-11-18 12:41:52,667 INFO L226 Difference]: Without dead ends: 228 [2018-11-18 12:41:52,667 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:41:52,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-11-18 12:41:52,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 225. [2018-11-18 12:41:52,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-11-18 12:41:52,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 257 transitions. [2018-11-18 12:41:52,683 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 257 transitions. Word has length 85 [2018-11-18 12:41:52,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:41:52,684 INFO L480 AbstractCegarLoop]: Abstraction has 225 states and 257 transitions. [2018-11-18 12:41:52,684 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 12:41:52,684 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 257 transitions. [2018-11-18 12:41:52,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-18 12:41:52,685 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:41:52,685 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:41:52,685 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:41:52,686 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:41:52,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1586966875, now seen corresponding path program 1 times [2018-11-18 12:41:52,686 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:41:52,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:52,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:41:52,687 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:52,687 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:41:52,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:41:52,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:41:52,787 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:41:52,787 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:41:52,787 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:41:52,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:41:52,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:41:52,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:41:52,788 INFO L87 Difference]: Start difference. First operand 225 states and 257 transitions. Second operand 6 states. [2018-11-18 12:41:52,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:41:52,923 INFO L93 Difference]: Finished difference Result 601 states and 707 transitions. [2018-11-18 12:41:52,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:41:52,924 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-11-18 12:41:52,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:41:52,925 INFO L225 Difference]: With dead ends: 601 [2018-11-18 12:41:52,925 INFO L226 Difference]: Without dead ends: 404 [2018-11-18 12:41:52,926 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:41:52,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2018-11-18 12:41:52,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 398. [2018-11-18 12:41:52,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 398 states. [2018-11-18 12:41:52,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 398 states to 398 states and 454 transitions. [2018-11-18 12:41:52,947 INFO L78 Accepts]: Start accepts. Automaton has 398 states and 454 transitions. Word has length 85 [2018-11-18 12:41:52,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:41:52,947 INFO L480 AbstractCegarLoop]: Abstraction has 398 states and 454 transitions. [2018-11-18 12:41:52,947 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:41:52,947 INFO L276 IsEmpty]: Start isEmpty. Operand 398 states and 454 transitions. [2018-11-18 12:41:52,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-18 12:41:52,948 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:41:52,949 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:41:52,949 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:41:52,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:41:52,949 INFO L82 PathProgramCache]: Analyzing trace with hash 821970305, now seen corresponding path program 1 times [2018-11-18 12:41:52,949 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:41:52,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:52,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:41:52,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:52,950 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:41:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:41:53,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:41:53,023 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:41:53,023 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 12:41:53,023 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:41:53,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:41:53,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:41:53,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:41:53,024 INFO L87 Difference]: Start difference. First operand 398 states and 454 transitions. Second operand 7 states. [2018-11-18 12:41:53,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:41:53,407 INFO L93 Difference]: Finished difference Result 801 states and 938 transitions. [2018-11-18 12:41:53,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 12:41:53,408 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 89 [2018-11-18 12:41:53,409 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:41:53,410 INFO L225 Difference]: With dead ends: 801 [2018-11-18 12:41:53,411 INFO L226 Difference]: Without dead ends: 431 [2018-11-18 12:41:53,411 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 12:41:53,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-11-18 12:41:53,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 397. [2018-11-18 12:41:53,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2018-11-18 12:41:53,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 451 transitions. [2018-11-18 12:41:53,431 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 451 transitions. Word has length 89 [2018-11-18 12:41:53,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:41:53,431 INFO L480 AbstractCegarLoop]: Abstraction has 397 states and 451 transitions. [2018-11-18 12:41:53,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:41:53,431 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 451 transitions. [2018-11-18 12:41:53,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 12:41:53,433 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:41:53,433 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:41:53,434 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:41:53,434 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:41:53,434 INFO L82 PathProgramCache]: Analyzing trace with hash -4327642, now seen corresponding path program 1 times [2018-11-18 12:41:53,434 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:41:53,435 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:53,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:41:53,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:53,436 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:41:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:41:53,493 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 12:41:53,493 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:41:53,493 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:41:53,493 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:41:53,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:41:53,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:41:53,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:41:53,494 INFO L87 Difference]: Start difference. First operand 397 states and 451 transitions. Second operand 6 states. [2018-11-18 12:41:53,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:41:53,523 INFO L93 Difference]: Finished difference Result 780 states and 906 transitions. [2018-11-18 12:41:53,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:41:53,526 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 105 [2018-11-18 12:41:53,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:41:53,528 INFO L225 Difference]: With dead ends: 780 [2018-11-18 12:41:53,528 INFO L226 Difference]: Without dead ends: 411 [2018-11-18 12:41:53,529 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:41:53,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2018-11-18 12:41:53,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 407. [2018-11-18 12:41:53,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2018-11-18 12:41:53,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 461 transitions. [2018-11-18 12:41:53,551 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 461 transitions. Word has length 105 [2018-11-18 12:41:53,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:41:53,551 INFO L480 AbstractCegarLoop]: Abstraction has 407 states and 461 transitions. [2018-11-18 12:41:53,551 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:41:53,551 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 461 transitions. [2018-11-18 12:41:53,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 12:41:53,553 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:41:53,553 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:41:53,553 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:41:53,553 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:41:53,553 INFO L82 PathProgramCache]: Analyzing trace with hash 1683404931, now seen corresponding path program 1 times [2018-11-18 12:41:53,553 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:41:53,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:53,556 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:41:53,556 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:53,556 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:41:53,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:41:53,629 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 12:41:53,629 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:41:53,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 12:41:53,629 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:41:53,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 12:41:53,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 12:41:53,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:41:53,630 INFO L87 Difference]: Start difference. First operand 407 states and 461 transitions. Second operand 4 states. [2018-11-18 12:41:53,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:41:53,824 INFO L93 Difference]: Finished difference Result 1202 states and 1430 transitions. [2018-11-18 12:41:53,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 12:41:53,825 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 105 [2018-11-18 12:41:53,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:41:53,829 INFO L225 Difference]: With dead ends: 1202 [2018-11-18 12:41:53,829 INFO L226 Difference]: Without dead ends: 823 [2018-11-18 12:41:53,833 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:41:53,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2018-11-18 12:41:53,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 808. [2018-11-18 12:41:53,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 808 states. [2018-11-18 12:41:53,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 808 states to 808 states and 941 transitions. [2018-11-18 12:41:53,874 INFO L78 Accepts]: Start accepts. Automaton has 808 states and 941 transitions. Word has length 105 [2018-11-18 12:41:53,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:41:53,874 INFO L480 AbstractCegarLoop]: Abstraction has 808 states and 941 transitions. [2018-11-18 12:41:53,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 12:41:53,874 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 941 transitions. [2018-11-18 12:41:53,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 12:41:53,876 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:41:53,876 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:41:53,876 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:41:53,877 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:41:53,877 INFO L82 PathProgramCache]: Analyzing trace with hash -435019011, now seen corresponding path program 1 times [2018-11-18 12:41:53,877 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:41:53,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:53,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:41:53,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:53,878 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:41:53,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:41:54,026 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 12:41:54,026 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:41:54,026 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:41:54,027 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 110 with the following transitions: [2018-11-18 12:41:54,029 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [37], [38], [39], [43], [45], [46], [49], [64], [67], [68], [72], [73], [75], [79], [85], [89], [93], [96], [101], [104], [109], [115], [118], [128], [129], [130], [132], [135], [137], [140], [143], [155], [156], [157], [158], [159], [161], [166], [169], [170], [172], [177], [179], [180], [185], [187], [193], [197], [231], [232], [240], [248], [252], [253], [256], [257], [258], [259], [260], [261], [262], [263], [264], [266], [267], [268], [269], [274], [275], [276], [278], [279], [286], [287], [288], [289], [290], [291], [294], [298], [299], [300], [301], [302], [304], [305], [306], [307], [308], [309], [312], [313], [314], [320], [321], [322] [2018-11-18 12:41:54,062 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:41:54,062 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:41:54,548 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:41:54,549 INFO L272 AbstractInterpreter]: Visited 82 different actions 82 times. Never merged. Never widened. Performed 2683 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2683 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 135 variables. [2018-11-18 12:41:54,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:41:54,562 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:41:54,832 INFO L227 lantSequenceWeakener]: Weakened 80 states. On average, predicates are now at 96.66% of their original sizes. [2018-11-18 12:41:54,832 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:41:55,035 INFO L415 sIntCurrentIteration]: We unified 108 AI predicates to 108 [2018-11-18 12:41:55,036 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:41:55,036 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:41:55,036 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [13] total 30 [2018-11-18 12:41:55,037 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:41:55,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 12:41:55,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 12:41:55,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2018-11-18 12:41:55,037 INFO L87 Difference]: Start difference. First operand 808 states and 941 transitions. Second operand 19 states. [2018-11-18 12:41:57,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:41:57,822 INFO L93 Difference]: Finished difference Result 2045 states and 2412 transitions. [2018-11-18 12:41:57,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 12:41:57,822 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 109 [2018-11-18 12:41:57,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:41:57,827 INFO L225 Difference]: With dead ends: 2045 [2018-11-18 12:41:57,827 INFO L226 Difference]: Without dead ends: 1265 [2018-11-18 12:41:57,829 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 118 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=688, Unknown=0, NotChecked=0, Total=812 [2018-11-18 12:41:57,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1265 states. [2018-11-18 12:41:57,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1265 to 1259. [2018-11-18 12:41:57,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1259 states. [2018-11-18 12:41:57,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 1259 states and 1446 transitions. [2018-11-18 12:41:57,888 INFO L78 Accepts]: Start accepts. Automaton has 1259 states and 1446 transitions. Word has length 109 [2018-11-18 12:41:57,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:41:57,888 INFO L480 AbstractCegarLoop]: Abstraction has 1259 states and 1446 transitions. [2018-11-18 12:41:57,888 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 12:41:57,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1446 transitions. [2018-11-18 12:41:57,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 12:41:57,892 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:41:57,892 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:41:57,892 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:41:57,892 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:41:57,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1784285486, now seen corresponding path program 1 times [2018-11-18 12:41:57,893 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:41:57,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:57,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:41:57,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:57,893 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:41:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:41:58,082 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 12:41:58,082 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:41:58,083 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:41:58,083 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 163 with the following transitions: [2018-11-18 12:41:58,083 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [37], [38], [39], [43], [45], [46], [49], [52], [54], [60], [64], [67], [68], [72], [73], [74], [75], [79], [85], [89], [93], [96], [99], [101], [104], [107], [109], [115], [118], [128], [129], [130], [132], [135], [137], [140], [143], [152], [154], [155], [156], [157], [158], [159], [161], [166], [169], [170], [172], [177], [179], [180], [185], [187], [190], [193], [197], [203], [231], [232], [235], [239], [240], [248], [252], [253], [256], [257], [258], [259], [260], [261], [262], [263], [264], [266], [267], [268], [269], [272], [273], [274], [275], [276], [278], [279], [280], [281], [284], [285], [286], [287], [288], [289], [290], [291], [294], [295], [298], [299], [300], [301], [302], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [314], [315], [320], [321], [322] [2018-11-18 12:41:58,086 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:41:58,086 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:41:59,539 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:41:59,539 INFO L272 AbstractInterpreter]: Visited 128 different actions 866 times. Merged at 22 different actions 82 times. Never widened. Performed 29870 root evaluator evaluations with a maximum evaluation depth of 3. Performed 29870 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 19 fixpoints after 6 different actions. Largest state had 135 variables. [2018-11-18 12:41:59,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:41:59,545 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:41:59,932 INFO L227 lantSequenceWeakener]: Weakened 158 states. On average, predicates are now at 97.68% of their original sizes. [2018-11-18 12:41:59,932 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:42:00,135 INFO L415 sIntCurrentIteration]: We unified 161 AI predicates to 161 [2018-11-18 12:42:00,135 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:42:00,135 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:42:00,136 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [13] total 33 [2018-11-18 12:42:00,136 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:42:00,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-11-18 12:42:00,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-11-18 12:42:00,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=367, Unknown=0, NotChecked=0, Total=462 [2018-11-18 12:42:00,137 INFO L87 Difference]: Start difference. First operand 1259 states and 1446 transitions. Second operand 22 states. [2018-11-18 12:42:09,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:42:09,293 INFO L93 Difference]: Finished difference Result 3806 states and 4638 transitions. [2018-11-18 12:42:09,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-11-18 12:42:09,293 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 162 [2018-11-18 12:42:09,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:42:09,303 INFO L225 Difference]: With dead ends: 3806 [2018-11-18 12:42:09,303 INFO L226 Difference]: Without dead ends: 2858 [2018-11-18 12:42:09,307 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 197 GetRequests, 131 SyntacticMatches, 10 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1043 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=624, Invalid=2682, Unknown=0, NotChecked=0, Total=3306 [2018-11-18 12:42:09,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2858 states. [2018-11-18 12:42:09,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2858 to 2273. [2018-11-18 12:42:09,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2273 states. [2018-11-18 12:42:09,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2273 states to 2273 states and 2640 transitions. [2018-11-18 12:42:09,518 INFO L78 Accepts]: Start accepts. Automaton has 2273 states and 2640 transitions. Word has length 162 [2018-11-18 12:42:09,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:42:09,519 INFO L480 AbstractCegarLoop]: Abstraction has 2273 states and 2640 transitions. [2018-11-18 12:42:09,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-11-18 12:42:09,519 INFO L276 IsEmpty]: Start isEmpty. Operand 2273 states and 2640 transitions. [2018-11-18 12:42:09,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-18 12:42:09,524 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:42:09,525 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:42:09,525 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:42:09,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:42:09,525 INFO L82 PathProgramCache]: Analyzing trace with hash -189367189, now seen corresponding path program 1 times [2018-11-18 12:42:09,525 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:42:09,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:42:09,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:42:09,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:42:09,526 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:42:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:42:09,637 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 57 proven. 14 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 12:42:09,637 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:42:09,637 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:42:09,637 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 223 with the following transitions: [2018-11-18 12:42:09,638 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [37], [38], [39], [43], [45], [46], [49], [52], [54], [60], [64], [67], [68], [72], [73], [74], [75], [79], [85], [89], [93], [96], [99], [101], [104], [107], [109], [115], [118], [128], [129], [130], [132], [135], [137], [140], [143], [146], [152], [154], [155], [156], [157], [158], [159], [161], [166], [169], [170], [172], [177], [179], [180], [185], [187], [190], [193], [197], [203], [231], [232], [235], [237], [239], [240], [248], [252], [253], [256], [257], [258], [259], [260], [261], [262], [263], [264], [266], [267], [268], [269], [272], [273], [274], [275], [276], [278], [279], [280], [281], [284], [285], [286], [287], [288], [289], [290], [291], [294], [295], [298], [299], [300], [301], [302], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [314], [315], [320], [321], [322] [2018-11-18 12:42:09,640 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:42:09,641 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:42:11,453 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:42:11,453 INFO L272 AbstractInterpreter]: Visited 132 different actions 1293 times. Merged at 24 different actions 145 times. Widened at 1 different actions 2 times. Performed 43426 root evaluator evaluations with a maximum evaluation depth of 3. Performed 43426 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 38 fixpoints after 6 different actions. Largest state had 135 variables. [2018-11-18 12:42:11,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:42:11,459 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:42:11,459 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:42:11,459 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51d52b41-20db-47ee-a995-4845ee284bd0/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:42:11,467 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:42:11,467 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:42:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:42:11,588 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:42:11,692 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 124 proven. 30 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 12:42:11,692 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:42:12,200 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 57 proven. 14 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 12:42:12,226 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:42:12,226 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 5] total 11 [2018-11-18 12:42:12,226 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:42:12,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 12:42:12,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 12:42:12,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-18 12:42:12,228 INFO L87 Difference]: Start difference. First operand 2273 states and 2640 transitions. Second operand 8 states. [2018-11-18 12:42:12,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:42:12,992 INFO L93 Difference]: Finished difference Result 4176 states and 5117 transitions. [2018-11-18 12:42:12,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 12:42:12,993 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 222 [2018-11-18 12:42:12,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:42:12,999 INFO L225 Difference]: With dead ends: 4176 [2018-11-18 12:42:12,999 INFO L226 Difference]: Without dead ends: 2423 [2018-11-18 12:42:13,003 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 454 GetRequests, 442 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2018-11-18 12:42:13,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2423 states. [2018-11-18 12:42:13,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2423 to 2232. [2018-11-18 12:42:13,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2232 states. [2018-11-18 12:42:13,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2232 states to 2232 states and 2593 transitions. [2018-11-18 12:42:13,088 INFO L78 Accepts]: Start accepts. Automaton has 2232 states and 2593 transitions. Word has length 222 [2018-11-18 12:42:13,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:42:13,088 INFO L480 AbstractCegarLoop]: Abstraction has 2232 states and 2593 transitions. [2018-11-18 12:42:13,088 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 12:42:13,088 INFO L276 IsEmpty]: Start isEmpty. Operand 2232 states and 2593 transitions. [2018-11-18 12:42:13,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-18 12:42:13,092 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:42:13,092 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:42:13,093 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:42:13,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:42:13,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1937225837, now seen corresponding path program 1 times [2018-11-18 12:42:13,093 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:42:13,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:42:13,094 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:42:13,094 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:42:13,094 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:42:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:42:13,209 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 60 proven. 14 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-11-18 12:42:13,209 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:42:13,209 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:42:13,210 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 227 with the following transitions: [2018-11-18 12:42:13,210 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [37], [38], [39], [43], [45], [46], [49], [52], [54], [60], [64], [67], [68], [72], [73], [74], [75], [79], [85], [89], [93], [96], [99], [101], [104], [107], [109], [115], [118], [128], [129], [130], [132], [135], [137], [140], [143], [146], [152], [154], [155], [156], [157], [158], [159], [161], [166], [169], [170], [172], [177], [179], [180], [185], [187], [190], [193], [197], [203], [231], [232], [235], [239], [240], [248], [250], [252], [253], [256], [257], [258], [259], [260], [261], [262], [263], [264], [266], [267], [268], [269], [272], [273], [274], [275], [276], [278], [279], [280], [281], [284], [285], [286], [287], [288], [289], [290], [291], [294], [295], [298], [299], [300], [301], [302], [304], [305], [306], [307], [308], [309], [310], [311], [312], [313], [314], [315], [320], [321], [322] [2018-11-18 12:42:13,212 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:42:13,212 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:42:14,632 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:42:14,632 INFO L272 AbstractInterpreter]: Visited 132 different actions 1212 times. Merged at 24 different actions 132 times. Never widened. Performed 41013 root evaluator evaluations with a maximum evaluation depth of 3. Performed 41013 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 36 fixpoints after 7 different actions. Largest state had 135 variables. [2018-11-18 12:42:14,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:42:14,638 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:42:14,638 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:42:14,638 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_51d52b41-20db-47ee-a995-4845ee284bd0/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:42:14,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:42:14,644 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:42:14,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:42:14,747 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:42:14,835 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-11-18 12:42:14,835 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:42:15,208 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 60 proven. 14 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-11-18 12:42:15,224 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:42:15,224 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-18 12:42:15,224 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:42:15,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 12:42:15,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 12:42:15,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 12:42:15,225 INFO L87 Difference]: Start difference. First operand 2232 states and 2593 transitions. Second operand 8 states. [2018-11-18 12:42:15,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:42:15,474 INFO L93 Difference]: Finished difference Result 3265 states and 3802 transitions. [2018-11-18 12:42:15,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:42:15,475 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 226 [2018-11-18 12:42:15,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:42:15,475 INFO L225 Difference]: With dead ends: 3265 [2018-11-18 12:42:15,475 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:42:15,479 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 465 GetRequests, 436 SyntacticMatches, 6 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-18 12:42:15,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:42:15,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:42:15,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:42:15,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:42:15,480 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2018-11-18 12:42:15,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:42:15,480 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:42:15,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 12:42:15,480 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:42:15,480 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:42:15,484 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:42:15,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,857 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:15,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,160 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,271 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:42:16,586 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 30 [2018-11-18 12:42:16,723 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 23 [2018-11-18 12:42:16,879 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 39 [2018-11-18 12:42:17,130 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 25 [2018-11-18 12:42:17,333 WARN L180 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 41 [2018-11-18 12:42:17,584 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 28 [2018-11-18 12:42:17,965 WARN L180 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 47 [2018-11-18 12:42:18,106 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 33 [2018-11-18 12:42:18,247 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 32 [2018-11-18 12:42:18,516 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 42 [2018-11-18 12:42:18,677 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 34 [2018-11-18 12:42:18,915 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 30 [2018-11-18 12:42:19,585 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 38 [2018-11-18 12:42:20,180 WARN L180 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 50 [2018-11-18 12:42:20,510 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 39 [2018-11-18 12:42:20,512 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-18 12:42:20,512 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-18 12:42:20,512 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-18 12:42:20,512 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-18 12:42:20,512 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-18 12:42:20,512 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 622 644) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:42:20,513 INFO L421 ceAbstractionStarter]: At program point L634(line 634) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= main_~tmp~3 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:42:20,513 INFO L421 ceAbstractionStarter]: At program point L634-1(line 634) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= main_~tmp~3 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:42:20,513 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 622 644) no Hoare annotation was computed. [2018-11-18 12:42:20,513 INFO L425 ceAbstractionStarter]: For program point L632(lines 632 639) no Hoare annotation was computed. [2018-11-18 12:42:20,513 INFO L425 ceAbstractionStarter]: For program point L632-1(lines 632 639) no Hoare annotation was computed. [2018-11-18 12:42:20,513 INFO L425 ceAbstractionStarter]: For program point L630(line 630) no Hoare annotation was computed. [2018-11-18 12:42:20,513 INFO L421 ceAbstractionStarter]: At program point L629(line 629) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:42:20,513 INFO L421 ceAbstractionStarter]: At program point L628(line 628) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:42:20,513 INFO L421 ceAbstractionStarter]: At program point L628-1(line 628) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:42:20,513 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 622 644) no Hoare annotation was computed. [2018-11-18 12:42:20,513 INFO L421 ceAbstractionStarter]: At program point L705(line 705) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse4) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-18 12:42:20,513 INFO L425 ceAbstractionStarter]: For program point L705-1(lines 686 710) no Hoare annotation was computed. [2018-11-18 12:42:20,514 INFO L421 ceAbstractionStarter]: At program point L700(line 700) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= 0 processEnvironment__wrappee__methaneQuery_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) .cse3 (not .cse2) .cse0 .cse4))) [2018-11-18 12:42:20,514 INFO L421 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (and (= processEnvironment__wrappee__methaneQuery_~tmp~4 1) (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse0 .cse4 .cse3))) [2018-11-18 12:42:20,514 INFO L425 ceAbstractionStarter]: For program point L694(lines 694 702) no Hoare annotation was computed. [2018-11-18 12:42:20,514 INFO L421 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-11-18 12:42:20,514 INFO L425 ceAbstractionStarter]: For program point L692-1(line 692) no Hoare annotation was computed. [2018-11-18 12:42:20,514 INFO L425 ceAbstractionStarter]: For program point L690(lines 690 707) no Hoare annotation was computed. [2018-11-18 12:42:20,514 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 686 710) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-11-18 12:42:20,514 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 686 710) no Hoare annotation was computed. [2018-11-18 12:42:20,514 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 781 789) no Hoare annotation was computed. [2018-11-18 12:42:20,514 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 781 789) the Hoare annotation is: true [2018-11-18 12:42:20,514 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 781 789) no Hoare annotation was computed. [2018-11-18 12:42:20,514 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-18 12:42:20,515 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-18 12:42:20,515 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 611 621) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:42:20,515 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 611 621) no Hoare annotation was computed. [2018-11-18 12:42:20,515 INFO L421 ceAbstractionStarter]: At program point L616(line 616) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:42:20,515 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 611 621) no Hoare annotation was computed. [2018-11-18 12:42:20,515 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 770 780) the Hoare annotation is: true [2018-11-18 12:42:20,515 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 770 780) no Hoare annotation was computed. [2018-11-18 12:42:20,515 INFO L428 ceAbstractionStarter]: At program point L775(line 775) the Hoare annotation is: true [2018-11-18 12:42:20,515 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 770 780) no Hoare annotation was computed. [2018-11-18 12:42:20,515 INFO L425 ceAbstractionStarter]: For program point L775-1(line 775) no Hoare annotation was computed. [2018-11-18 12:42:20,515 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 762 769) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse2) .cse1))) [2018-11-18 12:42:20,515 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 762 769) no Hoare annotation was computed. [2018-11-18 12:42:20,515 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 762 769) no Hoare annotation was computed. [2018-11-18 12:42:20,516 INFO L421 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse4 .cse1 .cse5 .cse3) (or .cse0 .cse4 .cse1 .cse5))) [2018-11-18 12:42:20,516 INFO L425 ceAbstractionStarter]: For program point L731-1(lines 712 736) no Hoare annotation was computed. [2018-11-18 12:42:20,516 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 712 736) no Hoare annotation was computed. [2018-11-18 12:42:20,516 INFO L421 ceAbstractionStarter]: At program point L726(line 726) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or (not .cse2) .cse1 .cse3 .cse4) (or .cse0 .cse1 .cse3) (or (or .cse1 .cse4 .cse2) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-18 12:42:20,516 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 712 736) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse1 .cse4 .cse3) .cse2) (or .cse2 .cse1 .cse5 .cse4) (or .cse0 .cse2 .cse1 .cse5))) [2018-11-18 12:42:20,516 INFO L421 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse4 (< ~methaneLevelCritical~0 1)) (.cse0 (not .cse6)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~5) .cse5) .cse1 .cse6) (or .cse4 .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse6) .cse5)))) [2018-11-18 12:42:20,516 INFO L425 ceAbstractionStarter]: For program point L720(lines 720 728) no Hoare annotation was computed. [2018-11-18 12:42:20,516 INFO L421 ceAbstractionStarter]: At program point L718(line 718) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse4 (< ~methaneLevelCritical~0 1)) (.cse0 (not .cse6)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6) (or .cse4 .cse0 .cse1 .cse2) (or (or .cse1 .cse3 .cse6) .cse5)))) [2018-11-18 12:42:20,516 INFO L425 ceAbstractionStarter]: For program point L718-1(line 718) no Hoare annotation was computed. [2018-11-18 12:42:20,516 INFO L425 ceAbstractionStarter]: For program point L716(lines 716 733) no Hoare annotation was computed. [2018-11-18 12:42:20,516 INFO L425 ceAbstractionStarter]: For program point L534(lines 534 540) no Hoare annotation was computed. [2018-11-18 12:42:20,516 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 530 543) no Hoare annotation was computed. [2018-11-18 12:42:20,516 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 530 543) the Hoare annotation is: true [2018-11-18 12:42:20,517 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 530 543) no Hoare annotation was computed. [2018-11-18 12:42:20,517 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 678 684) no Hoare annotation was computed. [2018-11-18 12:42:20,517 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 678 684) the Hoare annotation is: true [2018-11-18 12:42:20,517 INFO L421 ceAbstractionStarter]: At program point L960(lines 911 961) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:42:20,517 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 902 967) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 12:42:20,517 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 902 967) no Hoare annotation was computed. [2018-11-18 12:42:20,517 INFO L425 ceAbstractionStarter]: For program point L950(lines 950 954) no Hoare annotation was computed. [2018-11-18 12:42:20,517 INFO L421 ceAbstractionStarter]: At program point L950-2(lines 942 955) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0))) (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not .cse6)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (= ~methaneLevelCritical~0 1) .cse1 .cse3) (and .cse4 .cse0 .cse1 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and (and (and .cse1 .cse2 .cse3) (<= 2 ~waterLevel~0)) .cse5) (and .cse4 .cse5 .cse6 .cse1 .cse3) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-11-18 12:42:20,517 INFO L425 ceAbstractionStarter]: For program point L913(lines 912 959) no Hoare annotation was computed. [2018-11-18 12:42:20,517 INFO L421 ceAbstractionStarter]: At program point L944(line 944) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0))) (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not .cse6)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (= ~methaneLevelCritical~0 1) .cse1 .cse3) (and .cse4 .cse0 .cse1 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and (and (and .cse1 .cse2 .cse3) (<= 2 ~waterLevel~0)) .cse5) (and .cse4 .cse5 .cse6 .cse1 .cse3) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-11-18 12:42:20,517 INFO L425 ceAbstractionStarter]: For program point L942(lines 942 955) no Hoare annotation was computed. [2018-11-18 12:42:20,518 INFO L421 ceAbstractionStarter]: At program point L934(line 934) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (and (and .cse1 (not .cse3) .cse2) (<= 2 ~waterLevel~0)) .cse4) (and .cse0 .cse4 .cse3 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 12:42:20,518 INFO L425 ceAbstractionStarter]: For program point L932(lines 932 938) no Hoare annotation was computed. [2018-11-18 12:42:20,518 INFO L425 ceAbstractionStarter]: For program point L932-1(lines 932 938) no Hoare annotation was computed. [2018-11-18 12:42:20,518 INFO L421 ceAbstractionStarter]: At program point L957(lines 912 959) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (and (and .cse1 (not .cse3) .cse2) (<= 2 ~waterLevel~0)) .cse4) (and .cse0 .cse4 .cse3 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 12:42:20,518 INFO L421 ceAbstractionStarter]: At program point L924(line 924) the Hoare annotation is: (let ((.cse4 (= ~methAndRunningLastTime~0 0)) (.cse3 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= test_~splverifierCounter~0 0)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 1))) (or (and (and (and .cse0 .cse1 (not .cse2)) (<= 2 ~waterLevel~0)) .cse3) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and .cse4 (= 0 ~methaneLevelCritical~0) .cse1 .cse0) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse4 .cse3 .cse0 .cse2 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 12:42:20,518 INFO L425 ceAbstractionStarter]: For program point L922(lines 922 928) no Hoare annotation was computed. [2018-11-18 12:42:20,518 INFO L425 ceAbstractionStarter]: For program point L922-1(lines 922 928) no Hoare annotation was computed. [2018-11-18 12:42:20,518 INFO L425 ceAbstractionStarter]: For program point L914(lines 914 918) no Hoare annotation was computed. [2018-11-18 12:42:20,518 INFO L425 ceAbstractionStarter]: For program point L912-1(lines 912 959) no Hoare annotation was computed. [2018-11-18 12:42:20,518 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 902 967) no Hoare annotation was computed. [2018-11-18 12:42:20,518 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 737 744) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not .cse6)) (.cse1 (< ~waterLevel~0 2)) (.cse3 (let ((.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse4 .cse5 .cse6) (or (= ~waterLevel~0 0) .cse4 .cse5))))) (and (or (or .cse0 (not (= ~methaneLevelCritical~0 0))) .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse2 .cse0 .cse1 .cse3)))) [2018-11-18 12:42:20,519 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 737 744) no Hoare annotation was computed. [2018-11-18 12:42:20,519 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 737 744) no Hoare annotation was computed. [2018-11-18 12:42:20,519 INFO L421 ceAbstractionStarter]: At program point L887(line 887) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1)) (or .cse0 (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 12:42:20,519 INFO L425 ceAbstractionStarter]: For program point L885(lines 885 891) no Hoare annotation was computed. [2018-11-18 12:42:20,519 INFO L425 ceAbstractionStarter]: For program point L884(lines 884 894) no Hoare annotation was computed. [2018-11-18 12:42:20,519 INFO L421 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (< ~methaneLevelCritical~0 1) .cse0 (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0 .cse1 .cse2) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 12:42:20,519 INFO L425 ceAbstractionStarter]: For program point L882-1(line 882) no Hoare annotation was computed. [2018-11-18 12:42:20,519 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 872 900) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (= 0 ~pumpRunning~0))) (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (< ~waterLevel~0 2)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse2 (not .cse9)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse4 (and (or .cse6 .cse7 .cse9) (or (= ~waterLevel~0 0) .cse6 .cse7))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse5 .cse6 .cse7) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse1 .cse6 .cse7) (or .cse2 .cse3 .cse1 .cse4 .cse8) (or .cse1 .cse3 .cse5 .cse6 .cse7 .cse8) (or .cse2 .cse1 .cse4 (not (= ~waterLevel~0 1)) .cse8)))) [2018-11-18 12:42:20,519 INFO L425 ceAbstractionStarter]: For program point L880(lines 880 897) no Hoare annotation was computed. [2018-11-18 12:42:20,519 INFO L425 ceAbstractionStarter]: For program point L880-1(lines 872 900) no Hoare annotation was computed. [2018-11-18 12:42:20,519 INFO L421 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (= 0 ~pumpRunning~0))) (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (< ~waterLevel~0 2)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse2 (not .cse9)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse4 (and (or .cse6 .cse7 .cse9) (or (= ~waterLevel~0 0) .cse6 .cse7))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse5 .cse6 .cse7) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse1 .cse6 .cse7) (or .cse2 .cse3 .cse1 .cse4 .cse8) (or .cse1 .cse3 .cse5 .cse6 .cse7 .cse8) (or .cse2 .cse1 .cse4 (not (= ~waterLevel~0 1)) .cse8)))) [2018-11-18 12:42:20,520 INFO L425 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2018-11-18 12:42:20,520 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 872 900) no Hoare annotation was computed. [2018-11-18 12:42:20,520 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 864 871) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~methAndRunningLastTime~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 12:42:20,520 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 864 871) no Hoare annotation was computed. [2018-11-18 12:42:20,520 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 864 871) no Hoare annotation was computed. [2018-11-18 12:42:20,520 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:42:20,520 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 12:42:20,520 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:42:20,520 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 758) no Hoare annotation was computed. [2018-11-18 12:42:20,520 INFO L421 ceAbstractionStarter]: At program point L750(line 750) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse1 (not .cse6)) (.cse2 (< ~waterLevel~0 2)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (let ((.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse4 .cse5 .cse6) (or (= ~waterLevel~0 0) .cse4 .cse5))))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse0 .cse3 (not (= ~methaneLevelCritical~0 0)))))) [2018-11-18 12:42:20,520 INFO L425 ceAbstractionStarter]: For program point L750-1(line 750) no Hoare annotation was computed. [2018-11-18 12:42:20,520 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 745 761) no Hoare annotation was computed. [2018-11-18 12:42:20,520 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 745 761) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse1 (not .cse6)) (.cse2 (< ~waterLevel~0 2)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (let ((.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse4 .cse5 .cse6) (or (= ~waterLevel~0 0) .cse4 .cse5))))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse0 .cse3 (not (= ~methaneLevelCritical~0 0)))))) [2018-11-18 12:42:20,521 INFO L421 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse1 (not .cse6)) (.cse2 (< ~waterLevel~0 2)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (let ((.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse4 .cse5 .cse6) (or (= ~waterLevel~0 0) .cse4 .cse5))))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse0 .cse3 (not (= ~methaneLevelCritical~0 0)))))) [2018-11-18 12:42:20,521 INFO L425 ceAbstractionStarter]: For program point L756-1(lines 745 761) no Hoare annotation was computed. [2018-11-18 12:42:20,521 INFO L428 ceAbstractionStarter]: At program point L833(line 833) the Hoare annotation is: true [2018-11-18 12:42:20,521 INFO L425 ceAbstractionStarter]: For program point L835-2(lines 835 839) no Hoare annotation was computed. [2018-11-18 12:42:20,521 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 826 844) no Hoare annotation was computed. [2018-11-18 12:42:20,521 INFO L425 ceAbstractionStarter]: For program point L833-1(line 833) no Hoare annotation was computed. [2018-11-18 12:42:20,521 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 826 844) the Hoare annotation is: true [2018-11-18 12:42:20,521 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 826 844) no Hoare annotation was computed. [2018-11-18 12:42:20,521 INFO L425 ceAbstractionStarter]: For program point L835(lines 835 839) no Hoare annotation was computed. [2018-11-18 12:42:20,521 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 477 488) no Hoare annotation was computed. [2018-11-18 12:42:20,521 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 477 488) the Hoare annotation is: (let ((.cse7 (= 0 ~pumpRunning~0))) (let ((.cse6 (< ~waterLevel~0 2)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse5 (< |old(~methaneLevelCritical~0)| 1)) (.cse1 (not .cse7)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 (or .cse3 .cse7) .cse8) (or .cse6 .cse2 (or .cse0 .cse3 .cse4)) (or .cse5 .cse1 .cse8 .cse3 .cse4) (or (= 0 ~methaneLevelCritical~0) .cse3 .cse4 (not (= |old(~methaneLevelCritical~0)| 0)))))) [2018-11-18 12:42:20,521 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 477 488) no Hoare annotation was computed. [2018-11-18 12:42:20,522 INFO L421 ceAbstractionStarter]: At program point L667(line 667) the Hoare annotation is: (let ((.cse12 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~systemActive~0 1))) (.cse11 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (= 0 |old(~pumpRunning~0)|)) (.cse13 (= ~methAndRunningLastTime~0 0)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (< 0 |old(~waterLevel~0)|)) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (and .cse13 (= |old(~waterLevel~0)| ~waterLevel~0) .cse6)) (.cse9 (not .cse8)) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse3 (or (not (= ~methaneLevelCritical~0 1)) .cse7 .cse11 .cse8)) (.cse2 (or .cse7 .cse12 .cse8))) (and (or .cse0 (or .cse1 .cse2)) (or .cse1 .cse3 .cse0) (or .cse4 .cse5 .cse6 (or .cse7 .cse8)) (or .cse4 .cse9 .cse10 .cse7 .cse11) (or .cse10 .cse9 .cse7 .cse11 .cse12) (or .cse4 (or .cse7 .cse11) .cse5 .cse13) (or .cse3 (and .cse13 .cse6)) (or .cse6 .cse2)))) [2018-11-18 12:42:20,522 INFO L421 ceAbstractionStarter]: At program point L665(lines 665 671) the Hoare annotation is: (let ((.cse14 (not (= ~methaneLevelCritical~0 1))) (.cse9 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse15 (= ~methAndRunningLastTime~0 0)) (.cse16 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (not (= ~systemActive~0 1))) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse13 (= 0 |old(~pumpRunning~0)|))) (let ((.cse2 (or .cse8 .cse10 .cse13)) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (< 0 |old(~waterLevel~0)|)) (.cse12 (< ~methaneLevelCritical~0 1)) (.cse7 (not .cse13)) (.cse11 (and .cse15 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse16)) (.cse6 (and .cse15 .cse16 .cse4)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (or .cse14 .cse8 .cse9 .cse13))) (and (or .cse0 (or .cse1 .cse2)) (or .cse3 .cse4 .cse2) (or .cse0 .cse1 .cse5) (or .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (or .cse12 (< |old(~waterLevel~0)| 2) (or .cse8 .cse13) .cse3) (or .cse14 .cse4 .cse7 .cse8 .cse9) (or .cse12 .cse7 .cse11 .cse6 .cse8 .cse9) (or (and .cse15 .cse3) .cse5)))) [2018-11-18 12:42:20,522 INFO L421 ceAbstractionStarter]: At program point L660(line 660) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not .cse8)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse9 (< ~methaneLevelCritical~0 1)) (.cse10 (< |old(~waterLevel~0)| 2)) (.cse7 (and .cse5 .cse6)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and .cse4 .cse5 .cse6) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2)) (or .cse7 (or .cse1 .cse3 .cse8)) (or .cse9 .cse0 .cse1 .cse2) (or .cse9 .cse4 (or .cse1 .cse2) .cse10) (or .cse9 .cse10 .cse7 (or .cse1 .cse8))))) [2018-11-18 12:42:20,522 INFO L425 ceAbstractionStarter]: For program point L658(lines 657 676) no Hoare annotation was computed. [2018-11-18 12:42:20,522 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 654 677) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|)) (.cse9 (= ~methAndRunningLastTime~0 0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse7 (< ~methaneLevelCritical~0 1)) (.cse10 (< |old(~waterLevel~0)| 2)) (.cse0 (and .cse9 .cse3 .cse4)) (.cse8 (not .cse6)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2)) (or (and .cse3 .cse4) (or .cse1 .cse5 .cse6)) (or .cse7 .cse8 .cse0 .cse1 .cse2) (or .cse7 .cse9 (or .cse1 .cse2) .cse10) (or .cse7 .cse10 (or .cse1 .cse6) (and .cse4 .cse3)) (or .cse0 .cse8 .cse1 .cse2 .cse5)))) [2018-11-18 12:42:20,522 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 654 677) no Hoare annotation was computed. [2018-11-18 12:42:20,522 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 654 677) no Hoare annotation was computed. [2018-11-18 12:42:20,522 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 547 576) no Hoare annotation was computed. [2018-11-18 12:42:20,522 INFO L428 ceAbstractionStarter]: At program point L572(lines 547 576) the Hoare annotation is: true [2018-11-18 12:42:20,522 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-18 12:42:20,523 INFO L425 ceAbstractionStarter]: For program point L558(line 558) no Hoare annotation was computed. [2018-11-18 12:42:20,523 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 547 576) the Hoare annotation is: true [2018-11-18 12:42:20,523 INFO L425 ceAbstractionStarter]: For program point L561(lines 561 565) no Hoare annotation was computed. [2018-11-18 12:42:20,523 INFO L428 ceAbstractionStarter]: At program point L561-1(lines 561 565) the Hoare annotation is: true [2018-11-18 12:42:20,523 INFO L425 ceAbstractionStarter]: For program point L557-1(lines 557 571) no Hoare annotation was computed. [2018-11-18 12:42:20,523 INFO L428 ceAbstractionStarter]: At program point L557-3(lines 557 571) the Hoare annotation is: true [2018-11-18 12:42:20,523 INFO L428 ceAbstractionStarter]: At program point L553(line 553) the Hoare annotation is: true [2018-11-18 12:42:20,523 INFO L425 ceAbstractionStarter]: For program point L553-1(line 553) no Hoare annotation was computed. [2018-11-18 12:42:20,523 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 489 497) the Hoare annotation is: true [2018-11-18 12:42:20,523 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 489 497) no Hoare annotation was computed. [2018-11-18 12:42:20,523 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 489 497) no Hoare annotation was computed. [2018-11-18 12:42:20,523 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 453 464) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse3 (= 0 ~pumpRunning~0))) (let ((.cse1 (or .cse2 .cse3)) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or (or .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) .cse0) (or (< ~methaneLevelCritical~0 1) (< |old(~waterLevel~0)| 2) .cse1 .cse0)))) [2018-11-18 12:42:20,523 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 453 464) no Hoare annotation was computed. [2018-11-18 12:42:20,523 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 453 464) no Hoare annotation was computed. [2018-11-18 12:42:20,524 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 602 608) no Hoare annotation was computed. [2018-11-18 12:42:20,524 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 602 608) the Hoare annotation is: true [2018-11-18 12:42:20,524 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:42:20,524 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-18 12:42:20,524 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:42:20,524 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:42:20,524 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 845 852) no Hoare annotation was computed. [2018-11-18 12:42:20,524 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 845 852) the Hoare annotation is: (let ((.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse4 (= 0 ~pumpRunning~0)) (.cse0 (= ~systemActive~0 1))) (and (or .cse0 (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2)) (or .cse0 (or .cse1 .cse3 .cse4)) (or .cse5 (not .cse4) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 .cse3) (or .cse5 (< ~waterLevel~0 2) (or .cse1 .cse4) .cse0))) [2018-11-18 12:42:20,524 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 845 852) no Hoare annotation was computed. [2018-11-18 12:42:20,524 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 465 476) no Hoare annotation was computed. [2018-11-18 12:42:20,524 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 465 476) no Hoare annotation was computed. [2018-11-18 12:42:20,524 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 465 476) the Hoare annotation is: (let ((.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (or (not .cse2) .cse3 .cse4)) (or (or (or .cse3 (not (= ~methaneLevelCritical~0 0))) .cse4) .cse1) (or .cse1 .cse0 (or .cse3 .cse2) (< |old(~waterLevel~0)| 2)))) [2018-11-18 12:42:20,524 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 854 861) no Hoare annotation was computed. [2018-11-18 12:42:20,525 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 858) no Hoare annotation was computed. [2018-11-18 12:42:20,525 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 854 861) the Hoare annotation is: true [2018-11-18 12:42:20,525 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 854 861) no Hoare annotation was computed. [2018-11-18 12:42:20,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:42:20 BoogieIcfgContainer [2018-11-18 12:42:20,535 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:42:20,535 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:42:20,535 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:42:20,536 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:42:20,536 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:41:50" (3/4) ... [2018-11-18 12:42:20,539 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:42:20,543 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 12:42:20,543 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 12:42:20,543 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:42:20,544 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 12:42:20,544 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 12:42:20,544 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 12:42:20,544 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 12:42:20,544 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 12:42:20,544 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 12:42:20,544 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 12:42:20,544 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 12:42:20,544 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 12:42:20,544 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 12:42:20,544 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-18 12:42:20,544 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 12:42:20,544 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 12:42:20,544 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:42:20,544 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 12:42:20,545 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 12:42:20,545 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 12:42:20,545 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 12:42:20,545 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 12:42:20,545 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 12:42:20,545 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 12:42:20,545 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 12:42:20,545 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 12:42:20,545 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 12:42:20,546 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 12:42:20,551 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 40 nodes and edges [2018-11-18 12:42:20,552 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 12:42:20,552 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 12:42:20,575 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((((systemActive == 1 && !(pumpRunning == 0)) && splverifierCounter == 0) && 2 <= waterLevel) && 1 <= methaneLevelCritical)) || ((((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 12:42:20,576 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 12:42:20,609 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_51d52b41-20db-47ee-a995-4845ee284bd0/bin-2019/utaipan/witness.graphml [2018-11-18 12:42:20,609 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:42:20,610 INFO L168 Benchmark]: Toolchain (without parser) took 30572.26 ms. Allocated memory was 1.0 GB in the beginning and 2.7 GB in the end (delta: 1.7 GB). Free memory was 951.1 MB in the beginning and 1.3 GB in the end (delta: -356.0 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-18 12:42:20,610 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:42:20,610 INFO L168 Benchmark]: CACSL2BoogieTranslator took 368.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -163.7 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:42:20,611 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:42:20,611 INFO L168 Benchmark]: Boogie Preprocessor took 28.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:42:20,611 INFO L168 Benchmark]: RCFGBuilder took 468.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.2 MB). Peak memory consumption was 58.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:42:20,611 INFO L168 Benchmark]: TraceAbstraction took 29607.47 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.6 GB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -254.2 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. [2018-11-18 12:42:20,611 INFO L168 Benchmark]: Witness Printer took 73.89 ms. Allocated memory is still 2.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 242.2 kB). Peak memory consumption was 242.2 kB. Max. memory is 11.5 GB. [2018-11-18 12:42:20,613 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 368.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -163.7 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.29 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 468.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 58.2 MB). Peak memory consumption was 58.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 29607.47 ms. Allocated memory was 1.2 GB in the beginning and 2.7 GB in the end (delta: 1.6 GB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -254.2 MB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. * Witness Printer took 73.89 ms. Allocated memory is still 2.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 242.2 kB). Peak memory consumption was 242.2 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 858]: 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: 547]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: (((((((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((((systemActive == 1 && !(pumpRunning == 0)) && splverifierCounter == 0) && 2 <= waterLevel) && 1 <= methaneLevelCritical)) || ((((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 911]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 557]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 154 locations, 1 error locations. SAFE Result, 29.5s OverallTime, 13 OverallIterations, 6 TraceHistogramMax, 14.6s AutomataDifference, 0.0s DeadEndRemovalTime, 5.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2903 SDtfs, 3107 SDslu, 8430 SDs, 0 SdLazy, 4766 SolverSat, 1837 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1326 GetRequests, 1145 SyntacticMatches, 18 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1282 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2273occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.2s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.9964922222063163 AbsIntWeakeningRatio, 0.9033457249070632 AbsIntAvgWeakeningVarsNumRemoved, 87.76579925650557 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 864 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 3478 PreInvPairs, 3711 NumberOfFragments, 3265 HoareAnnotationTreeSize, 3478 FomulaSimplifications, 31940 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 64 FomulaSimplificationsInter, 41493 FormulaSimplificationTreeSizeReductionInter, 3.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 1869 NumberOfCodeBlocks, 1869 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2300 ConstructedInterpolants, 0 QuantifiedInterpolants, 587898 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1977 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 17 InterpolantComputations, 10 PerfectInterpolantSequences, 959/1049 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...