./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product64_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e8443fd8-5326-4366-9c11-8f11f283df18/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e8443fd8-5326-4366-9c11-8f11f283df18/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e8443fd8-5326-4366-9c11-8f11f283df18/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e8443fd8-5326-4366-9c11-8f11f283df18/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product64_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e8443fd8-5326-4366-9c11-8f11f283df18/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e8443fd8-5326-4366-9c11-8f11f283df18/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 f1df426416c0b8e66bfd1bb2b307ec8233b9df30 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 14:33:39,241 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:33:39,242 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:33:39,250 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:33:39,250 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:33:39,251 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:33:39,252 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:33:39,253 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:33:39,254 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:33:39,255 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:33:39,255 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:33:39,255 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:33:39,256 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:33:39,257 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:33:39,257 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:33:39,257 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:33:39,258 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:33:39,259 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:33:39,261 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:33:39,262 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:33:39,262 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:33:39,263 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:33:39,265 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:33:39,265 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:33:39,265 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:33:39,266 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:33:39,266 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:33:39,267 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:33:39,268 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:33:39,268 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:33:39,269 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:33:39,269 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:33:39,269 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:33:39,269 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:33:39,270 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:33:39,271 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:33:39,271 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e8443fd8-5326-4366-9c11-8f11f283df18/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 14:33:39,281 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:33:39,281 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:33:39,282 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:33:39,282 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 14:33:39,282 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 14:33:39,282 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 14:33:39,282 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 14:33:39,283 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 14:33:39,283 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 14:33:39,283 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 14:33:39,283 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 14:33:39,283 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 14:33:39,283 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 14:33:39,284 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:33:39,284 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 14:33:39,284 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:33:39,284 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 14:33:39,284 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:33:39,284 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:33:39,284 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:33:39,284 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:33:39,285 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 14:33:39,285 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:33:39,285 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:33:39,285 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:33:39,285 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:33:39,285 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 14:33:39,285 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:33:39,285 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 14:33:39,285 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:33:39,286 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:33:39,286 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:33:39,286 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:33:39,286 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 14:33:39,286 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:33:39,286 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 14:33:39,286 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 14:33:39,286 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_e8443fd8-5326-4366-9c11-8f11f283df18/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 -> f1df426416c0b8e66bfd1bb2b307ec8233b9df30 [2018-11-23 14:33:39,308 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:33:39,318 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:33:39,320 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:33:39,321 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:33:39,322 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:33:39,322 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e8443fd8-5326-4366-9c11-8f11f283df18/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product64_true-unreach-call_false-termination.cil.c [2018-11-23 14:33:39,368 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e8443fd8-5326-4366-9c11-8f11f283df18/bin-2019/utaipan/data/ddd083b9e/2adbb23e6c3a4ed88518292ed453b491/FLAG00ecd1f9d [2018-11-23 14:33:39,712 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:33:39,713 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e8443fd8-5326-4366-9c11-8f11f283df18/sv-benchmarks/c/product-lines/minepump_spec1_product64_true-unreach-call_false-termination.cil.c [2018-11-23 14:33:39,723 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e8443fd8-5326-4366-9c11-8f11f283df18/bin-2019/utaipan/data/ddd083b9e/2adbb23e6c3a4ed88518292ed453b491/FLAG00ecd1f9d [2018-11-23 14:33:39,736 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e8443fd8-5326-4366-9c11-8f11f283df18/bin-2019/utaipan/data/ddd083b9e/2adbb23e6c3a4ed88518292ed453b491 [2018-11-23 14:33:39,738 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:33:39,739 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:33:39,740 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:33:39,740 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:33:39,743 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:33:39,744 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:33:39" (1/1) ... [2018-11-23 14:33:39,746 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13d722fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:39, skipping insertion in model container [2018-11-23 14:33:39,747 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:33:39" (1/1) ... [2018-11-23 14:33:39,755 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:33:39,790 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:33:40,007 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:33:40,016 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:33:40,118 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:33:40,135 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:33:40,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:40 WrapperNode [2018-11-23 14:33:40,136 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:33:40,137 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:33:40,137 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:33:40,137 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:33:40,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:40" (1/1) ... [2018-11-23 14:33:40,155 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:40" (1/1) ... [2018-11-23 14:33:40,162 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:33:40,163 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:33:40,163 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:33:40,163 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:33:40,169 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:40" (1/1) ... [2018-11-23 14:33:40,169 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:40" (1/1) ... [2018-11-23 14:33:40,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:40" (1/1) ... [2018-11-23 14:33:40,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:40" (1/1) ... [2018-11-23 14:33:40,182 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:40" (1/1) ... [2018-11-23 14:33:40,187 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:40" (1/1) ... [2018-11-23 14:33:40,189 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:40" (1/1) ... [2018-11-23 14:33:40,192 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:33:40,192 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:33:40,193 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:33:40,193 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:33:40,193 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e8443fd8-5326-4366-9c11-8f11f283df18/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 [2018-11-23 14:33:40,234 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 14:33:40,234 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 14:33:40,234 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 14:33:40,234 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 14:33:40,234 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 14:33:40,234 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 14:33:40,235 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 14:33:40,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 14:33:40,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 14:33:40,235 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 14:33:40,235 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 14:33:40,235 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 14:33:40,235 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 14:33:40,235 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 14:33:40,235 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 14:33:40,236 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 14:33:40,236 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 14:33:40,236 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 14:33:40,236 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 14:33:40,236 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 14:33:40,236 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 14:33:40,236 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 14:33:40,236 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 14:33:40,236 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 14:33:40,236 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 14:33:40,237 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 14:33:40,237 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 14:33:40,237 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 14:33:40,237 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 14:33:40,237 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 14:33:40,237 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 14:33:40,237 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 14:33:40,237 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 14:33:40,237 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 14:33:40,238 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 14:33:40,238 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 14:33:40,238 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 14:33:40,238 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 14:33:40,238 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 14:33:40,238 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 14:33:40,238 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 14:33:40,238 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 14:33:40,238 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 14:33:40,238 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 14:33:40,239 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 14:33:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 14:33:40,239 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 14:33:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 14:33:40,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 14:33:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 14:33:40,239 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 14:33:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 14:33:40,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 14:33:40,239 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 14:33:40,240 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 14:33:40,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 14:33:40,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 14:33:40,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 14:33:40,240 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 14:33:40,240 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 14:33:40,240 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 14:33:40,240 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 14:33:40,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:33:40,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:33:40,241 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-23 14:33:40,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-23 14:33:40,699 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:33:40,700 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 14:33:40,700 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:33:40 BoogieIcfgContainer [2018-11-23 14:33:40,700 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:33:40,701 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 14:33:40,701 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 14:33:40,703 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 14:33:40,703 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:33:39" (1/3) ... [2018-11-23 14:33:40,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38658020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:33:40, skipping insertion in model container [2018-11-23 14:33:40,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:33:40" (2/3) ... [2018-11-23 14:33:40,704 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38658020 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:33:40, skipping insertion in model container [2018-11-23 14:33:40,704 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:33:40" (3/3) ... [2018-11-23 14:33:40,706 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product64_true-unreach-call_false-termination.cil.c [2018-11-23 14:33:40,712 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 14:33:40,717 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 14:33:40,726 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 14:33:40,749 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 14:33:40,749 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 14:33:40,749 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 14:33:40,749 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 14:33:40,749 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 14:33:40,749 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 14:33:40,749 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 14:33:40,749 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 14:33:40,765 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2018-11-23 14:33:40,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 14:33:40,772 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:33:40,773 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:33:40,774 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:33:40,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:33:40,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1935955606, now seen corresponding path program 1 times [2018-11-23 14:33:40,780 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:33:40,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:33:40,812 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:33:40,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:33:40,812 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:33:40,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:33:40,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:33:40,963 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:33:40,964 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 14:33:40,964 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:33:40,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 14:33:40,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 14:33:40,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 14:33:40,977 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 2 states. [2018-11-23 14:33:41,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:33:41,005 INFO L93 Difference]: Finished difference Result 320 states and 399 transitions. [2018-11-23 14:33:41,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 14:33:41,006 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 14:33:41,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:33:41,014 INFO L225 Difference]: With dead ends: 320 [2018-11-23 14:33:41,014 INFO L226 Difference]: Without dead ends: 160 [2018-11-23 14:33:41,017 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 14:33:41,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-11-23 14:33:41,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2018-11-23 14:33:41,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-11-23 14:33:41,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 191 transitions. [2018-11-23 14:33:41,058 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 191 transitions. Word has length 46 [2018-11-23 14:33:41,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:33:41,059 INFO L480 AbstractCegarLoop]: Abstraction has 160 states and 191 transitions. [2018-11-23 14:33:41,059 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 14:33:41,059 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 191 transitions. [2018-11-23 14:33:41,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 14:33:41,061 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:33:41,061 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:33:41,062 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:33:41,062 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:33:41,062 INFO L82 PathProgramCache]: Analyzing trace with hash 699503447, now seen corresponding path program 1 times [2018-11-23 14:33:41,062 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:33:41,063 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:33:41,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:33:41,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:33:41,064 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:33:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:33:41,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:33:41,151 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:33:41,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 14:33:41,151 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:33:41,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 14:33:41,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 14:33:41,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:33:41,153 INFO L87 Difference]: Start difference. First operand 160 states and 191 transitions. Second operand 3 states. [2018-11-23 14:33:41,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:33:41,171 INFO L93 Difference]: Finished difference Result 259 states and 309 transitions. [2018-11-23 14:33:41,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 14:33:41,172 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 14:33:41,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:33:41,173 INFO L225 Difference]: With dead ends: 259 [2018-11-23 14:33:41,173 INFO L226 Difference]: Without dead ends: 151 [2018-11-23 14:33:41,174 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:33:41,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-11-23 14:33:41,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-11-23 14:33:41,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-11-23 14:33:41,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 179 transitions. [2018-11-23 14:33:41,183 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 179 transitions. Word has length 47 [2018-11-23 14:33:41,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:33:41,184 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 179 transitions. [2018-11-23 14:33:41,184 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 14:33:41,184 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 179 transitions. [2018-11-23 14:33:41,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 14:33:41,185 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:33:41,185 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:33:41,185 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:33:41,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:33:41,185 INFO L82 PathProgramCache]: Analyzing trace with hash -707550223, now seen corresponding path program 1 times [2018-11-23 14:33:41,186 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:33:41,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:33:41,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:33:41,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:33:41,186 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:33:41,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:33:41,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:33:41,291 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:33:41,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 14:33:41,291 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:33:41,291 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 14:33:41,292 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 14:33:41,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 14:33:41,292 INFO L87 Difference]: Start difference. First operand 151 states and 179 transitions. Second operand 7 states. [2018-11-23 14:33:41,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:33:41,706 INFO L93 Difference]: Finished difference Result 455 states and 557 transitions. [2018-11-23 14:33:41,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 14:33:41,707 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-23 14:33:41,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:33:41,710 INFO L225 Difference]: With dead ends: 455 [2018-11-23 14:33:41,710 INFO L226 Difference]: Without dead ends: 328 [2018-11-23 14:33:41,711 INFO L631 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 [2018-11-23 14:33:41,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2018-11-23 14:33:41,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 316. [2018-11-23 14:33:41,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2018-11-23 14:33:41,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 386 transitions. [2018-11-23 14:33:41,744 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 386 transitions. Word has length 52 [2018-11-23 14:33:41,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:33:41,744 INFO L480 AbstractCegarLoop]: Abstraction has 316 states and 386 transitions. [2018-11-23 14:33:41,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 14:33:41,744 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 386 transitions. [2018-11-23 14:33:41,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 14:33:41,747 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:33:41,747 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:33:41,748 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:33:41,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:33:41,748 INFO L82 PathProgramCache]: Analyzing trace with hash -1758028970, now seen corresponding path program 1 times [2018-11-23 14:33:41,748 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:33:41,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:33:41,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:33:41,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:33:41,749 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:33:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:33:41,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:33:41,834 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:33:41,834 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 14:33:41,834 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:33:41,834 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 14:33:41,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 14:33:41,835 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 14:33:41,835 INFO L87 Difference]: Start difference. First operand 316 states and 386 transitions. Second operand 6 states. [2018-11-23 14:33:41,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:33:41,992 INFO L93 Difference]: Finished difference Result 885 states and 1106 transitions. [2018-11-23 14:33:41,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 14:33:41,993 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-11-23 14:33:41,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:33:41,996 INFO L225 Difference]: With dead ends: 885 [2018-11-23 14:33:41,996 INFO L226 Difference]: Without dead ends: 593 [2018-11-23 14:33:41,998 INFO L631 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 [2018-11-23 14:33:42,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2018-11-23 14:33:42,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 587. [2018-11-23 14:33:42,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2018-11-23 14:33:42,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 722 transitions. [2018-11-23 14:33:42,041 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 722 transitions. Word has length 57 [2018-11-23 14:33:42,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:33:42,042 INFO L480 AbstractCegarLoop]: Abstraction has 587 states and 722 transitions. [2018-11-23 14:33:42,042 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 14:33:42,042 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 722 transitions. [2018-11-23 14:33:42,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 14:33:42,045 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:33:42,045 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:33:42,045 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:33:42,045 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:33:42,046 INFO L82 PathProgramCache]: Analyzing trace with hash -25290534, now seen corresponding path program 1 times [2018-11-23 14:33:42,046 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:33:42,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:33:42,047 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:33:42,047 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:33:42,047 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:33:42,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:33:42,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:33:42,171 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:33:42,171 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 14:33:42,171 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:33:42,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 14:33:42,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 14:33:42,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 14:33:42,172 INFO L87 Difference]: Start difference. First operand 587 states and 722 transitions. Second operand 7 states. [2018-11-23 14:33:42,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:33:42,659 INFO L93 Difference]: Finished difference Result 1538 states and 2007 transitions. [2018-11-23 14:33:42,659 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 14:33:42,659 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-11-23 14:33:42,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:33:42,663 INFO L225 Difference]: With dead ends: 1538 [2018-11-23 14:33:42,663 INFO L226 Difference]: Without dead ends: 975 [2018-11-23 14:33:42,666 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 14:33:42,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2018-11-23 14:33:42,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 877. [2018-11-23 14:33:42,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 877 states. [2018-11-23 14:33:42,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1063 transitions. [2018-11-23 14:33:42,719 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1063 transitions. Word has length 61 [2018-11-23 14:33:42,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:33:42,720 INFO L480 AbstractCegarLoop]: Abstraction has 877 states and 1063 transitions. [2018-11-23 14:33:42,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 14:33:42,720 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1063 transitions. [2018-11-23 14:33:42,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 14:33:42,722 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:33:42,722 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:33:42,722 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:33:42,723 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:33:42,723 INFO L82 PathProgramCache]: Analyzing trace with hash -841415156, now seen corresponding path program 1 times [2018-11-23 14:33:42,723 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:33:42,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:33:42,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:33:42,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:33:42,724 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:33:42,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:33:42,781 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 14:33:42,781 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:33:42,781 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 14:33:42,782 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:33:42,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 14:33:42,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 14:33:42,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 14:33:42,783 INFO L87 Difference]: Start difference. First operand 877 states and 1063 transitions. Second operand 6 states. [2018-11-23 14:33:42,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:33:42,836 INFO L93 Difference]: Finished difference Result 1758 states and 2206 transitions. [2018-11-23 14:33:42,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 14:33:42,838 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-11-23 14:33:42,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:33:42,842 INFO L225 Difference]: With dead ends: 1758 [2018-11-23 14:33:42,842 INFO L226 Difference]: Without dead ends: 905 [2018-11-23 14:33:42,844 INFO L631 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 [2018-11-23 14:33:42,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2018-11-23 14:33:42,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 897. [2018-11-23 14:33:42,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 897 states. [2018-11-23 14:33:42,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1083 transitions. [2018-11-23 14:33:42,889 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1083 transitions. Word has length 104 [2018-11-23 14:33:42,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:33:42,889 INFO L480 AbstractCegarLoop]: Abstraction has 897 states and 1083 transitions. [2018-11-23 14:33:42,890 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 14:33:42,890 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1083 transitions. [2018-11-23 14:33:42,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 14:33:42,892 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:33:42,892 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:33:42,892 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:33:42,892 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:33:42,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1194503538, now seen corresponding path program 1 times [2018-11-23 14:33:42,893 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:33:42,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:33:42,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:33:42,894 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:33:42,894 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:33:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:33:42,989 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 14:33:42,989 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:33:42,989 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 14:33:42,989 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:33:42,989 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 14:33:42,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 14:33:42,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 14:33:42,990 INFO L87 Difference]: Start difference. First operand 897 states and 1083 transitions. Second operand 8 states. [2018-11-23 14:33:43,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:33:43,081 INFO L93 Difference]: Finished difference Result 1798 states and 2246 transitions. [2018-11-23 14:33:43,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 14:33:43,081 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2018-11-23 14:33:43,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:33:43,085 INFO L225 Difference]: With dead ends: 1798 [2018-11-23 14:33:43,086 INFO L226 Difference]: Without dead ends: 925 [2018-11-23 14:33:43,088 INFO L631 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 [2018-11-23 14:33:43,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2018-11-23 14:33:43,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 913. [2018-11-23 14:33:43,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 913 states. [2018-11-23 14:33:43,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1099 transitions. [2018-11-23 14:33:43,151 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1099 transitions. Word has length 104 [2018-11-23 14:33:43,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:33:43,151 INFO L480 AbstractCegarLoop]: Abstraction has 913 states and 1099 transitions. [2018-11-23 14:33:43,151 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 14:33:43,151 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1099 transitions. [2018-11-23 14:33:43,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-23 14:33:43,153 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:33:43,153 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:33:43,153 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:33:43,153 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:33:43,154 INFO L82 PathProgramCache]: Analyzing trace with hash -61312945, now seen corresponding path program 1 times [2018-11-23 14:33:43,154 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:33:43,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:33:43,154 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:33:43,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:33:43,155 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:33:43,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:33:43,225 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 14:33:43,226 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:33:43,226 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 14:33:43,226 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:33:43,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 14:33:43,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 14:33:43,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 14:33:43,228 INFO L87 Difference]: Start difference. First operand 913 states and 1099 transitions. Second operand 4 states. [2018-11-23 14:33:43,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:33:43,463 INFO L93 Difference]: Finished difference Result 2891 states and 3646 transitions. [2018-11-23 14:33:43,464 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 14:33:43,464 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-11-23 14:33:43,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:33:43,473 INFO L225 Difference]: With dead ends: 2891 [2018-11-23 14:33:43,473 INFO L226 Difference]: Without dead ends: 2002 [2018-11-23 14:33:43,477 INFO L631 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 [2018-11-23 14:33:43,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2002 states. [2018-11-23 14:33:43,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2002 to 1971. [2018-11-23 14:33:43,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1971 states. [2018-11-23 14:33:43,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1971 states to 1971 states and 2435 transitions. [2018-11-23 14:33:43,577 INFO L78 Accepts]: Start accepts. Automaton has 1971 states and 2435 transitions. Word has length 104 [2018-11-23 14:33:43,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:33:43,577 INFO L480 AbstractCegarLoop]: Abstraction has 1971 states and 2435 transitions. [2018-11-23 14:33:43,577 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 14:33:43,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1971 states and 2435 transitions. [2018-11-23 14:33:43,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 14:33:43,581 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:33:43,581 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:33:43,581 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:33:43,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:33:43,581 INFO L82 PathProgramCache]: Analyzing trace with hash 913162921, now seen corresponding path program 1 times [2018-11-23 14:33:43,581 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:33:43,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:33:43,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:33:43,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:33:43,582 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:33:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:33:43,689 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 14:33:43,689 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:33:43,689 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:33:43,690 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 109 with the following transitions: [2018-11-23 14:33:43,692 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [46], [47], [59], [62], [64], [65], [68], [72], [73], [74], [89], [92], [94], [103], [107], [111], [114], [119], [122], [127], [133], [139], [147], [148], [151], [152], [153], [155], [160], [163], [164], [166], [171], [173], [174], [179], [181], [187], [191], [224], [225], [233], [239], [242], [244], [247], [257], [260], [264], [265], [268], [270], [273], [275], [278], [287], [288], [289], [290], [291], [292], [293], [294], [295], [303], [304], [309], [311], [312], [319], [320], [321], [322], [323], [324], [329], [333], [334], [335], [336], [337], [338], [341], [342], [343], [349], [350], [351], [353], [354], [355], [356], [361], [362], [363], [364], [365] [2018-11-23 14:33:43,724 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:33:43,724 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:33:44,133 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 14:33:44,134 INFO L272 AbstractInterpreter]: Visited 80 different actions 80 times. Never merged. Never widened. Performed 2727 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2727 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-11-23 14:33:44,142 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:33:44,142 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 14:33:44,453 INFO L227 lantSequenceWeakener]: Weakened 78 states. On average, predicates are now at 97.31% of their original sizes. [2018-11-23 14:33:44,453 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 14:33:44,536 INFO L415 sIntCurrentIteration]: We unified 107 AI predicates to 107 [2018-11-23 14:33:44,536 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 14:33:44,537 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 14:33:44,537 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [15] imperfect sequences [13] total 26 [2018-11-23 14:33:44,537 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:33:44,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 14:33:44,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 14:33:44,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=170, Unknown=0, NotChecked=0, Total=210 [2018-11-23 14:33:44,537 INFO L87 Difference]: Start difference. First operand 1971 states and 2435 transitions. Second operand 15 states. [2018-11-23 14:33:48,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:33:48,493 INFO L93 Difference]: Finished difference Result 4267 states and 5301 transitions. [2018-11-23 14:33:48,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-23 14:33:48,493 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 108 [2018-11-23 14:33:48,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:33:48,499 INFO L225 Difference]: With dead ends: 4267 [2018-11-23 14:33:48,499 INFO L226 Difference]: Without dead ends: 2320 [2018-11-23 14:33:48,503 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 119 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 106 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=578, Unknown=0, NotChecked=0, Total=702 [2018-11-23 14:33:48,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2320 states. [2018-11-23 14:33:48,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2320 to 2301. [2018-11-23 14:33:48,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2301 states. [2018-11-23 14:33:48,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2301 states to 2301 states and 2750 transitions. [2018-11-23 14:33:48,569 INFO L78 Accepts]: Start accepts. Automaton has 2301 states and 2750 transitions. Word has length 108 [2018-11-23 14:33:48,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:33:48,570 INFO L480 AbstractCegarLoop]: Abstraction has 2301 states and 2750 transitions. [2018-11-23 14:33:48,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 14:33:48,570 INFO L276 IsEmpty]: Start isEmpty. Operand 2301 states and 2750 transitions. [2018-11-23 14:33:48,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-23 14:33:48,574 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:33:48,575 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:33:48,575 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:33:48,575 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:33:48,575 INFO L82 PathProgramCache]: Analyzing trace with hash 674893287, now seen corresponding path program 1 times [2018-11-23 14:33:48,575 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 14:33:48,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:33:48,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:33:48,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:33:48,576 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 14:33:48,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:33:48,694 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 14:33:48,694 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:33:48,694 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 14:33:48,694 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 179 with the following transitions: [2018-11-23 14:33:48,695 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [46], [47], [48], [50], [53], [57], [58], [59], [62], [64], [65], [68], [72], [73], [74], [77], [79], [85], [89], [92], [93], [94], [103], [107], [111], [114], [117], [119], [122], [125], [127], [133], [139], [147], [148], [149], [150], [151], [152], [153], [155], [160], [163], [164], [166], [171], [173], [174], [179], [181], [184], [187], [191], [197], [224], [225], [228], [232], [233], [239], [242], [244], [247], [254], [257], [260], [264], [265], [268], [270], [273], [275], [278], [284], [286], [287], [288], [289], [290], [291], [292], [293], [294], [295], [297], [298], [301], [302], [303], [304], [307], [308], [309], [311], [312], [313], [314], [317], [318], [319], [320], [321], [322], [323], [324], [329], [330], [333], [334], [335], [336], [337], [338], [339], [340], [341], [342], [343], [344], [349], [350], [351], [353], [354], [355], [356], [359], [360], [361], [362], [363], [364], [365] [2018-11-23 14:33:48,699 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 14:33:48,699 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 14:33:50,565 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 14:33:50,566 INFO L272 AbstractInterpreter]: Visited 145 different actions 1422 times. Merged at 21 different actions 99 times. Never widened. Performed 48522 root evaluator evaluations with a maximum evaluation depth of 5. Performed 48522 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 23 fixpoints after 5 different actions. Largest state had 133 variables. [2018-11-23 14:33:50,571 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:33:50,571 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 14:33:50,571 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:33:50,572 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e8443fd8-5326-4366-9c11-8f11f283df18/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 [2018-11-23 14:33:50,578 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:33:50,578 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 14:33:50,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:33:50,694 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:33:50,816 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 14:33:50,816 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 14:33:51,164 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-23 14:33:51,181 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 14:33:51,181 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-11-23 14:33:51,181 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 14:33:51,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 14:33:51,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 14:33:51,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 14:33:51,182 INFO L87 Difference]: Start difference. First operand 2301 states and 2750 transitions. Second operand 8 states. [2018-11-23 14:33:51,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:33:51,397 INFO L93 Difference]: Finished difference Result 3635 states and 4436 transitions. [2018-11-23 14:33:51,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 14:33:51,397 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 178 [2018-11-23 14:33:51,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:33:51,398 INFO L225 Difference]: With dead ends: 3635 [2018-11-23 14:33:51,398 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 14:33:51,403 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 341 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 14:33:51,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 14:33:51,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 14:33:51,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 14:33:51,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 14:33:51,404 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2018-11-23 14:33:51,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:33:51,404 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 14:33:51,404 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 14:33:51,404 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 14:33:51,404 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 14:33:51,408 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 14:33:51,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,598 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:51,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:52,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:52,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:52,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:52,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:52,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:52,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:52,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:52,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:52,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:52,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:52,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:52,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:52,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:52,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:52,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:33:53,045 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 41 [2018-11-23 14:33:53,405 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 22 [2018-11-23 14:33:53,776 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 38 [2018-11-23 14:33:54,152 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 17 [2018-11-23 14:33:54,469 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 19 [2018-11-23 14:33:54,989 WARN L180 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 40 [2018-11-23 14:33:55,183 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2018-11-23 14:33:55,183 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2018-11-23 14:33:55,183 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2018-11-23 14:33:55,183 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2018-11-23 14:33:55,183 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2018-11-23 14:33:55,184 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 558 580) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:33:55,184 INFO L444 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:33:55,184 INFO L444 ceAbstractionStarter]: At program point L570-1(line 570) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:33:55,184 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 558 580) no Hoare annotation was computed. [2018-11-23 14:33:55,184 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 575) no Hoare annotation was computed. [2018-11-23 14:33:55,184 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 568 575) no Hoare annotation was computed. [2018-11-23 14:33:55,184 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-23 14:33:55,184 INFO L444 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:33:55,184 INFO L444 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:33:55,185 INFO L444 ceAbstractionStarter]: At program point L564-1(line 564) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:33:55,185 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 558 580) no Hoare annotation was computed. [2018-11-23 14:33:55,185 INFO L444 ceAbstractionStarter]: At program point L670(line 670) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= 0 ~pumpRunning~0) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 14:33:55,185 INFO L448 ceAbstractionStarter]: For program point L670-1(lines 651 675) no Hoare annotation was computed. [2018-11-23 14:33:55,185 INFO L444 ceAbstractionStarter]: At program point L665(line 665) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-23 14:33:55,185 INFO L444 ceAbstractionStarter]: At program point L661(line 661) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-23 14:33:55,185 INFO L448 ceAbstractionStarter]: For program point L659(lines 659 667) no Hoare annotation was computed. [2018-11-23 14:33:55,185 INFO L444 ceAbstractionStarter]: At program point L657(line 657) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-23 14:33:55,185 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 651 675) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 14:33:55,185 INFO L448 ceAbstractionStarter]: For program point L657-1(line 657) no Hoare annotation was computed. [2018-11-23 14:33:55,185 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 672) no Hoare annotation was computed. [2018-11-23 14:33:55,185 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 651 675) no Hoare annotation was computed. [2018-11-23 14:33:55,185 INFO L448 ceAbstractionStarter]: For program point L833(lines 833 839) no Hoare annotation was computed. [2018-11-23 14:33:55,186 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 829 843) no Hoare annotation was computed. [2018-11-23 14:33:55,186 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 829 843) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (= ~systemActive~0 1)) (.cse4 (not (= |old(~systemActive~0)| 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (and (not (= ~systemActive~0 0)) .cse2)) (.cse7 (= |old(~systemActive~0)| 0))) (and (or (or .cse0 .cse1) .cse2) (or .cse3 .cse4 .cse1) (or .cse5 .cse3 .cse4) (or .cse5 .cse0 .cse2) (or .cse6 .cse7 .cse1) (or .cse5 .cse6 .cse7)))) [2018-11-23 14:33:55,186 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 829 843) no Hoare annotation was computed. [2018-11-23 14:33:55,186 INFO L444 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 1)) (.cse3 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse6 (= |old(~systemActive~0)| 0))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3) (or .cse1 .cse4) (or .cse5 .cse6 .cse4) (or .cse0 .cse5 .cse6))) [2018-11-23 14:33:55,186 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 746 754) no Hoare annotation was computed. [2018-11-23 14:33:55,186 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 746 754) the Hoare annotation is: true [2018-11-23 14:33:55,186 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 746 754) no Hoare annotation was computed. [2018-11-23 14:33:55,186 INFO L451 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: true [2018-11-23 14:33:55,186 INFO L448 ceAbstractionStarter]: For program point L819-2(lines 819 823) no Hoare annotation was computed. [2018-11-23 14:33:55,186 INFO L448 ceAbstractionStarter]: For program point L817-1(line 817) no Hoare annotation was computed. [2018-11-23 14:33:55,186 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 810 828) the Hoare annotation is: true [2018-11-23 14:33:55,186 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 810 828) no Hoare annotation was computed. [2018-11-23 14:33:55,186 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 823) no Hoare annotation was computed. [2018-11-23 14:33:55,187 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 810 828) no Hoare annotation was computed. [2018-11-23 14:33:55,187 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2018-11-23 14:33:55,187 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2018-11-23 14:33:55,187 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 548 557) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:33:55,187 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 548 557) no Hoare annotation was computed. [2018-11-23 14:33:55,187 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 548 557) no Hoare annotation was computed. [2018-11-23 14:33:55,187 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 735 745) the Hoare annotation is: true [2018-11-23 14:33:55,187 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 735 745) no Hoare annotation was computed. [2018-11-23 14:33:55,187 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 735 745) no Hoare annotation was computed. [2018-11-23 14:33:55,187 INFO L451 ceAbstractionStarter]: At program point L740(line 740) the Hoare annotation is: true [2018-11-23 14:33:55,187 INFO L448 ceAbstractionStarter]: For program point L740-1(line 740) no Hoare annotation was computed. [2018-11-23 14:33:55,187 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 727 734) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-23 14:33:55,187 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 727 734) no Hoare annotation was computed. [2018-11-23 14:33:55,187 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 727 734) no Hoare annotation was computed. [2018-11-23 14:33:55,187 INFO L448 ceAbstractionStarter]: For program point L937(lines 937 943) no Hoare annotation was computed. [2018-11-23 14:33:55,187 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 933 946) no Hoare annotation was computed. [2018-11-23 14:33:55,188 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 933 946) the Hoare annotation is: true [2018-11-23 14:33:55,188 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 933 946) no Hoare annotation was computed. [2018-11-23 14:33:55,188 INFO L444 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: (let ((.cse1 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 14:33:55,188 INFO L448 ceAbstractionStarter]: For program point L696-1(lines 677 701) no Hoare annotation was computed. [2018-11-23 14:33:55,188 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 677 701) no Hoare annotation was computed. [2018-11-23 14:33:55,188 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 677 701) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-23 14:33:55,188 INFO L444 ceAbstractionStarter]: At program point L691(line 691) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2018-11-23 14:33:55,188 INFO L444 ceAbstractionStarter]: At program point L687(line 687) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse0 .cse1) (or .cse4 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~7) .cse3) .cse1))) [2018-11-23 14:33:55,188 INFO L448 ceAbstractionStarter]: For program point L685(lines 685 693) no Hoare annotation was computed. [2018-11-23 14:33:55,188 INFO L444 ceAbstractionStarter]: At program point L683(line 683) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse0 .cse1) (or .cse4 .cse3 .cse1))) [2018-11-23 14:33:55,188 INFO L448 ceAbstractionStarter]: For program point L683-1(line 683) no Hoare annotation was computed. [2018-11-23 14:33:55,188 INFO L448 ceAbstractionStarter]: For program point L681(lines 681 698) no Hoare annotation was computed. [2018-11-23 14:33:55,188 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 617 623) no Hoare annotation was computed. [2018-11-23 14:33:55,189 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 617 623) the Hoare annotation is: true [2018-11-23 14:33:55,189 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 957 1024) the Hoare annotation is: (or (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:33:55,189 INFO L444 ceAbstractionStarter]: At program point L989(line 989) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse1) (and .cse2 (= ~methaneLevelCritical~0 1) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-11-23 14:33:55,189 INFO L448 ceAbstractionStarter]: For program point L987(lines 987 993) no Hoare annotation was computed. [2018-11-23 14:33:55,189 INFO L448 ceAbstractionStarter]: For program point L987-1(lines 987 993) no Hoare annotation was computed. [2018-11-23 14:33:55,189 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 957 1024) no Hoare annotation was computed. [2018-11-23 14:33:55,189 INFO L444 ceAbstractionStarter]: At program point L1014(lines 967 1016) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse1) (and .cse2 (= ~methaneLevelCritical~0 1) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-11-23 14:33:55,189 INFO L444 ceAbstractionStarter]: At program point L979(line 979) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse1) (and .cse2 (= ~methaneLevelCritical~0 1) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-11-23 14:33:55,189 INFO L448 ceAbstractionStarter]: For program point L977(lines 977 983) no Hoare annotation was computed. [2018-11-23 14:33:55,189 INFO L448 ceAbstractionStarter]: For program point L977-1(lines 977 983) no Hoare annotation was computed. [2018-11-23 14:33:55,189 INFO L448 ceAbstractionStarter]: For program point L969(lines 969 973) no Hoare annotation was computed. [2018-11-23 14:33:55,189 INFO L444 ceAbstractionStarter]: At program point L1017(lines 966 1018) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:33:55,190 INFO L444 ceAbstractionStarter]: At program point L1007(line 1007) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 0))) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse4 .cse2) (and .cse0 .cse3 .cse2))) [2018-11-23 14:33:55,190 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1011) no Hoare annotation was computed. [2018-11-23 14:33:55,190 INFO L444 ceAbstractionStarter]: At program point L1005-1(lines 997 1012) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 0))) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse1 .cse4 .cse2) (and .cse0 .cse3 .cse2))) [2018-11-23 14:33:55,190 INFO L448 ceAbstractionStarter]: For program point L968(lines 967 1016) no Hoare annotation was computed. [2018-11-23 14:33:55,190 INFO L444 ceAbstractionStarter]: At program point L999(line 999) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 14:33:55,190 INFO L448 ceAbstractionStarter]: For program point L997(lines 997 1012) no Hoare annotation was computed. [2018-11-23 14:33:55,190 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 957 1024) no Hoare annotation was computed. [2018-11-23 14:33:55,190 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 702 709) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 14:33:55,190 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 702 709) no Hoare annotation was computed. [2018-11-23 14:33:55,190 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 702 709) no Hoare annotation was computed. [2018-11-23 14:33:55,190 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 947 955) no Hoare annotation was computed. [2018-11-23 14:33:55,190 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 947 955) the Hoare annotation is: true [2018-11-23 14:33:55,190 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 947 955) no Hoare annotation was computed. [2018-11-23 14:33:55,190 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:33:55,191 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-23 14:33:55,191 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:33:55,191 INFO L444 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-23 14:33:55,191 INFO L448 ceAbstractionStarter]: For program point L721-1(lines 710 726) no Hoare annotation was computed. [2018-11-23 14:33:55,191 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 723) no Hoare annotation was computed. [2018-11-23 14:33:55,191 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 710 726) no Hoare annotation was computed. [2018-11-23 14:33:55,191 INFO L444 ceAbstractionStarter]: At program point L715(line 715) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-23 14:33:55,191 INFO L448 ceAbstractionStarter]: For program point L715-1(line 715) no Hoare annotation was computed. [2018-11-23 14:33:55,191 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 710 726) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-23 14:33:55,191 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 791 809) no Hoare annotation was computed. [2018-11-23 14:33:55,191 INFO L448 ceAbstractionStarter]: For program point L800(lines 800 804) no Hoare annotation was computed. [2018-11-23 14:33:55,191 INFO L451 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2018-11-23 14:33:55,191 INFO L448 ceAbstractionStarter]: For program point L800-2(lines 800 804) no Hoare annotation was computed. [2018-11-23 14:33:55,191 INFO L448 ceAbstractionStarter]: For program point L798-1(line 798) no Hoare annotation was computed. [2018-11-23 14:33:55,191 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 791 809) the Hoare annotation is: true [2018-11-23 14:33:55,192 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 791 809) no Hoare annotation was computed. [2018-11-23 14:33:55,192 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 880 891) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= ~methaneLevelCritical~0 1)) (or .cse0 .cse1 .cse2) (or .cse2 (= ~systemActive~0 0) .cse1))) [2018-11-23 14:33:55,192 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 880 891) no Hoare annotation was computed. [2018-11-23 14:33:55,192 INFO L448 ceAbstractionStarter]: For program point L884-1(lines 880 891) no Hoare annotation was computed. [2018-11-23 14:33:55,192 INFO L444 ceAbstractionStarter]: At program point L606(line 606) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 0)) (.cse1 (= |old(~waterLevel~0)| 1))) (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse8 (= 1 ~waterLevel~0)) (.cse9 (not .cse1)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not .cse6)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (= ~waterLevel~0 2)) (.cse11 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4)) (or .cse5 .cse6 .cse7) (or .cse8 .cse2 .cse9 .cse7) (or .cse1 .cse2 .cse4 .cse7) (or .cse0 .cse2 (and .cse8 .cse3) .cse9) (or .cse2 (not (= ~systemActive~0 1)) .cse10 .cse7 .cse11) (or .cse0 .cse5 .cse6) (or .cse3 .cse2 .cse7) (or .cse0 .cse2 .cse10 .cse11)))) [2018-11-23 14:33:55,192 INFO L444 ceAbstractionStarter]: At program point L604(lines 604 610) the Hoare annotation is: (let ((.cse9 (= ~systemActive~0 0)) (.cse6 (not (= ~waterLevel~0 1))) (.cse5 (= |old(~waterLevel~0)| 1))) (let ((.cse3 (= 1 ~waterLevel~0)) (.cse1 (not .cse5)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (and (not .cse9) .cse6)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse10 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6) (or .cse0 .cse7 .cse2 .cse8) (or .cse4 .cse0 .cse8) (or .cse5 .cse6 .cse0 .cse2) (or .cse4 .cse9 .cse10) (or .cse4 .cse0 .cse3 .cse1) (or .cse4 (= ~waterLevel~0 2) .cse0 (not (= |old(~waterLevel~0)| 2))) (or .cse8 .cse9 .cse7 .cse2 .cse10)))) [2018-11-23 14:33:55,192 INFO L444 ceAbstractionStarter]: At program point L599(line 599) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (= ~systemActive~0 0))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse1 .cse4) (or .cse0 .cse2 .cse3))) [2018-11-23 14:33:55,192 INFO L448 ceAbstractionStarter]: For program point L597(lines 596 615) no Hoare annotation was computed. [2018-11-23 14:33:55,192 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 593 616) the Hoare annotation is: (let ((.cse2 (= |old(~waterLevel~0)| 1))) (let ((.cse8 (= 1 ~waterLevel~0)) (.cse7 (not .cse2)) (.cse9 (= ~waterLevel~0 2)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse10 (not (= |old(~waterLevel~0)| 2))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~waterLevel~0 1))) (.cse3 (= ~systemActive~0 0)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 .cse5) (or .cse1 .cse2 .cse6 .cse0) (or .cse2 (and .cse0 .cse4) .cse6 .cse5) (or .cse1 .cse6 .cse4) (or .cse6 .cse7 .cse5 (and .cse8 .cse4)) (or .cse6 (not (= ~systemActive~0 1)) .cse9 .cse5 .cse10) (or .cse1 .cse6 .cse8 .cse7) (or .cse1 .cse9 .cse6 .cse10) (or .cse1 .cse4 .cse3) (or .cse2 .cse0 .cse3 .cse5)))) [2018-11-23 14:33:55,193 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 593 616) no Hoare annotation was computed. [2018-11-23 14:33:55,193 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 593 616) no Hoare annotation was computed. [2018-11-23 14:33:55,193 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 483 512) no Hoare annotation was computed. [2018-11-23 14:33:55,193 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 483 512) the Hoare annotation is: true [2018-11-23 14:33:55,193 INFO L451 ceAbstractionStarter]: At program point L508(lines 483 512) the Hoare annotation is: true [2018-11-23 14:33:55,193 INFO L448 ceAbstractionStarter]: For program point L504(line 504) no Hoare annotation was computed. [2018-11-23 14:33:55,193 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 501) no Hoare annotation was computed. [2018-11-23 14:33:55,193 INFO L451 ceAbstractionStarter]: At program point L497-1(lines 497 501) the Hoare annotation is: true [2018-11-23 14:33:55,193 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-23 14:33:55,193 INFO L451 ceAbstractionStarter]: At program point L493-2(lines 493 507) the Hoare annotation is: true [2018-11-23 14:33:55,193 INFO L451 ceAbstractionStarter]: At program point L489(line 489) the Hoare annotation is: true [2018-11-23 14:33:55,193 INFO L448 ceAbstractionStarter]: For program point L489-1(line 489) no Hoare annotation was computed. [2018-11-23 14:33:55,193 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 892 900) the Hoare annotation is: true [2018-11-23 14:33:55,193 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 892 900) no Hoare annotation was computed. [2018-11-23 14:33:55,193 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 892 900) no Hoare annotation was computed. [2018-11-23 14:33:55,193 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 856 867) the Hoare annotation is: true [2018-11-23 14:33:55,193 INFO L448 ceAbstractionStarter]: For program point L860-1(lines 856 867) no Hoare annotation was computed. [2018-11-23 14:33:55,194 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 856 867) no Hoare annotation was computed. [2018-11-23 14:33:55,194 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 540 546) no Hoare annotation was computed. [2018-11-23 14:33:55,194 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 540 546) the Hoare annotation is: true [2018-11-23 14:33:55,194 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:33:55,194 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-23 14:33:55,194 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 14:33:55,194 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:33:55,194 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 844 851) no Hoare annotation was computed. [2018-11-23 14:33:55,194 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 844 851) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse0 (= ~systemActive~0 1)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse1 .cse2 .cse0 .cse3 (not (= ~waterLevel~0 2))))) [2018-11-23 14:33:55,194 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 844 851) no Hoare annotation was computed. [2018-11-23 14:33:55,194 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 625 649) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 14:33:55,194 INFO L444 ceAbstractionStarter]: At program point L639(line 639) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse0 (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and .cse0 .cse1) (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or .cse2 (not (= ~methaneLevelCritical~0 0)) (and .cse0 (= 0 ~pumpRunning~0) .cse1)))) [2018-11-23 14:33:55,194 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 625 649) no Hoare annotation was computed. [2018-11-23 14:33:55,195 INFO L444 ceAbstractionStarter]: At program point L635(line 635) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse4 (not (= ~waterLevel~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse2 (and (= 0 ~pumpRunning~0) .cse3) .cse5) (or .cse2 .cse4 .cse5))) [2018-11-23 14:33:55,195 INFO L448 ceAbstractionStarter]: For program point L633(lines 633 641) no Hoare annotation was computed. [2018-11-23 14:33:55,195 INFO L444 ceAbstractionStarter]: At program point L631(line 631) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= 0 ~pumpRunning~0) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 14:33:55,195 INFO L448 ceAbstractionStarter]: For program point L631-1(line 631) no Hoare annotation was computed. [2018-11-23 14:33:55,195 INFO L448 ceAbstractionStarter]: For program point L629(lines 629 646) no Hoare annotation was computed. [2018-11-23 14:33:55,195 INFO L444 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-23 14:33:55,195 INFO L448 ceAbstractionStarter]: For program point L644-1(lines 625 649) no Hoare annotation was computed. [2018-11-23 14:33:55,195 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 868 879) no Hoare annotation was computed. [2018-11-23 14:33:55,195 INFO L448 ceAbstractionStarter]: For program point L872-1(lines 868 879) no Hoare annotation was computed. [2018-11-23 14:33:55,195 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 868 879) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= ~waterLevel~0 2)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse3 .cse4 .cse2) (or .cse0 .cse5 .cse1 .cse6) (or .cse5 (or .cse1 (not (= ~systemActive~0 1)) .cse4) .cse6))) [2018-11-23 14:33:55,195 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-23 14:33:55,196 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-23 14:33:55,196 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-23 14:33:55,196 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-23 14:33:55,196 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 110) no Hoare annotation was computed. [2018-11-23 14:33:55,196 INFO L448 ceAbstractionStarter]: For program point L97-1(lines 89 113) no Hoare annotation was computed. [2018-11-23 14:33:55,196 INFO L451 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: true [2018-11-23 14:33:55,196 INFO L448 ceAbstractionStarter]: For program point L95-1(line 95) no Hoare annotation was computed. [2018-11-23 14:33:55,196 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 89 113) the Hoare annotation is: true [2018-11-23 14:33:55,196 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 89 113) no Hoare annotation was computed. [2018-11-23 14:33:55,196 INFO L444 ceAbstractionStarter]: At program point L103(line 103) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse1 .cse0))) [2018-11-23 14:33:55,196 INFO L448 ceAbstractionStarter]: For program point L101(lines 101 107) no Hoare annotation was computed. [2018-11-23 14:33:55,196 INFO L444 ceAbstractionStarter]: At program point L99(line 99) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2018-11-23 14:33:55,196 INFO L448 ceAbstractionStarter]: For program point L99-1(line 99) no Hoare annotation was computed. [2018-11-23 14:33:55,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:33:55 BoogieIcfgContainer [2018-11-23 14:33:55,206 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 14:33:55,206 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:33:55,207 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:33:55,207 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:33:55,207 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:33:40" (3/4) ... [2018-11-23 14:33:55,210 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 14:33:55,214 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 14:33:55,214 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 14:33:55,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 14:33:55,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 14:33:55,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 14:33:55,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 14:33:55,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 14:33:55,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 14:33:55,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 14:33:55,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 14:33:55,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 14:33:55,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 14:33:55,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 14:33:55,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 14:33:55,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 14:33:55,215 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-23 14:33:55,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 14:33:55,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 14:33:55,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 14:33:55,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 14:33:55,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 14:33:55,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 14:33:55,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 14:33:55,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 14:33:55,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 14:33:55,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 14:33:55,216 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 14:33:55,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 14:33:55,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 14:33:55,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 14:33:55,217 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-23 14:33:55,223 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-11-23 14:33:55,224 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 14:33:55,224 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 14:33:55,225 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 14:33:55,225 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 14:33:55,225 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 14:33:55,226 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 14:33:55,249 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) [2018-11-23 14:33:55,250 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 14:33:55,283 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e8443fd8-5326-4366-9c11-8f11f283df18/bin-2019/utaipan/witness.graphml [2018-11-23 14:33:55,283 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:33:55,284 INFO L168 Benchmark]: Toolchain (without parser) took 15545.18 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 687.3 MB). Free memory was 955.5 MB in the beginning and 1.4 GB in the end (delta: -407.7 MB). Peak memory consumption was 279.7 MB. Max. memory is 11.5 GB. [2018-11-23 14:33:55,284 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:33:55,284 INFO L168 Benchmark]: CACSL2BoogieTranslator took 396.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -168.4 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. [2018-11-23 14:33:55,285 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.78 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. [2018-11-23 14:33:55,285 INFO L168 Benchmark]: Boogie Preprocessor took 29.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 14:33:55,285 INFO L168 Benchmark]: RCFGBuilder took 507.67 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: 54.9 MB). Peak memory consumption was 54.9 MB. Max. memory is 11.5 GB. [2018-11-23 14:33:55,285 INFO L168 Benchmark]: TraceAbstraction took 14505.59 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 552.1 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -296.9 MB). Peak memory consumption was 808.4 MB. Max. memory is 11.5 GB. [2018-11-23 14:33:55,285 INFO L168 Benchmark]: Witness Printer took 76.66 ms. Allocated memory is still 1.7 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 71.2 kB). Peak memory consumption was 71.2 kB. Max. memory is 11.5 GB. [2018-11-23 14:33:55,287 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 396.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 955.5 MB in the beginning and 1.1 GB in the end (delta: -168.4 MB). Peak memory consumption was 32.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.78 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 29.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 507.67 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: 54.9 MB). Peak memory consumption was 54.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14505.59 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 552.1 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -296.9 MB). Peak memory consumption was 808.4 MB. Max. memory is 11.5 GB. * Witness Printer took 76.66 ms. Allocated memory is still 1.7 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 71.2 kB). Peak memory consumption was 71.2 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 483]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 173 locations, 1 error locations. SAFE Result, 14.4s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 5.7s AutomataDifference, 0.0s DeadEndRemovalTime, 3.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2421 SDtfs, 1548 SDslu, 7580 SDs, 0 SdLazy, 2431 SolverSat, 241 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 562 GetRequests, 468 SyntacticMatches, 6 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 203 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2301occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.3s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9968484186335097 AbsIntWeakeningRatio, 1.02803738317757 AbsIntAvgWeakeningVarsNumRemoved, 82.65420560747664 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 186 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 73 LocationsWithAnnotation, 4150 PreInvPairs, 4447 NumberOfFragments, 2144 HoareAnnotationTreeSize, 4150 FomulaSimplifications, 6687 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 73 FomulaSimplificationsInter, 24022 FormulaSimplificationTreeSizeReductionInter, 3.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1039 NumberOfCodeBlocks, 1039 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1205 ConstructedInterpolants, 0 QuantifiedInterpolants, 219358 SizeOfPredicates, 3 NumberOfNonLiveVariables, 933 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 12 InterpolantComputations, 9 PerfectInterpolantSequences, 165/171 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...