./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product58_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_4e119af4-85d5-49f8-a327-3b584211fdf4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_4e119af4-85d5-49f8-a327-3b584211fdf4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_4e119af4-85d5-49f8-a327-3b584211fdf4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_4e119af4-85d5-49f8-a327-3b584211fdf4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product58_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_4e119af4-85d5-49f8-a327-3b584211fdf4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_4e119af4-85d5-49f8-a327-3b584211fdf4/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 f0abcca86e101e0402ce9c7a98a1409292a39ee1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 19:43:15,128 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:43:15,129 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:43:15,135 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:43:15,135 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:43:15,135 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:43:15,136 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:43:15,137 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:43:15,137 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:43:15,138 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:43:15,138 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:43:15,138 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:43:15,139 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:43:15,139 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:43:15,140 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:43:15,140 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:43:15,141 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:43:15,141 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:43:15,142 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:43:15,143 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:43:15,143 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:43:15,144 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:43:15,145 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:43:15,145 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:43:15,145 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:43:15,146 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:43:15,146 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:43:15,147 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:43:15,147 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:43:15,148 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:43:15,148 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:43:15,148 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:43:15,148 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:43:15,148 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:43:15,149 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:43:15,149 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:43:15,149 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_4e119af4-85d5-49f8-a327-3b584211fdf4/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 19:43:15,156 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:43:15,156 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:43:15,157 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:43:15,157 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:43:15,157 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:43:15,157 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:43:15,157 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:43:15,157 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:43:15,157 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:43:15,157 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:43:15,157 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:43:15,157 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:43:15,158 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:43:15,158 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:43:15,158 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:43:15,158 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:43:15,158 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:43:15,158 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:43:15,158 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:43:15,158 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:43:15,158 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:43:15,159 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:43:15,159 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:43:15,159 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:43:15,159 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:43:15,159 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:43:15,159 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:43:15,159 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:43:15,159 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:43:15,159 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:43:15,159 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:43:15,159 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:43:15,160 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:43:15,160 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:43:15,160 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:43:15,160 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 19:43:15,160 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_4e119af4-85d5-49f8-a327-3b584211fdf4/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 -> f0abcca86e101e0402ce9c7a98a1409292a39ee1 [2018-12-09 19:43:15,176 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:43:15,183 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:43:15,185 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:43:15,186 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:43:15,186 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:43:15,186 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_4e119af4-85d5-49f8-a327-3b584211fdf4/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product58_true-unreach-call_false-termination.cil.c [2018-12-09 19:43:15,220 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4e119af4-85d5-49f8-a327-3b584211fdf4/bin-2019/utaipan/data/140e15b28/beb6d51ee4994118a90f899bc107d508/FLAG5756f8266 [2018-12-09 19:43:15,597 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:43:15,598 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_4e119af4-85d5-49f8-a327-3b584211fdf4/sv-benchmarks/c/product-lines/minepump_spec3_product58_true-unreach-call_false-termination.cil.c [2018-12-09 19:43:15,604 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_4e119af4-85d5-49f8-a327-3b584211fdf4/bin-2019/utaipan/data/140e15b28/beb6d51ee4994118a90f899bc107d508/FLAG5756f8266 [2018-12-09 19:43:15,613 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_4e119af4-85d5-49f8-a327-3b584211fdf4/bin-2019/utaipan/data/140e15b28/beb6d51ee4994118a90f899bc107d508 [2018-12-09 19:43:15,614 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:43:15,615 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:43:15,616 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:43:15,616 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:43:15,618 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:43:15,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:43:15" (1/1) ... [2018-12-09 19:43:15,620 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:43:15, skipping insertion in model container [2018-12-09 19:43:15,620 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:43:15" (1/1) ... [2018-12-09 19:43:15,625 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:43:15,652 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:43:15,852 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:43:15,861 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:43:15,903 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:43:15,918 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:43:15,918 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:43:15 WrapperNode [2018-12-09 19:43:15,918 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:43:15,919 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:43:15,919 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:43:15,919 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:43:15,924 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:43:15" (1/1) ... [2018-12-09 19:43:15,935 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:43:15" (1/1) ... [2018-12-09 19:43:15,940 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:43:15,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:43:15,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:43:15,941 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:43:15,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:43:15" (1/1) ... [2018-12-09 19:43:15,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:43:15" (1/1) ... [2018-12-09 19:43:15,950 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:43:15" (1/1) ... [2018-12-09 19:43:15,950 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:43:15" (1/1) ... [2018-12-09 19:43:15,956 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:43:15" (1/1) ... [2018-12-09 19:43:15,961 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:43:15" (1/1) ... [2018-12-09 19:43:15,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:43:15" (1/1) ... [2018-12-09 19:43:15,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:43:15,965 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:43:15,965 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:43:15,966 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:43:15,966 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:43:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e119af4-85d5-49f8-a327-3b584211fdf4/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:43:16,011 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 19:43:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 19:43:16,011 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:43:16,011 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:43:16,011 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 19:43:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 19:43:16,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 19:43:16,012 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 19:43:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 19:43:16,012 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 19:43:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 19:43:16,012 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 19:43:16,012 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 19:43:16,013 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 19:43:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 19:43:16,013 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 19:43:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 19:43:16,013 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 19:43:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 19:43:16,013 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 19:43:16,013 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 19:43:16,014 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 19:43:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 19:43:16,014 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 19:43:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 19:43:16,014 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 19:43:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 19:43:16,014 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 19:43:16,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 19:43:16,015 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 19:43:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 19:43:16,015 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 19:43:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 19:43:16,015 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 19:43:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 19:43:16,015 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 19:43:16,015 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 19:43:16,016 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 19:43:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 19:43:16,016 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 19:43:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 19:43:16,016 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 19:43:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 19:43:16,016 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 19:43:16,016 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 19:43:16,016 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 19:43:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 19:43:16,017 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 19:43:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 19:43:16,017 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 19:43:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 19:43:16,017 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 19:43:16,017 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 19:43:16,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 19:43:16,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:43:16,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:43:16,018 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 19:43:16,018 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 19:43:16,018 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-09 19:43:16,018 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-09 19:43:16,018 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 19:43:16,018 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 19:43:16,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:43:16,019 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:43:16,304 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:43:16,305 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 19:43:16,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:43:16 BoogieIcfgContainer [2018-12-09 19:43:16,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:43:16,305 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:43:16,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:43:16,308 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:43:16,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:43:15" (1/3) ... [2018-12-09 19:43:16,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4168bceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:43:16, skipping insertion in model container [2018-12-09 19:43:16,308 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:43:15" (2/3) ... [2018-12-09 19:43:16,308 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4168bceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:43:16, skipping insertion in model container [2018-12-09 19:43:16,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:43:16" (3/3) ... [2018-12-09 19:43:16,310 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product58_true-unreach-call_false-termination.cil.c [2018-12-09 19:43:16,316 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:43:16,321 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:43:16,330 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:43:16,348 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:43:16,348 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:43:16,348 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:43:16,348 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:43:16,348 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:43:16,348 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:43:16,348 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:43:16,348 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:43:16,359 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2018-12-09 19:43:16,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 19:43:16,364 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:43:16,365 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:43:16,366 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:43:16,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:43:16,370 INFO L82 PathProgramCache]: Analyzing trace with hash 1271875382, now seen corresponding path program 1 times [2018-12-09 19:43:16,371 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:43:16,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:43:16,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:43:16,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:43:16,399 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:43:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:43:16,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:43:16,504 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:43:16,505 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 19:43:16,505 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:43:16,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 19:43:16,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 19:43:16,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:43:16,517 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 2 states. [2018-12-09 19:43:16,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:43:16,541 INFO L93 Difference]: Finished difference Result 300 states and 367 transitions. [2018-12-09 19:43:16,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 19:43:16,542 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-09 19:43:16,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:43:16,549 INFO L225 Difference]: With dead ends: 300 [2018-12-09 19:43:16,550 INFO L226 Difference]: Without dead ends: 150 [2018-12-09 19:43:16,552 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:43:16,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-12-09 19:43:16,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-12-09 19:43:16,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-12-09 19:43:16,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 175 transitions. [2018-12-09 19:43:16,585 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 175 transitions. Word has length 52 [2018-12-09 19:43:16,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:43:16,586 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 175 transitions. [2018-12-09 19:43:16,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 19:43:16,586 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 175 transitions. [2018-12-09 19:43:16,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 19:43:16,588 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:43:16,588 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:43:16,588 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:43:16,588 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:43:16,588 INFO L82 PathProgramCache]: Analyzing trace with hash -34531406, now seen corresponding path program 1 times [2018-12-09 19:43:16,588 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:43:16,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:43:16,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:43:16,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:43:16,589 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:43:16,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:43:16,639 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:43:16,639 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:43:16,640 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:43:16,640 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:43:16,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:43:16,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:43:16,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:43:16,641 INFO L87 Difference]: Start difference. First operand 150 states and 175 transitions. Second operand 3 states. [2018-12-09 19:43:16,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:43:16,655 INFO L93 Difference]: Finished difference Result 245 states and 285 transitions. [2018-12-09 19:43:16,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:43:16,656 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-09 19:43:16,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:43:16,657 INFO L225 Difference]: With dead ends: 245 [2018-12-09 19:43:16,657 INFO L226 Difference]: Without dead ends: 141 [2018-12-09 19:43:16,658 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:43:16,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-12-09 19:43:16,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-12-09 19:43:16,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-12-09 19:43:16,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 163 transitions. [2018-12-09 19:43:16,666 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 163 transitions. Word has length 53 [2018-12-09 19:43:16,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:43:16,666 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 163 transitions. [2018-12-09 19:43:16,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:43:16,666 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 163 transitions. [2018-12-09 19:43:16,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 19:43:16,667 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:43:16,667 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] [2018-12-09 19:43:16,667 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:43:16,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:43:16,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1148135132, now seen corresponding path program 1 times [2018-12-09 19:43:16,667 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:43:16,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:43:16,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:43:16,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:43:16,668 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:43:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:43:16,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:43:16,744 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:43:16,745 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 19:43:16,745 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:43:16,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 19:43:16,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 19:43:16,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:43:16,746 INFO L87 Difference]: Start difference. First operand 141 states and 163 transitions. Second operand 7 states. [2018-12-09 19:43:16,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:43:16,972 INFO L93 Difference]: Finished difference Result 258 states and 303 transitions. [2018-12-09 19:43:16,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 19:43:16,973 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-12-09 19:43:16,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:43:16,974 INFO L225 Difference]: With dead ends: 258 [2018-12-09 19:43:16,974 INFO L226 Difference]: Without dead ends: 141 [2018-12-09 19:43:16,975 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 [2018-12-09 19:43:16,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-12-09 19:43:16,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-12-09 19:43:16,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-12-09 19:43:16,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 162 transitions. [2018-12-09 19:43:16,986 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 162 transitions. Word has length 58 [2018-12-09 19:43:16,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:43:16,987 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 162 transitions. [2018-12-09 19:43:16,987 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 19:43:16,987 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 162 transitions. [2018-12-09 19:43:16,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 19:43:16,989 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:43:16,989 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:43:16,989 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:43:16,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:43:16,990 INFO L82 PathProgramCache]: Analyzing trace with hash -139469963, now seen corresponding path program 1 times [2018-12-09 19:43:16,990 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:43:16,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:43:16,991 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:43:16,991 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:43:16,991 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:43:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:43:17,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:43:17,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:43:17,071 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 19:43:17,071 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:43:17,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 19:43:17,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 19:43:17,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 19:43:17,073 INFO L87 Difference]: Start difference. First operand 141 states and 162 transitions. Second operand 5 states. [2018-12-09 19:43:17,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:43:17,372 INFO L93 Difference]: Finished difference Result 371 states and 443 transitions. [2018-12-09 19:43:17,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 19:43:17,373 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-12-09 19:43:17,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:43:17,374 INFO L225 Difference]: With dead ends: 371 [2018-12-09 19:43:17,374 INFO L226 Difference]: Without dead ends: 254 [2018-12-09 19:43:17,375 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 19:43:17,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-12-09 19:43:17,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 235. [2018-12-09 19:43:17,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-12-09 19:43:17,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 267 transitions. [2018-12-09 19:43:17,389 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 267 transitions. Word has length 71 [2018-12-09 19:43:17,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:43:17,389 INFO L480 AbstractCegarLoop]: Abstraction has 235 states and 267 transitions. [2018-12-09 19:43:17,389 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 19:43:17,389 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 267 transitions. [2018-12-09 19:43:17,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-09 19:43:17,390 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:43:17,390 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:43:17,390 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:43:17,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:43:17,391 INFO L82 PathProgramCache]: Analyzing trace with hash -2129755687, now seen corresponding path program 1 times [2018-12-09 19:43:17,391 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:43:17,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:43:17,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:43:17,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:43:17,391 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:43:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:43:17,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:43:17,441 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:43:17,441 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:43:17,441 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:43:17,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:43:17,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:43:17,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:43:17,442 INFO L87 Difference]: Start difference. First operand 235 states and 267 transitions. Second operand 6 states. [2018-12-09 19:43:17,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:43:17,558 INFO L93 Difference]: Finished difference Result 580 states and 691 transitions. [2018-12-09 19:43:17,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 19:43:17,558 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-12-09 19:43:17,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:43:17,561 INFO L225 Difference]: With dead ends: 580 [2018-12-09 19:43:17,561 INFO L226 Difference]: Without dead ends: 369 [2018-12-09 19:43:17,563 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 19:43:17,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2018-12-09 19:43:17,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 365. [2018-12-09 19:43:17,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2018-12-09 19:43:17,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 421 transitions. [2018-12-09 19:43:17,587 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 421 transitions. Word has length 85 [2018-12-09 19:43:17,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:43:17,588 INFO L480 AbstractCegarLoop]: Abstraction has 365 states and 421 transitions. [2018-12-09 19:43:17,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:43:17,588 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 421 transitions. [2018-12-09 19:43:17,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 19:43:17,589 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:43:17,589 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:43:17,590 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:43:17,590 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:43:17,590 INFO L82 PathProgramCache]: Analyzing trace with hash 1166702943, now seen corresponding path program 1 times [2018-12-09 19:43:17,590 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:43:17,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:43:17,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:43:17,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:43:17,591 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:43:17,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:43:17,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:43:17,661 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:43:17,661 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:43:17,662 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:43:17,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:43:17,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:43:17,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:43:17,662 INFO L87 Difference]: Start difference. First operand 365 states and 421 transitions. Second operand 6 states. [2018-12-09 19:43:17,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:43:17,803 INFO L93 Difference]: Finished difference Result 782 states and 936 transitions. [2018-12-09 19:43:17,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:43:17,804 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-12-09 19:43:17,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:43:17,806 INFO L225 Difference]: With dead ends: 782 [2018-12-09 19:43:17,806 INFO L226 Difference]: Without dead ends: 571 [2018-12-09 19:43:17,807 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 19:43:17,808 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2018-12-09 19:43:17,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 553. [2018-12-09 19:43:17,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2018-12-09 19:43:17,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 651 transitions. [2018-12-09 19:43:17,829 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 651 transitions. Word has length 89 [2018-12-09 19:43:17,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:43:17,829 INFO L480 AbstractCegarLoop]: Abstraction has 553 states and 651 transitions. [2018-12-09 19:43:17,829 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:43:17,829 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 651 transitions. [2018-12-09 19:43:17,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 19:43:17,830 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:43:17,831 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:43:17,831 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:43:17,831 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:43:17,831 INFO L82 PathProgramCache]: Analyzing trace with hash 244019360, now seen corresponding path program 1 times [2018-12-09 19:43:17,831 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:43:17,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:43:17,832 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:43:17,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:43:17,832 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:43:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:43:17,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:43:17,861 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:43:17,861 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 19:43:17,861 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:43:17,861 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 19:43:17,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 19:43:17,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 19:43:17,861 INFO L87 Difference]: Start difference. First operand 553 states and 651 transitions. Second operand 5 states. [2018-12-09 19:43:17,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:43:17,883 INFO L93 Difference]: Finished difference Result 962 states and 1154 transitions. [2018-12-09 19:43:17,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 19:43:17,883 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2018-12-09 19:43:17,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:43:17,885 INFO L225 Difference]: With dead ends: 962 [2018-12-09 19:43:17,886 INFO L226 Difference]: Without dead ends: 563 [2018-12-09 19:43:17,886 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 19:43:17,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2018-12-09 19:43:17,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 557. [2018-12-09 19:43:17,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2018-12-09 19:43:17,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 654 transitions. [2018-12-09 19:43:17,907 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 654 transitions. Word has length 89 [2018-12-09 19:43:17,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:43:17,908 INFO L480 AbstractCegarLoop]: Abstraction has 557 states and 654 transitions. [2018-12-09 19:43:17,908 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 19:43:17,908 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 654 transitions. [2018-12-09 19:43:17,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 19:43:17,909 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:43:17,909 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:43:17,910 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:43:17,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:43:17,910 INFO L82 PathProgramCache]: Analyzing trace with hash -599986142, now seen corresponding path program 1 times [2018-12-09 19:43:17,910 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:43:17,910 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:43:17,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:43:17,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:43:17,911 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:43:17,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:43:17,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:43:17,980 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:43:17,980 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 19:43:17,980 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:43:17,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 19:43:17,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 19:43:17,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 19:43:17,981 INFO L87 Difference]: Start difference. First operand 557 states and 654 transitions. Second operand 9 states. [2018-12-09 19:43:18,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:43:18,029 INFO L93 Difference]: Finished difference Result 1107 states and 1326 transitions. [2018-12-09 19:43:18,029 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 19:43:18,029 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2018-12-09 19:43:18,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:43:18,032 INFO L225 Difference]: With dead ends: 1107 [2018-12-09 19:43:18,032 INFO L226 Difference]: Without dead ends: 574 [2018-12-09 19:43:18,033 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:43:18,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2018-12-09 19:43:18,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 564. [2018-12-09 19:43:18,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2018-12-09 19:43:18,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 661 transitions. [2018-12-09 19:43:18,058 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 661 transitions. Word has length 89 [2018-12-09 19:43:18,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:43:18,058 INFO L480 AbstractCegarLoop]: Abstraction has 564 states and 661 transitions. [2018-12-09 19:43:18,058 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 19:43:18,058 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 661 transitions. [2018-12-09 19:43:18,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-09 19:43:18,059 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:43:18,059 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] [2018-12-09 19:43:18,059 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:43:18,059 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:43:18,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1008052965, now seen corresponding path program 1 times [2018-12-09 19:43:18,060 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:43:18,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:43:18,060 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:43:18,060 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:43:18,060 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:43:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:43:18,134 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 19:43:18,135 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:43:18,135 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:43:18,135 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 102 with the following transitions: [2018-12-09 19:43:18,137 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [40], [55], [58], [59], [63], [64], [66], [75], [79], [83], [86], [91], [97], [99], [105], [108], [122], [123], [124], [126], [129], [134], [135], [137], [142], [144], [145], [146], [147], [155], [156], [162], [166], [199], [201], [206], [208], [211], [213], [218], [232], [236], [239], [241], [244], [254], [259], [263], [264], [267], [268], [269], [270], [271], [272], [273], [274], [275], [279], [281], [282], [289], [290], [291], [292], [297], [301], [302], [305], [306], [309], [310], [311], [317], [318], [319], [320], [321], [322], [323], [325], [326], [327], [329], [330], [331], [332] [2018-12-09 19:43:18,167 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:43:18,168 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:43:18,480 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:43:18,481 INFO L272 AbstractInterpreter]: Visited 73 different actions 73 times. Never merged. Never widened. Performed 2473 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2473 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-09 19:43:18,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:43:18,486 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:43:18,680 INFO L227 lantSequenceWeakener]: Weakened 71 states. On average, predicates are now at 96.62% of their original sizes. [2018-12-09 19:43:18,681 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:43:18,815 INFO L418 sIntCurrentIteration]: We unified 100 AI predicates to 100 [2018-12-09 19:43:18,816 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:43:18,816 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:43:18,816 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [9] total 28 [2018-12-09 19:43:18,816 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:43:18,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-12-09 19:43:18,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-12-09 19:43:18,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=364, Unknown=0, NotChecked=0, Total=420 [2018-12-09 19:43:18,817 INFO L87 Difference]: Start difference. First operand 564 states and 661 transitions. Second operand 21 states. [2018-12-09 19:43:20,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:43:20,603 INFO L93 Difference]: Finished difference Result 1239 states and 1476 transitions. [2018-12-09 19:43:20,603 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-09 19:43:20,603 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 101 [2018-12-09 19:43:20,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:43:20,606 INFO L225 Difference]: With dead ends: 1239 [2018-12-09 19:43:20,606 INFO L226 Difference]: Without dead ends: 699 [2018-12-09 19:43:20,608 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 112 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=122, Invalid=934, Unknown=0, NotChecked=0, Total=1056 [2018-12-09 19:43:20,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2018-12-09 19:43:20,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 695. [2018-12-09 19:43:20,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2018-12-09 19:43:20,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 814 transitions. [2018-12-09 19:43:20,637 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 814 transitions. Word has length 101 [2018-12-09 19:43:20,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:43:20,637 INFO L480 AbstractCegarLoop]: Abstraction has 695 states and 814 transitions. [2018-12-09 19:43:20,637 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-12-09 19:43:20,637 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 814 transitions. [2018-12-09 19:43:20,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-09 19:43:20,639 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:43:20,639 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] [2018-12-09 19:43:20,639 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:43:20,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:43:20,640 INFO L82 PathProgramCache]: Analyzing trace with hash 968557213, now seen corresponding path program 1 times [2018-12-09 19:43:20,640 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:43:20,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:43:20,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:43:20,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:43:20,641 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:43:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:43:20,713 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:43:20,713 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:43:20,713 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 19:43:20,713 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:43:20,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 19:43:20,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 19:43:20,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:43:20,714 INFO L87 Difference]: Start difference. First operand 695 states and 814 transitions. Second operand 10 states. [2018-12-09 19:43:20,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:43:20,847 INFO L93 Difference]: Finished difference Result 1241 states and 1458 transitions. [2018-12-09 19:43:20,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 19:43:20,847 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2018-12-09 19:43:20,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:43:20,849 INFO L225 Difference]: With dead ends: 1241 [2018-12-09 19:43:20,849 INFO L226 Difference]: Without dead ends: 701 [2018-12-09 19:43:20,850 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-09 19:43:20,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 701 states. [2018-12-09 19:43:20,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 701 to 680. [2018-12-09 19:43:20,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 680 states. [2018-12-09 19:43:20,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 680 states and 778 transitions. [2018-12-09 19:43:20,868 INFO L78 Accepts]: Start accepts. Automaton has 680 states and 778 transitions. Word has length 105 [2018-12-09 19:43:20,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:43:20,868 INFO L480 AbstractCegarLoop]: Abstraction has 680 states and 778 transitions. [2018-12-09 19:43:20,868 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 19:43:20,868 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 778 transitions. [2018-12-09 19:43:20,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-09 19:43:20,869 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:43:20,870 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] [2018-12-09 19:43:20,870 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:43:20,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:43:20,870 INFO L82 PathProgramCache]: Analyzing trace with hash 1820463103, now seen corresponding path program 1 times [2018-12-09 19:43:20,870 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:43:20,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:43:20,870 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:43:20,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:43:20,870 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:43:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:43:20,928 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 19:43:20,928 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:43:20,928 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 19:43:20,928 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:43:20,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 19:43:20,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 19:43:20,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:43:20,929 INFO L87 Difference]: Start difference. First operand 680 states and 778 transitions. Second operand 10 states. [2018-12-09 19:43:21,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:43:21,064 INFO L93 Difference]: Finished difference Result 1679 states and 1962 transitions. [2018-12-09 19:43:21,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 19:43:21,065 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2018-12-09 19:43:21,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:43:21,068 INFO L225 Difference]: With dead ends: 1679 [2018-12-09 19:43:21,068 INFO L226 Difference]: Without dead ends: 1154 [2018-12-09 19:43:21,069 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-09 19:43:21,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1154 states. [2018-12-09 19:43:21,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1154 to 1136. [2018-12-09 19:43:21,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1136 states. [2018-12-09 19:43:21,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1136 states to 1136 states and 1299 transitions. [2018-12-09 19:43:21,105 INFO L78 Accepts]: Start accepts. Automaton has 1136 states and 1299 transitions. Word has length 105 [2018-12-09 19:43:21,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:43:21,105 INFO L480 AbstractCegarLoop]: Abstraction has 1136 states and 1299 transitions. [2018-12-09 19:43:21,105 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 19:43:21,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1136 states and 1299 transitions. [2018-12-09 19:43:21,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-09 19:43:21,107 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:43:21,108 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:43:21,108 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:43:21,108 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:43:21,108 INFO L82 PathProgramCache]: Analyzing trace with hash 1019303520, now seen corresponding path program 1 times [2018-12-09 19:43:21,108 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:43:21,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:43:21,109 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:43:21,109 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:43:21,109 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:43:21,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:43:21,185 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 19:43:21,185 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:43:21,185 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:43:21,186 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 152 with the following transitions: [2018-12-09 19:43:21,186 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [36], [37], [38], [39], [40], [43], [45], [48], [55], [58], [59], [62], [64], [66], [75], [79], [83], [89], [91], [97], [99], [105], [108], [118], [119], [120], [121], [122], [123], [124], [126], [131], [134], [135], [137], [140], [144], [145], [146], [147], [155], [156], [159], [162], [166], [172], [199], [201], [204], [206], [208], [211], [213], [218], [224], [227], [231], [232], [236], [239], [241], [244], [254], [264], [267], [268], [269], [270], [271], [272], [273], [274], [275], [277], [278], [279], [281], [282], [283], [284], [285], [286], [289], [290], [297], [298], [301], [302], [303], [304], [305], [306], [307], [308], [309], [310], [311], [312], [317], [318], [319], [320], [321], [322], [323], [325], [326], [327], [329], [330], [331], [332] [2018-12-09 19:43:21,189 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:43:21,189 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:43:21,273 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:43:21,273 INFO L272 AbstractInterpreter]: Visited 58 different actions 58 times. Never merged. Never widened. Performed 1955 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1955 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-09 19:43:21,274 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:43:21,274 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:43:21,367 INFO L227 lantSequenceWeakener]: Weakened 69 states. On average, predicates are now at 96.4% of their original sizes. [2018-12-09 19:43:21,368 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:43:21,446 INFO L418 sIntCurrentIteration]: We unified 150 AI predicates to 150 [2018-12-09 19:43:21,446 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:43:21,446 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:43:21,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [6] total 20 [2018-12-09 19:43:21,446 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:43:21,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-09 19:43:21,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-09 19:43:21,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2018-12-09 19:43:21,447 INFO L87 Difference]: Start difference. First operand 1136 states and 1299 transitions. Second operand 16 states. [2018-12-09 19:43:22,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:43:22,667 INFO L93 Difference]: Finished difference Result 2231 states and 2558 transitions. [2018-12-09 19:43:22,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-09 19:43:22,667 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 151 [2018-12-09 19:43:22,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:43:22,670 INFO L225 Difference]: With dead ends: 2231 [2018-12-09 19:43:22,670 INFO L226 Difference]: Without dead ends: 1119 [2018-12-09 19:43:22,672 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 157 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=408, Unknown=0, NotChecked=0, Total=506 [2018-12-09 19:43:22,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1119 states. [2018-12-09 19:43:22,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1119 to 1119. [2018-12-09 19:43:22,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1119 states. [2018-12-09 19:43:22,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 1119 states and 1274 transitions. [2018-12-09 19:43:22,700 INFO L78 Accepts]: Start accepts. Automaton has 1119 states and 1274 transitions. Word has length 151 [2018-12-09 19:43:22,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:43:22,701 INFO L480 AbstractCegarLoop]: Abstraction has 1119 states and 1274 transitions. [2018-12-09 19:43:22,701 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-09 19:43:22,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1274 transitions. [2018-12-09 19:43:22,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-09 19:43:22,703 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:43:22,703 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:43:22,703 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:43:22,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:43:22,703 INFO L82 PathProgramCache]: Analyzing trace with hash -506950039, now seen corresponding path program 1 times [2018-12-09 19:43:22,703 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:43:22,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:43:22,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:43:22,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:43:22,704 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:43:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:43:22,760 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:43:22,760 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:43:22,761 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:43:22,761 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-12-09 19:43:22,761 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [36], [37], [38], [39], [40], [43], [45], [48], [55], [58], [59], [63], [64], [66], [75], [79], [83], [86], [89], [91], [97], [99], [105], [108], [118], [119], [120], [121], [122], [123], [124], [126], [131], [134], [135], [137], [142], [144], [145], [146], [147], [155], [156], [159], [162], [166], [172], [199], [201], [204], [206], [208], [211], [213], [218], [224], [227], [231], [232], [236], [239], [241], [244], [254], [259], [263], [264], [267], [268], [269], [270], [271], [272], [273], [274], [275], [277], [278], [279], [281], [282], [283], [284], [285], [286], [289], [290], [291], [292], [297], [298], [301], [302], [303], [304], [305], [306], [307], [308], [309], [310], [311], [312], [317], [318], [319], [320], [321], [322], [323], [325], [326], [327], [329], [330], [331], [332] [2018-12-09 19:43:22,764 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:43:22,764 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:43:23,039 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:43:23,039 INFO L272 AbstractInterpreter]: Visited 107 different actions 130 times. Merged at 6 different actions 6 times. Never widened. Performed 6581 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6581 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-09 19:43:23,045 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:43:23,046 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:43:23,046 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:43:23,046 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e119af4-85d5-49f8-a327-3b584211fdf4/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 19:43:23,053 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:43:23,053 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:43:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:43:23,144 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:43:23,255 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:43:23,256 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:43:23,496 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 19:43:23,516 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 19:43:23,516 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 11] total 20 [2018-12-09 19:43:23,516 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 19:43:23,516 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 19:43:23,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 19:43:23,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2018-12-09 19:43:23,517 INFO L87 Difference]: Start difference. First operand 1119 states and 1274 transitions. Second operand 15 states. [2018-12-09 19:43:25,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:43:25,296 INFO L93 Difference]: Finished difference Result 2668 states and 3455 transitions. [2018-12-09 19:43:25,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-12-09 19:43:25,297 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 155 [2018-12-09 19:43:25,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:43:25,301 INFO L225 Difference]: With dead ends: 2668 [2018-12-09 19:43:25,301 INFO L226 Difference]: Without dead ends: 1573 [2018-12-09 19:43:25,303 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 300 SyntacticMatches, 12 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 514 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=484, Invalid=1868, Unknown=0, NotChecked=0, Total=2352 [2018-12-09 19:43:25,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1573 states. [2018-12-09 19:43:25,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1573 to 1117. [2018-12-09 19:43:25,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1117 states. [2018-12-09 19:43:25,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 1117 states and 1238 transitions. [2018-12-09 19:43:25,346 INFO L78 Accepts]: Start accepts. Automaton has 1117 states and 1238 transitions. Word has length 155 [2018-12-09 19:43:25,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:43:25,347 INFO L480 AbstractCegarLoop]: Abstraction has 1117 states and 1238 transitions. [2018-12-09 19:43:25,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 19:43:25,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1117 states and 1238 transitions. [2018-12-09 19:43:25,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-09 19:43:25,349 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:43:25,349 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:43:25,349 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:43:25,349 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:43:25,349 INFO L82 PathProgramCache]: Analyzing trace with hash 427670277, now seen corresponding path program 1 times [2018-12-09 19:43:25,349 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:43:25,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:43:25,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:43:25,350 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:43:25,350 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:43:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:43:25,409 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 19:43:25,409 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:43:25,409 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:43:25,410 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-12-09 19:43:25,410 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [31], [34], [36], [37], [40], [55], [58], [59], [62], [63], [64], [65], [66], [75], [79], [83], [86], [89], [91], [94], [99], [105], [108], [122], [123], [124], [126], [129], [134], [135], [137], [140], [142], [144], [145], [146], [147], [150], [152], [154], [155], [156], [162], [166], [172], [199], [201], [204], [206], [208], [211], [213], [218], [224], [232], [236], [239], [241], [244], [247], [254], [259], [263], [264], [267], [268], [269], [270], [271], [272], [273], [274], [275], [279], [281], [282], [289], [290], [291], [292], [293], [294], [297], [298], [301], [302], [305], [306], [309], [310], [311], [312], [317], [318], [319], [320], [321], [322], [323], [325], [326], [327], [329], [330], [331], [332], [333], [334] [2018-12-09 19:43:25,412 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:43:25,412 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:43:26,254 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:43:26,254 INFO L272 AbstractInterpreter]: Visited 116 different actions 598 times. Merged at 34 different actions 135 times. Never widened. Performed 22223 root evaluator evaluations with a maximum evaluation depth of 3. Performed 22223 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 21 fixpoints after 8 different actions. Largest state had 133 variables. [2018-12-09 19:43:26,258 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:43:26,258 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:43:26,258 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:43:26,258 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_4e119af4-85d5-49f8-a327-3b584211fdf4/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 19:43:26,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:43:26,267 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:43:26,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:43:26,344 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:43:26,395 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:43:26,395 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:43:26,630 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 19:43:26,646 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 19:43:26,646 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2018-12-09 19:43:26,646 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:43:26,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 19:43:26,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 19:43:26,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-12-09 19:43:26,647 INFO L87 Difference]: Start difference. First operand 1117 states and 1238 transitions. Second operand 8 states. [2018-12-09 19:43:26,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:43:26,830 INFO L93 Difference]: Finished difference Result 2058 states and 2299 transitions. [2018-12-09 19:43:26,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:43:26,830 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 160 [2018-12-09 19:43:26,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:43:26,831 INFO L225 Difference]: With dead ends: 2058 [2018-12-09 19:43:26,831 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 19:43:26,833 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 328 GetRequests, 305 SyntacticMatches, 6 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-12-09 19:43:26,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 19:43:26,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 19:43:26,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 19:43:26,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 19:43:26,833 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 160 [2018-12-09 19:43:26,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:43:26,834 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 19:43:26,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 19:43:26,834 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 19:43:26,834 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:43:26,836 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 19:43:26,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:26,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:26,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:26,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:26,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:26,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:26,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:26,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:26,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:26,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:26,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:26,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:26,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:26,931 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:26,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:26,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:26,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:26,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:26,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:26,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:26,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:26,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:26,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:26,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:26,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:26,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:26,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:26,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:26,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:26,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:26,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:26,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:27,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:27,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:27,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:27,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:27,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:27,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:27,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:27,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:27,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:27,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:27,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:27,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:27,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:27,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:27,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:27,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:27,159 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:27,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:27,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:27,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:27,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:27,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:27,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:27,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:27,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:43:27,340 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 32 [2018-12-09 19:43:27,638 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 37 [2018-12-09 19:43:27,939 WARN L180 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 55 [2018-12-09 19:43:28,430 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 51 [2018-12-09 19:43:28,787 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 38 [2018-12-09 19:43:29,127 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 34 [2018-12-09 19:43:29,326 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 39 [2018-12-09 19:43:30,014 WARN L180 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2018-12-09 19:43:30,186 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2018-12-09 19:43:30,186 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2018-12-09 19:43:30,186 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2018-12-09 19:43:30,187 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2018-12-09 19:43:30,187 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 169 177) no Hoare annotation was computed. [2018-12-09 19:43:30,187 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-12-09 19:43:30,187 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-12-09 19:43:30,187 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:43:30,187 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:43:30,187 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:43:30,187 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:43:30,187 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-12-09 19:43:30,187 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-12-09 19:43:30,187 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= |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))) [2018-12-09 19:43:30,187 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (and (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= |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))) [2018-12-09 19:43:30,187 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-12-09 19:43:30,187 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 899 907) no Hoare annotation was computed. [2018-12-09 19:43:30,187 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 899 907) the Hoare annotation is: true [2018-12-09 19:43:30,187 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 899 907) no Hoare annotation was computed. [2018-12-09 19:43:30,187 INFO L448 ceAbstractionStarter]: For program point L972(lines 972 976) no Hoare annotation was computed. [2018-12-09 19:43:30,187 INFO L451 ceAbstractionStarter]: At program point L970(line 970) the Hoare annotation is: true [2018-12-09 19:43:30,188 INFO L448 ceAbstractionStarter]: For program point L972-2(lines 972 976) no Hoare annotation was computed. [2018-12-09 19:43:30,188 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 963 981) the Hoare annotation is: true [2018-12-09 19:43:30,188 INFO L448 ceAbstractionStarter]: For program point L970-1(line 970) no Hoare annotation was computed. [2018-12-09 19:43:30,188 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 963 981) no Hoare annotation was computed. [2018-12-09 19:43:30,188 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 963 981) no Hoare annotation was computed. [2018-12-09 19:43:30,188 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2018-12-09 19:43:30,188 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2018-12-09 19:43:30,188 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:43:30,188 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-12-09 19:43:30,188 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-12-09 19:43:30,188 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 888 898) the Hoare annotation is: true [2018-12-09 19:43:30,188 INFO L451 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: true [2018-12-09 19:43:30,188 INFO L448 ceAbstractionStarter]: For program point L893-1(line 893) no Hoare annotation was computed. [2018-12-09 19:43:30,188 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 888 898) no Hoare annotation was computed. [2018-12-09 19:43:30,188 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 888 898) no Hoare annotation was computed. [2018-12-09 19:43:30,188 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 880 887) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3 .cse1))) [2018-12-09 19:43:30,188 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 880 887) no Hoare annotation was computed. [2018-12-09 19:43:30,188 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 880 887) no Hoare annotation was computed. [2018-12-09 19:43:30,188 INFO L448 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2018-12-09 19:43:30,188 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 829 853) no Hoare annotation was computed. [2018-12-09 19:43:30,189 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 829 853) the Hoare annotation is: (let ((.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (< 1 ~waterLevel~0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse3 .cse4 (not (= ~waterLevel~0 2))) (or .cse6 .cse5 .cse1 (< 2 ~waterLevel~0) .cse3) (or .cse6 .cse0 .cse2 .cse3 .cse1) (or (or .cse0 .cse5 .cse3) .cse4 .cse1))) [2018-12-09 19:43:30,189 INFO L444 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse3 (not (= ~waterLevel~0 2))) (or .cse6 .cse4 .cse5 (< 2 ~waterLevel~0) .cse2) (or (or .cse0 .cse4 .cse2) .cse3 .cse5) (or .cse6 .cse0 .cse1 .cse2))) [2018-12-09 19:43:30,189 INFO L448 ceAbstractionStarter]: For program point L848-1(lines 829 853) no Hoare annotation was computed. [2018-12-09 19:43:30,189 INFO L444 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse5 .cse6 .cse3) (or .cse7 .cse0 .cse2 .cse3 .cse1))) [2018-12-09 19:43:30,189 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse5 .cse6 .cse3) (or .cse7 .cse0 .cse2 .cse3 .cse1))) [2018-12-09 19:43:30,189 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 845) no Hoare annotation was computed. [2018-12-09 19:43:30,189 INFO L444 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse5 .cse6 .cse3) (or .cse7 .cse0 .cse2 .cse3 .cse1))) [2018-12-09 19:43:30,189 INFO L448 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-12-09 19:43:30,189 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 639 652) no Hoare annotation was computed. [2018-12-09 19:43:30,189 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2018-12-09 19:43:30,189 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 639 652) the Hoare annotation is: true [2018-12-09 19:43:30,189 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 639 652) no Hoare annotation was computed. [2018-12-09 19:43:30,189 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 795 801) no Hoare annotation was computed. [2018-12-09 19:43:30,189 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 795 801) the Hoare annotation is: true [2018-12-09 19:43:30,189 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 699 764) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:43:30,190 INFO L444 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 1)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse6 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 (and .cse0 .cse1 .cse3 .cse4)) (and .cse5 .cse6 .cse0 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse6 .cse0 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 19:43:30,190 INFO L448 ceAbstractionStarter]: For program point L729(lines 729 735) no Hoare annotation was computed. [2018-12-09 19:43:30,190 INFO L448 ceAbstractionStarter]: For program point L729-1(lines 729 735) no Hoare annotation was computed. [2018-12-09 19:43:30,190 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 699 764) no Hoare annotation was computed. [2018-12-09 19:43:30,190 INFO L444 ceAbstractionStarter]: At program point L754(lines 709 756) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse6 (= ~pumpRunning~0 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 (<= ~waterLevel~0 1) .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse6 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 19:43:30,190 INFO L444 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse6 (= ~pumpRunning~0 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 (<= ~waterLevel~0 1) .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse6 .cse2 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 19:43:30,190 INFO L448 ceAbstractionStarter]: For program point L719(lines 719 725) no Hoare annotation was computed. [2018-12-09 19:43:30,190 INFO L448 ceAbstractionStarter]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2018-12-09 19:43:30,190 INFO L448 ceAbstractionStarter]: For program point L711(lines 711 715) no Hoare annotation was computed. [2018-12-09 19:43:30,190 INFO L444 ceAbstractionStarter]: At program point L757(lines 708 758) 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))) [2018-12-09 19:43:30,190 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 751) no Hoare annotation was computed. [2018-12-09 19:43:30,190 INFO L444 ceAbstractionStarter]: At program point L747-2(lines 739 752) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 (and .cse1 .cse2 .cse3 .cse4)) (and .cse0 .cse5 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse1 .cse6 .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 19:43:30,190 INFO L448 ceAbstractionStarter]: For program point L710(lines 709 756) no Hoare annotation was computed. [2018-12-09 19:43:30,190 INFO L444 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (= 0 ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 2)) (.cse2 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 (and .cse1 .cse2 .cse3 .cse4)) (and .cse0 .cse5 .cse1 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 .cse1 .cse6 .cse3 .cse4) (and .cse1 .cse2 .cse6 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 19:43:30,190 INFO L448 ceAbstractionStarter]: For program point L739(lines 739 752) no Hoare annotation was computed. [2018-12-09 19:43:30,190 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 699 764) no Hoare annotation was computed. [2018-12-09 19:43:30,190 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 854 861) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)))) (.cse2 (< 2 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2))) [2018-12-09 19:43:30,190 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 854 861) no Hoare annotation was computed. [2018-12-09 19:43:30,190 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 854 861) no Hoare annotation was computed. [2018-12-09 19:43:30,190 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 653 661) no Hoare annotation was computed. [2018-12-09 19:43:30,191 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 653 661) the Hoare annotation is: true [2018-12-09 19:43:30,191 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 653 661) no Hoare annotation was computed. [2018-12-09 19:43:30,191 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:43:30,191 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 19:43:30,191 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:43:30,191 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 863 879) no Hoare annotation was computed. [2018-12-09 19:43:30,191 INFO L444 ceAbstractionStarter]: At program point L874(line 874) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (and .cse3 (= ~methaneLevelCritical~0 activatePump_~tmp~8)) (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse3 .cse1 .cse2))) [2018-12-09 19:43:30,191 INFO L448 ceAbstractionStarter]: For program point L874-1(lines 863 879) no Hoare annotation was computed. [2018-12-09 19:43:30,191 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 863 879) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-12-09 19:43:30,191 INFO L448 ceAbstractionStarter]: For program point L870(lines 870 876) no Hoare annotation was computed. [2018-12-09 19:43:30,191 INFO L444 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-12-09 19:43:30,191 INFO L448 ceAbstractionStarter]: For program point L868-1(line 868) no Hoare annotation was computed. [2018-12-09 19:43:30,191 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 944 962) no Hoare annotation was computed. [2018-12-09 19:43:30,191 INFO L448 ceAbstractionStarter]: For program point L953(lines 953 957) no Hoare annotation was computed. [2018-12-09 19:43:30,191 INFO L451 ceAbstractionStarter]: At program point L951(line 951) the Hoare annotation is: true [2018-12-09 19:43:30,191 INFO L448 ceAbstractionStarter]: For program point L953-2(lines 953 957) no Hoare annotation was computed. [2018-12-09 19:43:30,191 INFO L448 ceAbstractionStarter]: For program point L951-1(line 951) no Hoare annotation was computed. [2018-12-09 19:43:30,191 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 944 962) the Hoare annotation is: true [2018-12-09 19:43:30,191 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 944 962) no Hoare annotation was computed. [2018-12-09 19:43:30,191 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 630 638) the Hoare annotation is: true [2018-12-09 19:43:30,191 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 630 638) no Hoare annotation was computed. [2018-12-09 19:43:30,191 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 630 638) no Hoare annotation was computed. [2018-12-09 19:43:30,192 INFO L448 ceAbstractionStarter]: For program point L590-1(lines 586 597) no Hoare annotation was computed. [2018-12-09 19:43:30,192 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 586 597) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse7 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse6 (or (not (= 1 ~pumpRunning~0)) .cse4)) (.cse3 (< 2 ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (or .cse6 .cse3) .cse7) (or (or .cse1 .cse3 .cse4) .cse5 .cse7) (or .cse2 (or .cse0 .cse6 .cse3))))) [2018-12-09 19:43:30,192 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 586 597) no Hoare annotation was computed. [2018-12-09 19:43:30,192 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 598 606) the Hoare annotation is: true [2018-12-09 19:43:30,192 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 598 606) no Hoare annotation was computed. [2018-12-09 19:43:30,192 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 598 606) no Hoare annotation was computed. [2018-12-09 19:43:30,192 INFO L444 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: (let ((.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse13 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse8 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse10 (and .cse13 (<= ~waterLevel~0 1) .cse2)) (.cse11 (or .cse9 .cse4)) (.cse3 (< 2 |old(~waterLevel~0)|)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse12 (< 1 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= 1 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 (and (<= ~waterLevel~0 2) .cse2) .cse3 .cse4) (or .cse1 .cse4 .cse5 .cse6 .cse7) (or .cse8 .cse9 .cse4 .cse6 .cse7) (or .cse0 .cse9 .cse4 .cse6 .cse8) (or .cse10 (or .cse0 .cse11 .cse3)) (or (or .cse12 .cse1 .cse4) .cse7 (and .cse13 .cse2)) (or .cse1 (and (= ~waterLevel~0 2) .cse2) .cse4 .cse7 (not (= |old(~waterLevel~0)| 2))) (or .cse10 (or .cse11 .cse3) .cse7) (or (or .cse0 .cse12 .cse1 .cse4) .cse13) (or .cse0 .cse5 .cse1 .cse4 .cse6)))) [2018-12-09 19:43:30,192 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 771 794) the Hoare annotation is: (let ((.cse10 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse8 (and .cse12 .cse2)) (.cse9 (or .cse10 .cse4)) (.cse3 (< 2 |old(~waterLevel~0)|)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse11 (< 1 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= 1 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 (and (<= ~waterLevel~0 2) .cse2) .cse3 .cse4) (or .cse1 .cse4 .cse5 .cse6 .cse7) (or .cse8 (or .cse0 .cse9 .cse3)) (or .cse10 .cse4 .cse6 .cse7 .cse5) (or (or .cse11 .cse1 .cse4) .cse7 .cse8) (or .cse1 (and (= ~waterLevel~0 2) .cse2) .cse4 .cse7 (not (= |old(~waterLevel~0)| 2))) (or .cse8 (or .cse9 .cse3) .cse7) (or .cse0 .cse5 .cse10 .cse4 .cse6) (or (or .cse0 .cse11 .cse1 .cse4) .cse12) (or .cse0 .cse5 .cse1 .cse4 .cse6)))) [2018-12-09 19:43:30,192 INFO L444 ceAbstractionStarter]: At program point L782(lines 782 788) the Hoare annotation is: (let ((.cse12 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1))) (.cse16 (<= ~waterLevel~0 1)) (.cse15 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse11 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse13 (and .cse15 .cse10)) (.cse2 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= 1 ~waterLevel~0)) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse0 (and .cse15 (= 0 ~pumpRunning~0) .cse16)) (.cse1 (and .cse15 .cse16 .cse10)) (.cse3 (or .cse12 .cse7)) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse14 (and .cse15 (= ~pumpRunning~0 1))) (.cse9 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (or .cse2 .cse3 .cse4)) (or .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse6 .cse7 .cse10 .cse8 .cse9) (or .cse2 .cse11 .cse12 .cse7 .cse8) (or .cse11 .cse12 .cse7 .cse8 .cse9) (or .cse2 .cse6 .cse13 .cse14 .cse4 .cse7) (or .cse6 .cse14 .cse4 .cse7 .cse9 .cse13) (or .cse2 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse1 (or .cse3 .cse4) .cse9) (or .cse6 .cse14 .cse7 .cse9 (not (= |old(~waterLevel~0)| 2)))))) [2018-12-09 19:43:30,192 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 771 794) no Hoare annotation was computed. [2018-12-09 19:43:30,192 INFO L444 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: (let ((.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse9 (or .cse5 .cse3)) (.cse8 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 |old(~waterLevel~0)|)) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 .cse6 .cse7) (or .cse8 (or .cse9 .cse2) .cse7) (or (or .cse0 .cse9 .cse2) .cse8) (or .cse0 .cse4 .cse5 .cse3 .cse6) (or .cse1 .cse2 .cse3 .cse7)))) [2018-12-09 19:43:30,192 INFO L448 ceAbstractionStarter]: For program point L775(lines 774 793) no Hoare annotation was computed. [2018-12-09 19:43:30,192 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 771 794) no Hoare annotation was computed. [2018-12-09 19:43:30,192 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-09 19:43:30,193 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-09 19:43:30,193 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-09 19:43:30,193 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-09 19:43:30,193 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-09 19:43:30,193 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-09 19:43:30,193 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-09 19:43:30,193 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-09 19:43:30,193 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-09 19:43:30,193 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-09 19:43:30,193 INFO L448 ceAbstractionStarter]: For program point L673(lines 673 693) no Hoare annotation was computed. [2018-12-09 19:43:30,193 INFO L451 ceAbstractionStarter]: At program point L671(line 671) the Hoare annotation is: true [2018-12-09 19:43:30,193 INFO L448 ceAbstractionStarter]: For program point L671-1(line 671) no Hoare annotation was computed. [2018-12-09 19:43:30,193 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 664 696) no Hoare annotation was computed. [2018-12-09 19:43:30,193 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 664 696) the Hoare annotation is: true [2018-12-09 19:43:30,193 INFO L444 ceAbstractionStarter]: At program point L687(line 687) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5) (or (< 1 ~waterLevel~0) .cse1 .cse3 .cse5) (or .cse0 .cse2 .cse4 .cse3))) [2018-12-09 19:43:30,193 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 689) no Hoare annotation was computed. [2018-12-09 19:43:30,193 INFO L444 ceAbstractionStarter]: At program point L681(line 681) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (< 1 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= __utac_acc__Specification3_spec__1_~tmp~4 ~methaneLevelCritical~0) .cse2 .cse4 .cse3 .cse5) (or .cse6 .cse1 .cse3 .cse5) (or .cse6 .cse4 .cse3 .cse5) (or .cse0 .cse2 .cse4 .cse3))) [2018-12-09 19:43:30,193 INFO L448 ceAbstractionStarter]: For program point L681-1(line 681) no Hoare annotation was computed. [2018-12-09 19:43:30,193 INFO L448 ceAbstractionStarter]: For program point L679(lines 679 692) no Hoare annotation was computed. [2018-12-09 19:43:30,193 INFO L448 ceAbstractionStarter]: For program point L679-1(lines 664 696) no Hoare annotation was computed. [2018-12-09 19:43:30,193 INFO L444 ceAbstractionStarter]: At program point L677(line 677) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (= __utac_acc__Specification3_spec__1_~tmp~4 ~methaneLevelCritical~0)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse3 .cse6) (or (< 1 ~waterLevel~0) .cse1 .cse4 .cse3 .cse6) (or .cse0 .cse2 .cse5 .cse3))) [2018-12-09 19:43:30,194 INFO L448 ceAbstractionStarter]: For program point L677-1(line 677) no Hoare annotation was computed. [2018-12-09 19:43:30,194 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 562 573) the Hoare annotation is: (let ((.cse6 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= 1 ~waterLevel~0)) (.cse7 (not (= |old(~waterLevel~0)| 1))) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (or (= ~pumpRunning~0 0) .cse6)) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4) (or .cse5 .cse2 .cse6 .cse7 .cse8) (or .cse0 .cse5 .cse2 .cse6 .cse7) (or .cse4 (or .cse1 .cse2 .cse3) .cse8)))) [2018-12-09 19:43:30,194 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 562 573) no Hoare annotation was computed. [2018-12-09 19:43:30,194 INFO L448 ceAbstractionStarter]: For program point L566-1(lines 562 573) no Hoare annotation was computed. [2018-12-09 19:43:30,194 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-09 19:43:30,194 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-09 19:43:30,194 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:43:30,194 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)) [2018-12-09 19:43:30,194 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:43:30,194 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:43:30,194 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 803 827) the Hoare annotation is: (let ((.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (< 1 ~waterLevel~0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse3 .cse4 (not (= ~waterLevel~0 2))) (or .cse6 .cse5 .cse1 (< 2 ~waterLevel~0) .cse3) (or .cse6 .cse0 .cse2 .cse3 .cse1) (or (or .cse0 .cse5 .cse3) .cse4 .cse1))) [2018-12-09 19:43:30,194 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 803 827) no Hoare annotation was computed. [2018-12-09 19:43:30,194 INFO L444 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse5 .cse6 .cse3) (or .cse7 .cse0 .cse2 .cse3 .cse1))) [2018-12-09 19:43:30,194 INFO L448 ceAbstractionStarter]: For program point L822-1(lines 803 827) no Hoare annotation was computed. [2018-12-09 19:43:30,194 INFO L444 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse3 (< 2 ~waterLevel~0)) (.cse0 (and (<= ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse3 .cse4 .cse5 .cse0) (or .cse2 (= processEnvironment__wrappee__highWaterSensor_~tmp~6 0) .cse4 (not (= ~waterLevel~0 1)) .cse5) (or .cse6 .cse7 .cse4 .cse5) (or .cse1 .cse6 .cse7 .cse4))) [2018-12-09 19:43:30,194 INFO L444 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (and (= processEnvironment__wrappee__highWaterSensor_~tmp~6 1) .cse0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (and (or (and (<= ~waterLevel~0 1) .cse0) .cse1 .cse2 .cse3 (< 2 ~waterLevel~0) .cse4) (or .cse2 .cse3 .cse4 .cse5 (not (= ~waterLevel~0 2))) (or .cse2 .cse4 (not (= ~waterLevel~0 1)) .cse5) (or .cse6 .cse7 .cse4 .cse5) (or (or .cse6 .cse2 .cse4) .cse5 .cse0) (or .cse1 .cse6 .cse7 .cse4)))) [2018-12-09 19:43:30,194 INFO L448 ceAbstractionStarter]: For program point L811(lines 811 819) no Hoare annotation was computed. [2018-12-09 19:43:30,194 INFO L444 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse2 .cse3 (not (= ~waterLevel~0 2))) (or .cse6 .cse4 .cse5 (< 2 ~waterLevel~0) .cse2) (or (or .cse0 .cse4 .cse2) .cse3 .cse5) (or .cse6 .cse0 .cse1 .cse2))) [2018-12-09 19:43:30,195 INFO L448 ceAbstractionStarter]: For program point L809-1(line 809) no Hoare annotation was computed. [2018-12-09 19:43:30,195 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 824) no Hoare annotation was computed. [2018-12-09 19:43:30,195 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 982 989) no Hoare annotation was computed. [2018-12-09 19:43:30,195 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 982 989) the Hoare annotation is: (let ((.cse1 (not (= |old(~systemActive~0)| 1)))) (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse6 (or (not (= 1 ~pumpRunning~0)) .cse1)) (.cse5 (< 2 ~waterLevel~0)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (= ~systemActive~0 1)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (or (< 1 ~waterLevel~0) .cse0 .cse1) .cse2 .cse3) (or .cse4 .cse0 .cse3 .cse5 .cse1) (or .cse3 (or .cse6 .cse5) .cse2) (or .cse3 (or .cse4 .cse6 .cse5)) (or .cse0 .cse3 .cse1 .cse2 (not (= ~waterLevel~0 2)))))) [2018-12-09 19:43:30,195 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 982 989) no Hoare annotation was computed. [2018-12-09 19:43:30,195 INFO L448 ceAbstractionStarter]: For program point L578-1(lines 574 585) no Hoare annotation was computed. [2018-12-09 19:43:30,195 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 574 585) no Hoare annotation was computed. [2018-12-09 19:43:30,195 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 574 585) the Hoare annotation is: (let ((.cse7 (< 1 |old(~waterLevel~0)|)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (<= ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse3 (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1)) .cse4) (or (or .cse6 .cse7 .cse5 .cse3) .cse0) (or .cse6 .cse5 .cse8 .cse1 .cse3) (or (or .cse6 .cse7 .cse2 .cse3) .cse0) (or (or .cse7 .cse5 .cse3) .cse4 .cse0) (or .cse6 .cse1 .cse2 .cse3 .cse8))) [2018-12-09 19:43:30,195 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 545 552) no Hoare annotation was computed. [2018-12-09 19:43:30,195 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 549) no Hoare annotation was computed. [2018-12-09 19:43:30,195 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 545 552) the Hoare annotation is: true [2018-12-09 19:43:30,195 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 545 552) no Hoare annotation was computed. [2018-12-09 19:43:30,204 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:43:30 BoogieIcfgContainer [2018-12-09 19:43:30,204 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:43:30,205 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:43:30,205 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:43:30,205 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:43:30,205 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:43:16" (3/4) ... [2018-12-09 19:43:30,207 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:43:30,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 19:43:30,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 19:43:30,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 19:43:30,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 19:43:30,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 19:43:30,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 19:43:30,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 19:43:30,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 19:43:30,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 19:43:30,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 19:43:30,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 19:43:30,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 19:43:30,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 19:43:30,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-09 19:43:30,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 19:43:30,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 19:43:30,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 19:43:30,211 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 19:43:30,212 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 19:43:30,212 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 19:43:30,212 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 19:43:30,212 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 19:43:30,212 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 19:43:30,212 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-09 19:43:30,212 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 19:43:30,212 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 19:43:30,212 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 19:43:30,212 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 19:43:30,212 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 19:43:30,212 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 19:43:30,216 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-12-09 19:43:30,216 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 19:43:30,216 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-09 19:43:30,216 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 19:43:30,217 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 19:43:30,217 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 19:43:30,233 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || ((((waterLevel <= 2 && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 19:43:30,233 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 19:43:30,255 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_4e119af4-85d5-49f8-a327-3b584211fdf4/bin-2019/utaipan/witness.graphml [2018-12-09 19:43:30,255 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:43:30,256 INFO L168 Benchmark]: Toolchain (without parser) took 14641.16 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 634.4 MB). Free memory was 949.6 MB in the beginning and 1.4 GB in the end (delta: -491.7 MB). Peak memory consumption was 142.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:43:30,256 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:43:30,256 INFO L168 Benchmark]: CACSL2BoogieTranslator took 302.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -130.6 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-12-09 19:43:30,256 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:43:30,257 INFO L168 Benchmark]: Boogie Preprocessor took 24.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:43:30,257 INFO L168 Benchmark]: RCFGBuilder took 339.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2018-12-09 19:43:30,257 INFO L168 Benchmark]: TraceAbstraction took 13899.11 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 543.7 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -432.0 MB). Peak memory consumption was 670.3 MB. Max. memory is 11.5 GB. [2018-12-09 19:43:30,257 INFO L168 Benchmark]: Witness Printer took 50.86 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2018-12-09 19:43:30,258 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 302.65 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.7 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -130.6 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.63 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.66 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 339.57 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13899.11 ms. Allocated memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: 543.7 MB). Free memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: -432.0 MB). Peak memory consumption was 670.3 MB. Max. memory is 11.5 GB. * Witness Printer took 50.86 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 549]: 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: 709]: Loop Invariant Derived loop invariant: ((((((((((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(0 == \old(pumpRunning))) || ((((waterLevel <= 2 && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 163 locations, 1 error locations. SAFE Result, 13.8s OverallTime, 14 OverallIterations, 3 TraceHistogramMax, 6.2s AutomataDifference, 0.0s DeadEndRemovalTime, 3.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2726 SDtfs, 2487 SDslu, 10588 SDs, 0 SdLazy, 4538 SolverSat, 1317 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.1s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1058 GetRequests, 860 SyntacticMatches, 20 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 848 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1136occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.5s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.997510123655138 AbsIntWeakeningRatio, 1.008 AbsIntAvgWeakeningVarsNumRemoved, 62.976 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 556 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 3071 PreInvPairs, 3185 NumberOfFragments, 3374 HoareAnnotationTreeSize, 3071 FomulaSimplifications, 7574 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 67 FomulaSimplificationsInter, 18148 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1678 NumberOfCodeBlocks, 1678 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1975 ConstructedInterpolants, 0 QuantifiedInterpolants, 399452 SizeOfPredicates, 10 NumberOfNonLiveVariables, 1778 ConjunctsInSsa, 39 ConjunctsInUnsatCore, 18 InterpolantComputations, 11 PerfectInterpolantSequences, 273/295 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...