./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product42_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_e6ad1b1d-3c1b-4b12-8b4d-047b70e08e50/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e6ad1b1d-3c1b-4b12-8b4d-047b70e08e50/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e6ad1b1d-3c1b-4b12-8b4d-047b70e08e50/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e6ad1b1d-3c1b-4b12-8b4d-047b70e08e50/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product42_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e6ad1b1d-3c1b-4b12-8b4d-047b70e08e50/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e6ad1b1d-3c1b-4b12-8b4d-047b70e08e50/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 284d5750b565b650dea59fef4c61eb2e70211282 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 19:23:12,159 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:23:12,160 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:23:12,166 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:23:12,167 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:23:12,167 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:23:12,168 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:23:12,169 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:23:12,169 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:23:12,170 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:23:12,170 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:23:12,170 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:23:12,171 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:23:12,171 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:23:12,172 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:23:12,172 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:23:12,173 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:23:12,174 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:23:12,175 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:23:12,175 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:23:12,176 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:23:12,176 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:23:12,177 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:23:12,178 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:23:12,178 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:23:12,178 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:23:12,179 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:23:12,179 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:23:12,180 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:23:12,180 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:23:12,180 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:23:12,181 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:23:12,181 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:23:12,181 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:23:12,181 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:23:12,182 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:23:12,182 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e6ad1b1d-3c1b-4b12-8b4d-047b70e08e50/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 19:23:12,189 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:23:12,189 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:23:12,189 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:23:12,190 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:23:12,190 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:23:12,190 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:23:12,190 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:23:12,190 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:23:12,190 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:23:12,190 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:23:12,191 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:23:12,191 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:23:12,191 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:23:12,191 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:23:12,191 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:23:12,191 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:23:12,192 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:23:12,192 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:23:12,192 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:23:12,192 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:23:12,192 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:23:12,192 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:23:12,192 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:23:12,192 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:23:12,193 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:23:12,193 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:23:12,193 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:23:12,193 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:23:12,193 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:23:12,193 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:23:12,193 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:23:12,193 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:23:12,194 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:23:12,194 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:23:12,194 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:23:12,194 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 19:23:12,194 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_e6ad1b1d-3c1b-4b12-8b4d-047b70e08e50/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 -> 284d5750b565b650dea59fef4c61eb2e70211282 [2018-12-09 19:23:12,211 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:23:12,218 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:23:12,220 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:23:12,221 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:23:12,221 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:23:12,222 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e6ad1b1d-3c1b-4b12-8b4d-047b70e08e50/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product42_true-unreach-call_false-termination.cil.c [2018-12-09 19:23:12,261 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6ad1b1d-3c1b-4b12-8b4d-047b70e08e50/bin-2019/utaipan/data/f3cfb6a0d/770d3e1d838647bfb7ff13d8b1d6d033/FLAGda0beed24 [2018-12-09 19:23:12,686 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:23:12,686 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e6ad1b1d-3c1b-4b12-8b4d-047b70e08e50/sv-benchmarks/c/product-lines/minepump_spec3_product42_true-unreach-call_false-termination.cil.c [2018-12-09 19:23:12,692 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e6ad1b1d-3c1b-4b12-8b4d-047b70e08e50/bin-2019/utaipan/data/f3cfb6a0d/770d3e1d838647bfb7ff13d8b1d6d033/FLAGda0beed24 [2018-12-09 19:23:12,700 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e6ad1b1d-3c1b-4b12-8b4d-047b70e08e50/bin-2019/utaipan/data/f3cfb6a0d/770d3e1d838647bfb7ff13d8b1d6d033 [2018-12-09 19:23:12,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:23:12,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:23:12,703 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:23:12,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:23:12,706 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:23:12,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:23:12" (1/1) ... [2018-12-09 19:23:12,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cc82c98 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:23:12, skipping insertion in model container [2018-12-09 19:23:12,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:23:12" (1/1) ... [2018-12-09 19:23:12,714 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:23:12,738 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:23:12,898 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:23:12,944 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:23:12,999 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:23:13,020 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:23:13,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:23:13 WrapperNode [2018-12-09 19:23:13,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:23:13,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:23:13,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:23:13,021 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:23:13,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:23:13" (1/1) ... [2018-12-09 19:23:13,035 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:23:13" (1/1) ... [2018-12-09 19:23:13,040 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:23:13,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:23:13,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:23:13,041 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:23:13,047 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:23:13" (1/1) ... [2018-12-09 19:23:13,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:23:13" (1/1) ... [2018-12-09 19:23:13,049 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:23:13" (1/1) ... [2018-12-09 19:23:13,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:23:13" (1/1) ... [2018-12-09 19:23:13,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:23:13" (1/1) ... [2018-12-09 19:23:13,059 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:23:13" (1/1) ... [2018-12-09 19:23:13,060 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:23:13" (1/1) ... [2018-12-09 19:23:13,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:23:13,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:23:13,062 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:23:13,062 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:23:13,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:23:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6ad1b1d-3c1b-4b12-8b4d-047b70e08e50/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 19:23:13,094 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 19:23:13,094 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 19:23:13,094 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:23:13,094 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:23:13,094 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 19:23:13,094 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 19:23:13,095 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 19:23:13,095 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 19:23:13,095 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 19:23:13,095 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 19:23:13,095 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 19:23:13,095 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 19:23:13,095 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 19:23:13,095 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 19:23:13,095 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 19:23:13,096 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 19:23:13,096 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 19:23:13,096 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 19:23:13,096 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 19:23:13,096 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 19:23:13,096 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 19:23:13,096 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 19:23:13,097 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 19:23:13,097 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 19:23:13,097 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 19:23:13,097 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 19:23:13,097 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 19:23:13,097 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 19:23:13,097 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 19:23:13,097 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 19:23:13,097 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 19:23:13,097 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 19:23:13,098 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 19:23:13,098 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 19:23:13,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 19:23:13,098 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 19:23:13,098 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 19:23:13,098 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 19:23:13,098 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 19:23:13,098 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 19:23:13,098 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 19:23:13,099 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 19:23:13,099 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 19:23:13,099 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-09 19:23:13,099 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-09 19:23:13,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 19:23:13,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:23:13,099 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:23:13,099 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 19:23:13,099 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 19:23:13,099 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-09 19:23:13,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-09 19:23:13,100 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 19:23:13,100 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 19:23:13,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:23:13,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:23:13,376 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:23:13,377 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 19:23:13,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:23:13 BoogieIcfgContainer [2018-12-09 19:23:13,377 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:23:13,377 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:23:13,378 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:23:13,380 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:23:13,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:23:12" (1/3) ... [2018-12-09 19:23:13,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@442da8f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:23:13, skipping insertion in model container [2018-12-09 19:23:13,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:23:13" (2/3) ... [2018-12-09 19:23:13,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@442da8f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:23:13, skipping insertion in model container [2018-12-09 19:23:13,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:23:13" (3/3) ... [2018-12-09 19:23:13,382 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product42_true-unreach-call_false-termination.cil.c [2018-12-09 19:23:13,388 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:23:13,393 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:23:13,402 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:23:13,420 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:23:13,420 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:23:13,420 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:23:13,421 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:23:13,421 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:23:13,421 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:23:13,421 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:23:13,421 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:23:13,432 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states. [2018-12-09 19:23:13,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 19:23:13,437 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:23:13,438 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 19:23:13,439 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:23:13,443 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:23:13,443 INFO L82 PathProgramCache]: Analyzing trace with hash -294225382, now seen corresponding path program 1 times [2018-12-09 19:23:13,444 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:23:13,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:13,472 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:23:13,472 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:13,472 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:23:13,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:23:13,578 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 19:23:13,580 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:23:13,580 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 19:23:13,580 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:23:13,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 19:23:13,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 19:23:13,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:23:13,592 INFO L87 Difference]: Start difference. First operand 140 states. Second operand 2 states. [2018-12-09 19:23:13,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:23:13,614 INFO L93 Difference]: Finished difference Result 254 states and 313 transitions. [2018-12-09 19:23:13,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 19:23:13,615 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-09 19:23:13,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:23:13,621 INFO L225 Difference]: With dead ends: 254 [2018-12-09 19:23:13,622 INFO L226 Difference]: Without dead ends: 127 [2018-12-09 19:23:13,624 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 19:23:13,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-12-09 19:23:13,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-12-09 19:23:13,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-12-09 19:23:13,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 148 transitions. [2018-12-09 19:23:13,654 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 148 transitions. Word has length 52 [2018-12-09 19:23:13,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:23:13,654 INFO L480 AbstractCegarLoop]: Abstraction has 127 states and 148 transitions. [2018-12-09 19:23:13,654 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 19:23:13,654 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 148 transitions. [2018-12-09 19:23:13,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 19:23:13,656 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:23:13,656 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 19:23:13,656 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:23:13,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:23:13,657 INFO L82 PathProgramCache]: Analyzing trace with hash -229410569, now seen corresponding path program 1 times [2018-12-09 19:23:13,657 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:23:13,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:13,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:23:13,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:13,658 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:23:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:23:13,716 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 19:23:13,716 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:23:13,716 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:23:13,716 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:23:13,717 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:23:13,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:23:13,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:23:13,718 INFO L87 Difference]: Start difference. First operand 127 states and 148 transitions. Second operand 3 states. [2018-12-09 19:23:13,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:23:13,730 INFO L93 Difference]: Finished difference Result 199 states and 231 transitions. [2018-12-09 19:23:13,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:23:13,730 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-09 19:23:13,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:23:13,732 INFO L225 Difference]: With dead ends: 199 [2018-12-09 19:23:13,732 INFO L226 Difference]: Without dead ends: 118 [2018-12-09 19:23:13,732 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 19:23:13,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-12-09 19:23:13,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-12-09 19:23:13,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-12-09 19:23:13,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 136 transitions. [2018-12-09 19:23:13,740 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 136 transitions. Word has length 53 [2018-12-09 19:23:13,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:23:13,740 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 136 transitions. [2018-12-09 19:23:13,740 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:23:13,740 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 136 transitions. [2018-12-09 19:23:13,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-12-09 19:23:13,741 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:23:13,741 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 19:23:13,741 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:23:13,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:23:13,742 INFO L82 PathProgramCache]: Analyzing trace with hash -237918661, now seen corresponding path program 1 times [2018-12-09 19:23:13,742 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:23:13,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:13,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:23:13,743 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:13,743 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:23:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:23:13,811 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 19:23:13,811 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:23:13,811 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 19:23:13,811 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:23:13,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 19:23:13,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 19:23:13,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:23:13,812 INFO L87 Difference]: Start difference. First operand 118 states and 136 transitions. Second operand 7 states. [2018-12-09 19:23:13,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:23:13,966 INFO L93 Difference]: Finished difference Result 212 states and 249 transitions. [2018-12-09 19:23:13,966 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 19:23:13,966 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-12-09 19:23:13,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:23:13,967 INFO L225 Difference]: With dead ends: 212 [2018-12-09 19:23:13,968 INFO L226 Difference]: Without dead ends: 118 [2018-12-09 19:23:13,968 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 19:23:13,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-12-09 19:23:13,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-12-09 19:23:13,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-12-09 19:23:13,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 135 transitions. [2018-12-09 19:23:13,977 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 135 transitions. Word has length 58 [2018-12-09 19:23:13,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:23:13,977 INFO L480 AbstractCegarLoop]: Abstraction has 118 states and 135 transitions. [2018-12-09 19:23:13,977 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 19:23:13,977 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 135 transitions. [2018-12-09 19:23:13,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-09 19:23:13,978 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:23:13,978 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] [2018-12-09 19:23:13,978 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:23:13,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:23:13,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1761248130, now seen corresponding path program 1 times [2018-12-09 19:23:13,979 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:23:13,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:13,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:23:13,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:13,980 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:23:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:23:14,033 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 19:23:14,033 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:23:14,033 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 19:23:14,034 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:23:14,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 19:23:14,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 19:23:14,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 19:23:14,034 INFO L87 Difference]: Start difference. First operand 118 states and 135 transitions. Second operand 5 states. [2018-12-09 19:23:14,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:23:14,314 INFO L93 Difference]: Finished difference Result 314 states and 375 transitions. [2018-12-09 19:23:14,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 19:23:14,315 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 66 [2018-12-09 19:23:14,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:23:14,316 INFO L225 Difference]: With dead ends: 314 [2018-12-09 19:23:14,316 INFO L226 Difference]: Without dead ends: 220 [2018-12-09 19:23:14,317 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:23:14,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-12-09 19:23:14,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 201. [2018-12-09 19:23:14,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-12-09 19:23:14,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 230 transitions. [2018-12-09 19:23:14,332 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 230 transitions. Word has length 66 [2018-12-09 19:23:14,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:23:14,332 INFO L480 AbstractCegarLoop]: Abstraction has 201 states and 230 transitions. [2018-12-09 19:23:14,332 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 19:23:14,332 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 230 transitions. [2018-12-09 19:23:14,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 19:23:14,333 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:23:14,333 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] [2018-12-09 19:23:14,333 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:23:14,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:23:14,334 INFO L82 PathProgramCache]: Analyzing trace with hash 895970761, now seen corresponding path program 1 times [2018-12-09 19:23:14,334 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:23:14,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:14,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:23:14,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:14,335 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:23:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:23:14,415 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 19:23:14,415 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:23:14,415 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 19:23:14,415 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:23:14,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 19:23:14,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 19:23:14,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 19:23:14,417 INFO L87 Difference]: Start difference. First operand 201 states and 230 transitions. Second operand 8 states. [2018-12-09 19:23:14,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:23:14,449 INFO L93 Difference]: Finished difference Result 385 states and 451 transitions. [2018-12-09 19:23:14,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:23:14,449 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2018-12-09 19:23:14,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:23:14,451 INFO L225 Difference]: With dead ends: 385 [2018-12-09 19:23:14,451 INFO L226 Difference]: Without dead ends: 208 [2018-12-09 19:23:14,453 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 19:23:14,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2018-12-09 19:23:14,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 205. [2018-12-09 19:23:14,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-12-09 19:23:14,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 234 transitions. [2018-12-09 19:23:14,471 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 234 transitions. Word has length 80 [2018-12-09 19:23:14,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:23:14,471 INFO L480 AbstractCegarLoop]: Abstraction has 205 states and 234 transitions. [2018-12-09 19:23:14,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 19:23:14,471 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 234 transitions. [2018-12-09 19:23:14,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 19:23:14,472 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:23:14,472 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] [2018-12-09 19:23:14,473 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:23:14,473 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:23:14,473 INFO L82 PathProgramCache]: Analyzing trace with hash 968357319, now seen corresponding path program 1 times [2018-12-09 19:23:14,473 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:23:14,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:14,474 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:23:14,474 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:14,474 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:23:14,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:23:14,555 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 19:23:14,555 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:23:14,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:23:14,555 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:23:14,556 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:23:14,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:23:14,556 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:23:14,556 INFO L87 Difference]: Start difference. First operand 205 states and 234 transitions. Second operand 6 states. [2018-12-09 19:23:14,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:23:14,667 INFO L93 Difference]: Finished difference Result 513 states and 613 transitions. [2018-12-09 19:23:14,668 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 19:23:14,668 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2018-12-09 19:23:14,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:23:14,670 INFO L225 Difference]: With dead ends: 513 [2018-12-09 19:23:14,670 INFO L226 Difference]: Without dead ends: 332 [2018-12-09 19:23:14,671 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 19:23:14,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2018-12-09 19:23:14,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 328. [2018-12-09 19:23:14,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2018-12-09 19:23:14,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 379 transitions. [2018-12-09 19:23:14,694 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 379 transitions. Word has length 80 [2018-12-09 19:23:14,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:23:14,694 INFO L480 AbstractCegarLoop]: Abstraction has 328 states and 379 transitions. [2018-12-09 19:23:14,695 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:23:14,695 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 379 transitions. [2018-12-09 19:23:14,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 19:23:14,696 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:23:14,696 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:23:14,696 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:23:14,696 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:23:14,697 INFO L82 PathProgramCache]: Analyzing trace with hash -825537343, now seen corresponding path program 1 times [2018-12-09 19:23:14,697 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:23:14,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:14,698 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:23:14,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:14,698 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:23:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:23:14,769 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 19:23:14,769 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:23:14,769 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:23:14,769 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:23:14,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:23:14,770 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:23:14,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:23:14,770 INFO L87 Difference]: Start difference. First operand 328 states and 379 transitions. Second operand 6 states. [2018-12-09 19:23:14,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:23:14,893 INFO L93 Difference]: Finished difference Result 681 states and 815 transitions. [2018-12-09 19:23:14,893 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:23:14,894 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-09 19:23:14,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:23:14,896 INFO L225 Difference]: With dead ends: 681 [2018-12-09 19:23:14,896 INFO L226 Difference]: Without dead ends: 500 [2018-12-09 19:23:14,896 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 19:23:14,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2018-12-09 19:23:14,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 482. [2018-12-09 19:23:14,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 482 states. [2018-12-09 19:23:14,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 482 states and 568 transitions. [2018-12-09 19:23:14,914 INFO L78 Accepts]: Start accepts. Automaton has 482 states and 568 transitions. Word has length 84 [2018-12-09 19:23:14,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:23:14,915 INFO L480 AbstractCegarLoop]: Abstraction has 482 states and 568 transitions. [2018-12-09 19:23:14,915 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:23:14,915 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 568 transitions. [2018-12-09 19:23:14,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 19:23:14,916 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:23:14,916 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:23:14,916 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:23:14,916 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:23:14,917 INFO L82 PathProgramCache]: Analyzing trace with hash -568158140, now seen corresponding path program 1 times [2018-12-09 19:23:14,917 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:23:14,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:14,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:23:14,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:14,918 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:23:14,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:23:14,976 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 19:23:14,976 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:23:14,976 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 19:23:14,976 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:23:14,977 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 19:23:14,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 19:23:14,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 19:23:14,977 INFO L87 Difference]: Start difference. First operand 482 states and 568 transitions. Second operand 9 states. [2018-12-09 19:23:15,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:23:15,011 INFO L93 Difference]: Finished difference Result 837 states and 999 transitions. [2018-12-09 19:23:15,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 19:23:15,012 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2018-12-09 19:23:15,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:23:15,013 INFO L225 Difference]: With dead ends: 837 [2018-12-09 19:23:15,013 INFO L226 Difference]: Without dead ends: 502 [2018-12-09 19:23:15,014 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 19:23:15,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2018-12-09 19:23:15,029 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 497. [2018-12-09 19:23:15,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 497 states. [2018-12-09 19:23:15,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 585 transitions. [2018-12-09 19:23:15,031 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 585 transitions. Word has length 84 [2018-12-09 19:23:15,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:23:15,031 INFO L480 AbstractCegarLoop]: Abstraction has 497 states and 585 transitions. [2018-12-09 19:23:15,031 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 19:23:15,031 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 585 transitions. [2018-12-09 19:23:15,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 19:23:15,032 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:23:15,032 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:23:15,033 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:23:15,033 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:23:15,033 INFO L82 PathProgramCache]: Analyzing trace with hash -495771582, now seen corresponding path program 1 times [2018-12-09 19:23:15,033 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:23:15,033 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:15,034 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:23:15,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:15,034 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:23:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:23:15,060 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 19:23:15,060 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:23:15,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 19:23:15,060 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:23:15,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 19:23:15,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 19:23:15,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 19:23:15,061 INFO L87 Difference]: Start difference. First operand 497 states and 585 transitions. Second operand 5 states. [2018-12-09 19:23:15,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:23:15,082 INFO L93 Difference]: Finished difference Result 839 states and 1006 transitions. [2018-12-09 19:23:15,083 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 19:23:15,083 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2018-12-09 19:23:15,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:23:15,084 INFO L225 Difference]: With dead ends: 839 [2018-12-09 19:23:15,084 INFO L226 Difference]: Without dead ends: 489 [2018-12-09 19:23:15,085 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 19:23:15,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2018-12-09 19:23:15,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2018-12-09 19:23:15,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2018-12-09 19:23:15,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 574 transitions. [2018-12-09 19:23:15,101 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 574 transitions. Word has length 84 [2018-12-09 19:23:15,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:23:15,102 INFO L480 AbstractCegarLoop]: Abstraction has 489 states and 574 transitions. [2018-12-09 19:23:15,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 19:23:15,102 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 574 transitions. [2018-12-09 19:23:15,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-12-09 19:23:15,103 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:23:15,104 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] [2018-12-09 19:23:15,104 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:23:15,104 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:23:15,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1017486641, now seen corresponding path program 1 times [2018-12-09 19:23:15,104 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:23:15,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:15,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:23:15,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:15,105 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:23:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:23:15,184 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 19:23:15,185 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:23:15,185 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:23:15,185 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 97 with the following transitions: [2018-12-09 19:23:15,187 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [23], [25], [26], [27], [31], [32], [33], [36], [38], [41], [51], [53], [62], [66], [70], [73], [78], [84], [86], [92], [97], [107], [108], [109], [111], [114], [119], [120], [121], [122], [124], [129], [131], [132], [140], [141], [147], [151], [184], [186], [191], [193], [196], [198], [203], [217], [225], [229], [230], [233], [234], [235], [236], [237], [238], [239], [240], [241], [243], [245], [246], [247], [248], [249], [250], [255], [256], [261], [265], [266], [269], [270], [273], [274], [275], [281], [282], [283], [284], [285], [286], [287], [289], [290], [291] [2018-12-09 19:23:15,214 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:23:15,215 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:23:15,514 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 19:23:15,515 INFO L272 AbstractInterpreter]: Visited 70 different actions 70 times. Never merged. Never widened. Performed 2347 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2347 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-09 19:23:15,519 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:23:15,520 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 19:23:15,698 INFO L227 lantSequenceWeakener]: Weakened 68 states. On average, predicates are now at 96.63% of their original sizes. [2018-12-09 19:23:15,698 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 19:23:15,827 INFO L418 sIntCurrentIteration]: We unified 95 AI predicates to 95 [2018-12-09 19:23:15,827 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 19:23:15,828 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 19:23:15,828 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [9] total 25 [2018-12-09 19:23:15,828 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:23:15,828 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-09 19:23:15,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-09 19:23:15,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2018-12-09 19:23:15,828 INFO L87 Difference]: Start difference. First operand 489 states and 574 transitions. Second operand 18 states. [2018-12-09 19:23:18,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:23:18,375 INFO L93 Difference]: Finished difference Result 1076 states and 1282 transitions. [2018-12-09 19:23:18,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-09 19:23:18,375 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 96 [2018-12-09 19:23:18,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:23:18,378 INFO L225 Difference]: With dead ends: 1076 [2018-12-09 19:23:18,378 INFO L226 Difference]: Without dead ends: 611 [2018-12-09 19:23:18,379 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 107 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=757, Unknown=0, NotChecked=0, Total=870 [2018-12-09 19:23:18,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2018-12-09 19:23:18,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 607. [2018-12-09 19:23:18,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 607 states. [2018-12-09 19:23:18,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 607 states to 607 states and 711 transitions. [2018-12-09 19:23:18,404 INFO L78 Accepts]: Start accepts. Automaton has 607 states and 711 transitions. Word has length 96 [2018-12-09 19:23:18,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:23:18,404 INFO L480 AbstractCegarLoop]: Abstraction has 607 states and 711 transitions. [2018-12-09 19:23:18,404 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-09 19:23:18,404 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 711 transitions. [2018-12-09 19:23:18,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-09 19:23:18,405 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:23:18,405 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:23:18,405 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:23:18,406 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:23:18,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1394556845, now seen corresponding path program 1 times [2018-12-09 19:23:18,406 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:23:18,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:18,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:23:18,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:18,406 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:23:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:23:18,473 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 19:23:18,473 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:23:18,473 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 19:23:18,473 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:23:18,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 19:23:18,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 19:23:18,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:23:18,474 INFO L87 Difference]: Start difference. First operand 607 states and 711 transitions. Second operand 10 states. [2018-12-09 19:23:18,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:23:18,578 INFO L93 Difference]: Finished difference Result 1486 states and 1796 transitions. [2018-12-09 19:23:18,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 19:23:18,578 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 100 [2018-12-09 19:23:18,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:23:18,581 INFO L225 Difference]: With dead ends: 1486 [2018-12-09 19:23:18,581 INFO L226 Difference]: Without dead ends: 1021 [2018-12-09 19:23:18,582 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 19:23:18,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1021 states. [2018-12-09 19:23:18,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1021 to 1003. [2018-12-09 19:23:18,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1003 states. [2018-12-09 19:23:18,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 1003 states and 1179 transitions. [2018-12-09 19:23:18,609 INFO L78 Accepts]: Start accepts. Automaton has 1003 states and 1179 transitions. Word has length 100 [2018-12-09 19:23:18,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:23:18,609 INFO L480 AbstractCegarLoop]: Abstraction has 1003 states and 1179 transitions. [2018-12-09 19:23:18,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 19:23:18,609 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1179 transitions. [2018-12-09 19:23:18,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-09 19:23:18,610 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:23:18,610 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:23:18,610 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:23:18,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:23:18,610 INFO L82 PathProgramCache]: Analyzing trace with hash -977645101, now seen corresponding path program 1 times [2018-12-09 19:23:18,610 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:23:18,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:18,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:23:18,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:18,611 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:23:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:23:18,668 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 19:23:18,668 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:23:18,668 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 19:23:18,668 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:23:18,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 19:23:18,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 19:23:18,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:23:18,669 INFO L87 Difference]: Start difference. First operand 1003 states and 1179 transitions. Second operand 10 states. [2018-12-09 19:23:18,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:23:18,770 INFO L93 Difference]: Finished difference Result 1870 states and 2203 transitions. [2018-12-09 19:23:18,771 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 19:23:18,771 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 100 [2018-12-09 19:23:18,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:23:18,772 INFO L225 Difference]: With dead ends: 1870 [2018-12-09 19:23:18,772 INFO L226 Difference]: Without dead ends: 565 [2018-12-09 19:23:18,774 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 19:23:18,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2018-12-09 19:23:18,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 563. [2018-12-09 19:23:18,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 563 states. [2018-12-09 19:23:18,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 563 states and 638 transitions. [2018-12-09 19:23:18,789 INFO L78 Accepts]: Start accepts. Automaton has 563 states and 638 transitions. Word has length 100 [2018-12-09 19:23:18,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:23:18,789 INFO L480 AbstractCegarLoop]: Abstraction has 563 states and 638 transitions. [2018-12-09 19:23:18,789 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 19:23:18,789 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 638 transitions. [2018-12-09 19:23:18,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-09 19:23:18,791 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:23:18,791 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:23:18,791 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:23:18,791 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:23:18,791 INFO L82 PathProgramCache]: Analyzing trace with hash -2143019352, now seen corresponding path program 1 times [2018-12-09 19:23:18,791 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:23:18,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:18,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:23:18,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:23:18,792 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:23:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:23:18,847 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 19:23:18,848 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:23:18,848 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:23:18,848 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 151 with the following transitions: [2018-12-09 19:23:18,848 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [23], [25], [26], [27], [30], [31], [32], [33], [36], [38], [41], [44], [51], [52], [53], [62], [66], [70], [73], [76], [78], [81], [86], [92], [97], [107], [108], [109], [111], [114], [119], [120], [121], [122], [124], [127], [129], [131], [132], [135], [137], [139], [140], [141], [147], [151], [157], [184], [186], [189], [191], [193], [196], [198], [203], [209], [217], [225], [229], [230], [233], [234], [235], [236], [237], [238], [239], [240], [241], [243], [245], [246], [247], [248], [249], [250], [251], [252], [255], [256], [257], [258], [261], [262], [265], [266], [269], [270], [273], [274], [275], [276], [281], [282], [283], [284], [285], [286], [287], [289], [290], [291] [2018-12-09 19:23:18,850 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:23:18,850 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:23:20,153 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:23:20,153 INFO L272 AbstractInterpreter]: Visited 111 different actions 851 times. Merged at 33 different actions 188 times. Widened at 1 different actions 1 times. Performed 37696 root evaluator evaluations with a maximum evaluation depth of 3. Performed 37696 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 31 fixpoints after 10 different actions. Largest state had 133 variables. [2018-12-09 19:23:20,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:23:20,157 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:23:20,157 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:23:20,157 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e6ad1b1d-3c1b-4b12-8b4d-047b70e08e50/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 19:23:20,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:23:20,164 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:23:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:23:20,277 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:23:20,369 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 19:23:20,370 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:23:20,589 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 19:23:20,614 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 19:23:20,614 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9, 9] total 19 [2018-12-09 19:23:20,614 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:23:20,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 19:23:20,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 19:23:20,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-12-09 19:23:20,615 INFO L87 Difference]: Start difference. First operand 563 states and 638 transitions. Second operand 8 states. [2018-12-09 19:23:20,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:23:20,744 INFO L93 Difference]: Finished difference Result 1060 states and 1219 transitions. [2018-12-09 19:23:20,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:23:20,745 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 150 [2018-12-09 19:23:20,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:23:20,745 INFO L225 Difference]: With dead ends: 1060 [2018-12-09 19:23:20,745 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 19:23:20,747 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 308 GetRequests, 286 SyntacticMatches, 5 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 19:23:20,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 19:23:20,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 19:23:20,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 19:23:20,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 19:23:20,748 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2018-12-09 19:23:20,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:23:20,748 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 19:23:20,748 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 19:23:20,748 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 19:23:20,748 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:23:20,751 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 19:23:21,298 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 39 [2018-12-09 19:23:21,684 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 41 [2018-12-09 19:23:22,183 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 38 [2018-12-09 19:23:22,521 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 520 526) the Hoare annotation is: true [2018-12-09 19:23:22,521 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 520 526) no Hoare annotation was computed. [2018-12-09 19:23:22,521 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 527 535) no Hoare annotation was computed. [2018-12-09 19:23:22,521 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 527 535) the Hoare annotation is: true [2018-12-09 19:23:22,521 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 527 535) no Hoare annotation was computed. [2018-12-09 19:23:22,521 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-12-09 19:23:22,521 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-12-09 19:23:22,521 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:23:22,521 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:23:22,521 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:23:22,522 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:23:22,522 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-12-09 19:23:22,522 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-12-09 19:23:22,522 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:23:22,522 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:23:22,522 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-12-09 19:23:22,522 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 325 333) no Hoare annotation was computed. [2018-12-09 19:23:22,522 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 325 333) the Hoare annotation is: true [2018-12-09 19:23:22,522 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 325 333) no Hoare annotation was computed. [2018-12-09 19:23:22,522 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 513 519) no Hoare annotation was computed. [2018-12-09 19:23:22,522 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 513 519) the Hoare annotation is: true [2018-12-09 19:23:22,523 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:23:22,523 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-12-09 19:23:22,523 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-12-09 19:23:22,523 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 314 324) the Hoare annotation is: true [2018-12-09 19:23:22,523 INFO L451 ceAbstractionStarter]: At program point L319(line 319) the Hoare annotation is: true [2018-12-09 19:23:22,523 INFO L448 ceAbstractionStarter]: For program point L319-1(line 319) no Hoare annotation was computed. [2018-12-09 19:23:22,523 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 314 324) no Hoare annotation was computed. [2018-12-09 19:23:22,523 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 314 324) no Hoare annotation was computed. [2018-12-09 19:23:22,523 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 478 491) no Hoare annotation was computed. [2018-12-09 19:23:22,523 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 478 491) the Hoare annotation is: true [2018-12-09 19:23:22,523 INFO L448 ceAbstractionStarter]: For program point L482(lines 482 488) no Hoare annotation was computed. [2018-12-09 19:23:22,523 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 478 491) no Hoare annotation was computed. [2018-12-09 19:23:22,523 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 255 279) no Hoare annotation was computed. [2018-12-09 19:23:22,523 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 255 279) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= 1 |old(~pumpRunning~0)|)) .cse1 (= ~pumpRunning~0 1)))) [2018-12-09 19:23:22,524 INFO L444 ceAbstractionStarter]: At program point L274(line 274) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or (not (= 1 |old(~pumpRunning~0)|)) .cse1 (= ~pumpRunning~0 1)))) [2018-12-09 19:23:22,524 INFO L448 ceAbstractionStarter]: For program point L274-1(lines 255 279) no Hoare annotation was computed. [2018-12-09 19:23:22,524 INFO L444 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (and .cse4 .cse3)) (or .cse0 .cse1 .cse2 .cse4))) [2018-12-09 19:23:22,524 INFO L444 ceAbstractionStarter]: At program point L265(line 265) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or (= processEnvironment_~tmp~2 1) .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 .cse1 .cse3 .cse2))) [2018-12-09 19:23:22,524 INFO L448 ceAbstractionStarter]: For program point L263(lines 263 271) no Hoare annotation was computed. [2018-12-09 19:23:22,524 INFO L444 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 19:23:22,524 INFO L448 ceAbstractionStarter]: For program point L261-1(line 261) no Hoare annotation was computed. [2018-12-09 19:23:22,524 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 276) no Hoare annotation was computed. [2018-12-09 19:23:22,524 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 247 253) no Hoare annotation was computed. [2018-12-09 19:23:22,524 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 247 253) the Hoare annotation is: true [2018-12-09 19:23:22,524 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 145 210) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:23:22,524 INFO L448 ceAbstractionStarter]: For program point L157(lines 157 161) no Hoare annotation was computed. [2018-12-09 19:23:22,525 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 145 210) no Hoare annotation was computed. [2018-12-09 19:23:22,525 INFO L444 ceAbstractionStarter]: At program point L203(lines 154 204) 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 19:23:22,525 INFO L448 ceAbstractionStarter]: For program point L193(lines 193 197) no Hoare annotation was computed. [2018-12-09 19:23:22,525 INFO L444 ceAbstractionStarter]: At program point L193-2(lines 185 198) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 1) .cse1 .cse2))) [2018-12-09 19:23:22,525 INFO L448 ceAbstractionStarter]: For program point L156(lines 155 202) no Hoare annotation was computed. [2018-12-09 19:23:22,525 INFO L444 ceAbstractionStarter]: At program point L187(line 187) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 1) .cse1 .cse2))) [2018-12-09 19:23:22,525 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 198) no Hoare annotation was computed. [2018-12-09 19:23:22,525 INFO L444 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 1) .cse1 .cse2))) [2018-12-09 19:23:22,525 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 181) no Hoare annotation was computed. [2018-12-09 19:23:22,525 INFO L448 ceAbstractionStarter]: For program point L175-1(lines 175 181) no Hoare annotation was computed. [2018-12-09 19:23:22,526 INFO L444 ceAbstractionStarter]: At program point L200(lines 155 202) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (not (= ~waterLevel~0 2)) (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 1) .cse1 .cse2))) [2018-12-09 19:23:22,526 INFO L444 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (not (= ~waterLevel~0 2)) (= 0 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 1) .cse1 .cse2))) [2018-12-09 19:23:22,526 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 171) no Hoare annotation was computed. [2018-12-09 19:23:22,526 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 165 171) no Hoare annotation was computed. [2018-12-09 19:23:22,526 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 145 210) no Hoare annotation was computed. [2018-12-09 19:23:22,526 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 280 287) the Hoare annotation is: (or (= 0 ~pumpRunning~0) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)))) [2018-12-09 19:23:22,526 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 280 287) no Hoare annotation was computed. [2018-12-09 19:23:22,526 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 280 287) no Hoare annotation was computed. [2018-12-09 19:23:22,526 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:23:22,526 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-12-09 19:23:22,526 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:23:22,526 INFO L444 ceAbstractionStarter]: At program point L300(line 300) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1))) [2018-12-09 19:23:22,527 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 289 305) no Hoare annotation was computed. [2018-12-09 19:23:22,527 INFO L448 ceAbstractionStarter]: For program point L300-1(lines 289 305) no Hoare annotation was computed. [2018-12-09 19:23:22,527 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 289 305) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 19:23:22,527 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 302) no Hoare annotation was computed. [2018-12-09 19:23:22,527 INFO L444 ceAbstractionStarter]: At program point L294(line 294) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 19:23:22,527 INFO L448 ceAbstractionStarter]: For program point L294-1(line 294) no Hoare annotation was computed. [2018-12-09 19:23:22,527 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 469 477) the Hoare annotation is: true [2018-12-09 19:23:22,527 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 469 477) no Hoare annotation was computed. [2018-12-09 19:23:22,527 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 469 477) no Hoare annotation was computed. [2018-12-09 19:23:22,527 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 370 388) no Hoare annotation was computed. [2018-12-09 19:23:22,527 INFO L448 ceAbstractionStarter]: For program point L379(lines 379 383) no Hoare annotation was computed. [2018-12-09 19:23:22,527 INFO L451 ceAbstractionStarter]: At program point L377(line 377) the Hoare annotation is: true [2018-12-09 19:23:22,527 INFO L448 ceAbstractionStarter]: For program point L379-2(lines 379 383) no Hoare annotation was computed. [2018-12-09 19:23:22,527 INFO L448 ceAbstractionStarter]: For program point L377-1(line 377) no Hoare annotation was computed. [2018-12-09 19:23:22,528 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 370 388) the Hoare annotation is: true [2018-12-09 19:23:22,528 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 370 388) no Hoare annotation was computed. [2018-12-09 19:23:22,528 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 425 436) no Hoare annotation was computed. [2018-12-09 19:23:22,528 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 425 436) the Hoare annotation is: (let ((.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or .cse3 .cse2 (= ~methaneLevelCritical~0 0) (not (= |old(~methaneLevelCritical~0)| 0))) (or .cse0 .cse3 .cse2 .cse1))) [2018-12-09 19:23:22,528 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 425 436) no Hoare annotation was computed. [2018-12-09 19:23:22,528 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 437 445) the Hoare annotation is: true [2018-12-09 19:23:22,528 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 437 445) no Hoare annotation was computed. [2018-12-09 19:23:22,528 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 437 445) no Hoare annotation was computed. [2018-12-09 19:23:22,528 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 223 246) the Hoare annotation is: (let ((.cse10 (= ~waterLevel~0 2))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not .cse10)) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse8 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse9 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= |old(~waterLevel~0)| 2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse5) (or .cse6 .cse7 .cse8 .cse3) (or .cse0 .cse6 .cse1 .cse3 .cse7) (or .cse6 .cse1 .cse3 .cse9 (and .cse7 .cse5)) (or .cse1 .cse2 .cse3 .cse4 .cse9) (or .cse2 .cse8 .cse3 .cse4) (or .cse8 .cse3 (= ~pumpRunning~0 1)) (or .cse1 (and .cse10 (= ~pumpRunning~0 0)) .cse3 .cse9 (not .cse6))))) [2018-12-09 19:23:22,528 INFO L444 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (let ((.cse9 (= ~waterLevel~0 2))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not .cse9)) (.cse5 (= 0 ~pumpRunning~0)) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse6 (= |old(~waterLevel~0)| 2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse5) (or .cse0 .cse6 .cse1 .cse3 .cse7) (or .cse6 .cse1 .cse3 .cse8 (and .cse7 .cse5)) (or .cse1 .cse2 .cse3 .cse4 .cse8) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 (= ~pumpRunning~0 1)) (or .cse1 (and .cse9 (= ~pumpRunning~0 0)) .cse3 .cse8 (not .cse6))))) [2018-12-09 19:23:22,529 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 223 246) no Hoare annotation was computed. [2018-12-09 19:23:22,529 INFO L444 ceAbstractionStarter]: At program point L234(lines 234 240) the Hoare annotation is: (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse7 (= |old(~waterLevel~0)| 2)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= ~waterLevel~0 2))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= ~pumpRunning~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse9 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse6 (not .cse7)) (or .cse0 .cse7 .cse1 .cse8 .cse3) (or .cse1 .cse2 .cse3 .cse4 .cse6) (or (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse5) (or (and .cse8 .cse5) .cse7 .cse1 .cse3 .cse6 (and .cse8 .cse9)) (or .cse0 .cse1 .cse5 .cse3 .cse9))) [2018-12-09 19:23:22,529 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 223 246) no Hoare annotation was computed. [2018-12-09 19:23:22,529 INFO L444 ceAbstractionStarter]: At program point L229(line 229) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse2 .cse1 (= ~pumpRunning~0 1)) (or .cse2 .cse1 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)))) [2018-12-09 19:23:22,529 INFO L448 ceAbstractionStarter]: For program point L227(lines 226 245) no Hoare annotation was computed. [2018-12-09 19:23:22,529 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-09 19:23:22,529 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-09 19:23:22,529 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-09 19:23:22,529 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-09 19:23:22,529 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-09 19:23:22,529 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-09 19:23:22,529 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-09 19:23:22,530 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-09 19:23:22,530 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-09 19:23:22,530 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-09 19:23:22,530 INFO L444 ceAbstractionStarter]: At program point L926(line 926) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or (= ~waterLevel~0 2) .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= 1 ~pumpRunning~0)) .cse1))) [2018-12-09 19:23:22,530 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 903 935) no Hoare annotation was computed. [2018-12-09 19:23:22,530 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 928) no Hoare annotation was computed. [2018-12-09 19:23:22,530 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 903 935) the Hoare annotation is: true [2018-12-09 19:23:22,530 INFO L444 ceAbstractionStarter]: At program point L920(line 920) the Hoare annotation is: (let ((.cse1 (not (= 1 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= ~waterLevel~0 2)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse0 .cse4 .cse2) (or .cse3 .cse4 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 19:23:22,530 INFO L448 ceAbstractionStarter]: For program point L920-1(line 920) no Hoare annotation was computed. [2018-12-09 19:23:22,530 INFO L448 ceAbstractionStarter]: For program point L918(lines 918 931) no Hoare annotation was computed. [2018-12-09 19:23:22,530 INFO L448 ceAbstractionStarter]: For program point L918-1(lines 903 935) no Hoare annotation was computed. [2018-12-09 19:23:22,530 INFO L444 ceAbstractionStarter]: At program point L916(line 916) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1) (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1))) [2018-12-09 19:23:22,530 INFO L448 ceAbstractionStarter]: For program point L916-1(line 916) no Hoare annotation was computed. [2018-12-09 19:23:22,531 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 932) no Hoare annotation was computed. [2018-12-09 19:23:22,531 INFO L451 ceAbstractionStarter]: At program point L910(line 910) the Hoare annotation is: true [2018-12-09 19:23:22,531 INFO L448 ceAbstractionStarter]: For program point L910-1(line 910) no Hoare annotation was computed. [2018-12-09 19:23:22,531 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 401 412) the Hoare annotation is: (or (not (= 1 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (= 1 ~waterLevel~0) (not (= |old(~waterLevel~0)| 1))) [2018-12-09 19:23:22,531 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 401 412) no Hoare annotation was computed. [2018-12-09 19:23:22,531 INFO L448 ceAbstractionStarter]: For program point L405-1(lines 401 412) no Hoare annotation was computed. [2018-12-09 19:23:22,531 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-09 19:23:22,531 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-09 19:23:22,531 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:23:22,531 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 19:23:22,531 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:23:22,531 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:23:22,531 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 389 396) no Hoare annotation was computed. [2018-12-09 19:23:22,531 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 389 396) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 1)) (.cse0 (not (= |old(~systemActive~0)| 1)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 .cse1) (or .cse2 .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 19:23:22,532 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 389 396) no Hoare annotation was computed. [2018-12-09 19:23:22,532 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 413 424) no Hoare annotation was computed. [2018-12-09 19:23:22,532 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 413 424) no Hoare annotation was computed. [2018-12-09 19:23:22,532 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 413 424) the Hoare annotation is: (let ((.cse8 (not (= 1 ~pumpRunning~0))) (.cse6 (= |old(~waterLevel~0)| 2)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~waterLevel~0 2))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse2 .cse7) (or .cse1 .cse8 .cse2 .cse3) (or .cse6 .cse7 .cse8 .cse2) (or .cse6 .cse0 .cse2 .cse4 .cse7) (or .cse5 .cse0 .cse1 .cse2 .cse3))) [2018-12-09 19:23:22,532 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 493 500) no Hoare annotation was computed. [2018-12-09 19:23:22,532 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 497) no Hoare annotation was computed. [2018-12-09 19:23:22,532 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 493 500) the Hoare annotation is: true [2018-12-09 19:23:22,532 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 493 500) no Hoare annotation was computed. [2018-12-09 19:23:22,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:23:22 BoogieIcfgContainer [2018-12-09 19:23:22,542 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:23:22,542 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:23:22,542 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:23:22,542 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:23:22,543 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:23:13" (3/4) ... [2018-12-09 19:23:22,546 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:23:22,550 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 19:23:22,550 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 19:23:22,550 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 19:23:22,550 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 19:23:22,550 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 19:23:22,550 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 19:23:22,550 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 19:23:22,551 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 19:23:22,551 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 19:23:22,551 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 19:23:22,551 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 19:23:22,551 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-09 19:23:22,551 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 19:23:22,551 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 19:23:22,551 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 19:23:22,551 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 19:23:22,551 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 19:23:22,551 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 19:23:22,551 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 19:23:22,551 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 19:23:22,551 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-09 19:23:22,551 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 19:23:22,552 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 19:23:22,552 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 19:23:22,552 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 19:23:22,552 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 19:23:22,557 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-09 19:23:22,558 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-09 19:23:22,558 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 19:23:22,558 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 19:23:22,558 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 19:23:22,559 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 19:23:22,577 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(waterLevel == 2) && 0 == methaneLevelCritical) && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((pumpRunning == 1 && systemActive == 1) && splverifierCounter == 0) [2018-12-09 19:23:22,577 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 19:23:22,597 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e6ad1b1d-3c1b-4b12-8b4d-047b70e08e50/bin-2019/utaipan/witness.graphml [2018-12-09 19:23:22,598 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:23:22,598 INFO L168 Benchmark]: Toolchain (without parser) took 9895.84 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 446.2 MB). Free memory was 945.9 MB in the beginning and 1.2 GB in the end (delta: -223.7 MB). Peak memory consumption was 222.4 MB. Max. memory is 11.5 GB. [2018-12-09 19:23:22,598 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 19:23:22,599 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 67.6 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -111.0 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-09 19:23:22,599 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.00 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 19:23:22,599 INFO L168 Benchmark]: Boogie Preprocessor took 20.87 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:23:22,599 INFO L168 Benchmark]: RCFGBuilder took 315.27 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: 46.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 11.5 GB. [2018-12-09 19:23:22,599 INFO L168 Benchmark]: TraceAbstraction took 9164.45 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 378.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -175.1 MB). Peak memory consumption was 629.1 MB. Max. memory is 11.5 GB. [2018-12-09 19:23:22,600 INFO L168 Benchmark]: Witness Printer took 55.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-12-09 19:23:22,601 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 317.05 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 67.6 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -111.0 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.00 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.87 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 315.27 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: 46.7 MB). Peak memory consumption was 46.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9164.45 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 378.5 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -175.1 MB). Peak memory consumption was 629.1 MB. Max. memory is 11.5 GB. * Witness Printer took 55.36 ms. Allocated memory is still 1.5 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 497]: 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: 154]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\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: 155]: Loop Invariant Derived loop invariant: (((((((((!(waterLevel == 2) && 0 == methaneLevelCritical) && 0 == pumpRunning) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((pumpRunning == 1 && systemActive == 1) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 140 locations, 1 error locations. SAFE Result, 9.1s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 3.7s AutomataDifference, 0.0s DeadEndRemovalTime, 1.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2006 SDtfs, 873 SDslu, 8615 SDs, 0 SdLazy, 1889 SolverSat, 166 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 524 GetRequests, 406 SyntacticMatches, 6 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 178 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1003occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.6s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.9966324353749211 AbsIntWeakeningRatio, 1.1789473684210525 AbsIntAvgWeakeningVarsNumRemoved, 80.48421052631579 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 73 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 1821 PreInvPairs, 1962 NumberOfFragments, 1787 HoareAnnotationTreeSize, 1821 FomulaSimplifications, 2119 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 58 FomulaSimplificationsInter, 9970 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1237 NumberOfCodeBlocks, 1237 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1372 ConstructedInterpolants, 0 QuantifiedInterpolants, 216881 SizeOfPredicates, 3 NumberOfNonLiveVariables, 876 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 150/156 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...