./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product62_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_55a3c6d6-5798-4b38-98f2-64bbbf987fdb/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_55a3c6d6-5798-4b38-98f2-64bbbf987fdb/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_55a3c6d6-5798-4b38-98f2-64bbbf987fdb/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_55a3c6d6-5798-4b38-98f2-64bbbf987fdb/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product62_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_55a3c6d6-5798-4b38-98f2-64bbbf987fdb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_55a3c6d6-5798-4b38-98f2-64bbbf987fdb/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 23f993c1cfae7b9f66cc8c2fd252077854486eec ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 17:41:03,235 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 17:41:03,237 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 17:41:03,245 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 17:41:03,245 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 17:41:03,246 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 17:41:03,247 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 17:41:03,248 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 17:41:03,249 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 17:41:03,250 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 17:41:03,250 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 17:41:03,251 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 17:41:03,251 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 17:41:03,252 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 17:41:03,253 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 17:41:03,253 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 17:41:03,254 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 17:41:03,255 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 17:41:03,257 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 17:41:03,258 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 17:41:03,259 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 17:41:03,260 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 17:41:03,261 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 17:41:03,262 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 17:41:03,262 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 17:41:03,262 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 17:41:03,263 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 17:41:03,264 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 17:41:03,264 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 17:41:03,265 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 17:41:03,265 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 17:41:03,266 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 17:41:03,266 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 17:41:03,266 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 17:41:03,267 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 17:41:03,267 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 17:41:03,268 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_55a3c6d6-5798-4b38-98f2-64bbbf987fdb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 17:41:03,278 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 17:41:03,279 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 17:41:03,279 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 17:41:03,279 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 17:41:03,279 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 17:41:03,280 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 17:41:03,280 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 17:41:03,280 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 17:41:03,280 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 17:41:03,280 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 17:41:03,280 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 17:41:03,280 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 17:41:03,280 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 17:41:03,281 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 17:41:03,281 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 17:41:03,281 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 17:41:03,281 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 17:41:03,281 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 17:41:03,282 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 17:41:03,282 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 17:41:03,282 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 17:41:03,282 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 17:41:03,282 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 17:41:03,282 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 17:41:03,282 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 17:41:03,282 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 17:41:03,283 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 17:41:03,283 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 17:41:03,283 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:41:03,283 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 17:41:03,283 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 17:41:03,283 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 17:41:03,283 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 17:41:03,283 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 17:41:03,283 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 17:41:03,283 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 17:41:03,284 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_55a3c6d6-5798-4b38-98f2-64bbbf987fdb/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 -> 23f993c1cfae7b9f66cc8c2fd252077854486eec [2018-12-09 17:41:03,306 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 17:41:03,312 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 17:41:03,314 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 17:41:03,315 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 17:41:03,315 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 17:41:03,316 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_55a3c6d6-5798-4b38-98f2-64bbbf987fdb/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product62_true-unreach-call_false-termination.cil.c [2018-12-09 17:41:03,349 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55a3c6d6-5798-4b38-98f2-64bbbf987fdb/bin-2019/utaipan/data/54d37f30a/e9e40295801a4f80a3a9a401c98a1a94/FLAG2da413234 [2018-12-09 17:41:03,753 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 17:41:03,754 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_55a3c6d6-5798-4b38-98f2-64bbbf987fdb/sv-benchmarks/c/product-lines/minepump_spec2_product62_true-unreach-call_false-termination.cil.c [2018-12-09 17:41:03,760 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_55a3c6d6-5798-4b38-98f2-64bbbf987fdb/bin-2019/utaipan/data/54d37f30a/e9e40295801a4f80a3a9a401c98a1a94/FLAG2da413234 [2018-12-09 17:41:03,767 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_55a3c6d6-5798-4b38-98f2-64bbbf987fdb/bin-2019/utaipan/data/54d37f30a/e9e40295801a4f80a3a9a401c98a1a94 [2018-12-09 17:41:03,769 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 17:41:03,770 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 17:41:03,770 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 17:41:03,771 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 17:41:03,773 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 17:41:03,773 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:41:03" (1/1) ... [2018-12-09 17:41:03,775 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2648fef5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:03, skipping insertion in model container [2018-12-09 17:41:03,775 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:41:03" (1/1) ... [2018-12-09 17:41:03,779 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 17:41:03,799 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 17:41:03,944 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:41:03,984 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 17:41:04,024 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:41:04,040 INFO L195 MainTranslator]: Completed translation [2018-12-09 17:41:04,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:04 WrapperNode [2018-12-09 17:41:04,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 17:41:04,041 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 17:41:04,041 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 17:41:04,041 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 17:41:04,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:04" (1/1) ... [2018-12-09 17:41:04,055 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:04" (1/1) ... [2018-12-09 17:41:04,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 17:41:04,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 17:41:04,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 17:41:04,061 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 17:41:04,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:04" (1/1) ... [2018-12-09 17:41:04,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:04" (1/1) ... [2018-12-09 17:41:04,069 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:04" (1/1) ... [2018-12-09 17:41:04,069 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:04" (1/1) ... [2018-12-09 17:41:04,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:04" (1/1) ... [2018-12-09 17:41:04,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:04" (1/1) ... [2018-12-09 17:41:04,081 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:04" (1/1) ... [2018-12-09 17:41:04,083 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 17:41:04,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 17:41:04,083 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 17:41:04,083 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 17:41:04,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55a3c6d6-5798-4b38-98f2-64bbbf987fdb/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 17:41:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 17:41:04,116 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 17:41:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 17:41:04,116 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 17:41:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 17:41:04,116 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 17:41:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 17:41:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 17:41:04,116 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 17:41:04,116 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 17:41:04,117 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 17:41:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 17:41:04,117 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 17:41:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 17:41:04,117 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 17:41:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 17:41:04,117 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 17:41:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 17:41:04,117 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 17:41:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 17:41:04,117 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 17:41:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-09 17:41:04,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-09 17:41:04,117 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-09 17:41:04,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-09 17:41:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 17:41:04,118 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 17:41:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 17:41:04,118 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 17:41:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 17:41:04,118 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 17:41:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 17:41:04,118 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 17:41:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 17:41:04,118 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 17:41:04,118 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 17:41:04,118 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 17:41:04,119 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 17:41:04,119 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 17:41:04,119 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 17:41:04,119 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 17:41:04,119 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 17:41:04,119 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 17:41:04,119 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 17:41:04,119 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 17:41:04,119 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 17:41:04,119 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 17:41:04,119 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 17:41:04,119 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 17:41:04,119 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 17:41:04,120 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 17:41:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 17:41:04,120 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 17:41:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 17:41:04,120 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 17:41:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 17:41:04,120 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 17:41:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 17:41:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 17:41:04,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 17:41:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 17:41:04,120 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 17:41:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 17:41:04,120 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 17:41:04,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 17:41:04,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 17:41:04,456 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 17:41:04,456 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 17:41:04,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:41:04 BoogieIcfgContainer [2018-12-09 17:41:04,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 17:41:04,457 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 17:41:04,457 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 17:41:04,459 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 17:41:04,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:41:03" (1/3) ... [2018-12-09 17:41:04,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d1c8aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:41:04, skipping insertion in model container [2018-12-09 17:41:04,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:41:04" (2/3) ... [2018-12-09 17:41:04,460 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78d1c8aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:41:04, skipping insertion in model container [2018-12-09 17:41:04,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:41:04" (3/3) ... [2018-12-09 17:41:04,461 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product62_true-unreach-call_false-termination.cil.c [2018-12-09 17:41:04,467 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 17:41:04,472 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 17:41:04,481 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 17:41:04,500 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 17:41:04,500 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 17:41:04,501 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 17:41:04,501 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 17:41:04,501 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 17:41:04,501 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 17:41:04,501 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 17:41:04,501 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 17:41:04,513 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states. [2018-12-09 17:41:04,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 17:41:04,518 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:41:04,519 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] [2018-12-09 17:41:04,520 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:41:04,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:41:04,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1438635826, now seen corresponding path program 1 times [2018-12-09 17:41:04,525 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:41:04,553 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:41:04,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:41:04,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:41:04,554 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:41:04,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:41:04,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:41:04,664 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:41:04,665 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 17:41:04,665 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:41:04,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 17:41:04,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 17:41:04,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 17:41:04,678 INFO L87 Difference]: Start difference. First operand 172 states. Second operand 2 states. [2018-12-09 17:41:04,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:41:04,702 INFO L93 Difference]: Finished difference Result 314 states and 391 transitions. [2018-12-09 17:41:04,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 17:41:04,703 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-09 17:41:04,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:41:04,710 INFO L225 Difference]: With dead ends: 314 [2018-12-09 17:41:04,710 INFO L226 Difference]: Without dead ends: 159 [2018-12-09 17:41:04,712 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 17:41:04,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-12-09 17:41:04,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2018-12-09 17:41:04,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-12-09 17:41:04,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 189 transitions. [2018-12-09 17:41:04,744 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 189 transitions. Word has length 51 [2018-12-09 17:41:04,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:41:04,745 INFO L480 AbstractCegarLoop]: Abstraction has 159 states and 189 transitions. [2018-12-09 17:41:04,745 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 17:41:04,745 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 189 transitions. [2018-12-09 17:41:04,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 17:41:04,746 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:41:04,746 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:41:04,747 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:41:04,747 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:41:04,747 INFO L82 PathProgramCache]: Analyzing trace with hash -2066845612, now seen corresponding path program 1 times [2018-12-09 17:41:04,747 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:41:04,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:41:04,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:41:04,748 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:41:04,748 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:41:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:41:04,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:41:04,799 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:41:04,799 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 17:41:04,799 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:41:04,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 17:41:04,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 17:41:04,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:41:04,801 INFO L87 Difference]: Start difference. First operand 159 states and 189 transitions. Second operand 3 states. [2018-12-09 17:41:04,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:41:04,815 INFO L93 Difference]: Finished difference Result 259 states and 309 transitions. [2018-12-09 17:41:04,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 17:41:04,815 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-09 17:41:04,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:41:04,817 INFO L225 Difference]: With dead ends: 259 [2018-12-09 17:41:04,817 INFO L226 Difference]: Without dead ends: 150 [2018-12-09 17:41:04,818 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 17:41:04,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-12-09 17:41:04,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-12-09 17:41:04,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-12-09 17:41:04,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 177 transitions. [2018-12-09 17:41:04,826 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 177 transitions. Word has length 52 [2018-12-09 17:41:04,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:41:04,826 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 177 transitions. [2018-12-09 17:41:04,826 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 17:41:04,826 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 177 transitions. [2018-12-09 17:41:04,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 17:41:04,827 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:41:04,827 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:41:04,827 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:41:04,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:41:04,827 INFO L82 PathProgramCache]: Analyzing trace with hash -1429957542, now seen corresponding path program 1 times [2018-12-09 17:41:04,828 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:41:04,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:41:04,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:41:04,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:41:04,828 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:41:04,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:41:04,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:41:04,900 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:41:04,900 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 17:41:04,900 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:41:04,900 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 17:41:04,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 17:41:04,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 17:41:04,901 INFO L87 Difference]: Start difference. First operand 150 states and 177 transitions. Second operand 7 states. [2018-12-09 17:41:05,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:41:05,060 INFO L93 Difference]: Finished difference Result 272 states and 327 transitions. [2018-12-09 17:41:05,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 17:41:05,060 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-09 17:41:05,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:41:05,061 INFO L225 Difference]: With dead ends: 272 [2018-12-09 17:41:05,061 INFO L226 Difference]: Without dead ends: 150 [2018-12-09 17:41:05,062 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 17:41:05,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-12-09 17:41:05,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-12-09 17:41:05,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-12-09 17:41:05,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2018-12-09 17:41:05,070 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 57 [2018-12-09 17:41:05,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:41:05,070 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2018-12-09 17:41:05,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 17:41:05,070 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2018-12-09 17:41:05,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 17:41:05,071 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:41:05,072 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] [2018-12-09 17:41:05,072 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:41:05,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:41:05,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1157434000, now seen corresponding path program 1 times [2018-12-09 17:41:05,072 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:41:05,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:41:05,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:41:05,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:41:05,073 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:41:05,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:41:05,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:41:05,138 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:41:05,138 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 17:41:05,138 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:41:05,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 17:41:05,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 17:41:05,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 17:41:05,139 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand 5 states. [2018-12-09 17:41:05,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:41:05,469 INFO L93 Difference]: Finished difference Result 388 states and 472 transitions. [2018-12-09 17:41:05,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 17:41:05,470 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2018-12-09 17:41:05,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:41:05,472 INFO L225 Difference]: With dead ends: 388 [2018-12-09 17:41:05,472 INFO L226 Difference]: Without dead ends: 266 [2018-12-09 17:41:05,473 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 17:41:05,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2018-12-09 17:41:05,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 247. [2018-12-09 17:41:05,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-12-09 17:41:05,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 282 transitions. [2018-12-09 17:41:05,492 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 282 transitions. Word has length 75 [2018-12-09 17:41:05,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:41:05,492 INFO L480 AbstractCegarLoop]: Abstraction has 247 states and 282 transitions. [2018-12-09 17:41:05,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 17:41:05,493 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 282 transitions. [2018-12-09 17:41:05,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 17:41:05,494 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:41:05,494 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:41:05,494 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:41:05,494 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:41:05,494 INFO L82 PathProgramCache]: Analyzing trace with hash 1794259625, now seen corresponding path program 1 times [2018-12-09 17:41:05,494 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:41:05,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:41:05,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:41:05,495 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:41:05,496 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:41:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:41:05,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:41:05,548 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:41:05,548 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 17:41:05,548 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:41:05,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 17:41:05,548 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 17:41:05,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 17:41:05,549 INFO L87 Difference]: Start difference. First operand 247 states and 282 transitions. Second operand 6 states. [2018-12-09 17:41:05,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:41:05,693 INFO L93 Difference]: Finished difference Result 667 states and 782 transitions. [2018-12-09 17:41:05,694 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 17:41:05,694 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-12-09 17:41:05,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:41:05,697 INFO L225 Difference]: With dead ends: 667 [2018-12-09 17:41:05,697 INFO L226 Difference]: Without dead ends: 448 [2018-12-09 17:41:05,698 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 17:41:05,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2018-12-09 17:41:05,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 442. [2018-12-09 17:41:05,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 442 states. [2018-12-09 17:41:05,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 442 states and 504 transitions. [2018-12-09 17:41:05,724 INFO L78 Accepts]: Start accepts. Automaton has 442 states and 504 transitions. Word has length 89 [2018-12-09 17:41:05,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:41:05,725 INFO L480 AbstractCegarLoop]: Abstraction has 442 states and 504 transitions. [2018-12-09 17:41:05,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 17:41:05,725 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 504 transitions. [2018-12-09 17:41:05,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 17:41:05,726 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:41:05,726 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:41:05,726 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:41:05,726 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:41:05,726 INFO L82 PathProgramCache]: Analyzing trace with hash -465119795, now seen corresponding path program 1 times [2018-12-09 17:41:05,726 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:41:05,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:41:05,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:41:05,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:41:05,727 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:41:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:41:05,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:41:05,800 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:41:05,800 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 17:41:05,800 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:41:05,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 17:41:05,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 17:41:05,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 17:41:05,801 INFO L87 Difference]: Start difference. First operand 442 states and 504 transitions. Second operand 7 states. [2018-12-09 17:41:06,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:41:06,131 INFO L93 Difference]: Finished difference Result 887 states and 1036 transitions. [2018-12-09 17:41:06,132 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 17:41:06,132 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 93 [2018-12-09 17:41:06,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:41:06,133 INFO L225 Difference]: With dead ends: 887 [2018-12-09 17:41:06,133 INFO L226 Difference]: Without dead ends: 473 [2018-12-09 17:41:06,134 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 17:41:06,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2018-12-09 17:41:06,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 441. [2018-12-09 17:41:06,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 441 states. [2018-12-09 17:41:06,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 441 states and 501 transitions. [2018-12-09 17:41:06,149 INFO L78 Accepts]: Start accepts. Automaton has 441 states and 501 transitions. Word has length 93 [2018-12-09 17:41:06,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:41:06,149 INFO L480 AbstractCegarLoop]: Abstraction has 441 states and 501 transitions. [2018-12-09 17:41:06,149 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 17:41:06,149 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 501 transitions. [2018-12-09 17:41:06,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 17:41:06,150 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:41:06,150 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:41:06,150 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:41:06,150 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:41:06,151 INFO L82 PathProgramCache]: Analyzing trace with hash -712209462, now seen corresponding path program 1 times [2018-12-09 17:41:06,151 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:41:06,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:41:06,151 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:41:06,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:41:06,151 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:41:06,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:41:06,192 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 17:41:06,192 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:41:06,192 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 17:41:06,192 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:41:06,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 17:41:06,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 17:41:06,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 17:41:06,193 INFO L87 Difference]: Start difference. First operand 441 states and 501 transitions. Second operand 6 states. [2018-12-09 17:41:06,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:41:06,218 INFO L93 Difference]: Finished difference Result 868 states and 1010 transitions. [2018-12-09 17:41:06,218 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 17:41:06,219 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2018-12-09 17:41:06,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:41:06,220 INFO L225 Difference]: With dead ends: 868 [2018-12-09 17:41:06,220 INFO L226 Difference]: Without dead ends: 455 [2018-12-09 17:41:06,221 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-09 17:41:06,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2018-12-09 17:41:06,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 451. [2018-12-09 17:41:06,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2018-12-09 17:41:06,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 511 transitions. [2018-12-09 17:41:06,234 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 511 transitions. Word has length 109 [2018-12-09 17:41:06,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:41:06,235 INFO L480 AbstractCegarLoop]: Abstraction has 451 states and 511 transitions. [2018-12-09 17:41:06,235 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 17:41:06,235 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 511 transitions. [2018-12-09 17:41:06,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 17:41:06,236 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:41:06,236 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:41:06,236 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:41:06,236 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:41:06,237 INFO L82 PathProgramCache]: Analyzing trace with hash 1226952584, now seen corresponding path program 1 times [2018-12-09 17:41:06,237 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:41:06,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:41:06,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:41:06,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:41:06,237 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:41:06,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:41:06,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 17:41:06,285 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:41:06,285 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 17:41:06,285 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:41:06,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 17:41:06,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 17:41:06,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 17:41:06,286 INFO L87 Difference]: Start difference. First operand 451 states and 511 transitions. Second operand 8 states. [2018-12-09 17:41:06,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:41:06,311 INFO L93 Difference]: Finished difference Result 888 states and 1032 transitions. [2018-12-09 17:41:06,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 17:41:06,312 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 109 [2018-12-09 17:41:06,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:41:06,314 INFO L225 Difference]: With dead ends: 888 [2018-12-09 17:41:06,314 INFO L226 Difference]: Without dead ends: 465 [2018-12-09 17:41:06,315 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 17:41:06,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2018-12-09 17:41:06,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 459. [2018-12-09 17:41:06,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 459 states. [2018-12-09 17:41:06,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 459 states and 519 transitions. [2018-12-09 17:41:06,330 INFO L78 Accepts]: Start accepts. Automaton has 459 states and 519 transitions. Word has length 109 [2018-12-09 17:41:06,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:41:06,331 INFO L480 AbstractCegarLoop]: Abstraction has 459 states and 519 transitions. [2018-12-09 17:41:06,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 17:41:06,331 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 519 transitions. [2018-12-09 17:41:06,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 17:41:06,332 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:41:06,333 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:41:06,333 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:41:06,333 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:41:06,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1996122599, now seen corresponding path program 1 times [2018-12-09 17:41:06,333 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:41:06,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:41:06,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:41:06,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:41:06,334 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:41:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:41:06,396 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 17:41:06,396 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 17:41:06,397 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 17:41:06,397 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:41:06,397 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 17:41:06,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 17:41:06,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 17:41:06,397 INFO L87 Difference]: Start difference. First operand 459 states and 519 transitions. Second operand 4 states. [2018-12-09 17:41:06,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:41:06,531 INFO L93 Difference]: Finished difference Result 1362 states and 1616 transitions. [2018-12-09 17:41:06,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 17:41:06,531 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 109 [2018-12-09 17:41:06,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:41:06,534 INFO L225 Difference]: With dead ends: 1362 [2018-12-09 17:41:06,534 INFO L226 Difference]: Without dead ends: 931 [2018-12-09 17:41:06,535 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 17:41:06,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2018-12-09 17:41:06,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 916. [2018-12-09 17:41:06,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 916 states. [2018-12-09 17:41:06,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 1065 transitions. [2018-12-09 17:41:06,570 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 1065 transitions. Word has length 109 [2018-12-09 17:41:06,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:41:06,570 INFO L480 AbstractCegarLoop]: Abstraction has 916 states and 1065 transitions. [2018-12-09 17:41:06,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 17:41:06,571 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1065 transitions. [2018-12-09 17:41:06,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 17:41:06,572 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:41:06,572 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:41:06,572 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:41:06,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:41:06,573 INFO L82 PathProgramCache]: Analyzing trace with hash -805538195, now seen corresponding path program 1 times [2018-12-09 17:41:06,573 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:41:06,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:41:06,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:41:06,574 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:41:06,574 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:41:06,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:41:06,681 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 17:41:06,681 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:41:06,681 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:41:06,681 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 114 with the following transitions: [2018-12-09 17:41:06,683 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [37], [38], [50], [54], [56], [57], [60], [75], [78], [79], [83], [84], [86], [95], [99], [103], [106], [111], [114], [119], [125], [128], [138], [139], [142], [144], [147], [149], [152], [155], [167], [168], [169], [170], [171], [173], [178], [181], [182], [184], [189], [191], [192], [197], [199], [200], [201], [207], [211], [251], [255], [258], [260], [263], [273], [278], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [302], [303], [306], [307], [308], [310], [311], [318], [319], [320], [321], [322], [323], [326], [330], [331], [332], [333], [334], [336], [337], [338], [339], [340], [341], [344], [345], [346], [352], [353], [354], [356], [357], [358], [359] [2018-12-09 17:41:06,707 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:41:06,707 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:41:06,984 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 17:41:06,985 INFO L272 AbstractInterpreter]: Visited 84 different actions 84 times. Never merged. Never widened. Performed 2895 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2895 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 135 variables. [2018-12-09 17:41:06,989 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:41:06,989 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 17:41:07,201 INFO L227 lantSequenceWeakener]: Weakened 82 states. On average, predicates are now at 96.64% of their original sizes. [2018-12-09 17:41:07,201 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 17:41:07,356 INFO L418 sIntCurrentIteration]: We unified 112 AI predicates to 112 [2018-12-09 17:41:07,356 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 17:41:07,357 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 17:41:07,357 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [22] imperfect sequences [13] total 33 [2018-12-09 17:41:07,357 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:41:07,358 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-12-09 17:41:07,358 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-12-09 17:41:07,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2018-12-09 17:41:07,358 INFO L87 Difference]: Start difference. First operand 916 states and 1065 transitions. Second operand 22 states. [2018-12-09 17:41:11,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:41:11,657 INFO L93 Difference]: Finished difference Result 2276 states and 2684 transitions. [2018-12-09 17:41:11,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-12-09 17:41:11,657 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 113 [2018-12-09 17:41:11,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:41:11,662 INFO L225 Difference]: With dead ends: 2276 [2018-12-09 17:41:11,662 INFO L226 Difference]: Without dead ends: 1388 [2018-12-09 17:41:11,664 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 125 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 235 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=1042, Unknown=0, NotChecked=0, Total=1190 [2018-12-09 17:41:11,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1388 states. [2018-12-09 17:41:11,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1388 to 1386. [2018-12-09 17:41:11,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1386 states. [2018-12-09 17:41:11,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1386 states to 1386 states and 1590 transitions. [2018-12-09 17:41:11,733 INFO L78 Accepts]: Start accepts. Automaton has 1386 states and 1590 transitions. Word has length 113 [2018-12-09 17:41:11,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:41:11,733 INFO L480 AbstractCegarLoop]: Abstraction has 1386 states and 1590 transitions. [2018-12-09 17:41:11,733 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-12-09 17:41:11,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1386 states and 1590 transitions. [2018-12-09 17:41:11,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 17:41:11,736 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:41:11,736 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:41:11,737 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:41:11,737 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:41:11,737 INFO L82 PathProgramCache]: Analyzing trace with hash 213120395, now seen corresponding path program 1 times [2018-12-09 17:41:11,737 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:41:11,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:41:11,738 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:41:11,738 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:41:11,738 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:41:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:41:11,788 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-09 17:41:11,788 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:41:11,789 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:41:11,789 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 188 with the following transitions: [2018-12-09 17:41:11,789 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [37], [38], [39], [41], [44], [48], [49], [50], [54], [56], [57], [60], [63], [65], [71], [75], [78], [79], [83], [84], [85], [86], [95], [99], [103], [106], [111], [114], [117], [119], [125], [128], [138], [139], [140], [141], [142], [144], [147], [149], [152], [155], [164], [166], [167], [168], [169], [170], [171], [173], [178], [181], [182], [184], [189], [191], [192], [197], [199], [200], [201], [204], [207], [211], [217], [246], [250], [251], [255], [258], [260], [263], [270], [273], [278], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [296], [297], [300], [301], [302], [303], [304], [305], [306], [307], [308], [310], [311], [312], [313], [316], [317], [318], [319], [320], [321], [322], [323], [326], [327], [330], [331], [332], [333], [334], [336], [337], [338], [339], [340], [341], [342], [343], [344], [345], [346], [347], [352], [353], [354], [356], [357], [358], [359], [362], [363] [2018-12-09 17:41:11,792 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:41:11,792 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:41:12,926 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 17:41:12,926 INFO L272 AbstractInterpreter]: Visited 147 different actions 796 times. Merged at 20 different actions 60 times. Never widened. Performed 36251 root evaluator evaluations with a maximum evaluation depth of 5. Performed 36251 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 10 fixpoints after 4 different actions. Largest state had 135 variables. [2018-12-09 17:41:12,928 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:41:12,928 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 17:41:13,165 INFO L227 lantSequenceWeakener]: Weakened 183 states. On average, predicates are now at 97.92% of their original sizes. [2018-12-09 17:41:13,165 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 17:41:13,284 INFO L418 sIntCurrentIteration]: We unified 186 AI predicates to 186 [2018-12-09 17:41:13,284 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 17:41:13,284 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 17:41:13,284 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [23] imperfect sequences [5] total 26 [2018-12-09 17:41:13,284 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:41:13,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-12-09 17:41:13,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-12-09 17:41:13,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=416, Unknown=0, NotChecked=0, Total=506 [2018-12-09 17:41:13,285 INFO L87 Difference]: Start difference. First operand 1386 states and 1590 transitions. Second operand 23 states. [2018-12-09 17:41:22,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:41:22,390 INFO L93 Difference]: Finished difference Result 4403 states and 5336 transitions. [2018-12-09 17:41:22,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-12-09 17:41:22,390 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 187 [2018-12-09 17:41:22,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:41:22,402 INFO L225 Difference]: With dead ends: 4403 [2018-12-09 17:41:22,403 INFO L226 Difference]: Without dead ends: 3344 [2018-12-09 17:41:22,407 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 229 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1276 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=650, Invalid=3640, Unknown=0, NotChecked=0, Total=4290 [2018-12-09 17:41:22,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3344 states. [2018-12-09 17:41:22,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3344 to 2606. [2018-12-09 17:41:22,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2606 states. [2018-12-09 17:41:22,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2606 states to 2606 states and 3019 transitions. [2018-12-09 17:41:22,517 INFO L78 Accepts]: Start accepts. Automaton has 2606 states and 3019 transitions. Word has length 187 [2018-12-09 17:41:22,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:41:22,517 INFO L480 AbstractCegarLoop]: Abstraction has 2606 states and 3019 transitions. [2018-12-09 17:41:22,517 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-12-09 17:41:22,517 INFO L276 IsEmpty]: Start isEmpty. Operand 2606 states and 3019 transitions. [2018-12-09 17:41:22,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-12-09 17:41:22,522 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:41:22,522 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:41:22,523 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:41:22,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:41:22,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1562738705, now seen corresponding path program 1 times [2018-12-09 17:41:22,523 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:41:22,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:41:22,523 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:41:22,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:41:22,524 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:41:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:41:22,643 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 54 proven. 18 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-12-09 17:41:22,643 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:41:22,643 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:41:22,643 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 261 with the following transitions: [2018-12-09 17:41:22,644 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [37], [38], [39], [41], [44], [48], [49], [50], [54], [56], [57], [60], [63], [65], [71], [75], [78], [79], [83], [84], [85], [86], [95], [99], [103], [106], [109], [111], [114], [117], [119], [125], [128], [138], [139], [140], [141], [142], [144], [147], [149], [152], [155], [158], [164], [166], [167], [168], [169], [170], [171], [173], [178], [181], [182], [184], [189], [191], [192], [197], [199], [200], [201], [204], [207], [211], [217], [246], [248], [250], [251], [255], [258], [260], [263], [270], [273], [278], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [296], [297], [300], [301], [302], [303], [304], [305], [306], [307], [308], [310], [311], [312], [313], [316], [317], [318], [319], [320], [321], [322], [323], [326], [327], [330], [331], [332], [333], [334], [336], [337], [338], [339], [340], [341], [342], [343], [344], [345], [346], [347], [352], [353], [354], [356], [357], [358], [359], [362], [363] [2018-12-09 17:41:22,647 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:41:22,647 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:41:24,034 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:41:24,034 INFO L272 AbstractInterpreter]: Visited 152 different actions 1484 times. Merged at 22 different actions 137 times. Widened at 1 different actions 1 times. Performed 48124 root evaluator evaluations with a maximum evaluation depth of 5. Performed 48124 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 40 fixpoints after 7 different actions. Largest state had 135 variables. [2018-12-09 17:41:24,036 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:41:24,037 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:41:24,037 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:41:24,037 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55a3c6d6-5798-4b38-98f2-64bbbf987fdb/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 17:41:24,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:41:24,043 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:41:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:41:24,149 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:41:24,220 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 145 proven. 32 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 17:41:24,221 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:41:24,509 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 54 proven. 18 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-12-09 17:41:24,534 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 17:41:24,534 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 5] total 11 [2018-12-09 17:41:24,534 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 17:41:24,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 17:41:24,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 17:41:24,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-09 17:41:24,535 INFO L87 Difference]: Start difference. First operand 2606 states and 3019 transitions. Second operand 9 states. [2018-12-09 17:41:25,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:41:25,075 INFO L93 Difference]: Finished difference Result 4716 states and 5733 transitions. [2018-12-09 17:41:25,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 17:41:25,075 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 260 [2018-12-09 17:41:25,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:41:25,081 INFO L225 Difference]: With dead ends: 4716 [2018-12-09 17:41:25,081 INFO L226 Difference]: Without dead ends: 2648 [2018-12-09 17:41:25,084 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 532 GetRequests, 517 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2018-12-09 17:41:25,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2648 states. [2018-12-09 17:41:25,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2648 to 2458. [2018-12-09 17:41:25,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2458 states. [2018-12-09 17:41:25,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2458 states to 2458 states and 2842 transitions. [2018-12-09 17:41:25,162 INFO L78 Accepts]: Start accepts. Automaton has 2458 states and 2842 transitions. Word has length 260 [2018-12-09 17:41:25,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:41:25,162 INFO L480 AbstractCegarLoop]: Abstraction has 2458 states and 2842 transitions. [2018-12-09 17:41:25,162 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 17:41:25,162 INFO L276 IsEmpty]: Start isEmpty. Operand 2458 states and 2842 transitions. [2018-12-09 17:41:25,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-12-09 17:41:25,166 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 17:41:25,166 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 17:41:25,166 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 17:41:25,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:41:25,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1417330921, now seen corresponding path program 1 times [2018-12-09 17:41:25,166 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 17:41:25,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:41:25,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:41:25,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 17:41:25,167 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 17:41:25,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:41:25,281 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 58 proven. 14 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-09 17:41:25,281 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:41:25,281 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 17:41:25,282 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 265 with the following transitions: [2018-12-09 17:41:25,282 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [37], [38], [39], [41], [44], [48], [49], [50], [54], [56], [57], [60], [63], [65], [71], [75], [78], [79], [83], [84], [85], [86], [95], [99], [103], [106], [109], [111], [114], [117], [119], [125], [128], [138], [139], [140], [141], [142], [144], [147], [149], [152], [155], [158], [164], [166], [167], [168], [169], [170], [171], [173], [178], [181], [182], [184], [189], [191], [192], [197], [199], [200], [201], [204], [207], [211], [217], [246], [250], [251], [255], [258], [260], [263], [270], [273], [278], [280], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [294], [296], [297], [300], [301], [302], [303], [304], [305], [306], [307], [308], [310], [311], [312], [313], [316], [317], [318], [319], [320], [321], [322], [323], [326], [327], [330], [331], [332], [333], [334], [336], [337], [338], [339], [340], [341], [342], [343], [344], [345], [346], [347], [352], [353], [354], [356], [357], [358], [359], [362], [363] [2018-12-09 17:41:25,283 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 17:41:25,283 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 17:41:26,897 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 17:41:26,897 INFO L272 AbstractInterpreter]: Visited 152 different actions 1672 times. Merged at 23 different actions 149 times. Widened at 1 different actions 1 times. Performed 54196 root evaluator evaluations with a maximum evaluation depth of 5. Performed 54196 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 41 fixpoints after 7 different actions. Largest state had 135 variables. [2018-12-09 17:41:26,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:41:26,901 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 17:41:26,901 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 17:41:26,901 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_55a3c6d6-5798-4b38-98f2-64bbbf987fdb/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 17:41:26,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 17:41:26,909 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 17:41:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:41:27,001 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 17:41:27,158 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 132 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-09 17:41:27,158 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 17:41:27,558 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 58 proven. 14 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-09 17:41:27,573 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 17:41:27,573 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-09 17:41:27,574 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 17:41:27,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 17:41:27,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 17:41:27,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 17:41:27,574 INFO L87 Difference]: Start difference. First operand 2458 states and 2842 transitions. Second operand 8 states. [2018-12-09 17:41:27,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 17:41:27,725 INFO L93 Difference]: Finished difference Result 3556 states and 4132 transitions. [2018-12-09 17:41:27,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 17:41:27,725 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 264 [2018-12-09 17:41:27,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 17:41:27,726 INFO L225 Difference]: With dead ends: 3556 [2018-12-09 17:41:27,726 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 17:41:27,730 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 512 SyntacticMatches, 6 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 17:41:27,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 17:41:27,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 17:41:27,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 17:41:27,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 17:41:27,730 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 264 [2018-12-09 17:41:27,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 17:41:27,731 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 17:41:27,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 17:41:27,731 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 17:41:27,731 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 17:41:27,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 17:41:27,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,787 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,946 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,965 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:27,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,084 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,097 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,176 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 17:41:28,448 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 23 [2018-12-09 17:41:28,973 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 35 [2018-12-09 17:41:29,261 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 42 [2018-12-09 17:41:29,492 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 33 [2018-12-09 17:41:29,924 WARN L180 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 47 [2018-12-09 17:41:30,057 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 28 [2018-12-09 17:41:30,834 WARN L180 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 42 [2018-12-09 17:41:31,445 WARN L180 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 35 [2018-12-09 17:41:31,691 WARN L180 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 24 [2018-12-09 17:41:31,934 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 25 [2018-12-09 17:41:32,355 WARN L180 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 30 [2018-12-09 17:41:32,811 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 41 [2018-12-09 17:41:32,933 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 25 [2018-12-09 17:41:33,348 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 22 [2018-12-09 17:41:33,756 WARN L180 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 50 [2018-12-09 17:41:34,090 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 35 [2018-12-09 17:41:34,174 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 688 694) the Hoare annotation is: true [2018-12-09 17:41:34,174 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 688 694) no Hoare annotation was computed. [2018-12-09 17:41:34,174 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 695 703) no Hoare annotation was computed. [2018-12-09 17:41:34,174 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 695 703) the Hoare annotation is: true [2018-12-09 17:41:34,174 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 695 703) no Hoare annotation was computed. [2018-12-09 17:41:34,174 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 488 510) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:41:34,174 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 488 510) no Hoare annotation was computed. [2018-12-09 17:41:34,174 INFO L444 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methAndRunningLastTime~0 0) (= main_~tmp~3 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 17:41:34,174 INFO L444 ceAbstractionStarter]: At program point L500-1(line 500) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methAndRunningLastTime~0 0) (= main_~tmp~3 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 17:41:34,174 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 505) no Hoare annotation was computed. [2018-12-09 17:41:34,174 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 498 505) no Hoare annotation was computed. [2018-12-09 17:41:34,174 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-09 17:41:34,174 INFO L444 ceAbstractionStarter]: At program point L495(line 495) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:41:34,174 INFO L444 ceAbstractionStarter]: At program point L494(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:41:34,174 INFO L444 ceAbstractionStarter]: At program point L494-1(line 494) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:41:34,174 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 488 510) no Hoare annotation was computed. [2018-12-09 17:41:34,175 INFO L444 ceAbstractionStarter]: At program point L855(line 855) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-12-09 17:41:34,175 INFO L448 ceAbstractionStarter]: For program point L855-1(lines 836 860) no Hoare annotation was computed. [2018-12-09 17:41:34,175 INFO L444 ceAbstractionStarter]: At program point L850(line 850) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (or .cse1 .cse3 .cse4))))) [2018-12-09 17:41:34,175 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 836 860) the Hoare annotation is: (let ((.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) (not .cse4) .cse1 .cse0 .cse2) (or .cse1 (or .cse0 .cse3 .cse4)))) [2018-12-09 17:41:34,175 INFO L444 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (or .cse1 .cse3 .cse4))))) [2018-12-09 17:41:34,175 INFO L448 ceAbstractionStarter]: For program point L844(lines 844 852) no Hoare annotation was computed. [2018-12-09 17:41:34,175 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 836 860) no Hoare annotation was computed. [2018-12-09 17:41:34,175 INFO L444 ceAbstractionStarter]: At program point L842(line 842) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (or .cse1 .cse3 .cse4))))) [2018-12-09 17:41:34,175 INFO L448 ceAbstractionStarter]: For program point L842-1(line 842) no Hoare annotation was computed. [2018-12-09 17:41:34,175 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 857) no Hoare annotation was computed. [2018-12-09 17:41:34,175 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 931 939) no Hoare annotation was computed. [2018-12-09 17:41:34,175 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 931 939) the Hoare annotation is: true [2018-12-09 17:41:34,175 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 931 939) no Hoare annotation was computed. [2018-12-09 17:41:34,175 INFO L448 ceAbstractionStarter]: For program point L1004(lines 1004 1008) no Hoare annotation was computed. [2018-12-09 17:41:34,175 INFO L451 ceAbstractionStarter]: At program point L1002(line 1002) the Hoare annotation is: true [2018-12-09 17:41:34,175 INFO L448 ceAbstractionStarter]: For program point L1004-2(lines 1004 1008) no Hoare annotation was computed. [2018-12-09 17:41:34,175 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 995 1013) the Hoare annotation is: true [2018-12-09 17:41:34,175 INFO L448 ceAbstractionStarter]: For program point L1002-1(line 1002) no Hoare annotation was computed. [2018-12-09 17:41:34,175 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 995 1013) no Hoare annotation was computed. [2018-12-09 17:41:34,176 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 995 1013) no Hoare annotation was computed. [2018-12-09 17:41:34,176 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 681 687) no Hoare annotation was computed. [2018-12-09 17:41:34,176 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 681 687) the Hoare annotation is: true [2018-12-09 17:41:34,176 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 474 484) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:41:34,176 INFO L444 ceAbstractionStarter]: At program point L479(line 479) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:41:34,176 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 474 484) no Hoare annotation was computed. [2018-12-09 17:41:34,176 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 474 484) no Hoare annotation was computed. [2018-12-09 17:41:34,176 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 920 930) the Hoare annotation is: true [2018-12-09 17:41:34,176 INFO L451 ceAbstractionStarter]: At program point L925(line 925) the Hoare annotation is: true [2018-12-09 17:41:34,176 INFO L448 ceAbstractionStarter]: For program point L925-1(line 925) no Hoare annotation was computed. [2018-12-09 17:41:34,176 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 920 930) no Hoare annotation was computed. [2018-12-09 17:41:34,176 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 920 930) no Hoare annotation was computed. [2018-12-09 17:41:34,176 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 912 919) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or .cse0 (or .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2)))) [2018-12-09 17:41:34,176 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 912 919) no Hoare annotation was computed. [2018-12-09 17:41:34,176 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 912 919) no Hoare annotation was computed. [2018-12-09 17:41:34,176 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 862 886) no Hoare annotation was computed. [2018-12-09 17:41:34,176 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 862 886) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= 0 |old(~pumpRunning~0)|)) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse0 .cse5) (or .cse1 (or .cse0 .cse3 .cse5)) (or .cse4 .cse1 .cse0 .cse2))) [2018-12-09 17:41:34,176 INFO L444 ceAbstractionStarter]: At program point L881(line 881) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse1 .cse4 .cse5 .cse3) (or .cse0 .cse4 .cse1 .cse5))) [2018-12-09 17:41:34,176 INFO L448 ceAbstractionStarter]: For program point L881-1(lines 862 886) no Hoare annotation was computed. [2018-12-09 17:41:34,177 INFO L444 ceAbstractionStarter]: At program point L876(line 876) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or (not .cse2) .cse1 .cse3 .cse4) (or .cse0 .cse1 .cse3) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (or .cse1 .cse4 .cse2)))) [2018-12-09 17:41:34,177 INFO L444 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse6)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~8) .cse5) .cse4 .cse1 .cse6) (or .cse5 (or .cse1 .cse3 .cse6))))) [2018-12-09 17:41:34,177 INFO L448 ceAbstractionStarter]: For program point L870(lines 870 878) no Hoare annotation was computed. [2018-12-09 17:41:34,177 INFO L444 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (let ((.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse6)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse4 .cse5 .cse1 .cse6) (or .cse5 (or .cse1 .cse3 .cse6))))) [2018-12-09 17:41:34,177 INFO L448 ceAbstractionStarter]: For program point L868-1(line 868) no Hoare annotation was computed. [2018-12-09 17:41:34,177 INFO L448 ceAbstractionStarter]: For program point L866(lines 866 883) no Hoare annotation was computed. [2018-12-09 17:41:34,177 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 656) no Hoare annotation was computed. [2018-12-09 17:41:34,177 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 646 659) no Hoare annotation was computed. [2018-12-09 17:41:34,177 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 646 659) the Hoare annotation is: true [2018-12-09 17:41:34,177 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 646 659) no Hoare annotation was computed. [2018-12-09 17:41:34,177 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 802 808) no Hoare annotation was computed. [2018-12-09 17:41:34,177 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 802 808) the Hoare annotation is: true [2018-12-09 17:41:34,177 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 706 771) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:41:34,177 INFO L444 ceAbstractionStarter]: At program point L764(lines 715 765) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 17:41:34,177 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 706 771) no Hoare annotation was computed. [2018-12-09 17:41:34,177 INFO L448 ceAbstractionStarter]: For program point L754(lines 754 758) no Hoare annotation was computed. [2018-12-09 17:41:34,177 INFO L444 ceAbstractionStarter]: At program point L754-2(lines 746 759) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0))) (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not .cse6)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse4 (= ~methaneLevelCritical~0 1) .cse1 .cse3) (and .cse4 .cse0 .cse1 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and (and (and .cse1 .cse2 .cse3) (<= 2 ~waterLevel~0)) .cse5) (and .cse4 .cse5 .cse6 .cse1 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-12-09 17:41:34,177 INFO L448 ceAbstractionStarter]: For program point L717(lines 716 763) no Hoare annotation was computed. [2018-12-09 17:41:34,178 INFO L444 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0))) (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (not .cse6)) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse5 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (and .cse4 (= ~methaneLevelCritical~0 1) .cse1 .cse3) (and .cse4 .cse0 .cse1 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and (and (and .cse1 .cse2 .cse3) (<= 2 ~waterLevel~0)) .cse5) (and .cse4 .cse5 .cse6 .cse1 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-12-09 17:41:34,178 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 759) no Hoare annotation was computed. [2018-12-09 17:41:34,178 INFO L444 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (and (and .cse1 (not .cse3) .cse2) (<= 2 ~waterLevel~0)) .cse4) (and .cse0 .cse4 .cse3 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 17:41:34,178 INFO L448 ceAbstractionStarter]: For program point L736(lines 736 742) no Hoare annotation was computed. [2018-12-09 17:41:34,178 INFO L448 ceAbstractionStarter]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2018-12-09 17:41:34,178 INFO L444 ceAbstractionStarter]: At program point L761(lines 716 763) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and (and (and .cse1 (not .cse3) .cse2) (<= 2 ~waterLevel~0)) .cse4) (and .cse0 .cse4 .cse3 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 17:41:34,178 INFO L444 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse4 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and (and (and .cse1 (not .cse3) .cse2) (<= 2 ~waterLevel~0)) .cse4) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse3 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 17:41:34,178 INFO L448 ceAbstractionStarter]: For program point L726(lines 726 732) no Hoare annotation was computed. [2018-12-09 17:41:34,178 INFO L448 ceAbstractionStarter]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2018-12-09 17:41:34,178 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 722) no Hoare annotation was computed. [2018-12-09 17:41:34,178 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 706 771) no Hoare annotation was computed. [2018-12-09 17:41:34,178 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 887 894) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (or .cse1 (not (= ~methaneLevelCritical~0 0))) .cse2 .cse3 .cse4) (or (< ~methaneLevelCritical~0 1) .cse1 .cse2 .cse3 .cse0 .cse4))) [2018-12-09 17:41:34,178 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 887 894) no Hoare annotation was computed. [2018-12-09 17:41:34,178 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 887 894) no Hoare annotation was computed. [2018-12-09 17:41:34,178 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 660 668) no Hoare annotation was computed. [2018-12-09 17:41:34,178 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 660 668) the Hoare annotation is: true [2018-12-09 17:41:34,178 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 660 668) no Hoare annotation was computed. [2018-12-09 17:41:34,178 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 551) no Hoare annotation was computed. [2018-12-09 17:41:34,178 INFO L448 ceAbstractionStarter]: For program point L544(lines 544 554) no Hoare annotation was computed. [2018-12-09 17:41:34,179 INFO L444 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: (let ((.cse0 (= ~methAndRunningLastTime~0 0)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (< ~methaneLevelCritical~0 1) .cse0 (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0 .cse1 .cse2) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 17:41:34,179 INFO L448 ceAbstractionStarter]: For program point L542-1(line 542) no Hoare annotation was computed. [2018-12-09 17:41:34,179 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 557) no Hoare annotation was computed. [2018-12-09 17:41:34,179 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 532 560) no Hoare annotation was computed. [2018-12-09 17:41:34,179 INFO L444 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: (let ((.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (< ~waterLevel~0 2)) (.cse7 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse2 .cse3 .cse1 .cse4) (or .cse6 .cse1 .cse2 .cse7 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse4 (not (= ~waterLevel~0 1)) .cse5) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse4) (or .cse1 .cse2 .cse7 .cse3 .cse4 .cse5))) [2018-12-09 17:41:34,179 INFO L448 ceAbstractionStarter]: For program point L538-1(line 538) no Hoare annotation was computed. [2018-12-09 17:41:34,179 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 532 560) the Hoare annotation is: (let ((.cse6 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (< ~waterLevel~0 2)) (.cse7 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse0 .cse2 .cse3 .cse1 .cse4) (or .cse6 .cse1 .cse2 .cse7 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse4 (not (= ~waterLevel~0 1)) .cse5) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse4) (or .cse1 .cse2 .cse7 .cse3 .cse4 .cse5))) [2018-12-09 17:41:34,179 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 532 560) no Hoare annotation was computed. [2018-12-09 17:41:34,179 INFO L444 ceAbstractionStarter]: At program point L547(line 547) the Hoare annotation is: (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (or (not (= 0 ~pumpRunning~0)) .cse1)) (or .cse0 (< ~waterLevel~0 2) (not (= 1 ~pumpRunning~0)) .cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 17:41:34,179 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 524 531) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~methAndRunningLastTime~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 17:41:34,179 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 524 531) no Hoare annotation was computed. [2018-12-09 17:41:34,179 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 524 531) no Hoare annotation was computed. [2018-12-09 17:41:34,179 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 17:41:34,179 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 17:41:34,179 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 17:41:34,179 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 895 911) no Hoare annotation was computed. [2018-12-09 17:41:34,179 INFO L444 ceAbstractionStarter]: At program point L906(line 906) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse2 .cse3 .cse1 .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3 .cse4))) [2018-12-09 17:41:34,179 INFO L448 ceAbstractionStarter]: For program point L906-1(lines 895 911) no Hoare annotation was computed. [2018-12-09 17:41:34,180 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 895 911) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse2 .cse3 .cse1 .cse4))) [2018-12-09 17:41:34,180 INFO L448 ceAbstractionStarter]: For program point L902(lines 902 908) no Hoare annotation was computed. [2018-12-09 17:41:34,180 INFO L444 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse2 .cse3 .cse1 .cse4))) [2018-12-09 17:41:34,180 INFO L448 ceAbstractionStarter]: For program point L900-1(line 900) no Hoare annotation was computed. [2018-12-09 17:41:34,180 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 976 994) no Hoare annotation was computed. [2018-12-09 17:41:34,180 INFO L448 ceAbstractionStarter]: For program point L985(lines 985 989) no Hoare annotation was computed. [2018-12-09 17:41:34,180 INFO L451 ceAbstractionStarter]: At program point L983(line 983) the Hoare annotation is: true [2018-12-09 17:41:34,180 INFO L448 ceAbstractionStarter]: For program point L985-2(lines 985 989) no Hoare annotation was computed. [2018-12-09 17:41:34,180 INFO L448 ceAbstractionStarter]: For program point L983-1(line 983) no Hoare annotation was computed. [2018-12-09 17:41:34,180 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 976 994) the Hoare annotation is: true [2018-12-09 17:41:34,180 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 976 994) no Hoare annotation was computed. [2018-12-09 17:41:34,180 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 593 604) the Hoare annotation is: (let ((.cse8 (= 0 ~pumpRunning~0))) (let ((.cse5 (< |old(~methaneLevelCritical~0)| 1)) (.cse1 (not .cse8)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse7 (< ~waterLevel~0 2)) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (= 0 ~methaneLevelCritical~0) (or .cse3 .cse4 (not (= |old(~methaneLevelCritical~0)| 0)))) (or .cse5 .cse6 .cse7 (or .cse3 .cse8)) (or .cse5 .cse1 .cse6 .cse3 .cse4) (or .cse2 .cse7 (or .cse0 .cse3 .cse4))))) [2018-12-09 17:41:34,180 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 593 604) no Hoare annotation was computed. [2018-12-09 17:41:34,180 INFO L448 ceAbstractionStarter]: For program point L597-1(lines 593 604) no Hoare annotation was computed. [2018-12-09 17:41:34,180 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 605 613) the Hoare annotation is: true [2018-12-09 17:41:34,180 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 605 613) no Hoare annotation was computed. [2018-12-09 17:41:34,180 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 605 613) no Hoare annotation was computed. [2018-12-09 17:41:34,180 INFO L444 ceAbstractionStarter]: At program point L791(line 791) the Hoare annotation is: (let ((.cse10 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse5 (not (= ~systemActive~0 1))) (.cse12 (not (= ~methaneLevelCritical~0 0))) (.cse11 (= ~methAndRunningLastTime~0 0)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (< ~methaneLevelCritical~0 1)) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse8 (not .cse6)) (.cse9 (and .cse11 (= |old(~waterLevel~0)| ~waterLevel~0) .cse7)) (.cse2 (or .cse5 .cse12 .cse6)) (.cse1 (< 0 |old(~waterLevel~0)|)) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse13 (or (not (= ~methaneLevelCritical~0 1)) .cse5 .cse10 .cse6))) (and (or .cse0 (or .cse1 .cse2)) (or .cse3 .cse4 (or .cse5 .cse6) .cse7) (or .cse3 .cse8 .cse9 .cse5 .cse10) (or .cse3 (or .cse5 .cse10) .cse4 .cse11) (or .cse8 .cse5 .cse9 .cse10 .cse12) (or .cse7 .cse2) (or .cse13 (and .cse11 .cse7)) (or .cse1 .cse0 .cse13)))) [2018-12-09 17:41:34,180 INFO L444 ceAbstractionStarter]: At program point L789(lines 789 795) the Hoare annotation is: (let ((.cse14 (not (= ~methaneLevelCritical~0 1))) (.cse9 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse15 (= ~methAndRunningLastTime~0 0)) (.cse16 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (not (= ~systemActive~0 1))) (.cse10 (not (= ~methaneLevelCritical~0 0))) (.cse13 (= 0 |old(~pumpRunning~0)|))) (let ((.cse2 (or .cse7 .cse10 .cse13)) (.cse1 (< 0 |old(~waterLevel~0)|)) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (< ~methaneLevelCritical~0 1)) (.cse11 (and .cse15 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse16)) (.cse8 (and .cse15 .cse16 .cse4)) (.cse6 (not .cse13)) (.cse3 (= ~pumpRunning~0 0)) (.cse5 (or .cse14 .cse7 .cse9 .cse13))) (and (or .cse0 (or .cse1 .cse2)) (or .cse3 .cse4 .cse2) (or .cse1 .cse5 .cse0) (or .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (or .cse12 .cse3 (< |old(~waterLevel~0)| 2) (or .cse7 .cse13)) (or .cse12 .cse6 .cse11 .cse8 .cse7 .cse9) (or .cse4 .cse14 .cse6 .cse7 .cse9) (or (and .cse15 .cse3) .cse5)))) [2018-12-09 17:41:34,181 INFO L444 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: (let ((.cse7 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse7)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse8 (= ~methAndRunningLastTime~0 0)) (.cse4 (< ~methaneLevelCritical~0 1)) (.cse9 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or (and .cse5 .cse6) (or .cse1 .cse3 .cse7)) (or .cse4 (or .cse1 .cse2) .cse8 .cse9) (or (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2) (and .cse8 .cse5 .cse6)) (or .cse4 .cse9 (or .cse1 .cse7) (and .cse6 .cse5))))) [2018-12-09 17:41:34,181 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 778 801) the Hoare annotation is: (let ((.cse9 (= ~methAndRunningLastTime~0 0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse8 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (< ~methaneLevelCritical~0 1)) (.cse10 (< |old(~waterLevel~0)| 2)) (.cse4 (not .cse8)) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (and .cse9 .cse5 .cse6)) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2)) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or (and .cse5 .cse6) (or .cse1 .cse7 .cse8)) (or .cse3 (or .cse1 .cse2) .cse9 .cse10) (or .cse3 (and .cse6 .cse5) .cse10 (or .cse1 .cse8)) (or .cse4 .cse1 .cse0 .cse2 .cse7)))) [2018-12-09 17:41:34,181 INFO L448 ceAbstractionStarter]: For program point L782(lines 781 800) no Hoare annotation was computed. [2018-12-09 17:41:34,181 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 778 801) no Hoare annotation was computed. [2018-12-09 17:41:34,181 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 778 801) no Hoare annotation was computed. [2018-12-09 17:41:34,181 INFO L451 ceAbstractionStarter]: At program point L418-2(lines 418 432) the Hoare annotation is: true [2018-12-09 17:41:34,181 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 408 437) no Hoare annotation was computed. [2018-12-09 17:41:34,181 INFO L451 ceAbstractionStarter]: At program point L414(line 414) the Hoare annotation is: true [2018-12-09 17:41:34,181 INFO L448 ceAbstractionStarter]: For program point L414-1(line 414) no Hoare annotation was computed. [2018-12-09 17:41:34,181 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 408 437) the Hoare annotation is: true [2018-12-09 17:41:34,181 INFO L451 ceAbstractionStarter]: At program point L433(lines 408 437) the Hoare annotation is: true [2018-12-09 17:41:34,181 INFO L448 ceAbstractionStarter]: For program point L429(line 429) no Hoare annotation was computed. [2018-12-09 17:41:34,181 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2018-12-09 17:41:34,181 INFO L451 ceAbstractionStarter]: At program point L422-1(lines 422 426) the Hoare annotation is: true [2018-12-09 17:41:34,181 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-09 17:41:34,181 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 569 580) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0)) .cse2) (or (< ~methaneLevelCritical~0 1) (< |old(~waterLevel~0)| 2) (or .cse0 .cse2) .cse1) (or (or (or (= ~pumpRunning~0 0) (not (= ~methaneLevelCritical~0 0))) .cse0) .cse1))) [2018-12-09 17:41:34,181 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 569 580) no Hoare annotation was computed. [2018-12-09 17:41:34,181 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 569 580) no Hoare annotation was computed. [2018-12-09 17:41:34,181 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 465 471) no Hoare annotation was computed. [2018-12-09 17:41:34,182 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 465 471) the Hoare annotation is: true [2018-12-09 17:41:34,182 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 17:41:34,182 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-12-09 17:41:34,182 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 17:41:34,182 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 17:41:34,182 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 810 834) the Hoare annotation is: (let ((.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) (not .cse4) .cse1 .cse0 .cse2) (or .cse1 (or .cse0 .cse3 .cse4)))) [2018-12-09 17:41:34,182 INFO L444 ceAbstractionStarter]: At program point L829(line 829) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not .cse4)) (.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (or .cse1 .cse3 .cse4))))) [2018-12-09 17:41:34,182 INFO L448 ceAbstractionStarter]: For program point L829-1(lines 810 834) no Hoare annotation was computed. [2018-12-09 17:41:34,182 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 810 834) no Hoare annotation was computed. [2018-12-09 17:41:34,182 INFO L444 ceAbstractionStarter]: At program point L824(line 824) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse4 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse0 .cse3 .cse4) (or .cse4 .cse0 .cse3 .cse1))) [2018-12-09 17:41:34,182 INFO L444 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse0 .cse3 .cse4))) [2018-12-09 17:41:34,182 INFO L448 ceAbstractionStarter]: For program point L818(lines 818 826) no Hoare annotation was computed. [2018-12-09 17:41:34,182 INFO L444 ceAbstractionStarter]: At program point L816(line 816) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4 .cse1) (or (< ~methaneLevelCritical~0 1) (not .cse2) .cse3 .cse0 .cse4))) [2018-12-09 17:41:34,182 INFO L448 ceAbstractionStarter]: For program point L816-1(line 816) no Hoare annotation was computed. [2018-12-09 17:41:34,182 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 831) no Hoare annotation was computed. [2018-12-09 17:41:34,182 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 1014 1021) no Hoare annotation was computed. [2018-12-09 17:41:34,182 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 1014 1021) the Hoare annotation is: (let ((.cse2 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (< ~methaneLevelCritical~0 1)) (.cse0 (= ~systemActive~0 1)) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse4 (= 0 ~pumpRunning~0))) (and (or .cse0 (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2)) (or .cse0 (or .cse1 .cse3 .cse4)) (or .cse5 (not .cse4) .cse0 .cse1 .cse2) (or .cse1 .cse0 .cse2 .cse3) (or .cse5 .cse0 (< ~waterLevel~0 2) (or .cse1 .cse4)))) [2018-12-09 17:41:34,182 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 1014 1021) no Hoare annotation was computed. [2018-12-09 17:41:34,182 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 581 592) no Hoare annotation was computed. [2018-12-09 17:41:34,183 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 581 592) no Hoare annotation was computed. [2018-12-09 17:41:34,183 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 581 592) the Hoare annotation is: (let ((.cse4 (not (= ~methAndRunningLastTime~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 (or (not .cse2) .cse3 .cse4)) (or (or (or .cse3 (not (= ~methaneLevelCritical~0 0))) .cse4) .cse1) (or .cse0 .cse1 (or .cse3 .cse2) (< |old(~waterLevel~0)| 2)))) [2018-12-09 17:41:34,183 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 512 519) no Hoare annotation was computed. [2018-12-09 17:41:34,183 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2018-12-09 17:41:34,183 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 512 519) the Hoare annotation is: true [2018-12-09 17:41:34,183 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 512 519) no Hoare annotation was computed. [2018-12-09 17:41:34,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:41:34 BoogieIcfgContainer [2018-12-09 17:41:34,191 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 17:41:34,191 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 17:41:34,191 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 17:41:34,191 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 17:41:34,192 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:41:04" (3/4) ... [2018-12-09 17:41:34,194 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 17:41:34,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 17:41:34,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 17:41:34,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 17:41:34,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-09 17:41:34,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 17:41:34,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 17:41:34,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 17:41:34,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 17:41:34,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 17:41:34,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 17:41:34,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 17:41:34,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 17:41:34,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 17:41:34,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 17:41:34,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-09 17:41:34,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 17:41:34,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-09 17:41:34,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-09 17:41:34,198 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 17:41:34,199 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 17:41:34,199 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 17:41:34,199 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 17:41:34,199 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 17:41:34,199 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 17:41:34,199 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 17:41:34,199 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 17:41:34,199 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 17:41:34,199 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 17:41:34,199 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 17:41:34,199 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 17:41:34,199 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 17:41:34,203 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-12-09 17:41:34,204 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 17:41:34,204 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-09 17:41:34,204 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 17:41:34,204 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 17:41:34,205 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 17:41:34,222 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((((systemActive == 1 && !(pumpRunning == 0)) && splverifierCounter == 0) && 2 <= waterLevel) && 1 <= methaneLevelCritical)) || ((((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 17:41:34,222 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 17:41:34,246 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_55a3c6d6-5798-4b38-98f2-64bbbf987fdb/bin-2019/utaipan/witness.graphml [2018-12-09 17:41:34,246 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 17:41:34,247 INFO L168 Benchmark]: Toolchain (without parser) took 30477.33 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 953.5 MB in the beginning and 881.5 MB in the end (delta: 72.0 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-12-09 17:41:34,247 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:41:34,247 INFO L168 Benchmark]: CACSL2BoogieTranslator took 270.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -174.9 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2018-12-09 17:41:34,247 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:41:34,247 INFO L168 Benchmark]: Boogie Preprocessor took 22.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 17:41:34,248 INFO L168 Benchmark]: RCFGBuilder took 373.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 60.5 MB). Peak memory consumption was 60.5 MB. Max. memory is 11.5 GB. [2018-12-09 17:41:34,248 INFO L168 Benchmark]: TraceAbstraction took 29734.29 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 1.1 GB in the beginning and 881.5 MB in the end (delta: 186.3 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-12-09 17:41:34,248 INFO L168 Benchmark]: Witness Printer took 55.05 ms. Allocated memory is still 2.4 GB. Free memory was 881.5 MB in the beginning and 881.5 MB in the end (delta: 52.6 kB). Peak memory consumption was 52.6 kB. Max. memory is 11.5 GB. [2018-12-09 17:41:34,249 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 270.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 149.9 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -174.9 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.34 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 373.30 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 60.5 MB). Peak memory consumption was 60.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 29734.29 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 1.1 GB in the beginning and 881.5 MB in the end (delta: 186.3 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * Witness Printer took 55.05 ms. Allocated memory is still 2.4 GB. Free memory was 881.5 MB in the beginning and 881.5 MB in the end (delta: 52.6 kB). Peak memory consumption was 52.6 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 516]: 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: 418]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: (((((((((methAndRunningLastTime == 0 && 0 == methaneLevelCritical) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((((systemActive == 1 && !(pumpRunning == 0)) && splverifierCounter == 0) && 2 <= waterLevel) && 1 <= methaneLevelCritical)) || ((((methAndRunningLastTime == 0 && 1 <= methaneLevelCritical) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 172 locations, 1 error locations. SAFE Result, 29.6s OverallTime, 13 OverallIterations, 6 TraceHistogramMax, 15.3s AutomataDifference, 0.0s DeadEndRemovalTime, 6.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 3326 SDtfs, 3391 SDslu, 12090 SDs, 0 SdLazy, 5813 SolverSat, 2058 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.0s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1523 GetRequests, 1334 SyntacticMatches, 11 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1644 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2606occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.4s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.9964021931660662 AbsIntWeakeningRatio, 0.8657718120805369 AbsIntAvgWeakeningVarsNumRemoved, 96.80872483221476 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 13 MinimizatonAttempts, 1012 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 72 LocationsWithAnnotation, 4274 PreInvPairs, 4507 NumberOfFragments, 3261 HoareAnnotationTreeSize, 4274 FomulaSimplifications, 20803 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 72 FomulaSimplificationsInter, 36728 FormulaSimplificationTreeSizeReductionInter, 5.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 2092 NumberOfCodeBlocks, 2092 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2599 ConstructedInterpolants, 0 QuantifiedInterpolants, 752759 SizeOfPredicates, 10 NumberOfNonLiveVariables, 2329 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 17 InterpolantComputations, 10 PerfectInterpolantSequences, 1093/1197 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...