./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product63_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_dc44d4e2-d8c6-42e9-850a-4735b1f899d7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_dc44d4e2-d8c6-42e9-850a-4735b1f899d7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_dc44d4e2-d8c6-42e9-850a-4735b1f899d7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_dc44d4e2-d8c6-42e9-850a-4735b1f899d7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product63_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_dc44d4e2-d8c6-42e9-850a-4735b1f899d7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_dc44d4e2-d8c6-42e9-850a-4735b1f899d7/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 06aae21f289bee6dc7cb083e66e9be5f9a234275 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 19:09:27,601 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 19:09:27,602 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 19:09:27,610 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 19:09:27,610 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 19:09:27,610 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 19:09:27,611 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 19:09:27,612 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 19:09:27,613 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 19:09:27,614 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 19:09:27,615 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 19:09:27,615 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 19:09:27,616 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 19:09:27,616 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 19:09:27,617 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 19:09:27,617 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 19:09:27,618 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 19:09:27,619 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 19:09:27,621 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 19:09:27,622 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 19:09:27,622 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 19:09:27,623 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 19:09:27,625 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 19:09:27,625 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 19:09:27,625 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 19:09:27,626 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 19:09:27,626 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 19:09:27,627 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 19:09:27,627 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 19:09:27,627 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 19:09:27,628 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 19:09:27,628 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 19:09:27,628 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 19:09:27,628 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 19:09:27,628 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 19:09:27,629 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 19:09:27,629 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_dc44d4e2-d8c6-42e9-850a-4735b1f899d7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 19:09:27,636 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 19:09:27,636 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 19:09:27,637 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 19:09:27,637 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 19:09:27,637 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 19:09:27,637 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 19:09:27,637 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 19:09:27,637 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 19:09:27,637 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 19:09:27,637 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 19:09:27,637 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 19:09:27,637 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 19:09:27,637 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 19:09:27,638 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 19:09:27,638 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 19:09:27,638 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 19:09:27,638 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 19:09:27,638 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 19:09:27,638 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 19:09:27,638 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 19:09:27,638 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 19:09:27,638 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 19:09:27,639 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 19:09:27,639 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 19:09:27,639 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 19:09:27,639 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 19:09:27,639 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 19:09:27,639 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 19:09:27,639 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:09:27,639 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 19:09:27,639 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 19:09:27,640 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 19:09:27,640 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 19:09:27,640 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 19:09:27,640 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 19:09:27,640 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 19:09:27,640 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_dc44d4e2-d8c6-42e9-850a-4735b1f899d7/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 -> 06aae21f289bee6dc7cb083e66e9be5f9a234275 [2018-12-09 19:09:27,657 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 19:09:27,663 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 19:09:27,665 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 19:09:27,666 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 19:09:27,667 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 19:09:27,667 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_dc44d4e2-d8c6-42e9-850a-4735b1f899d7/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product63_true-unreach-call_false-termination.cil.c [2018-12-09 19:09:27,703 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dc44d4e2-d8c6-42e9-850a-4735b1f899d7/bin-2019/utaipan/data/95ff1bddc/e01bf9cc138d459dad9a55d032fa0a72/FLAGf3a6421a9 [2018-12-09 19:09:28,169 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 19:09:28,170 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_dc44d4e2-d8c6-42e9-850a-4735b1f899d7/sv-benchmarks/c/product-lines/minepump_spec1_product63_true-unreach-call_false-termination.cil.c [2018-12-09 19:09:28,176 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_dc44d4e2-d8c6-42e9-850a-4735b1f899d7/bin-2019/utaipan/data/95ff1bddc/e01bf9cc138d459dad9a55d032fa0a72/FLAGf3a6421a9 [2018-12-09 19:09:28,184 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_dc44d4e2-d8c6-42e9-850a-4735b1f899d7/bin-2019/utaipan/data/95ff1bddc/e01bf9cc138d459dad9a55d032fa0a72 [2018-12-09 19:09:28,186 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 19:09:28,187 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 19:09:28,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 19:09:28,187 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 19:09:28,189 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 19:09:28,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:09:28" (1/1) ... [2018-12-09 19:09:28,191 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:28, skipping insertion in model container [2018-12-09 19:09:28,191 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:09:28" (1/1) ... [2018-12-09 19:09:28,197 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 19:09:28,221 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 19:09:28,384 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:09:28,426 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 19:09:28,470 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 19:09:28,486 INFO L195 MainTranslator]: Completed translation [2018-12-09 19:09:28,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:28 WrapperNode [2018-12-09 19:09:28,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 19:09:28,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 19:09:28,487 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 19:09:28,487 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 19:09:28,492 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:28" (1/1) ... [2018-12-09 19:09:28,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:28" (1/1) ... [2018-12-09 19:09:28,507 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 19:09:28,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 19:09:28,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 19:09:28,507 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 19:09:28,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:28" (1/1) ... [2018-12-09 19:09:28,513 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:28" (1/1) ... [2018-12-09 19:09:28,515 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:28" (1/1) ... [2018-12-09 19:09:28,516 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:28" (1/1) ... [2018-12-09 19:09:28,522 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:28" (1/1) ... [2018-12-09 19:09:28,526 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:28" (1/1) ... [2018-12-09 19:09:28,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:28" (1/1) ... [2018-12-09 19:09:28,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 19:09:28,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 19:09:28,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 19:09:28,530 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 19:09:28,530 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc44d4e2-d8c6-42e9-850a-4735b1f899d7/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 19:09:28,563 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 19:09:28,563 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 19:09:28,563 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 19:09:28,564 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 19:09:28,564 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 19:09:28,564 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 19:09:28,564 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-09 19:09:28,564 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-09 19:09:28,564 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 19:09:28,564 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 19:09:28,564 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 19:09:28,564 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 19:09:28,564 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 19:09:28,564 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 19:09:28,564 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 19:09:28,565 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 19:09:28,565 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 19:09:28,565 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 19:09:28,565 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 19:09:28,565 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 19:09:28,565 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-09 19:09:28,565 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-09 19:09:28,565 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-09 19:09:28,565 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 19:09:28,566 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 19:09:28,566 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 19:09:28,566 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 19:09:28,566 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 19:09:28,566 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 19:09:28,566 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 19:09:28,566 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 19:09:28,566 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 19:09:28,566 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 19:09:28,567 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 19:09:28,567 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 19:09:28,567 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 19:09:28,567 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 19:09:28,567 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 19:09:28,567 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 19:09:28,567 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 19:09:28,567 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 19:09:28,568 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 19:09:28,568 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 19:09:28,568 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 19:09:28,568 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 19:09:28,568 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 19:09:28,568 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 19:09:28,568 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 19:09:28,568 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 19:09:28,568 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 19:09:28,569 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 19:09:28,569 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 19:09:28,569 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 19:09:28,569 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 19:09:28,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 19:09:28,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 19:09:28,569 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 19:09:28,569 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 19:09:28,569 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 19:09:28,570 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 19:09:28,570 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 19:09:28,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 19:09:28,570 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-09 19:09:28,570 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-09 19:09:28,895 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 19:09:28,896 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 19:09:28,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:09:28 BoogieIcfgContainer [2018-12-09 19:09:28,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 19:09:28,896 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 19:09:28,896 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 19:09:28,899 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 19:09:28,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:09:28" (1/3) ... [2018-12-09 19:09:28,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3609bc6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:09:28, skipping insertion in model container [2018-12-09 19:09:28,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:09:28" (2/3) ... [2018-12-09 19:09:28,900 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3609bc6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:09:28, skipping insertion in model container [2018-12-09 19:09:28,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:09:28" (3/3) ... [2018-12-09 19:09:28,901 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product63_true-unreach-call_false-termination.cil.c [2018-12-09 19:09:28,907 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 19:09:28,912 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 19:09:28,922 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 19:09:28,940 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 19:09:28,940 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 19:09:28,941 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 19:09:28,941 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 19:09:28,941 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 19:09:28,941 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 19:09:28,941 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 19:09:28,941 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 19:09:28,953 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2018-12-09 19:09:28,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 19:09:28,958 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:09:28,959 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:09:28,960 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:09:28,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:09:28,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1088760993, now seen corresponding path program 1 times [2018-12-09 19:09:28,965 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:09:28,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:09:28,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:09:28,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:09:28,994 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:09:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:29,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:09:29,106 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:09:29,106 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 19:09:29,106 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:09:29,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 19:09:29,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 19:09:29,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:09:29,118 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 2 states. [2018-12-09 19:09:29,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:09:29,144 INFO L93 Difference]: Finished difference Result 312 states and 391 transitions. [2018-12-09 19:09:29,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 19:09:29,145 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 19:09:29,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:09:29,152 INFO L225 Difference]: With dead ends: 312 [2018-12-09 19:09:29,152 INFO L226 Difference]: Without dead ends: 156 [2018-12-09 19:09:29,154 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 19:09:29,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-12-09 19:09:29,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2018-12-09 19:09:29,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-12-09 19:09:29,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 187 transitions. [2018-12-09 19:09:29,187 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 187 transitions. Word has length 46 [2018-12-09 19:09:29,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:09:29,187 INFO L480 AbstractCegarLoop]: Abstraction has 156 states and 187 transitions. [2018-12-09 19:09:29,187 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 19:09:29,187 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 187 transitions. [2018-12-09 19:09:29,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 19:09:29,189 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:09:29,189 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:09:29,189 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:09:29,189 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:09:29,189 INFO L82 PathProgramCache]: Analyzing trace with hash -767274034, now seen corresponding path program 1 times [2018-12-09 19:09:29,190 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:09:29,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:09:29,190 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:09:29,190 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:09:29,190 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:09:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:29,242 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:09:29,242 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:09:29,242 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 19:09:29,242 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:09:29,243 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 19:09:29,243 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 19:09:29,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:09:29,243 INFO L87 Difference]: Start difference. First operand 156 states and 187 transitions. Second operand 3 states. [2018-12-09 19:09:29,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:09:29,258 INFO L93 Difference]: Finished difference Result 255 states and 305 transitions. [2018-12-09 19:09:29,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 19:09:29,258 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 19:09:29,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:09:29,260 INFO L225 Difference]: With dead ends: 255 [2018-12-09 19:09:29,260 INFO L226 Difference]: Without dead ends: 147 [2018-12-09 19:09:29,261 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 19:09:29,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-12-09 19:09:29,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-12-09 19:09:29,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-12-09 19:09:29,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 175 transitions. [2018-12-09 19:09:29,269 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 175 transitions. Word has length 47 [2018-12-09 19:09:29,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:09:29,269 INFO L480 AbstractCegarLoop]: Abstraction has 147 states and 175 transitions. [2018-12-09 19:09:29,269 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 19:09:29,269 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 175 transitions. [2018-12-09 19:09:29,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 19:09:29,270 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:09:29,270 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 19:09:29,271 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:09:29,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:09:29,271 INFO L82 PathProgramCache]: Analyzing trace with hash -960889978, now seen corresponding path program 1 times [2018-12-09 19:09:29,271 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:09:29,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:09:29,271 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:09:29,271 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:09:29,272 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:09:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:29,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:09:29,352 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:09:29,352 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 19:09:29,352 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:09:29,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 19:09:29,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 19:09:29,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 19:09:29,353 INFO L87 Difference]: Start difference. First operand 147 states and 175 transitions. Second operand 7 states. [2018-12-09 19:09:29,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:09:29,645 INFO L93 Difference]: Finished difference Result 443 states and 543 transitions. [2018-12-09 19:09:29,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 19:09:29,645 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2018-12-09 19:09:29,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:09:29,649 INFO L225 Difference]: With dead ends: 443 [2018-12-09 19:09:29,649 INFO L226 Difference]: Without dead ends: 320 [2018-12-09 19:09:29,650 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 19:09:29,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-12-09 19:09:29,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 312. [2018-12-09 19:09:29,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2018-12-09 19:09:29,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 382 transitions. [2018-12-09 19:09:29,680 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 382 transitions. Word has length 51 [2018-12-09 19:09:29,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:09:29,680 INFO L480 AbstractCegarLoop]: Abstraction has 312 states and 382 transitions. [2018-12-09 19:09:29,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 19:09:29,680 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 382 transitions. [2018-12-09 19:09:29,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 19:09:29,683 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:09:29,683 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 19:09:29,683 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:09:29,683 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:09:29,683 INFO L82 PathProgramCache]: Analyzing trace with hash 1600438353, now seen corresponding path program 1 times [2018-12-09 19:09:29,684 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:09:29,684 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:09:29,684 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:09:29,685 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:09:29,685 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:09:29,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:29,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:09:29,771 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:09:29,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:09:29,772 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:09:29,772 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:09:29,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:09:29,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:09:29,773 INFO L87 Difference]: Start difference. First operand 312 states and 382 transitions. Second operand 6 states. [2018-12-09 19:09:29,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:09:29,914 INFO L93 Difference]: Finished difference Result 873 states and 1094 transitions. [2018-12-09 19:09:29,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:09:29,914 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-12-09 19:09:29,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:09:29,917 INFO L225 Difference]: With dead ends: 873 [2018-12-09 19:09:29,917 INFO L226 Difference]: Without dead ends: 585 [2018-12-09 19:09:29,919 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 19:09:29,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2018-12-09 19:09:29,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 579. [2018-12-09 19:09:29,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 579 states. [2018-12-09 19:09:29,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 714 transitions. [2018-12-09 19:09:29,953 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 714 transitions. Word has length 57 [2018-12-09 19:09:29,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:09:29,953 INFO L480 AbstractCegarLoop]: Abstraction has 579 states and 714 transitions. [2018-12-09 19:09:29,953 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:09:29,953 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 714 transitions. [2018-12-09 19:09:29,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 19:09:29,955 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:09:29,955 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:09:29,955 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:09:29,956 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:09:29,956 INFO L82 PathProgramCache]: Analyzing trace with hash 639771605, now seen corresponding path program 1 times [2018-12-09 19:09:29,956 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:09:29,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:09:29,956 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:09:29,956 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:09:29,956 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:09:29,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:30,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:09:30,025 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:09:30,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:09:30,026 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:09:30,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:09:30,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:09:30,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:09:30,027 INFO L87 Difference]: Start difference. First operand 579 states and 714 transitions. Second operand 6 states. [2018-12-09 19:09:30,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:09:30,160 INFO L93 Difference]: Finished difference Result 1364 states and 1744 transitions. [2018-12-09 19:09:30,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:09:30,160 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2018-12-09 19:09:30,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:09:30,163 INFO L225 Difference]: With dead ends: 1364 [2018-12-09 19:09:30,163 INFO L226 Difference]: Without dead ends: 809 [2018-12-09 19:09:30,164 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 19:09:30,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2018-12-09 19:09:30,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 791. [2018-12-09 19:09:30,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 791 states. [2018-12-09 19:09:30,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 791 states and 967 transitions. [2018-12-09 19:09:30,206 INFO L78 Accepts]: Start accepts. Automaton has 791 states and 967 transitions. Word has length 61 [2018-12-09 19:09:30,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:09:30,206 INFO L480 AbstractCegarLoop]: Abstraction has 791 states and 967 transitions. [2018-12-09 19:09:30,206 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:09:30,206 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 967 transitions. [2018-12-09 19:09:30,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 19:09:30,208 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:09:30,208 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] [2018-12-09 19:09:30,209 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:09:30,209 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:09:30,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1209946507, now seen corresponding path program 1 times [2018-12-09 19:09:30,209 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:09:30,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:09:30,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:09:30,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:09:30,210 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:09:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:30,265 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:09:30,266 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:09:30,266 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 19:09:30,266 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:09:30,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 19:09:30,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 19:09:30,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 19:09:30,266 INFO L87 Difference]: Start difference. First operand 791 states and 967 transitions. Second operand 6 states. [2018-12-09 19:09:30,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:09:30,326 INFO L93 Difference]: Finished difference Result 1586 states and 2014 transitions. [2018-12-09 19:09:30,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 19:09:30,326 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-12-09 19:09:30,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:09:30,329 INFO L225 Difference]: With dead ends: 1586 [2018-12-09 19:09:30,329 INFO L226 Difference]: Without dead ends: 819 [2018-12-09 19:09:30,331 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 19:09:30,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2018-12-09 19:09:30,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 811. [2018-12-09 19:09:30,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2018-12-09 19:09:30,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 987 transitions. [2018-12-09 19:09:30,368 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 987 transitions. Word has length 103 [2018-12-09 19:09:30,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:09:30,368 INFO L480 AbstractCegarLoop]: Abstraction has 811 states and 987 transitions. [2018-12-09 19:09:30,368 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 19:09:30,369 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 987 transitions. [2018-12-09 19:09:30,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 19:09:30,370 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:09:30,371 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] [2018-12-09 19:09:30,371 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:09:30,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:09:30,371 INFO L82 PathProgramCache]: Analyzing trace with hash 856858125, now seen corresponding path program 1 times [2018-12-09 19:09:30,371 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:09:30,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:09:30,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:09:30,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:09:30,372 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:09:30,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:30,446 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:09:30,446 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:09:30,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 19:09:30,446 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:09:30,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 19:09:30,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 19:09:30,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 19:09:30,447 INFO L87 Difference]: Start difference. First operand 811 states and 987 transitions. Second operand 8 states. [2018-12-09 19:09:30,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:09:30,498 INFO L93 Difference]: Finished difference Result 1626 states and 2054 transitions. [2018-12-09 19:09:30,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:09:30,499 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2018-12-09 19:09:30,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:09:30,503 INFO L225 Difference]: With dead ends: 1626 [2018-12-09 19:09:30,503 INFO L226 Difference]: Without dead ends: 839 [2018-12-09 19:09:30,505 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 19:09:30,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 839 states. [2018-12-09 19:09:30,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 839 to 827. [2018-12-09 19:09:30,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 827 states. [2018-12-09 19:09:30,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 827 states and 1003 transitions. [2018-12-09 19:09:30,543 INFO L78 Accepts]: Start accepts. Automaton has 827 states and 1003 transitions. Word has length 103 [2018-12-09 19:09:30,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:09:30,543 INFO L480 AbstractCegarLoop]: Abstraction has 827 states and 1003 transitions. [2018-12-09 19:09:30,543 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 19:09:30,544 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1003 transitions. [2018-12-09 19:09:30,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 19:09:30,545 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:09:30,546 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] [2018-12-09 19:09:30,546 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:09:30,546 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:09:30,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1990048718, now seen corresponding path program 1 times [2018-12-09 19:09:30,546 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:09:30,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:09:30,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:09:30,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:09:30,547 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:09:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:30,616 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 19:09:30,617 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 19:09:30,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 19:09:30,617 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:09:30,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 19:09:30,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 19:09:30,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 19:09:30,618 INFO L87 Difference]: Start difference. First operand 827 states and 1003 transitions. Second operand 4 states. [2018-12-09 19:09:30,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:09:30,791 INFO L93 Difference]: Finished difference Result 2661 states and 3378 transitions. [2018-12-09 19:09:30,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 19:09:30,791 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-12-09 19:09:30,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:09:30,798 INFO L225 Difference]: With dead ends: 2661 [2018-12-09 19:09:30,798 INFO L226 Difference]: Without dead ends: 1858 [2018-12-09 19:09:30,801 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 19:09:30,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1858 states. [2018-12-09 19:09:30,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1858 to 1827. [2018-12-09 19:09:30,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1827 states. [2018-12-09 19:09:30,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2263 transitions. [2018-12-09 19:09:30,860 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2263 transitions. Word has length 103 [2018-12-09 19:09:30,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:09:30,861 INFO L480 AbstractCegarLoop]: Abstraction has 1827 states and 2263 transitions. [2018-12-09 19:09:30,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 19:09:30,861 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2263 transitions. [2018-12-09 19:09:30,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 19:09:30,862 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:09:30,863 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] [2018-12-09 19:09:30,863 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:09:30,863 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:09:30,863 INFO L82 PathProgramCache]: Analyzing trace with hash -1724957708, now seen corresponding path program 1 times [2018-12-09 19:09:30,863 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:09:30,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:09:30,863 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:09:30,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:09:30,864 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:09:30,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:30,937 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 19:09:30,937 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:09:30,938 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:09:30,938 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 108 with the following transitions: [2018-12-09 19:09:30,940 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [33], [36], [46], [47], [59], [62], [64], [65], [68], [72], [73], [74], [89], [92], [94], [103], [107], [111], [114], [119], [122], [127], [130], [146], [147], [150], [151], [152], [154], [159], [162], [163], [165], [170], [172], [173], [178], [180], [207], [208], [214], [218], [232], [236], [239], [241], [244], [254], [257], [261], [262], [265], [267], [270], [272], [275], [284], [285], [286], [287], [288], [289], [290], [291], [292], [300], [301], [306], [308], [309], [316], [317], [318], [319], [320], [321], [324], [328], [329], [330], [331], [332], [333], [340], [341], [342], [344], [345], [346], [348], [349], [350], [351], [356], [357], [358], [359], [360] [2018-12-09 19:09:30,970 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:09:30,970 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:09:31,279 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:09:31,280 INFO L272 AbstractInterpreter]: Visited 105 different actions 107 times. Never merged. Never widened. Performed 3366 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3366 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-09 19:09:31,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:09:31,285 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:09:31,285 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:09:31,285 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc44d4e2-d8c6-42e9-850a-4735b1f899d7/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 19:09:31,293 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:09:31,293 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:09:31,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:31,399 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:09:31,507 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 19:09:31,507 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:09:32,178 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 19:09:32,194 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 19:09:32,195 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-09 19:09:32,195 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:09:32,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 19:09:32,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 19:09:32,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 19:09:32,196 INFO L87 Difference]: Start difference. First operand 1827 states and 2263 transitions. Second operand 8 states. [2018-12-09 19:09:32,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:09:32,436 INFO L93 Difference]: Finished difference Result 3618 states and 4502 transitions. [2018-12-09 19:09:32,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:09:32,436 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2018-12-09 19:09:32,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:09:32,443 INFO L225 Difference]: With dead ends: 3618 [2018-12-09 19:09:32,444 INFO L226 Difference]: Without dead ends: 1815 [2018-12-09 19:09:32,448 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 196 SyntacticMatches, 8 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 19:09:32,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1815 states. [2018-12-09 19:09:32,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1815 to 1815. [2018-12-09 19:09:32,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1815 states. [2018-12-09 19:09:32,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1815 states to 1815 states and 2199 transitions. [2018-12-09 19:09:32,509 INFO L78 Accepts]: Start accepts. Automaton has 1815 states and 2199 transitions. Word has length 107 [2018-12-09 19:09:32,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:09:32,510 INFO L480 AbstractCegarLoop]: Abstraction has 1815 states and 2199 transitions. [2018-12-09 19:09:32,510 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 19:09:32,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1815 states and 2199 transitions. [2018-12-09 19:09:32,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-09 19:09:32,514 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 19:09:32,514 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 19:09:32,514 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 19:09:32,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:09:32,515 INFO L82 PathProgramCache]: Analyzing trace with hash 56514822, now seen corresponding path program 1 times [2018-12-09 19:09:32,515 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 19:09:32,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:09:32,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:09:32,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 19:09:32,516 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 19:09:32,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:32,608 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 19:09:32,608 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:09:32,608 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 19:09:32,608 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 177 with the following transitions: [2018-12-09 19:09:32,609 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [29], [33], [36], [46], [47], [48], [50], [53], [57], [58], [59], [62], [64], [65], [68], [72], [73], [74], [77], [79], [85], [89], [92], [93], [94], [103], [107], [111], [114], [117], [119], [122], [125], [127], [130], [146], [147], [148], [149], [150], [151], [152], [154], [159], [162], [163], [165], [170], [172], [173], [178], [180], [207], [208], [211], [214], [218], [224], [227], [231], [232], [236], [239], [241], [244], [251], [254], [257], [261], [262], [265], [267], [270], [272], [275], [281], [283], [284], [285], [286], [287], [288], [289], [290], [291], [292], [294], [295], [298], [299], [300], [301], [304], [305], [306], [308], [309], [310], [311], [314], [315], [316], [317], [318], [319], [320], [321], [324], [325], [328], [329], [330], [331], [332], [333], [338], [339], [340], [341], [342], [343], [344], [345], [346], [348], [349], [350], [351], [354], [355], [356], [357], [358], [359], [360] [2018-12-09 19:09:32,611 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 19:09:32,611 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 19:09:34,376 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 19:09:34,377 INFO L272 AbstractInterpreter]: Visited 144 different actions 1343 times. Merged at 20 different actions 84 times. Never widened. Performed 43779 root evaluator evaluations with a maximum evaluation depth of 5. Performed 43779 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 22 fixpoints after 5 different actions. Largest state had 132 variables. [2018-12-09 19:09:34,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 19:09:34,379 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 19:09:34,379 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 19:09:34,379 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_dc44d4e2-d8c6-42e9-850a-4735b1f899d7/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 19:09:34,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 19:09:34,385 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 19:09:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 19:09:34,480 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 19:09:34,575 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 19:09:34,575 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 19:09:34,849 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-09 19:09:34,865 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 19:09:34,865 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-09 19:09:34,865 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 19:09:34,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 19:09:34,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 19:09:34,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 19:09:34,866 INFO L87 Difference]: Start difference. First operand 1815 states and 2199 transitions. Second operand 8 states. [2018-12-09 19:09:35,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 19:09:35,059 INFO L93 Difference]: Finished difference Result 3047 states and 3747 transitions. [2018-12-09 19:09:35,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 19:09:35,059 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 176 [2018-12-09 19:09:35,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 19:09:35,060 INFO L225 Difference]: With dead ends: 3047 [2018-12-09 19:09:35,060 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 19:09:35,065 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 365 GetRequests, 337 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 19:09:35,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 19:09:35,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 19:09:35,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 19:09:35,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 19:09:35,066 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 176 [2018-12-09 19:09:35,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 19:09:35,066 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 19:09:35,066 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 19:09:35,066 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 19:09:35,066 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 19:09:35,070 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 19:09:35,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:35,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 19:09:35,701 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 29 [2018-12-09 19:09:37,161 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 999 1005) the Hoare annotation is: true [2018-12-09 19:09:37,161 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 999 1005) no Hoare annotation was computed. [2018-12-09 19:09:37,161 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 1006 1014) no Hoare annotation was computed. [2018-12-09 19:09:37,161 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 1006 1014) the Hoare annotation is: true [2018-12-09 19:09:37,161 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 1006 1014) no Hoare annotation was computed. [2018-12-09 19:09:37,161 INFO L444 ceAbstractionStarter]: At program point L833(line 833) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:09:37,161 INFO L444 ceAbstractionStarter]: At program point L833-1(line 833) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:09:37,161 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 827 849) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:09:37,161 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 827 849) no Hoare annotation was computed. [2018-12-09 19:09:37,161 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 827 849) no Hoare annotation was computed. [2018-12-09 19:09:37,161 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:09:37,161 INFO L444 ceAbstractionStarter]: At program point L839-1(line 839) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= main_~tmp~10 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:09:37,161 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 844) no Hoare annotation was computed. [2018-12-09 19:09:37,162 INFO L448 ceAbstractionStarter]: For program point L837-1(lines 837 844) no Hoare annotation was computed. [2018-12-09 19:09:37,162 INFO L448 ceAbstractionStarter]: For program point L835(line 835) no Hoare annotation was computed. [2018-12-09 19:09:37,162 INFO L444 ceAbstractionStarter]: At program point L834(line 834) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:09:37,162 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1))) [2018-12-09 19:09:37,162 INFO L444 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1))) [2018-12-09 19:09:37,162 INFO L448 ceAbstractionStarter]: For program point L121(lines 121 129) no Hoare annotation was computed. [2018-12-09 19:09:37,162 INFO L444 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1))) [2018-12-09 19:09:37,162 INFO L448 ceAbstractionStarter]: For program point L119-1(line 119) no Hoare annotation was computed. [2018-12-09 19:09:37,162 INFO L448 ceAbstractionStarter]: For program point L117(lines 117 134) no Hoare annotation was computed. [2018-12-09 19:09:37,162 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 113 137) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= 0 ~pumpRunning~0))) (and (or .cse0 (< ~methaneLevelCritical~0 1) .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2018-12-09 19:09:37,162 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 113 137) no Hoare annotation was computed. [2018-12-09 19:09:37,162 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= 0 ~pumpRunning~0))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2018-12-09 19:09:37,162 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 113 137) no Hoare annotation was computed. [2018-12-09 19:09:37,162 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 291 305) no Hoare annotation was computed. [2018-12-09 19:09:37,162 INFO L444 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (let ((.cse6 (= |old(~systemActive~0)| 0)) (.cse5 (not (= ~systemActive~0 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= ~systemActive~0 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6) (or .cse6 .cse4 .cse5) (or .cse1 .cse4) (or .cse2 .cse0 .cse3))) [2018-12-09 19:09:37,162 INFO L448 ceAbstractionStarter]: For program point L295(lines 295 301) no Hoare annotation was computed. [2018-12-09 19:09:37,163 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 291 305) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (= |old(~systemActive~0)| 0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= ~systemActive~0 0))) (.cse4 (= ~systemActive~0 1)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse5 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or .cse2 (or .cse1 .cse3)) (or .cse4 .cse5 .cse3) (or .cse6 .cse0 .cse7) (or .cse7 .cse3 .cse6) (or .cse4 .cse0 .cse5))) [2018-12-09 19:09:37,163 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 291 305) no Hoare annotation was computed. [2018-12-09 19:09:37,163 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 208 216) no Hoare annotation was computed. [2018-12-09 19:09:37,163 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 208 216) the Hoare annotation is: true [2018-12-09 19:09:37,163 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 208 216) no Hoare annotation was computed. [2018-12-09 19:09:37,163 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 272 290) the Hoare annotation is: true [2018-12-09 19:09:37,163 INFO L448 ceAbstractionStarter]: For program point L281(lines 281 285) no Hoare annotation was computed. [2018-12-09 19:09:37,163 INFO L451 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: true [2018-12-09 19:09:37,163 INFO L448 ceAbstractionStarter]: For program point L281-2(lines 281 285) no Hoare annotation was computed. [2018-12-09 19:09:37,163 INFO L448 ceAbstractionStarter]: For program point L279-1(line 279) no Hoare annotation was computed. [2018-12-09 19:09:37,163 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 272 290) no Hoare annotation was computed. [2018-12-09 19:09:37,163 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 272 290) no Hoare annotation was computed. [2018-12-09 19:09:37,163 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 992 998) no Hoare annotation was computed. [2018-12-09 19:09:37,163 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 992 998) the Hoare annotation is: true [2018-12-09 19:09:37,163 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 814 823) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:09:37,163 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 814 823) no Hoare annotation was computed. [2018-12-09 19:09:37,163 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 814 823) no Hoare annotation was computed. [2018-12-09 19:09:37,163 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 197 207) the Hoare annotation is: true [2018-12-09 19:09:37,164 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 197 207) no Hoare annotation was computed. [2018-12-09 19:09:37,164 INFO L451 ceAbstractionStarter]: At program point L202(line 202) the Hoare annotation is: true [2018-12-09 19:09:37,164 INFO L448 ceAbstractionStarter]: For program point L202-1(line 202) no Hoare annotation was computed. [2018-12-09 19:09:37,164 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 197 207) no Hoare annotation was computed. [2018-12-09 19:09:37,164 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 189 196) the Hoare annotation is: true [2018-12-09 19:09:37,164 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 189 196) no Hoare annotation was computed. [2018-12-09 19:09:37,164 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 189 196) no Hoare annotation was computed. [2018-12-09 19:09:37,164 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 967) no Hoare annotation was computed. [2018-12-09 19:09:37,164 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 957 970) no Hoare annotation was computed. [2018-12-09 19:09:37,164 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 957 970) the Hoare annotation is: true [2018-12-09 19:09:37,164 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 957 970) no Hoare annotation was computed. [2018-12-09 19:09:37,164 INFO L444 ceAbstractionStarter]: At program point L158(line 158) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1) (or .cse1 (< ~methaneLevelCritical~0 1) .cse0))) [2018-12-09 19:09:37,164 INFO L448 ceAbstractionStarter]: For program point L158-1(lines 139 163) no Hoare annotation was computed. [2018-12-09 19:09:37,164 INFO L444 ceAbstractionStarter]: At program point L153(line 153) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0))) [2018-12-09 19:09:37,164 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 139 163) no Hoare annotation was computed. [2018-12-09 19:09:37,164 INFO L444 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: (let ((.cse2 (< ~methaneLevelCritical~0 1)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse2 .cse1 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2)) (or .cse2 .cse0 .cse1))) [2018-12-09 19:09:37,164 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 139 163) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= 0 ~pumpRunning~0))) (and (or .cse0 (< ~methaneLevelCritical~0 1) .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2018-12-09 19:09:37,164 INFO L448 ceAbstractionStarter]: For program point L147(lines 147 155) no Hoare annotation was computed. [2018-12-09 19:09:37,165 INFO L444 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1))) [2018-12-09 19:09:37,165 INFO L448 ceAbstractionStarter]: For program point L145-1(line 145) no Hoare annotation was computed. [2018-12-09 19:09:37,165 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 160) no Hoare annotation was computed. [2018-12-09 19:09:37,165 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 79 85) no Hoare annotation was computed. [2018-12-09 19:09:37,165 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 79 85) the Hoare annotation is: true [2018-12-09 19:09:37,165 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 310 375) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:09:37,165 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 310 375) no Hoare annotation was computed. [2018-12-09 19:09:37,165 INFO L444 ceAbstractionStarter]: At program point L368(lines 319 369) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 19:09:37,165 INFO L444 ceAbstractionStarter]: At program point L358(line 358) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse2) (and .cse4 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse4 .cse2))) [2018-12-09 19:09:37,165 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 362) no Hoare annotation was computed. [2018-12-09 19:09:37,165 INFO L444 ceAbstractionStarter]: At program point L356-1(lines 350 363) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 .cse0 .cse2) (and .cse4 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse3 .cse4 .cse2))) [2018-12-09 19:09:37,165 INFO L448 ceAbstractionStarter]: For program point L321(lines 320 367) no Hoare annotation was computed. [2018-12-09 19:09:37,165 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 363) no Hoare annotation was computed. [2018-12-09 19:09:37,165 INFO L444 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse1) (and .cse2 (<= 1 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-12-09 19:09:37,165 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 346) no Hoare annotation was computed. [2018-12-09 19:09:37,165 INFO L448 ceAbstractionStarter]: For program point L340-1(lines 340 346) no Hoare annotation was computed. [2018-12-09 19:09:37,166 INFO L444 ceAbstractionStarter]: At program point L365(lines 320 367) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse1) (and .cse2 (<= 1 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-12-09 19:09:37,166 INFO L444 ceAbstractionStarter]: At program point L332(line 332) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse1) (and .cse2 (<= 1 ~methaneLevelCritical~0) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse0 .cse2 .cse1))) [2018-12-09 19:09:37,166 INFO L448 ceAbstractionStarter]: For program point L330(lines 330 336) no Hoare annotation was computed. [2018-12-09 19:09:37,166 INFO L448 ceAbstractionStarter]: For program point L330-1(lines 330 336) no Hoare annotation was computed. [2018-12-09 19:09:37,166 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 310 375) no Hoare annotation was computed. [2018-12-09 19:09:37,166 INFO L448 ceAbstractionStarter]: For program point L322(lines 322 326) no Hoare annotation was computed. [2018-12-09 19:09:37,166 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 164 171) the Hoare annotation is: (or (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 19:09:37,166 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 164 171) no Hoare annotation was computed. [2018-12-09 19:09:37,166 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 164 171) no Hoare annotation was computed. [2018-12-09 19:09:37,166 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 971 979) no Hoare annotation was computed. [2018-12-09 19:09:37,166 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 971 979) the Hoare annotation is: true [2018-12-09 19:09:37,166 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 971 979) no Hoare annotation was computed. [2018-12-09 19:09:37,166 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:09:37,166 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:09:37,166 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:09:37,166 INFO L444 ceAbstractionStarter]: At program point L177(line 177) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (or .cse3 .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 19:09:37,166 INFO L448 ceAbstractionStarter]: For program point L177-1(line 177) no Hoare annotation was computed. [2018-12-09 19:09:37,166 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 172 188) no Hoare annotation was computed. [2018-12-09 19:09:37,166 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 172 188) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2 .cse3) (or .cse3 .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 19:09:37,166 INFO L444 ceAbstractionStarter]: At program point L183(line 183) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2) (or (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 19:09:37,166 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 172 188) no Hoare annotation was computed. [2018-12-09 19:09:37,167 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 185) no Hoare annotation was computed. [2018-12-09 19:09:37,167 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 253 271) no Hoare annotation was computed. [2018-12-09 19:09:37,167 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 266) no Hoare annotation was computed. [2018-12-09 19:09:37,167 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 253 271) the Hoare annotation is: true [2018-12-09 19:09:37,167 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 253 271) no Hoare annotation was computed. [2018-12-09 19:09:37,167 INFO L451 ceAbstractionStarter]: At program point L260(line 260) the Hoare annotation is: true [2018-12-09 19:09:37,167 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 266) no Hoare annotation was computed. [2018-12-09 19:09:37,167 INFO L448 ceAbstractionStarter]: For program point L260-1(line 260) no Hoare annotation was computed. [2018-12-09 19:09:37,167 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 904 915) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (< |old(~methaneLevelCritical~0)| 1) .cse0 (<= 1 ~methaneLevelCritical~0)) (or (= ~systemActive~0 0) .cse1 .cse2) (or .cse0 .cse2 .cse1))) [2018-12-09 19:09:37,167 INFO L448 ceAbstractionStarter]: For program point L908-1(lines 904 915) no Hoare annotation was computed. [2018-12-09 19:09:37,167 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 904 915) no Hoare annotation was computed. [2018-12-09 19:09:37,167 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 753 782) no Hoare annotation was computed. [2018-12-09 19:09:37,167 INFO L448 ceAbstractionStarter]: For program point L767(lines 767 771) no Hoare annotation was computed. [2018-12-09 19:09:37,167 INFO L451 ceAbstractionStarter]: At program point L767-1(lines 767 771) the Hoare annotation is: true [2018-12-09 19:09:37,167 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 753 782) the Hoare annotation is: true [2018-12-09 19:09:37,167 INFO L448 ceAbstractionStarter]: For program point L764(line 764) no Hoare annotation was computed. [2018-12-09 19:09:37,167 INFO L451 ceAbstractionStarter]: At program point L763-2(lines 763 777) the Hoare annotation is: true [2018-12-09 19:09:37,167 INFO L451 ceAbstractionStarter]: At program point L759(line 759) the Hoare annotation is: true [2018-12-09 19:09:37,167 INFO L448 ceAbstractionStarter]: For program point L759-1(line 759) no Hoare annotation was computed. [2018-12-09 19:09:37,167 INFO L451 ceAbstractionStarter]: At program point L778(lines 753 782) the Hoare annotation is: true [2018-12-09 19:09:37,167 INFO L448 ceAbstractionStarter]: For program point L774(line 774) no Hoare annotation was computed. [2018-12-09 19:09:37,167 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 916 924) the Hoare annotation is: true [2018-12-09 19:09:37,167 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 916 924) no Hoare annotation was computed. [2018-12-09 19:09:37,167 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 916 924) no Hoare annotation was computed. [2018-12-09 19:09:37,168 INFO L444 ceAbstractionStarter]: At program point L61(line 61) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (< ~methaneLevelCritical~0 1) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 19:09:37,168 INFO L448 ceAbstractionStarter]: For program point L59(lines 58 77) no Hoare annotation was computed. [2018-12-09 19:09:37,168 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 55 78) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 1)) (.cse9 (= 0 ~pumpRunning~0)) (.cse8 (not (= ~waterLevel~0 1)))) (let ((.cse3 (and .cse9 .cse8)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse7 (= ~systemActive~0 0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and .cse9 (= 1 ~waterLevel~0))) (.cse5 (not .cse1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse5 .cse6) (or .cse1 .cse7 .cse8 .cse6) (or .cse1 .cse2 .cse3 .cse6) (or .cse0 .cse1 .cse7 .cse8) (or .cse0 .cse2 .cse4 .cse5)))) [2018-12-09 19:09:37,168 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 55 78) no Hoare annotation was computed. [2018-12-09 19:09:37,168 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 55 78) no Hoare annotation was computed. [2018-12-09 19:09:37,168 INFO L444 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| 1)) (.cse7 (= 0 ~pumpRunning~0)) (.cse8 (not (= ~systemActive~0 0)))) (let ((.cse1 (< ~methaneLevelCritical~0 1)) (.cse5 (and .cse7 .cse8 (not (= ~waterLevel~0 1)))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and .cse7 (= 1 ~waterLevel~0) .cse8)) (.cse3 (not .cse4)) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse5) (or .cse5 .cse4 .cse2 .cse6) (or .cse2 .cse0 .cse3 .cse6)))) [2018-12-09 19:09:37,168 INFO L444 ceAbstractionStarter]: At program point L66(lines 66 72) the Hoare annotation is: (let ((.cse9 (not (= ~waterLevel~0 1))) (.cse1 (= |old(~waterLevel~0)| 1)) (.cse7 (= 0 ~pumpRunning~0))) (let ((.cse0 (< ~methaneLevelCritical~0 1)) (.cse4 (and .cse7 (= 1 ~waterLevel~0))) (.cse5 (not .cse1)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (= ~systemActive~0 0)) (.cse3 (and .cse7 .cse9)) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse5 .cse6) (or .cse7 .cse0 .cse8) (or .cse0 .cse2 .cse4 .cse5) (or .cse1 .cse2 (and (not .cse8) .cse9) .cse3 .cse6)))) [2018-12-09 19:09:37,168 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 880 891) the Hoare annotation is: true [2018-12-09 19:09:37,168 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 880 891) no Hoare annotation was computed. [2018-12-09 19:09:37,168 INFO L448 ceAbstractionStarter]: For program point L884-1(lines 880 891) no Hoare annotation was computed. [2018-12-09 19:09:37,168 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 807 813) no Hoare annotation was computed. [2018-12-09 19:09:37,168 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 807 813) the Hoare annotation is: true [2018-12-09 19:09:37,168 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 19:09:37,168 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-12-09 19:09:37,168 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 19:09:37,168 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 19:09:37,168 INFO L444 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: (let ((.cse1 (and (= 0 ~pumpRunning~0) (not (= ~waterLevel~0 1)))) (.cse0 (= ~systemActive~0 0))) (and (or (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 19:09:37,168 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 87 111) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= 0 ~pumpRunning~0))) (and (or .cse0 (< ~methaneLevelCritical~0 1) .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2018-12-09 19:09:37,168 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 103) no Hoare annotation was computed. [2018-12-09 19:09:37,169 INFO L444 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= 0 ~pumpRunning~0))) (and (or .cse0 (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2018-12-09 19:09:37,169 INFO L448 ceAbstractionStarter]: For program point L93-1(line 93) no Hoare annotation was computed. [2018-12-09 19:09:37,169 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 87 111) no Hoare annotation was computed. [2018-12-09 19:09:37,169 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 108) no Hoare annotation was computed. [2018-12-09 19:09:37,169 INFO L444 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1))) [2018-12-09 19:09:37,169 INFO L448 ceAbstractionStarter]: For program point L106-1(lines 87 111) no Hoare annotation was computed. [2018-12-09 19:09:37,169 INFO L444 ceAbstractionStarter]: At program point L101(line 101) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (and (= 0 ~pumpRunning~0) (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)))) (and (or (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2018-12-09 19:09:37,169 INFO L448 ceAbstractionStarter]: For program point L896-1(lines 892 903) no Hoare annotation was computed. [2018-12-09 19:09:37,169 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 892 903) no Hoare annotation was computed. [2018-12-09 19:09:37,169 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 892 903) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1 .cse2))) [2018-12-09 19:09:37,169 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 381) no Hoare annotation was computed. [2018-12-09 19:09:37,169 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 377 384) no Hoare annotation was computed. [2018-12-09 19:09:37,169 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 377 384) the Hoare annotation is: true [2018-12-09 19:09:37,169 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 377 384) no Hoare annotation was computed. [2018-12-09 19:09:37,169 INFO L444 ceAbstractionStarter]: At program point L865(line 865) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or (= ~systemActive~0 0) .cse0) (or .cse1 .cse0) (or (< ~methaneLevelCritical~0 1) .cse1))) [2018-12-09 19:09:37,169 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 869) no Hoare annotation was computed. [2018-12-09 19:09:37,169 INFO L444 ceAbstractionStarter]: At program point L861(line 861) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2018-12-09 19:09:37,169 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 851 875) the Hoare annotation is: true [2018-12-09 19:09:37,169 INFO L448 ceAbstractionStarter]: For program point L861-1(line 861) no Hoare annotation was computed. [2018-12-09 19:09:37,169 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 872) no Hoare annotation was computed. [2018-12-09 19:09:37,170 INFO L448 ceAbstractionStarter]: For program point L859-1(lines 851 875) no Hoare annotation was computed. [2018-12-09 19:09:37,170 INFO L451 ceAbstractionStarter]: At program point L857(line 857) the Hoare annotation is: true [2018-12-09 19:09:37,170 INFO L448 ceAbstractionStarter]: For program point L857-1(line 857) no Hoare annotation was computed. [2018-12-09 19:09:37,170 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 851 875) no Hoare annotation was computed. [2018-12-09 19:09:37,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:09:37 BoogieIcfgContainer [2018-12-09 19:09:37,177 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 19:09:37,177 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 19:09:37,177 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 19:09:37,177 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 19:09:37,178 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:09:28" (3/4) ... [2018-12-09 19:09:37,180 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 19:09:37,183 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 19:09:37,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 19:09:37,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 19:09:37,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-09 19:09:37,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-09 19:09:37,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 19:09:37,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-09 19:09:37,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 19:09:37,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 19:09:37,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 19:09:37,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 19:09:37,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 19:09:37,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 19:09:37,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 19:09:37,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 19:09:37,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-09 19:09:37,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-09 19:09:37,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 19:09:37,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 19:09:37,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 19:09:37,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 19:09:37,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 19:09:37,184 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 19:09:37,185 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 19:09:37,185 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 19:09:37,185 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 19:09:37,185 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 19:09:37,185 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 19:09:37,185 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 19:09:37,185 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-09 19:09:37,189 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-12-09 19:09:37,189 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 19:09:37,190 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 19:09:37,190 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 19:09:37,190 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 19:09:37,190 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 19:09:37,207 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || ((0 == pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) [2018-12-09 19:09:37,207 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 19:09:37,231 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_dc44d4e2-d8c6-42e9-850a-4735b1f899d7/bin-2019/utaipan/witness.graphml [2018-12-09 19:09:37,231 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 19:09:37,231 INFO L168 Benchmark]: Toolchain (without parser) took 9045.12 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 681.1 MB). Free memory was 953.5 MB in the beginning and 954.4 MB in the end (delta: -894.2 kB). Peak memory consumption was 680.2 MB. Max. memory is 11.5 GB. [2018-12-09 19:09:37,232 INFO L168 Benchmark]: CDTParser took 0.10 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 19:09:37,232 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -159.0 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-12-09 19:09:37,232 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.30 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 19:09:37,232 INFO L168 Benchmark]: Boogie Preprocessor took 22.09 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 19:09:37,232 INFO L168 Benchmark]: RCFGBuilder took 366.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.0 MB). Peak memory consumption was 54.0 MB. Max. memory is 11.5 GB. [2018-12-09 19:09:37,232 INFO L168 Benchmark]: TraceAbstraction took 8280.42 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 552.6 MB). Free memory was 1.1 GB in the beginning and 971.5 MB in the end (delta: 87.0 MB). Peak memory consumption was 639.6 MB. Max. memory is 11.5 GB. [2018-12-09 19:09:37,233 INFO L168 Benchmark]: Witness Printer took 53.93 ms. Allocated memory is still 1.7 GB. Free memory was 971.5 MB in the beginning and 954.4 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2018-12-09 19:09:37,233 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 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 299.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -159.0 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.30 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 22.09 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 366.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.0 MB). Peak memory consumption was 54.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8280.42 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 552.6 MB). Free memory was 1.1 GB in the beginning and 971.5 MB in the end (delta: 87.0 MB). Peak memory consumption was 639.6 MB. Max. memory is 11.5 GB. * Witness Printer took 53.93 ms. Allocated memory is still 1.7 GB. Free memory was 971.5 MB in the beginning and 954.4 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 381]: 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: 319]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || ((0 == pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) - InvariantResult [Line: 763]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 753]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 169 locations, 1 error locations. SAFE Result, 8.2s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 1.4s AutomataDifference, 0.0s DeadEndRemovalTime, 2.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2207 SDtfs, 1071 SDslu, 6395 SDs, 0 SdLazy, 1189 SolverSat, 98 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 657 GetRequests, 561 SyntacticMatches, 14 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 167 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1827occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.1s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 83 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 3726 PreInvPairs, 3953 NumberOfFragments, 1698 HoareAnnotationTreeSize, 3726 FomulaSimplifications, 2429 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 71 FomulaSimplificationsInter, 14080 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 1137 NumberOfCodeBlocks, 1137 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1406 ConstructedInterpolants, 0 QuantifiedInterpolants, 253361 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1679 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 166/174 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...