./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product48_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_86e744de-1be5-4dd9-9dc0-7a2d631241df/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_86e744de-1be5-4dd9-9dc0-7a2d631241df/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_86e744de-1be5-4dd9-9dc0-7a2d631241df/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_86e744de-1be5-4dd9-9dc0-7a2d631241df/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product48_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_86e744de-1be5-4dd9-9dc0-7a2d631241df/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_86e744de-1be5-4dd9-9dc0-7a2d631241df/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 79b21ff72ec330797470eae9e06bb1504f09bc51 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 00:32:41,609 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:32:41,610 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:32:41,616 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:32:41,616 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:32:41,616 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:32:41,617 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:32:41,618 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:32:41,618 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:32:41,619 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:32:41,619 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:32:41,619 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:32:41,620 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:32:41,620 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:32:41,621 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:32:41,621 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:32:41,622 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:32:41,622 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:32:41,623 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:32:41,624 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:32:41,624 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:32:41,625 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:32:41,626 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:32:41,626 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:32:41,626 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:32:41,627 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:32:41,627 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:32:41,627 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:32:41,628 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:32:41,628 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:32:41,628 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:32:41,629 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:32:41,629 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:32:41,629 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:32:41,629 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:32:41,630 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:32:41,630 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_86e744de-1be5-4dd9-9dc0-7a2d631241df/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 00:32:41,636 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:32:41,636 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:32:41,637 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:32:41,637 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 00:32:41,637 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 00:32:41,637 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 00:32:41,637 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 00:32:41,637 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 00:32:41,638 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 00:32:41,638 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 00:32:41,638 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 00:32:41,638 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 00:32:41,638 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 00:32:41,638 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:32:41,638 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:32:41,638 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:32:41,638 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:32:41,639 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:32:41,639 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:32:41,639 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:32:41,639 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:32:41,639 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:32:41,639 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:32:41,639 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:32:41,639 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:32:41,639 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 00:32:41,639 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:32:41,639 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 00:32:41,639 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 00:32:41,640 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:32:41,640 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:32:41,640 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:32:41,640 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 00:32:41,640 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:32:41,640 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:32:41,640 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 00:32:41,640 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_86e744de-1be5-4dd9-9dc0-7a2d631241df/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 -> 79b21ff72ec330797470eae9e06bb1504f09bc51 [2018-12-09 00:32:41,657 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:32:41,664 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:32:41,667 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:32:41,667 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:32:41,668 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:32:41,668 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_86e744de-1be5-4dd9-9dc0-7a2d631241df/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product48_true-unreach-call_false-termination.cil.c [2018-12-09 00:32:41,706 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_86e744de-1be5-4dd9-9dc0-7a2d631241df/bin-2019/utaipan/data/e5e0a1329/c1db303c0958492b956f2ef22ac549e0/FLAG02b12967f [2018-12-09 00:32:42,114 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:32:42,114 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_86e744de-1be5-4dd9-9dc0-7a2d631241df/sv-benchmarks/c/product-lines/minepump_spec1_product48_true-unreach-call_false-termination.cil.c [2018-12-09 00:32:42,120 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_86e744de-1be5-4dd9-9dc0-7a2d631241df/bin-2019/utaipan/data/e5e0a1329/c1db303c0958492b956f2ef22ac549e0/FLAG02b12967f [2018-12-09 00:32:42,128 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_86e744de-1be5-4dd9-9dc0-7a2d631241df/bin-2019/utaipan/data/e5e0a1329/c1db303c0958492b956f2ef22ac549e0 [2018-12-09 00:32:42,130 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:32:42,131 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:32:42,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:32:42,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:32:42,133 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:32:42,134 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:32:42" (1/1) ... [2018-12-09 00:32:42,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@527f3531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:32:42, skipping insertion in model container [2018-12-09 00:32:42,135 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:32:42" (1/1) ... [2018-12-09 00:32:42,139 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:32:42,160 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:32:42,306 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:32:42,315 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:32:42,389 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:32:42,404 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:32:42,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:32:42 WrapperNode [2018-12-09 00:32:42,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:32:42,405 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:32:42,405 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:32:42,405 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:32:42,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:32:42" (1/1) ... [2018-12-09 00:32:42,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:32:42" (1/1) ... [2018-12-09 00:32:42,425 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:32:42,426 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:32:42,426 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:32:42,426 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:32:42,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:32:42" (1/1) ... [2018-12-09 00:32:42,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:32:42" (1/1) ... [2018-12-09 00:32:42,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:32:42" (1/1) ... [2018-12-09 00:32:42,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:32:42" (1/1) ... [2018-12-09 00:32:42,441 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:32:42" (1/1) ... [2018-12-09 00:32:42,445 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:32:42" (1/1) ... [2018-12-09 00:32:42,446 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:32:42" (1/1) ... [2018-12-09 00:32:42,448 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:32:42,448 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:32:42,448 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:32:42,448 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:32:42,449 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:32:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86e744de-1be5-4dd9-9dc0-7a2d631241df/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 00:32:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 00:32:42,481 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 00:32:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 00:32:42,481 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 00:32:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-09 00:32:42,482 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-09 00:32:42,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 00:32:42,482 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 00:32:42,482 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 00:32:42,482 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 00:32:42,482 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 00:32:42,482 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 00:32:42,482 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 00:32:42,482 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 00:32:42,483 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 00:32:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 00:32:42,483 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 00:32:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 00:32:42,483 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 00:32:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 00:32:42,483 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 00:32:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 00:32:42,483 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 00:32:42,483 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 00:32:42,483 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 00:32:42,484 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 00:32:42,484 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 00:32:42,484 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 00:32:42,484 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 00:32:42,484 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-09 00:32:42,484 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-09 00:32:42,484 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 00:32:42,484 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 00:32:42,484 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 00:32:42,484 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 00:32:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 00:32:42,485 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 00:32:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 00:32:42,485 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-09 00:32:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 00:32:42,485 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 00:32:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 00:32:42,485 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 00:32:42,485 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 00:32:42,486 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 00:32:42,486 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 00:32:42,486 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 00:32:42,486 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-09 00:32:42,486 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-09 00:32:42,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 00:32:42,486 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 00:32:42,486 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 00:32:42,486 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 00:32:42,486 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 00:32:42,486 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 00:32:42,487 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 00:32:42,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:32:42,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:32:42,487 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-09 00:32:42,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-09 00:32:42,765 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:32:42,765 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 00:32:42,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:32:42 BoogieIcfgContainer [2018-12-09 00:32:42,765 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:32:42,766 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 00:32:42,766 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 00:32:42,768 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 00:32:42,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:32:42" (1/3) ... [2018-12-09 00:32:42,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@204c9f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:32:42, skipping insertion in model container [2018-12-09 00:32:42,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:32:42" (2/3) ... [2018-12-09 00:32:42,769 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@204c9f47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:32:42, skipping insertion in model container [2018-12-09 00:32:42,769 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:32:42" (3/3) ... [2018-12-09 00:32:42,770 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product48_true-unreach-call_false-termination.cil.c [2018-12-09 00:32:42,776 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 00:32:42,781 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 00:32:42,790 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 00:32:42,809 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 00:32:42,809 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 00:32:42,809 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 00:32:42,809 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 00:32:42,809 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 00:32:42,809 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 00:32:42,809 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 00:32:42,809 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 00:32:42,821 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2018-12-09 00:32:42,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-09 00:32:42,826 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:32:42,827 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:32:42,828 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:32:42,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:32:42,832 INFO L82 PathProgramCache]: Analyzing trace with hash -1039050909, now seen corresponding path program 1 times [2018-12-09 00:32:42,833 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:32:42,860 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:32:42,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:32:42,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:32:42,861 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:32:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:42,973 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 00:32:42,974 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:32:42,975 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 00:32:42,975 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:32:42,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 00:32:42,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 00:32:42,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 00:32:42,987 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 2 states. [2018-12-09 00:32:43,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:32:43,010 INFO L93 Difference]: Finished difference Result 280 states and 349 transitions. [2018-12-09 00:32:43,010 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 00:32:43,011 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-09 00:32:43,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:32:43,019 INFO L225 Difference]: With dead ends: 280 [2018-12-09 00:32:43,019 INFO L226 Difference]: Without dead ends: 140 [2018-12-09 00:32:43,021 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 00:32:43,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-12-09 00:32:43,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-12-09 00:32:43,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-12-09 00:32:43,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 166 transitions. [2018-12-09 00:32:43,052 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 166 transitions. Word has length 46 [2018-12-09 00:32:43,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:32:43,053 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 166 transitions. [2018-12-09 00:32:43,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 00:32:43,053 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 166 transitions. [2018-12-09 00:32:43,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 00:32:43,054 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:32:43,055 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 00:32:43,055 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:32:43,055 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:32:43,055 INFO L82 PathProgramCache]: Analyzing trace with hash -1886519307, now seen corresponding path program 1 times [2018-12-09 00:32:43,055 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:32:43,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:32:43,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:32:43,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:32:43,056 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:32:43,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:43,112 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 00:32:43,112 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:32:43,112 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 00:32:43,112 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:32:43,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 00:32:43,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 00:32:43,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 00:32:43,114 INFO L87 Difference]: Start difference. First operand 140 states and 166 transitions. Second operand 3 states. [2018-12-09 00:32:43,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:32:43,127 INFO L93 Difference]: Finished difference Result 219 states and 259 transitions. [2018-12-09 00:32:43,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 00:32:43,127 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-09 00:32:43,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:32:43,128 INFO L225 Difference]: With dead ends: 219 [2018-12-09 00:32:43,128 INFO L226 Difference]: Without dead ends: 131 [2018-12-09 00:32:43,129 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 00:32:43,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-12-09 00:32:43,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-12-09 00:32:43,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-12-09 00:32:43,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 154 transitions. [2018-12-09 00:32:43,137 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 154 transitions. Word has length 47 [2018-12-09 00:32:43,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:32:43,137 INFO L480 AbstractCegarLoop]: Abstraction has 131 states and 154 transitions. [2018-12-09 00:32:43,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 00:32:43,138 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 154 transitions. [2018-12-09 00:32:43,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 00:32:43,139 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:32:43,139 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 00:32:43,139 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:32:43,139 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:32:43,139 INFO L82 PathProgramCache]: Analyzing trace with hash -443527011, now seen corresponding path program 1 times [2018-12-09 00:32:43,139 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:32:43,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:32:43,140 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:32:43,140 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:32:43,140 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:32:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:43,202 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 00:32:43,202 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:32:43,202 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 00:32:43,202 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:32:43,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 00:32:43,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 00:32:43,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:32:43,203 INFO L87 Difference]: Start difference. First operand 131 states and 154 transitions. Second operand 7 states. [2018-12-09 00:32:43,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:32:43,453 INFO L93 Difference]: Finished difference Result 395 states and 482 transitions. [2018-12-09 00:32:43,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 00:32:43,454 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-09 00:32:43,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:32:43,455 INFO L225 Difference]: With dead ends: 395 [2018-12-09 00:32:43,455 INFO L226 Difference]: Without dead ends: 288 [2018-12-09 00:32:43,456 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 00:32:43,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2018-12-09 00:32:43,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 276. [2018-12-09 00:32:43,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 276 states. [2018-12-09 00:32:43,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 276 states and 336 transitions. [2018-12-09 00:32:43,475 INFO L78 Accepts]: Start accepts. Automaton has 276 states and 336 transitions. Word has length 52 [2018-12-09 00:32:43,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:32:43,476 INFO L480 AbstractCegarLoop]: Abstraction has 276 states and 336 transitions. [2018-12-09 00:32:43,476 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 00:32:43,476 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 336 transitions. [2018-12-09 00:32:43,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 00:32:43,477 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:32:43,477 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 00:32:43,477 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:32:43,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:32:43,477 INFO L82 PathProgramCache]: Analyzing trace with hash 1392303490, now seen corresponding path program 1 times [2018-12-09 00:32:43,478 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:32:43,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:32:43,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:32:43,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:32:43,478 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:32:43,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:43,542 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 00:32:43,542 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:32:43,542 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 00:32:43,542 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:32:43,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 00:32:43,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 00:32:43,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 00:32:43,543 INFO L87 Difference]: Start difference. First operand 276 states and 336 transitions. Second operand 6 states. [2018-12-09 00:32:43,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:32:43,669 INFO L93 Difference]: Finished difference Result 765 states and 956 transitions. [2018-12-09 00:32:43,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 00:32:43,669 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-12-09 00:32:43,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:32:43,672 INFO L225 Difference]: With dead ends: 765 [2018-12-09 00:32:43,672 INFO L226 Difference]: Without dead ends: 513 [2018-12-09 00:32:43,673 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 00:32:43,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2018-12-09 00:32:43,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 507. [2018-12-09 00:32:43,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 507 states. [2018-12-09 00:32:43,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 507 states and 622 transitions. [2018-12-09 00:32:43,705 INFO L78 Accepts]: Start accepts. Automaton has 507 states and 622 transitions. Word has length 57 [2018-12-09 00:32:43,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:32:43,705 INFO L480 AbstractCegarLoop]: Abstraction has 507 states and 622 transitions. [2018-12-09 00:32:43,705 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 00:32:43,705 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 622 transitions. [2018-12-09 00:32:43,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-09 00:32:43,707 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:32:43,707 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 00:32:43,707 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:32:43,707 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:32:43,707 INFO L82 PathProgramCache]: Analyzing trace with hash 85735846, now seen corresponding path program 1 times [2018-12-09 00:32:43,707 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:32:43,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:32:43,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:32:43,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:32:43,708 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:32:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:43,794 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 00:32:43,794 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:32:43,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 00:32:43,794 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:32:43,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 00:32:43,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 00:32:43,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 00:32:43,795 INFO L87 Difference]: Start difference. First operand 507 states and 622 transitions. Second operand 7 states. [2018-12-09 00:32:44,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:32:44,182 INFO L93 Difference]: Finished difference Result 1346 states and 1759 transitions. [2018-12-09 00:32:44,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 00:32:44,182 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-12-09 00:32:44,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:32:44,185 INFO L225 Difference]: With dead ends: 1346 [2018-12-09 00:32:44,185 INFO L226 Difference]: Without dead ends: 863 [2018-12-09 00:32:44,187 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-09 00:32:44,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2018-12-09 00:32:44,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 765. [2018-12-09 00:32:44,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 765 states. [2018-12-09 00:32:44,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 927 transitions. [2018-12-09 00:32:44,228 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 927 transitions. Word has length 61 [2018-12-09 00:32:44,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:32:44,228 INFO L480 AbstractCegarLoop]: Abstraction has 765 states and 927 transitions. [2018-12-09 00:32:44,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 00:32:44,228 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 927 transitions. [2018-12-09 00:32:44,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-09 00:32:44,230 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:32:44,230 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] [2018-12-09 00:32:44,230 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:32:44,230 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:32:44,230 INFO L82 PathProgramCache]: Analyzing trace with hash -1206568851, now seen corresponding path program 1 times [2018-12-09 00:32:44,230 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:32:44,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:32:44,231 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:32:44,231 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:32:44,231 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:32:44,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:44,292 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 00:32:44,292 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:32:44,292 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 00:32:44,292 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:32:44,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 00:32:44,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 00:32:44,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 00:32:44,293 INFO L87 Difference]: Start difference. First operand 765 states and 927 transitions. Second operand 4 states. [2018-12-09 00:32:44,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:32:44,503 INFO L93 Difference]: Finished difference Result 2836 states and 3648 transitions. [2018-12-09 00:32:44,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 00:32:44,503 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-12-09 00:32:44,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:32:44,511 INFO L225 Difference]: With dead ends: 2836 [2018-12-09 00:32:44,511 INFO L226 Difference]: Without dead ends: 2095 [2018-12-09 00:32:44,513 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 00:32:44,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2018-12-09 00:32:44,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 2049. [2018-12-09 00:32:44,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2049 states. [2018-12-09 00:32:44,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2049 states to 2049 states and 2569 transitions. [2018-12-09 00:32:44,575 INFO L78 Accepts]: Start accepts. Automaton has 2049 states and 2569 transitions. Word has length 99 [2018-12-09 00:32:44,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:32:44,576 INFO L480 AbstractCegarLoop]: Abstraction has 2049 states and 2569 transitions. [2018-12-09 00:32:44,576 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 00:32:44,576 INFO L276 IsEmpty]: Start isEmpty. Operand 2049 states and 2569 transitions. [2018-12-09 00:32:44,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-09 00:32:44,578 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:32:44,578 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] [2018-12-09 00:32:44,579 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:32:44,579 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:32:44,579 INFO L82 PathProgramCache]: Analyzing trace with hash -1198809492, now seen corresponding path program 1 times [2018-12-09 00:32:44,579 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:32:44,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:32:44,580 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:32:44,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:32:44,580 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:32:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:44,616 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 00:32:44,616 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:32:44,616 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 00:32:44,616 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:32:44,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 00:32:44,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 00:32:44,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 00:32:44,617 INFO L87 Difference]: Start difference. First operand 2049 states and 2569 transitions. Second operand 6 states. [2018-12-09 00:32:44,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:32:44,687 INFO L93 Difference]: Finished difference Result 4158 states and 5438 transitions. [2018-12-09 00:32:44,687 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 00:32:44,687 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-12-09 00:32:44,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:32:44,693 INFO L225 Difference]: With dead ends: 4158 [2018-12-09 00:32:44,693 INFO L226 Difference]: Without dead ends: 2133 [2018-12-09 00:32:44,697 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 00:32:44,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states. [2018-12-09 00:32:44,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 2109. [2018-12-09 00:32:44,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2109 states. [2018-12-09 00:32:44,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 2109 states and 2633 transitions. [2018-12-09 00:32:44,756 INFO L78 Accepts]: Start accepts. Automaton has 2109 states and 2633 transitions. Word has length 99 [2018-12-09 00:32:44,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:32:44,756 INFO L480 AbstractCegarLoop]: Abstraction has 2109 states and 2633 transitions. [2018-12-09 00:32:44,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 00:32:44,756 INFO L276 IsEmpty]: Start isEmpty. Operand 2109 states and 2633 transitions. [2018-12-09 00:32:44,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-09 00:32:44,758 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:32:44,759 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] [2018-12-09 00:32:44,759 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:32:44,759 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:32:44,759 INFO L82 PathProgramCache]: Analyzing trace with hash -305323154, now seen corresponding path program 1 times [2018-12-09 00:32:44,759 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:32:44,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:32:44,760 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:32:44,760 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:32:44,760 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:32:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:44,819 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 00:32:44,819 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 00:32:44,819 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 00:32:44,819 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:32:44,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 00:32:44,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 00:32:44,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 00:32:44,820 INFO L87 Difference]: Start difference. First operand 2109 states and 2633 transitions. Second operand 8 states. [2018-12-09 00:32:44,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:32:44,886 INFO L93 Difference]: Finished difference Result 3832 states and 4932 transitions. [2018-12-09 00:32:44,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 00:32:44,886 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2018-12-09 00:32:44,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:32:44,891 INFO L225 Difference]: With dead ends: 3832 [2018-12-09 00:32:44,892 INFO L226 Difference]: Without dead ends: 1747 [2018-12-09 00:32:44,895 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 00:32:44,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1747 states. [2018-12-09 00:32:44,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1747 to 1747. [2018-12-09 00:32:44,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1747 states. [2018-12-09 00:32:44,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1747 states and 2151 transitions. [2018-12-09 00:32:44,956 INFO L78 Accepts]: Start accepts. Automaton has 1747 states and 2151 transitions. Word has length 99 [2018-12-09 00:32:44,956 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:32:44,956 INFO L480 AbstractCegarLoop]: Abstraction has 1747 states and 2151 transitions. [2018-12-09 00:32:44,957 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 00:32:44,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2151 transitions. [2018-12-09 00:32:44,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 00:32:44,959 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:32:44,959 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 00:32:44,959 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:32:44,960 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:32:44,960 INFO L82 PathProgramCache]: Analyzing trace with hash 692991765, now seen corresponding path program 1 times [2018-12-09 00:32:44,960 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:32:44,960 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:32:44,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:32:44,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:32:44,961 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:32:44,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:45,060 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 00:32:45,061 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:32:45,061 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:32:45,061 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 104 with the following transitions: [2018-12-09 00:32:45,063 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [36], [46], [47], [48], [51], [53], [54], [57], [72], [75], [76], [80], [81], [83], [92], [96], [100], [103], [108], [111], [116], [122], [128], [136], [137], [138], [139], [140], [142], [147], [150], [151], [153], [158], [160], [161], [166], [168], [174], [178], [211], [212], [220], [228], [232], [233], [236], [238], [241], [243], [246], [255], [256], [257], [258], [259], [260], [261], [262], [263], [265], [266], [267], [268], [275], [277], [278], [285], [286], [287], [288], [289], [290], [295], [299], [300], [301], [302], [303], [304], [307], [308], [309], [315], [316], [317], [319], [320], [321], [322], [323] [2018-12-09 00:32:45,087 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:32:45,087 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:32:45,383 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 00:32:45,384 INFO L272 AbstractInterpreter]: Visited 101 different actions 103 times. Never merged. Never widened. Performed 3248 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3248 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-12-09 00:32:45,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:32:45,389 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 00:32:45,389 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:32:45,389 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86e744de-1be5-4dd9-9dc0-7a2d631241df/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 00:32:45,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:32:45,397 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 00:32:45,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:45,476 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:32:45,589 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 00:32:45,589 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 00:32:46,082 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 00:32:46,109 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 00:32:46,109 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-09 00:32:46,109 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:32:46,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 00:32:46,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 00:32:46,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 00:32:46,110 INFO L87 Difference]: Start difference. First operand 1747 states and 2151 transitions. Second operand 8 states. [2018-12-09 00:32:46,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:32:46,315 INFO L93 Difference]: Finished difference Result 3444 states and 4258 transitions. [2018-12-09 00:32:46,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 00:32:46,315 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2018-12-09 00:32:46,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:32:46,320 INFO L225 Difference]: With dead ends: 3444 [2018-12-09 00:32:46,320 INFO L226 Difference]: Without dead ends: 1721 [2018-12-09 00:32:46,323 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 189 SyntacticMatches, 7 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 00:32:46,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1721 states. [2018-12-09 00:32:46,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1721 to 1721. [2018-12-09 00:32:46,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1721 states. [2018-12-09 00:32:46,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1721 states and 2075 transitions. [2018-12-09 00:32:46,382 INFO L78 Accepts]: Start accepts. Automaton has 1721 states and 2075 transitions. Word has length 103 [2018-12-09 00:32:46,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:32:46,382 INFO L480 AbstractCegarLoop]: Abstraction has 1721 states and 2075 transitions. [2018-12-09 00:32:46,382 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 00:32:46,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 2075 transitions. [2018-12-09 00:32:46,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-09 00:32:46,386 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 00:32:46,386 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:32:46,386 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 00:32:46,386 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:32:46,386 INFO L82 PathProgramCache]: Analyzing trace with hash -2090589296, now seen corresponding path program 1 times [2018-12-09 00:32:46,386 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 00:32:46,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:32:46,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:32:46,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 00:32:46,387 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 00:32:46,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:46,486 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 00:32:46,486 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:32:46,486 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 00:32:46,486 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-12-09 00:32:46,486 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [21], [23], [26], [33], [36], [46], [47], [48], [51], [53], [54], [57], [60], [62], [68], [72], [75], [76], [80], [81], [82], [83], [92], [96], [100], [103], [106], [108], [111], [114], [116], [122], [128], [136], [137], [138], [139], [140], [142], [147], [150], [151], [153], [158], [160], [161], [166], [168], [171], [174], [178], [184], [211], [212], [215], [219], [220], [228], [232], [233], [236], [238], [241], [243], [246], [252], [254], [255], [256], [257], [258], [259], [260], [261], [262], [263], [265], [266], [267], [268], [271], [272], [275], [277], [278], [279], [280], [283], [284], [285], [286], [287], [288], [289], [290], [295], [296], [299], [300], [301], [302], [303], [304], [305], [306], [307], [308], [309], [310], [315], [316], [317], [319], [320], [321], [322], [323] [2018-12-09 00:32:46,489 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 00:32:46,489 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 00:32:47,967 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 00:32:47,967 INFO L272 AbstractInterpreter]: Visited 124 different actions 921 times. Merged at 18 different actions 82 times. Never widened. Performed 39163 root evaluator evaluations with a maximum evaluation depth of 3. Performed 39163 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 20 fixpoints after 6 different actions. Largest state had 133 variables. [2018-12-09 00:32:47,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:32:47,969 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 00:32:47,969 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 00:32:47,969 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_86e744de-1be5-4dd9-9dc0-7a2d631241df/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 00:32:47,975 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 00:32:47,975 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 00:32:48,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:32:48,056 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 00:32:48,154 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 00:32:48,154 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 00:32:48,442 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 00:32:48,457 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 00:32:48,457 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2018-12-09 00:32:48,457 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 00:32:48,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 00:32:48,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 00:32:48,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-12-09 00:32:48,458 INFO L87 Difference]: Start difference. First operand 1721 states and 2075 transitions. Second operand 8 states. [2018-12-09 00:32:48,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 00:32:48,630 INFO L93 Difference]: Finished difference Result 2939 states and 3601 transitions. [2018-12-09 00:32:48,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 00:32:48,631 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 155 [2018-12-09 00:32:48,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 00:32:48,631 INFO L225 Difference]: With dead ends: 2939 [2018-12-09 00:32:48,631 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 00:32:48,637 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 295 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 00:32:48,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 00:32:48,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 00:32:48,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 00:32:48,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 00:32:48,638 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2018-12-09 00:32:48,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 00:32:48,638 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 00:32:48,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 00:32:48,638 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 00:32:48,638 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 00:32:48,642 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 00:32:48,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:32:48,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:32:48,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:32:48,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:32:48,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:32:48,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:32:48,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:32:48,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:32:48,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:32:49,001 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:32:49,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:32:49,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:32:49,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:32:49,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:32:49,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:32:49,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:32:49,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:32:49,054 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 00:32:50,100 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 33 [2018-12-09 00:32:50,879 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 32 [2018-12-09 00:32:50,912 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 955 961) the Hoare annotation is: true [2018-12-09 00:32:50,912 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 955 961) no Hoare annotation was computed. [2018-12-09 00:32:50,912 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 962 970) no Hoare annotation was computed. [2018-12-09 00:32:50,912 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 962 970) the Hoare annotation is: true [2018-12-09 00:32:50,912 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 962 970) no Hoare annotation was computed. [2018-12-09 00:32:50,912 INFO L444 ceAbstractionStarter]: At program point L225(line 225) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:32:50,912 INFO L444 ceAbstractionStarter]: At program point L225-1(line 225) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:32:50,912 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 219 241) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:32:50,912 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 219 241) no Hoare annotation was computed. [2018-12-09 00:32:50,913 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 219 241) no Hoare annotation was computed. [2018-12-09 00:32:50,913 INFO L444 ceAbstractionStarter]: At program point L231(line 231) 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)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 00:32:50,913 INFO L444 ceAbstractionStarter]: At program point L231-1(line 231) 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)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-12-09 00:32:50,913 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 236) no Hoare annotation was computed. [2018-12-09 00:32:50,913 INFO L448 ceAbstractionStarter]: For program point L229-1(lines 229 236) no Hoare annotation was computed. [2018-12-09 00:32:50,913 INFO L448 ceAbstractionStarter]: For program point L227(line 227) no Hoare annotation was computed. [2018-12-09 00:32:50,913 INFO L444 ceAbstractionStarter]: At program point L226(line 226) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:32:50,913 INFO L444 ceAbstractionStarter]: At program point L695(line 695) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (< ~methaneLevelCritical~0 1) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2))) [2018-12-09 00:32:50,913 INFO L448 ceAbstractionStarter]: For program point L695-1(lines 676 700) no Hoare annotation was computed. [2018-12-09 00:32:50,913 INFO L444 ceAbstractionStarter]: At program point L690(line 690) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 processEnvironment__wrappee__methaneQuery_~tmp~5)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (and (= 0 ~pumpRunning~0) .cse1 .cse2)))) [2018-12-09 00:32:50,913 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 676 700) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2018-12-09 00:32:50,913 INFO L444 ceAbstractionStarter]: At program point L686(line 686) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (and .cse0 .cse1) (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or .cse2 (and (= 0 ~pumpRunning~0) .cse1) .cse3) (or .cse2 .cse0 .cse3))) [2018-12-09 00:32:50,913 INFO L448 ceAbstractionStarter]: For program point L684(lines 684 692) no Hoare annotation was computed. [2018-12-09 00:32:50,913 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 676 700) no Hoare annotation was computed. [2018-12-09 00:32:50,913 INFO L444 ceAbstractionStarter]: At program point L682(line 682) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0))) (and (or (and (= 0 ~pumpRunning~0) .cse0) .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (< ~methaneLevelCritical~0 1) (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2018-12-09 00:32:50,913 INFO L448 ceAbstractionStarter]: For program point L682-1(line 682) no Hoare annotation was computed. [2018-12-09 00:32:50,914 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 697) no Hoare annotation was computed. [2018-12-09 00:32:50,914 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 835 849) no Hoare annotation was computed. [2018-12-09 00:32:50,914 INFO L444 ceAbstractionStarter]: At program point L841(line 841) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 1)) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse5 (= |old(~systemActive~0)| 0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3) (or .cse1 .cse2 .cse4) (or .cse0 .cse5 .cse6) (or .cse3 .cse4) (or .cse6 .cse5 .cse4))) [2018-12-09 00:32:50,914 INFO L448 ceAbstractionStarter]: For program point L839(lines 839 845) no Hoare annotation was computed. [2018-12-09 00:32:50,914 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 835 849) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (= ~systemActive~0 1)) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (and (not (= ~systemActive~0 0)) .cse5)) (.cse6 (= |old(~systemActive~0)| 0)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (or .cse3 .cse4) .cse5) (or .cse1 .cse2 .cse4) (or .cse0 .cse6 .cse7) (or .cse0 .cse5 .cse3) (or .cse7 .cse6 .cse4)))) [2018-12-09 00:32:50,914 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 835 849) no Hoare annotation was computed. [2018-12-09 00:32:50,914 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 771 779) no Hoare annotation was computed. [2018-12-09 00:32:50,914 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 771 779) the Hoare annotation is: true [2018-12-09 00:32:50,914 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 771 779) no Hoare annotation was computed. [2018-12-09 00:32:50,914 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 948 954) no Hoare annotation was computed. [2018-12-09 00:32:50,914 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 948 954) the Hoare annotation is: true [2018-12-09 00:32:50,914 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 206 215) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:32:50,914 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 206 215) no Hoare annotation was computed. [2018-12-09 00:32:50,914 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 206 215) no Hoare annotation was computed. [2018-12-09 00:32:50,914 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 760 770) the Hoare annotation is: true [2018-12-09 00:32:50,914 INFO L451 ceAbstractionStarter]: At program point L765(line 765) the Hoare annotation is: true [2018-12-09 00:32:50,914 INFO L448 ceAbstractionStarter]: For program point L765-1(line 765) no Hoare annotation was computed. [2018-12-09 00:32:50,914 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 760 770) no Hoare annotation was computed. [2018-12-09 00:32:50,914 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 760 770) no Hoare annotation was computed. [2018-12-09 00:32:50,914 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 752 759) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse1 .cse0))) [2018-12-09 00:32:50,915 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 752 759) no Hoare annotation was computed. [2018-12-09 00:32:50,915 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 752 759) no Hoare annotation was computed. [2018-12-09 00:32:50,915 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 702 726) no Hoare annotation was computed. [2018-12-09 00:32:50,915 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 702 726) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse1 .cse0))) [2018-12-09 00:32:50,915 INFO L444 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (< ~methaneLevelCritical~0 1) .cse1))) [2018-12-09 00:32:50,915 INFO L448 ceAbstractionStarter]: For program point L721-1(lines 702 726) no Hoare annotation was computed. [2018-12-09 00:32:50,915 INFO L444 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 .cse1) (or (< ~methaneLevelCritical~0 1) .cse0))) [2018-12-09 00:32:50,915 INFO L444 ceAbstractionStarter]: At program point L712(line 712) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse1 .cse2) (or (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~6) .cse4) .cse3 .cse1))) [2018-12-09 00:32:50,915 INFO L448 ceAbstractionStarter]: For program point L710(lines 710 718) no Hoare annotation was computed. [2018-12-09 00:32:50,915 INFO L444 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (< ~methaneLevelCritical~0 1)) (.cse1 (= ~systemActive~0 0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse1 .cse2) (or .cse3 .cse1 .cse4))) [2018-12-09 00:32:50,915 INFO L448 ceAbstractionStarter]: For program point L708-1(line 708) no Hoare annotation was computed. [2018-12-09 00:32:50,915 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 723) no Hoare annotation was computed. [2018-12-09 00:32:50,915 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2018-12-09 00:32:50,915 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2018-12-09 00:32:50,915 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-12-09 00:32:50,915 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2018-12-09 00:32:50,915 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 668 674) no Hoare annotation was computed. [2018-12-09 00:32:50,915 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 668 674) the Hoare annotation is: true [2018-12-09 00:32:50,915 INFO L448 ceAbstractionStarter]: For program point L898-1(lines 898 904) no Hoare annotation was computed. [2018-12-09 00:32:50,915 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 868 935) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 00:32:50,916 INFO L444 ceAbstractionStarter]: At program point L925(lines 878 927) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse2) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 00:32:50,916 INFO L444 ceAbstractionStarter]: At program point L890(line 890) 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 00:32:50,916 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 894) no Hoare annotation was computed. [2018-12-09 00:32:50,916 INFO L448 ceAbstractionStarter]: For program point L888-1(lines 888 894) no Hoare annotation was computed. [2018-12-09 00:32:50,916 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 868 935) no Hoare annotation was computed. [2018-12-09 00:32:50,916 INFO L448 ceAbstractionStarter]: For program point L880(lines 880 884) no Hoare annotation was computed. [2018-12-09 00:32:50,916 INFO L444 ceAbstractionStarter]: At program point L928(lines 877 929) 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 00:32:50,916 INFO L444 ceAbstractionStarter]: At program point L918(line 918) 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 00:32:50,916 INFO L448 ceAbstractionStarter]: For program point L916(lines 916 922) no Hoare annotation was computed. [2018-12-09 00:32:50,916 INFO L444 ceAbstractionStarter]: At program point L916-1(lines 908 923) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (not (= ~systemActive~0 0))) (.cse4 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse3 .cse4 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse2) (and .cse4 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 00:32:50,916 INFO L448 ceAbstractionStarter]: For program point L879(lines 878 927) no Hoare annotation was computed. [2018-12-09 00:32:50,916 INFO L444 ceAbstractionStarter]: At program point L910(line 910) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (and (<= 1 ~methaneLevelCritical~0) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 00:32:50,916 INFO L448 ceAbstractionStarter]: For program point L908(lines 908 923) no Hoare annotation was computed. [2018-12-09 00:32:50,916 INFO L444 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (not (= ~systemActive~0 0)) .cse2) (and .cse1 (<= 1 ~methaneLevelCritical~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 00:32:50,916 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 868 935) no Hoare annotation was computed. [2018-12-09 00:32:50,916 INFO L448 ceAbstractionStarter]: For program point L898(lines 898 904) no Hoare annotation was computed. [2018-12-09 00:32:50,916 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 727 734) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) [2018-12-09 00:32:50,916 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 727 734) no Hoare annotation was computed. [2018-12-09 00:32:50,917 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 727 734) no Hoare annotation was computed. [2018-12-09 00:32:50,917 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:32:50,917 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-09 00:32:50,917 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:32:50,917 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 735 751) no Hoare annotation was computed. [2018-12-09 00:32:50,917 INFO L444 ceAbstractionStarter]: At program point L746(line 746) 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 .cse0 .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))))) [2018-12-09 00:32:50,917 INFO L448 ceAbstractionStarter]: For program point L746-1(lines 735 751) no Hoare annotation was computed. [2018-12-09 00:32:50,917 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 735 751) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse3 .cse1 .cse2))) [2018-12-09 00:32:50,917 INFO L448 ceAbstractionStarter]: For program point L742(lines 742 748) no Hoare annotation was computed. [2018-12-09 00:32:50,917 INFO L444 ceAbstractionStarter]: At program point L740(line 740) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (< ~methaneLevelCritical~0 1) .cse0 .cse3 .cse1 .cse2))) [2018-12-09 00:32:50,917 INFO L448 ceAbstractionStarter]: For program point L740-1(line 740) no Hoare annotation was computed. [2018-12-09 00:32:50,917 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 816 834) no Hoare annotation was computed. [2018-12-09 00:32:50,917 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 829) no Hoare annotation was computed. [2018-12-09 00:32:50,917 INFO L451 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: true [2018-12-09 00:32:50,917 INFO L448 ceAbstractionStarter]: For program point L825-2(lines 825 829) no Hoare annotation was computed. [2018-12-09 00:32:50,917 INFO L448 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2018-12-09 00:32:50,917 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 816 834) the Hoare annotation is: true [2018-12-09 00:32:50,917 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 816 834) no Hoare annotation was computed. [2018-12-09 00:32:50,917 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-12-09 00:32:50,917 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) 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 .cse0 .cse1 .cse2) (or .cse2 (= ~systemActive~0 0) .cse1))) [2018-12-09 00:32:50,917 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-12-09 00:32:50,918 INFO L444 ceAbstractionStarter]: At program point L657(line 657) the Hoare annotation is: (let ((.cse7 (= ~systemActive~0 0)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= |old(~waterLevel~0)| 1))) (let ((.cse4 (= 1 ~waterLevel~0)) (.cse5 (not .cse1)) (.cse2 (not (= ~waterLevel~0 1))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse9 (and (not .cse7) .cse6)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8) (or .cse4 .cse3 .cse5 .cse8) (or .cse0 .cse7 .cse6) (or .cse1 .cse3 .cse2 .cse8) (or .cse9 .cse0 .cse3) (or .cse9 .cse3 .cse8)))) [2018-12-09 00:32:50,918 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 644 667) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not .cse7)) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse5 (= ~systemActive~0 0)) (.cse8 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse0 .cse5 .cse4) (or .cse7 (and .cse8 .cse4) .cse1 .cse6) (or .cse0 .cse1 .cse4) (or .cse0 .cse7 .cse1 .cse8) (or .cse1 .cse3 .cse6 (and .cse2 .cse4)) (or .cse7 .cse8 .cse5 .cse6) (or .cse0 .cse7 .cse5 .cse8)))) [2018-12-09 00:32:50,918 INFO L444 ceAbstractionStarter]: At program point L655(lines 655 661) the Hoare annotation is: (let ((.cse6 (= ~systemActive~0 0)) (.cse10 (not (= ~waterLevel~0 1))) (.cse9 (= |old(~waterLevel~0)| 1))) (let ((.cse3 (not .cse9)) (.cse2 (= 1 ~waterLevel~0)) (.cse0 (< ~methaneLevelCritical~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (and (not .cse6) .cse10)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse3 .cse4 .cse2) (or .cse5 .cse0 .cse6) (or .cse1 .cse7 .cse4 .cse8) (or .cse0 .cse1 .cse8) (or .cse0 .cse9 .cse1 .cse10) (or .cse9 .cse10 .cse1 .cse4) (or .cse8 .cse6 .cse7 .cse4 .cse5)))) [2018-12-09 00:32:50,919 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 644 667) no Hoare annotation was computed. [2018-12-09 00:32:50,919 INFO L444 ceAbstractionStarter]: At program point L650(line 650) the Hoare annotation is: (let ((.cse3 (< ~methaneLevelCritical~0 1)) (.cse1 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4) (or .cse3 .cse1 .cse0) (or .cse4 .cse2))) [2018-12-09 00:32:50,919 INFO L448 ceAbstractionStarter]: For program point L648(lines 647 666) no Hoare annotation was computed. [2018-12-09 00:32:50,919 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 644 667) no Hoare annotation was computed. [2018-12-09 00:32:50,919 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 143 172) no Hoare annotation was computed. [2018-12-09 00:32:50,919 INFO L448 ceAbstractionStarter]: For program point L157(lines 157 161) no Hoare annotation was computed. [2018-12-09 00:32:50,919 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 143 172) the Hoare annotation is: true [2018-12-09 00:32:50,919 INFO L451 ceAbstractionStarter]: At program point L157-1(lines 157 161) the Hoare annotation is: true [2018-12-09 00:32:50,919 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-09 00:32:50,919 INFO L451 ceAbstractionStarter]: At program point L153-2(lines 153 167) the Hoare annotation is: true [2018-12-09 00:32:50,919 INFO L451 ceAbstractionStarter]: At program point L149(line 149) the Hoare annotation is: true [2018-12-09 00:32:50,919 INFO L448 ceAbstractionStarter]: For program point L149-1(line 149) no Hoare annotation was computed. [2018-12-09 00:32:50,919 INFO L451 ceAbstractionStarter]: At program point L168(lines 143 172) the Hoare annotation is: true [2018-12-09 00:32:50,919 INFO L448 ceAbstractionStarter]: For program point L164(line 164) no Hoare annotation was computed. [2018-12-09 00:32:50,919 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-12-09 00:32:50,919 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-12-09 00:32:50,919 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-12-09 00:32:50,919 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2018-12-09 00:32:50,919 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-12-09 00:32:50,919 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-12-09 00:32:50,919 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 198 204) no Hoare annotation was computed. [2018-12-09 00:32:50,919 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 198 204) the Hoare annotation is: true [2018-12-09 00:32:50,919 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 00:32:50,920 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 00:32:50,920 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 00:32:50,920 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 00:32:50,920 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 850 857) no Hoare annotation was computed. [2018-12-09 00:32:50,920 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 850 857) the Hoare annotation is: true [2018-12-09 00:32:50,920 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 850 857) no Hoare annotation was computed. [2018-12-09 00:32:50,920 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-12-09 00:32:50,920 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-12-09 00:32:50,920 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 1 ~waterLevel~0)) (.cse1 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or (< ~methaneLevelCritical~0 1) .cse0 .cse2 .cse1))) [2018-12-09 00:32:50,920 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 859 866) no Hoare annotation was computed. [2018-12-09 00:32:50,920 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 863) no Hoare annotation was computed. [2018-12-09 00:32:50,920 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 859 866) the Hoare annotation is: true [2018-12-09 00:32:50,920 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 859 866) no Hoare annotation was computed. [2018-12-09 00:32:50,920 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 611 635) the Hoare annotation is: true [2018-12-09 00:32:50,920 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 611 635) no Hoare annotation was computed. [2018-12-09 00:32:50,920 INFO L444 ceAbstractionStarter]: At program point L625(line 625) 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 00:32:50,920 INFO L448 ceAbstractionStarter]: For program point L623(lines 623 629) no Hoare annotation was computed. [2018-12-09 00:32:50,920 INFO L444 ceAbstractionStarter]: At program point L621(line 621) 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 00:32:50,920 INFO L448 ceAbstractionStarter]: For program point L621-1(line 621) no Hoare annotation was computed. [2018-12-09 00:32:50,920 INFO L448 ceAbstractionStarter]: For program point L619(lines 619 632) no Hoare annotation was computed. [2018-12-09 00:32:50,920 INFO L448 ceAbstractionStarter]: For program point L619-1(lines 611 635) no Hoare annotation was computed. [2018-12-09 00:32:50,921 INFO L451 ceAbstractionStarter]: At program point L617(line 617) the Hoare annotation is: true [2018-12-09 00:32:50,921 INFO L448 ceAbstractionStarter]: For program point L617-1(line 617) no Hoare annotation was computed. [2018-12-09 00:32:50,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:32:50 BoogieIcfgContainer [2018-12-09 00:32:50,928 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 00:32:50,928 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:32:50,928 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:32:50,928 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:32:50,929 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:32:42" (3/4) ... [2018-12-09 00:32:50,931 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 00:32:50,935 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 00:32:50,935 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 00:32:50,935 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 00:32:50,935 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-09 00:32:50,935 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-09 00:32:50,935 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 00:32:50,935 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 00:32:50,935 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 00:32:50,935 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 00:32:50,935 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 00:32:50,935 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 00:32:50,935 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 00:32:50,935 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 00:32:50,935 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 00:32:50,935 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-09 00:32:50,935 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 00:32:50,935 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 00:32:50,935 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 00:32:50,936 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 00:32:50,936 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 00:32:50,936 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 00:32:50,936 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 00:32:50,936 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 00:32:50,936 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 00:32:50,936 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-09 00:32:50,936 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 00:32:50,936 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 00:32:50,936 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-09 00:32:50,940 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-09 00:32:50,940 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 00:32:50,941 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-09 00:32:50,941 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-09 00:32:50,941 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 00:32:50,941 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 00:32:50,957 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(systemActive) == 1) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || ((0 == pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 00:32:50,957 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 00:32:50,978 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_86e744de-1be5-4dd9-9dc0-7a2d631241df/bin-2019/utaipan/witness.graphml [2018-12-09 00:32:50,978 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:32:50,979 INFO L168 Benchmark]: Toolchain (without parser) took 8848.36 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 616.0 MB). Free memory was 951.3 MB in the beginning and 930.4 MB in the end (delta: 20.9 MB). Peak memory consumption was 636.9 MB. Max. memory is 11.5 GB. [2018-12-09 00:32:50,979 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:32:50,979 INFO L168 Benchmark]: CACSL2BoogieTranslator took 273.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -148.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. [2018-12-09 00:32:50,979 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.52 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:32:50,979 INFO L168 Benchmark]: Boogie Preprocessor took 22.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:32:50,979 INFO L168 Benchmark]: RCFGBuilder took 317.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 48.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 11.5 GB. [2018-12-09 00:32:50,980 INFO L168 Benchmark]: TraceAbstraction took 8162.05 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 500.2 MB). Free memory was 1.1 GB in the beginning and 947.3 MB in the end (delta: 103.7 MB). Peak memory consumption was 603.9 MB. Max. memory is 11.5 GB. [2018-12-09 00:32:50,980 INFO L168 Benchmark]: Witness Printer took 50.00 ms. Allocated memory is still 1.6 GB. Free memory was 947.3 MB in the beginning and 930.4 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. [2018-12-09 00:32:50,981 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 273.62 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -148.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.52 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.31 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 317.22 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 48.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8162.05 ms. Allocated memory was 1.1 GB in the beginning and 1.6 GB in the end (delta: 500.2 MB). Free memory was 1.1 GB in the beginning and 947.3 MB in the end (delta: 103.7 MB). Peak memory consumption was 603.9 MB. Max. memory is 11.5 GB. * Witness Printer took 50.00 ms. Allocated memory is still 1.6 GB. Free memory was 947.3 MB in the beginning and 930.4 MB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 863]: 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: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 878]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || ((0 == pumpRunning && 1 <= methaneLevelCritical) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 153 locations, 1 error locations. SAFE Result, 8.1s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 2.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1944 SDtfs, 981 SDslu, 4637 SDs, 0 SdLazy, 1441 SolverSat, 142 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 616 GetRequests, 517 SyntacticMatches, 13 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 176 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2109occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.8s AbstIntTime, 2 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 186 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 4398 PreInvPairs, 4655 NumberOfFragments, 1810 HoareAnnotationTreeSize, 4398 FomulaSimplifications, 4311 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 65 FomulaSimplificationsInter, 14133 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 1076 NumberOfCodeBlocks, 1076 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1320 ConstructedInterpolants, 0 QuantifiedInterpolants, 225382 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1637 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 157/165 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...