./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product45_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_40b14468-9e54-4314-9600-c94fdddb0b14/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_40b14468-9e54-4314-9600-c94fdddb0b14/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_40b14468-9e54-4314-9600-c94fdddb0b14/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_40b14468-9e54-4314-9600-c94fdddb0b14/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product45_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_40b14468-9e54-4314-9600-c94fdddb0b14/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_40b14468-9e54-4314-9600-c94fdddb0b14/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 37cb317c3bc7664ed231fa78380e175cc6a4d8af ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 01:33:18,663 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:33:18,665 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:33:18,673 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:33:18,673 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:33:18,674 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:33:18,675 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:33:18,676 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:33:18,677 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:33:18,678 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:33:18,678 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:33:18,679 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:33:18,679 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:33:18,680 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:33:18,681 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:33:18,681 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:33:18,682 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:33:18,684 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:33:18,685 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:33:18,686 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:33:18,687 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:33:18,688 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:33:18,689 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:33:18,689 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:33:18,690 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:33:18,690 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:33:18,691 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:33:18,692 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:33:18,692 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:33:18,693 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:33:18,693 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:33:18,694 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:33:18,694 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:33:18,694 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:33:18,695 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:33:18,696 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:33:18,696 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_40b14468-9e54-4314-9600-c94fdddb0b14/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 01:33:18,706 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:33:18,706 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:33:18,707 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:33:18,707 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 01:33:18,707 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 01:33:18,708 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 01:33:18,708 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 01:33:18,708 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 01:33:18,708 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 01:33:18,708 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 01:33:18,708 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 01:33:18,708 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 01:33:18,708 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 01:33:18,709 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:33:18,709 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 01:33:18,709 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:33:18,709 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 01:33:18,709 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:33:18,710 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:33:18,710 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:33:18,710 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:33:18,710 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 01:33:18,710 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:33:18,710 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:33:18,712 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:33:18,712 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:33:18,712 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 01:33:18,713 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:33:18,713 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 01:33:18,713 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:33:18,713 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:33:18,713 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:33:18,713 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:33:18,713 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 01:33:18,714 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:33:18,714 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:33:18,714 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 01:33:18,714 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_40b14468-9e54-4314-9600-c94fdddb0b14/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 -> 37cb317c3bc7664ed231fa78380e175cc6a4d8af [2018-11-23 01:33:18,736 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:33:18,745 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:33:18,748 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:33:18,749 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:33:18,749 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:33:18,750 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_40b14468-9e54-4314-9600-c94fdddb0b14/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product45_true-unreach-call_false-termination.cil.c [2018-11-23 01:33:18,793 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_40b14468-9e54-4314-9600-c94fdddb0b14/bin-2019/utaipan/data/0799455a3/6b8b35e81fae4366aaa65a75087d032d/FLAG8bb0769de [2018-11-23 01:33:19,219 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:33:19,219 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_40b14468-9e54-4314-9600-c94fdddb0b14/sv-benchmarks/c/product-lines/minepump_spec5_product45_true-unreach-call_false-termination.cil.c [2018-11-23 01:33:19,225 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_40b14468-9e54-4314-9600-c94fdddb0b14/bin-2019/utaipan/data/0799455a3/6b8b35e81fae4366aaa65a75087d032d/FLAG8bb0769de [2018-11-23 01:33:19,234 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_40b14468-9e54-4314-9600-c94fdddb0b14/bin-2019/utaipan/data/0799455a3/6b8b35e81fae4366aaa65a75087d032d [2018-11-23 01:33:19,237 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:33:19,238 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:33:19,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:33:19,239 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:33:19,242 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:33:19,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:33:19" (1/1) ... [2018-11-23 01:33:19,244 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f50e16 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:19, skipping insertion in model container [2018-11-23 01:33:19,245 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:33:19" (1/1) ... [2018-11-23 01:33:19,253 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:33:19,285 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:33:19,480 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:33:19,489 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:33:19,584 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:33:19,601 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:33:19,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:19 WrapperNode [2018-11-23 01:33:19,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:33:19,602 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:33:19,602 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:33:19,602 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:33:19,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:19" (1/1) ... [2018-11-23 01:33:19,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:19" (1/1) ... [2018-11-23 01:33:19,622 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:33:19,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:33:19,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:33:19,622 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:33:19,628 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:19" (1/1) ... [2018-11-23 01:33:19,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:19" (1/1) ... [2018-11-23 01:33:19,631 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:19" (1/1) ... [2018-11-23 01:33:19,631 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:19" (1/1) ... [2018-11-23 01:33:19,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:19" (1/1) ... [2018-11-23 01:33:19,646 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:19" (1/1) ... [2018-11-23 01:33:19,648 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:19" (1/1) ... [2018-11-23 01:33:19,650 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:33:19,651 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:33:19,651 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:33:19,651 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:33:19,652 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_40b14468-9e54-4314-9600-c94fdddb0b14/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 [2018-11-23 01:33:19,686 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 01:33:19,686 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 01:33:19,686 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 01:33:19,686 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 01:33:19,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 01:33:19,686 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 01:33:19,686 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 01:33:19,686 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 01:33:19,687 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 01:33:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 01:33:19,687 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 01:33:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 01:33:19,687 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 01:33:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 01:33:19,687 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 01:33:19,687 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 01:33:19,687 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 01:33:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 01:33:19,688 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 01:33:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 01:33:19,688 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 01:33:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 01:33:19,688 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 01:33:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 01:33:19,688 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 01:33:19,688 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 01:33:19,689 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 01:33:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 01:33:19,689 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 01:33:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 01:33:19,689 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 01:33:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 01:33:19,689 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 01:33:19,689 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 01:33:19,690 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 01:33:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-23 01:33:19,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-23 01:33:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-23 01:33:19,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-23 01:33:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-23 01:33:19,690 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-23 01:33:19,690 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 01:33:19,691 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-23 01:33:19,691 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 01:33:19,691 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 01:33:19,691 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 01:33:19,691 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 01:33:19,691 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 01:33:19,691 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 01:33:19,691 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 01:33:19,691 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 01:33:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-11-23 01:33:19,692 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-11-23 01:33:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 01:33:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 01:33:19,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 01:33:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 01:33:19,692 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 01:33:19,692 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 01:33:19,692 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 01:33:19,693 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:33:19,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:33:20,047 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:33:20,047 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 01:33:20,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:33:20 BoogieIcfgContainer [2018-11-23 01:33:20,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:33:20,048 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 01:33:20,048 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 01:33:20,050 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 01:33:20,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:33:19" (1/3) ... [2018-11-23 01:33:20,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@774151a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:33:20, skipping insertion in model container [2018-11-23 01:33:20,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:33:19" (2/3) ... [2018-11-23 01:33:20,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@774151a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:33:20, skipping insertion in model container [2018-11-23 01:33:20,052 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:33:20" (3/3) ... [2018-11-23 01:33:20,054 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product45_true-unreach-call_false-termination.cil.c [2018-11-23 01:33:20,060 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 01:33:20,065 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 01:33:20,074 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 01:33:20,097 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 01:33:20,097 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 01:33:20,097 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 01:33:20,097 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 01:33:20,097 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 01:33:20,097 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 01:33:20,097 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 01:33:20,098 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 01:33:20,112 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states. [2018-11-23 01:33:20,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 01:33:20,119 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:33:20,119 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] [2018-11-23 01:33:20,121 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:33:20,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:33:20,125 INFO L82 PathProgramCache]: Analyzing trace with hash -969795471, now seen corresponding path program 1 times [2018-11-23 01:33:20,126 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:33:20,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:33:20,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:33:20,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:33:20,156 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:33:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:33:20,311 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:33:20,313 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:33:20,313 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 01:33:20,313 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:33:20,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 01:33:20,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 01:33:20,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 01:33:20,326 INFO L87 Difference]: Start difference. First operand 156 states. Second operand 2 states. [2018-11-23 01:33:20,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:33:20,356 INFO L93 Difference]: Finished difference Result 282 states and 349 transitions. [2018-11-23 01:33:20,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 01:33:20,357 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-23 01:33:20,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:33:20,366 INFO L225 Difference]: With dead ends: 282 [2018-11-23 01:33:20,367 INFO L226 Difference]: Without dead ends: 143 [2018-11-23 01:33:20,370 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 [2018-11-23 01:33:20,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-11-23 01:33:20,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-11-23 01:33:20,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-11-23 01:33:20,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 168 transitions. [2018-11-23 01:33:20,408 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 168 transitions. Word has length 59 [2018-11-23 01:33:20,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:33:20,408 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 168 transitions. [2018-11-23 01:33:20,408 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 01:33:20,409 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 168 transitions. [2018-11-23 01:33:20,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 01:33:20,411 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:33:20,411 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] [2018-11-23 01:33:20,412 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:33:20,412 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:33:20,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1996571673, now seen corresponding path program 1 times [2018-11-23 01:33:20,412 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:33:20,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:33:20,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:33:20,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:33:20,413 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:33:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:33:20,496 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:33:20,496 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:33:20,496 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 01:33:20,496 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:33:20,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:33:20,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:33:20,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 01:33:20,498 INFO L87 Difference]: Start difference. First operand 143 states and 168 transitions. Second operand 3 states. [2018-11-23 01:33:20,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:33:20,518 INFO L93 Difference]: Finished difference Result 231 states and 271 transitions. [2018-11-23 01:33:20,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:33:20,519 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-23 01:33:20,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:33:20,520 INFO L225 Difference]: With dead ends: 231 [2018-11-23 01:33:20,520 INFO L226 Difference]: Without dead ends: 134 [2018-11-23 01:33:20,521 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 [2018-11-23 01:33:20,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-11-23 01:33:20,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-11-23 01:33:20,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-11-23 01:33:20,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 156 transitions. [2018-11-23 01:33:20,533 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 156 transitions. Word has length 60 [2018-11-23 01:33:20,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:33:20,534 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 156 transitions. [2018-11-23 01:33:20,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:33:20,534 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 156 transitions. [2018-11-23 01:33:20,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-23 01:33:20,535 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:33:20,536 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] [2018-11-23 01:33:20,536 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:33:20,536 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:33:20,536 INFO L82 PathProgramCache]: Analyzing trace with hash -521756146, now seen corresponding path program 1 times [2018-11-23 01:33:20,536 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:33:20,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:33:20,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:33:20,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:33:20,537 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:33:20,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:33:20,638 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:33:20,638 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:33:20,638 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 01:33:20,638 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:33:20,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 01:33:20,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 01:33:20,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:33:20,639 INFO L87 Difference]: Start difference. First operand 134 states and 156 transitions. Second operand 7 states. [2018-11-23 01:33:20,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:33:20,892 INFO L93 Difference]: Finished difference Result 240 states and 285 transitions. [2018-11-23 01:33:20,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 01:33:20,892 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-11-23 01:33:20,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:33:20,894 INFO L225 Difference]: With dead ends: 240 [2018-11-23 01:33:20,894 INFO L226 Difference]: Without dead ends: 134 [2018-11-23 01:33:20,895 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 01:33:20,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-11-23 01:33:20,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-11-23 01:33:20,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-11-23 01:33:20,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 155 transitions. [2018-11-23 01:33:20,907 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 155 transitions. Word has length 64 [2018-11-23 01:33:20,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:33:20,909 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 155 transitions. [2018-11-23 01:33:20,909 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 01:33:20,910 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 155 transitions. [2018-11-23 01:33:20,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-23 01:33:20,912 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:33:20,913 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] [2018-11-23 01:33:20,913 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:33:20,913 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:33:20,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1746539877, now seen corresponding path program 1 times [2018-11-23 01:33:20,913 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:33:20,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:33:20,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:33:20,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:33:20,916 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:33:20,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:33:21,012 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:33:21,013 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:33:21,013 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 01:33:21,013 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:33:21,013 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 01:33:21,014 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 01:33:21,014 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 01:33:21,014 INFO L87 Difference]: Start difference. First operand 134 states and 155 transitions. Second operand 5 states. [2018-11-23 01:33:21,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:33:21,325 INFO L93 Difference]: Finished difference Result 351 states and 422 transitions. [2018-11-23 01:33:21,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 01:33:21,326 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 77 [2018-11-23 01:33:21,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:33:21,328 INFO L225 Difference]: With dead ends: 351 [2018-11-23 01:33:21,328 INFO L226 Difference]: Without dead ends: 245 [2018-11-23 01:33:21,328 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 01:33:21,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-11-23 01:33:21,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 227. [2018-11-23 01:33:21,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-11-23 01:33:21,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 259 transitions. [2018-11-23 01:33:21,354 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 259 transitions. Word has length 77 [2018-11-23 01:33:21,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:33:21,354 INFO L480 AbstractCegarLoop]: Abstraction has 227 states and 259 transitions. [2018-11-23 01:33:21,354 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 01:33:21,354 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 259 transitions. [2018-11-23 01:33:21,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-23 01:33:21,355 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:33:21,356 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] [2018-11-23 01:33:21,356 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:33:21,356 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:33:21,357 INFO L82 PathProgramCache]: Analyzing trace with hash 579031268, now seen corresponding path program 1 times [2018-11-23 01:33:21,357 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:33:21,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:33:21,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:33:21,358 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:33:21,358 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:33:21,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:33:21,451 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 01:33:21,452 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:33:21,452 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 01:33:21,452 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:33:21,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 01:33:21,453 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 01:33:21,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 01:33:21,453 INFO L87 Difference]: Start difference. First operand 227 states and 259 transitions. Second operand 7 states. [2018-11-23 01:33:21,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:33:21,850 INFO L93 Difference]: Finished difference Result 443 states and 521 transitions. [2018-11-23 01:33:21,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 01:33:21,852 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 91 [2018-11-23 01:33:21,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:33:21,853 INFO L225 Difference]: With dead ends: 443 [2018-11-23 01:33:21,854 INFO L226 Difference]: Without dead ends: 244 [2018-11-23 01:33:21,855 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 01:33:21,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-11-23 01:33:21,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 226. [2018-11-23 01:33:21,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2018-11-23 01:33:21,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 256 transitions. [2018-11-23 01:33:21,871 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 256 transitions. Word has length 91 [2018-11-23 01:33:21,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:33:21,872 INFO L480 AbstractCegarLoop]: Abstraction has 226 states and 256 transitions. [2018-11-23 01:33:21,872 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 01:33:21,872 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 256 transitions. [2018-11-23 01:33:21,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 01:33:21,873 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:33:21,873 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:33:21,873 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:33:21,874 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:33:21,874 INFO L82 PathProgramCache]: Analyzing trace with hash 732155529, now seen corresponding path program 1 times [2018-11-23 01:33:21,874 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:33:21,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:33:21,877 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:33:21,877 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:33:21,877 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:33:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:33:21,931 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:33:21,932 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:33:21,932 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 01:33:21,932 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:33:21,932 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 01:33:21,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 01:33:21,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 01:33:21,933 INFO L87 Difference]: Start difference. First operand 226 states and 256 transitions. Second operand 6 states. [2018-11-23 01:33:21,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:33:21,960 INFO L93 Difference]: Finished difference Result 431 states and 500 transitions. [2018-11-23 01:33:21,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 01:33:21,961 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 107 [2018-11-23 01:33:21,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:33:21,963 INFO L225 Difference]: With dead ends: 431 [2018-11-23 01:33:21,963 INFO L226 Difference]: Without dead ends: 233 [2018-11-23 01:33:21,964 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 [2018-11-23 01:33:21,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-11-23 01:33:21,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 231. [2018-11-23 01:33:21,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-11-23 01:33:21,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 261 transitions. [2018-11-23 01:33:21,979 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 261 transitions. Word has length 107 [2018-11-23 01:33:21,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:33:21,979 INFO L480 AbstractCegarLoop]: Abstraction has 231 states and 261 transitions. [2018-11-23 01:33:21,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 01:33:21,980 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 261 transitions. [2018-11-23 01:33:21,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 01:33:21,981 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:33:21,981 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:33:21,981 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:33:21,981 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:33:21,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1634539065, now seen corresponding path program 1 times [2018-11-23 01:33:21,981 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:33:21,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:33:21,982 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:33:21,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:33:21,983 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:33:21,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:33:22,049 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:33:22,049 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:33:22,049 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 01:33:22,050 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:33:22,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 01:33:22,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 01:33:22,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 01:33:22,050 INFO L87 Difference]: Start difference. First operand 231 states and 261 transitions. Second operand 8 states. [2018-11-23 01:33:22,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:33:22,109 INFO L93 Difference]: Finished difference Result 441 states and 511 transitions. [2018-11-23 01:33:22,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 01:33:22,110 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2018-11-23 01:33:22,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:33:22,111 INFO L225 Difference]: With dead ends: 441 [2018-11-23 01:33:22,111 INFO L226 Difference]: Without dead ends: 238 [2018-11-23 01:33:22,112 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 [2018-11-23 01:33:22,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2018-11-23 01:33:22,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 235. [2018-11-23 01:33:22,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-11-23 01:33:22,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 265 transitions. [2018-11-23 01:33:22,125 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 265 transitions. Word has length 107 [2018-11-23 01:33:22,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:33:22,125 INFO L480 AbstractCegarLoop]: Abstraction has 235 states and 265 transitions. [2018-11-23 01:33:22,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 01:33:22,126 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 265 transitions. [2018-11-23 01:33:22,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-23 01:33:22,128 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:33:22,128 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:33:22,128 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:33:22,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:33:22,129 INFO L82 PathProgramCache]: Analyzing trace with hash -1875079194, now seen corresponding path program 1 times [2018-11-23 01:33:22,129 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:33:22,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:33:22,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:33:22,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:33:22,129 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:33:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:33:22,200 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:33:22,200 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:33:22,201 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 01:33:22,201 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:33:22,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 01:33:22,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 01:33:22,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 01:33:22,202 INFO L87 Difference]: Start difference. First operand 235 states and 265 transitions. Second operand 4 states. [2018-11-23 01:33:22,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:33:22,429 INFO L93 Difference]: Finished difference Result 667 states and 790 transitions. [2018-11-23 01:33:22,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 01:33:22,429 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 107 [2018-11-23 01:33:22,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:33:22,431 INFO L225 Difference]: With dead ends: 667 [2018-11-23 01:33:22,431 INFO L226 Difference]: Without dead ends: 460 [2018-11-23 01:33:22,432 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 [2018-11-23 01:33:22,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2018-11-23 01:33:22,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 451. [2018-11-23 01:33:22,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2018-11-23 01:33:22,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 524 transitions. [2018-11-23 01:33:22,454 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 524 transitions. Word has length 107 [2018-11-23 01:33:22,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:33:22,454 INFO L480 AbstractCegarLoop]: Abstraction has 451 states and 524 transitions. [2018-11-23 01:33:22,454 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 01:33:22,454 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 524 transitions. [2018-11-23 01:33:22,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 01:33:22,456 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:33:22,456 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:33:22,456 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:33:22,456 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:33:22,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1369870956, now seen corresponding path program 1 times [2018-11-23 01:33:22,457 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:33:22,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:33:22,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:33:22,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:33:22,458 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:33:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:33:22,558 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 01:33:22,558 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:33:22,558 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 01:33:22,559 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:33:22,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 01:33:22,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 01:33:22,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-23 01:33:22,559 INFO L87 Difference]: Start difference. First operand 451 states and 524 transitions. Second operand 9 states. [2018-11-23 01:33:23,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:33:23,183 INFO L93 Difference]: Finished difference Result 1184 states and 1440 transitions. [2018-11-23 01:33:23,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 01:33:23,185 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 111 [2018-11-23 01:33:23,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:33:23,187 INFO L225 Difference]: With dead ends: 1184 [2018-11-23 01:33:23,188 INFO L226 Difference]: Without dead ends: 829 [2018-11-23 01:33:23,188 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-23 01:33:23,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2018-11-23 01:33:23,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 756. [2018-11-23 01:33:23,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 756 states. [2018-11-23 01:33:23,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 756 states and 868 transitions. [2018-11-23 01:33:23,216 INFO L78 Accepts]: Start accepts. Automaton has 756 states and 868 transitions. Word has length 111 [2018-11-23 01:33:23,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:33:23,217 INFO L480 AbstractCegarLoop]: Abstraction has 756 states and 868 transitions. [2018-11-23 01:33:23,217 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 01:33:23,217 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 868 transitions. [2018-11-23 01:33:23,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-23 01:33:23,220 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:33:23,220 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:33:23,220 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:33:23,221 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:33:23,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1898623481, now seen corresponding path program 1 times [2018-11-23 01:33:23,221 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:33:23,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:33:23,221 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:33:23,222 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:33:23,222 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:33:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:33:23,302 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 01:33:23,302 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:33:23,302 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:33:23,303 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 171 with the following transitions: [2018-11-23 01:33:23,304 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [51], [53], [56], [63], [66], [67], [68], [69], [73], [75], [76], [79], [82], [84], [90], [94], [97], [98], [102], [103], [104], [105], [114], [118], [122], [125], [128], [130], [136], [138], [141], [156], [157], [158], [159], [160], [162], [167], [170], [171], [173], [178], [180], [181], [182], [183], [220], [223], [227], [233], [234], [235], [238], [242], [243], [249], [253], [254], [257], [258], [259], [260], [261], [262], [263], [265], [266], [267], [268], [269], [270], [271], [272], [273], [275], [276], [277], [278], [281], [282], [283], [284], [285], [287], [288], [289], [290], [293], [294], [295], [296], [297], [298], [301], [302], [305], [306], [307], [308], [309], [310], [315], [316], [317], [318], [319], [320], [321], [322], [323], [324], [325] [2018-11-23 01:33:23,330 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:33:23,330 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:33:24,666 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:33:24,667 INFO L272 AbstractInterpreter]: Visited 131 different actions 623 times. Merged at 15 different actions 42 times. Never widened. Performed 20486 root evaluator evaluations with a maximum evaluation depth of 3. Performed 20486 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 134 variables. [2018-11-23 01:33:24,682 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:33:24,683 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:33:24,683 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:33:24,683 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_40b14468-9e54-4314-9600-c94fdddb0b14/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 [2018-11-23 01:33:24,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:33:24,690 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:33:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:33:24,812 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:33:24,967 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:33:24,967 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:33:25,295 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 01:33:25,320 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 01:33:25,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-11-23 01:33:25,321 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 01:33:25,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 01:33:25,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 01:33:25,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-23 01:33:25,322 INFO L87 Difference]: Start difference. First operand 756 states and 868 transitions. Second operand 16 states. [2018-11-23 01:33:26,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:33:26,148 INFO L93 Difference]: Finished difference Result 1684 states and 2015 transitions. [2018-11-23 01:33:26,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-23 01:33:26,149 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 170 [2018-11-23 01:33:26,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:33:26,152 INFO L225 Difference]: With dead ends: 1684 [2018-11-23 01:33:26,153 INFO L226 Difference]: Without dead ends: 1022 [2018-11-23 01:33:26,156 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 332 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=188, Invalid=934, Unknown=0, NotChecked=0, Total=1122 [2018-11-23 01:33:26,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2018-11-23 01:33:26,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 902. [2018-11-23 01:33:26,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 902 states. [2018-11-23 01:33:26,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 902 states to 902 states and 1048 transitions. [2018-11-23 01:33:26,208 INFO L78 Accepts]: Start accepts. Automaton has 902 states and 1048 transitions. Word has length 170 [2018-11-23 01:33:26,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:33:26,209 INFO L480 AbstractCegarLoop]: Abstraction has 902 states and 1048 transitions. [2018-11-23 01:33:26,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 01:33:26,209 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1048 transitions. [2018-11-23 01:33:26,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2018-11-23 01:33:26,215 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:33:26,215 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:33:26,215 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:33:26,215 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:33:26,216 INFO L82 PathProgramCache]: Analyzing trace with hash 1315221695, now seen corresponding path program 1 times [2018-11-23 01:33:26,216 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:33:26,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:33:26,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:33:26,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:33:26,217 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:33:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:33:26,371 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 76 proven. 7 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2018-11-23 01:33:26,371 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:33:26,371 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:33:26,371 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 300 with the following transitions: [2018-11-23 01:33:26,372 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [51], [53], [56], [63], [66], [67], [68], [69], [73], [75], [76], [77], [78], [79], [82], [84], [87], [90], [94], [97], [98], [102], [103], [104], [105], [114], [118], [122], [125], [128], [130], [136], [138], [141], [156], [157], [158], [159], [160], [162], [167], [170], [171], [173], [178], [180], [181], [182], [183], [220], [223], [227], [233], [234], [235], [238], [242], [243], [249], [253], [254], [257], [258], [259], [260], [261], [262], [263], [265], [266], [267], [268], [269], [270], [271], [272], [273], [275], [276], [277], [278], [281], [282], [283], [284], [285], [287], [288], [289], [290], [291], [292], [293], [294], [295], [296], [297], [298], [301], [302], [305], [306], [307], [308], [309], [310], [315], [316], [317], [318], [319], [320], [321], [322], [323], [324], [325] [2018-11-23 01:33:26,375 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:33:26,375 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:33:27,388 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:33:27,388 INFO L272 AbstractInterpreter]: Visited 132 different actions 626 times. Merged at 15 different actions 42 times. Never widened. Performed 20744 root evaluator evaluations with a maximum evaluation depth of 3. Performed 20744 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 134 variables. [2018-11-23 01:33:27,399 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:33:27,399 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:33:27,399 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:33:27,399 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_40b14468-9e54-4314-9600-c94fdddb0b14/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 [2018-11-23 01:33:27,416 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:33:27,416 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:33:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:33:27,521 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:33:27,673 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 226 proven. 4 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-23 01:33:27,673 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:33:28,228 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 74 proven. 30 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2018-11-23 01:33:28,243 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 01:33:28,244 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12, 13] total 27 [2018-11-23 01:33:28,244 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 01:33:28,244 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-23 01:33:28,244 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-23 01:33:28,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=96, Invalid=606, Unknown=0, NotChecked=0, Total=702 [2018-11-23 01:33:28,245 INFO L87 Difference]: Start difference. First operand 902 states and 1048 transitions. Second operand 19 states. [2018-11-23 01:33:31,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:33:31,927 INFO L93 Difference]: Finished difference Result 3284 states and 4589 transitions. [2018-11-23 01:33:31,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-11-23 01:33:31,928 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 299 [2018-11-23 01:33:31,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:33:31,937 INFO L225 Difference]: With dead ends: 3284 [2018-11-23 01:33:31,937 INFO L226 Difference]: Without dead ends: 2418 [2018-11-23 01:33:31,941 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 672 GetRequests, 590 SyntacticMatches, 9 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1311 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=880, Invalid=4670, Unknown=0, NotChecked=0, Total=5550 [2018-11-23 01:33:31,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2418 states. [2018-11-23 01:33:32,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2418 to 1703. [2018-11-23 01:33:32,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2018-11-23 01:33:32,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 1914 transitions. [2018-11-23 01:33:32,053 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 1914 transitions. Word has length 299 [2018-11-23 01:33:32,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:33:32,053 INFO L480 AbstractCegarLoop]: Abstraction has 1703 states and 1914 transitions. [2018-11-23 01:33:32,053 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-23 01:33:32,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 1914 transitions. [2018-11-23 01:33:32,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-23 01:33:32,059 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:33:32,059 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:33:32,060 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:33:32,060 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:33:32,060 INFO L82 PathProgramCache]: Analyzing trace with hash -477216255, now seen corresponding path program 1 times [2018-11-23 01:33:32,060 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:33:32,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:33:32,061 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:33:32,061 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:33:32,061 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:33:32,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:33:32,206 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 93 proven. 55 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2018-11-23 01:33:32,206 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:33:32,206 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:33:32,207 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 320 with the following transitions: [2018-11-23 01:33:32,207 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [48], [51], [53], [56], [63], [66], [67], [68], [69], [73], [75], [76], [77], [78], [79], [82], [84], [87], [90], [94], [97], [98], [102], [103], [104], [105], [114], [118], [122], [125], [128], [130], [133], [136], [138], [141], [156], [157], [158], [159], [160], [162], [167], [170], [171], [173], [178], [180], [181], [182], [183], [188], [190], [220], [223], [227], [233], [234], [235], [238], [242], [243], [249], [253], [254], [257], [258], [259], [260], [261], [262], [263], [265], [266], [267], [268], [269], [270], [271], [272], [273], [275], [276], [277], [278], [281], [282], [283], [284], [285], [287], [288], [289], [290], [291], [292], [293], [294], [295], [296], [297], [298], [299], [300], [301], [302], [305], [306], [307], [308], [309], [310], [315], [316], [317], [318], [319], [320], [321], [322], [323], [324], [325] [2018-11-23 01:33:32,209 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:33:32,210 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:33:33,755 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:33:33,755 INFO L272 AbstractInterpreter]: Visited 142 different actions 1265 times. Merged at 23 different actions 139 times. Never widened. Performed 47835 root evaluator evaluations with a maximum evaluation depth of 3. Performed 47835 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 38 fixpoints after 6 different actions. Largest state had 134 variables. [2018-11-23 01:33:33,766 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:33:33,767 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:33:33,767 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:33:33,767 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_40b14468-9e54-4314-9600-c94fdddb0b14/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 01:33:33,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:33:33,783 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:33:33,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:33:33,900 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:33:34,077 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 264 proven. 16 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-23 01:33:34,077 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:33:34,517 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 93 proven. 55 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2018-11-23 01:33:34,542 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 01:33:34,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 25 [2018-11-23 01:33:34,543 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 01:33:34,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-23 01:33:34,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-23 01:33:34,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2018-11-23 01:33:34,544 INFO L87 Difference]: Start difference. First operand 1703 states and 1914 transitions. Second operand 20 states. [2018-11-23 01:33:35,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:33:35,239 INFO L93 Difference]: Finished difference Result 3222 states and 3639 transitions. [2018-11-23 01:33:35,239 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 01:33:35,239 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 319 [2018-11-23 01:33:35,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:33:35,245 INFO L225 Difference]: With dead ends: 3222 [2018-11-23 01:33:35,246 INFO L226 Difference]: Without dead ends: 1707 [2018-11-23 01:33:35,249 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 671 GetRequests, 633 SyntacticMatches, 3 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 162 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=240, Invalid=1092, Unknown=0, NotChecked=0, Total=1332 [2018-11-23 01:33:35,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1707 states. [2018-11-23 01:33:35,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1707 to 1703. [2018-11-23 01:33:35,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2018-11-23 01:33:35,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 1909 transitions. [2018-11-23 01:33:35,346 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 1909 transitions. Word has length 319 [2018-11-23 01:33:35,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:33:35,347 INFO L480 AbstractCegarLoop]: Abstraction has 1703 states and 1909 transitions. [2018-11-23 01:33:35,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-23 01:33:35,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 1909 transitions. [2018-11-23 01:33:35,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-11-23 01:33:35,353 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:33:35,353 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:33:35,353 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:33:35,354 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:33:35,354 INFO L82 PathProgramCache]: Analyzing trace with hash 623439818, now seen corresponding path program 1 times [2018-11-23 01:33:35,354 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:33:35,354 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:33:35,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:33:35,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:33:35,355 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:33:35,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:33:35,518 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-11-23 01:33:35,518 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:33:35,518 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2018-11-23 01:33:35,518 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:33:35,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 01:33:35,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 01:33:35,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2018-11-23 01:33:35,519 INFO L87 Difference]: Start difference. First operand 1703 states and 1909 transitions. Second operand 13 states. [2018-11-23 01:33:36,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:33:36,052 INFO L93 Difference]: Finished difference Result 3120 states and 3523 transitions. [2018-11-23 01:33:36,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 01:33:36,053 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 320 [2018-11-23 01:33:36,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:33:36,057 INFO L225 Difference]: With dead ends: 3120 [2018-11-23 01:33:36,058 INFO L226 Difference]: Without dead ends: 1605 [2018-11-23 01:33:36,059 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=569, Unknown=0, NotChecked=0, Total=650 [2018-11-23 01:33:36,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1605 states. [2018-11-23 01:33:36,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1605 to 1576. [2018-11-23 01:33:36,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2018-11-23 01:33:36,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1758 transitions. [2018-11-23 01:33:36,114 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1758 transitions. Word has length 320 [2018-11-23 01:33:36,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:33:36,115 INFO L480 AbstractCegarLoop]: Abstraction has 1576 states and 1758 transitions. [2018-11-23 01:33:36,115 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-23 01:33:36,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1758 transitions. [2018-11-23 01:33:36,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2018-11-23 01:33:36,119 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:33:36,119 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 01:33:36,119 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:33:36,119 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:33:36,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1181320144, now seen corresponding path program 1 times [2018-11-23 01:33:36,120 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:33:36,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:33:36,120 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:33:36,120 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:33:36,120 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:33:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:33:36,280 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 91 proven. 44 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2018-11-23 01:33:36,280 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:33:36,280 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:33:36,280 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 325 with the following transitions: [2018-11-23 01:33:36,280 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [24], [27], [30], [32], [33], [37], [40], [48], [51], [53], [56], [63], [66], [67], [68], [69], [73], [75], [76], [77], [78], [79], [82], [84], [87], [90], [94], [97], [98], [102], [103], [104], [105], [114], [118], [122], [125], [128], [130], [133], [136], [138], [141], [156], [157], [158], [159], [160], [162], [167], [170], [171], [173], [178], [180], [181], [182], [183], [186], [188], [190], [220], [223], [227], [233], [234], [235], [238], [242], [243], [249], [253], [254], [257], [258], [259], [260], [261], [262], [263], [265], [266], [267], [268], [269], [270], [271], [272], [273], [275], [276], [277], [278], [281], [282], [283], [284], [285], [287], [288], [289], [290], [291], [292], [293], [294], [295], [296], [297], [298], [299], [300], [301], [302], [305], [306], [307], [308], [309], [310], [315], [316], [317], [318], [319], [320], [321], [322], [323], [324], [325] [2018-11-23 01:33:36,282 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:33:36,282 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:33:37,810 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:33:37,810 INFO L272 AbstractInterpreter]: Visited 144 different actions 1325 times. Merged at 26 different actions 163 times. Never widened. Performed 49161 root evaluator evaluations with a maximum evaluation depth of 3. Performed 49161 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 56 fixpoints after 8 different actions. Largest state had 134 variables. [2018-11-23 01:33:37,811 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:33:37,811 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:33:37,811 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:33:37,811 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_40b14468-9e54-4314-9600-c94fdddb0b14/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 01:33:37,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:33:37,817 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:33:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:33:37,901 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:33:38,015 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 193 proven. 16 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-11-23 01:33:38,015 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:33:38,414 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 94 proven. 27 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2018-11-23 01:33:38,430 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 01:33:38,431 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8, 13] total 21 [2018-11-23 01:33:38,431 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 01:33:38,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 01:33:38,431 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 01:33:38,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2018-11-23 01:33:38,432 INFO L87 Difference]: Start difference. First operand 1576 states and 1758 transitions. Second operand 14 states. [2018-11-23 01:33:39,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:33:39,534 INFO L93 Difference]: Finished difference Result 3401 states and 4110 transitions. [2018-11-23 01:33:39,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 01:33:39,534 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 324 [2018-11-23 01:33:39,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:33:39,541 INFO L225 Difference]: With dead ends: 3401 [2018-11-23 01:33:39,541 INFO L226 Difference]: Without dead ends: 2525 [2018-11-23 01:33:39,544 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 699 GetRequests, 641 SyntacticMatches, 21 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 393 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=419, Invalid=1063, Unknown=0, NotChecked=0, Total=1482 [2018-11-23 01:33:39,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2525 states. [2018-11-23 01:33:39,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2525 to 1966. [2018-11-23 01:33:39,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1966 states. [2018-11-23 01:33:39,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1966 states and 2203 transitions. [2018-11-23 01:33:39,679 INFO L78 Accepts]: Start accepts. Automaton has 1966 states and 2203 transitions. Word has length 324 [2018-11-23 01:33:39,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:33:39,680 INFO L480 AbstractCegarLoop]: Abstraction has 1966 states and 2203 transitions. [2018-11-23 01:33:39,680 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 01:33:39,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1966 states and 2203 transitions. [2018-11-23 01:33:39,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 393 [2018-11-23 01:33:39,684 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:33:39,685 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:33:39,685 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:33:39,685 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:33:39,685 INFO L82 PathProgramCache]: Analyzing trace with hash 121188462, now seen corresponding path program 1 times [2018-11-23 01:33:39,685 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:33:39,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:33:39,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:33:39,686 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:33:39,686 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:33:39,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:33:39,872 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2018-11-23 01:33:39,872 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:33:39,872 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 01:33:39,872 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:33:39,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 01:33:39,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 01:33:39,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-23 01:33:39,873 INFO L87 Difference]: Start difference. First operand 1966 states and 2203 transitions. Second operand 8 states. [2018-11-23 01:33:40,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:33:40,220 INFO L93 Difference]: Finished difference Result 3272 states and 3706 transitions. [2018-11-23 01:33:40,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 01:33:40,221 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 392 [2018-11-23 01:33:40,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:33:40,222 INFO L225 Difference]: With dead ends: 3272 [2018-11-23 01:33:40,222 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 01:33:40,227 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2018-11-23 01:33:40,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 01:33:40,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 01:33:40,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 01:33:40,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 01:33:40,228 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 392 [2018-11-23 01:33:40,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:33:40,228 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 01:33:40,228 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 01:33:40,228 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 01:33:40,228 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 01:33:40,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 01:33:40,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,695 WARN L180 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 141 [2018-11-23 01:33:40,815 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,843 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,848 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,917 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,949 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:40,989 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 200 [2018-11-23 01:33:41,009 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,101 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,107 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,108 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,112 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,151 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,182 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,258 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,344 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:33:41,862 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 31 [2018-11-23 01:33:42,268 WARN L180 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 38 [2018-11-23 01:33:42,595 WARN L180 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 44 [2018-11-23 01:33:42,701 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 35 [2018-11-23 01:33:43,567 WARN L180 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 81 [2018-11-23 01:33:43,935 WARN L180 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 40 [2018-11-23 01:33:44,259 WARN L180 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 47 [2018-11-23 01:33:45,156 WARN L180 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 86 [2018-11-23 01:33:45,381 WARN L180 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 49 [2018-11-23 01:33:45,588 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 1 [2018-11-23 01:33:45,724 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 31 [2018-11-23 01:33:46,064 WARN L180 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 49 [2018-11-23 01:33:46,247 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 34 [2018-11-23 01:33:46,537 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 48 [2018-11-23 01:33:47,201 WARN L180 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 53 [2018-11-23 01:33:47,823 WARN L180 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 54 [2018-11-23 01:33:48,662 WARN L180 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 79 [2018-11-23 01:33:48,775 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 39 [2018-11-23 01:33:48,905 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 30 [2018-11-23 01:33:49,069 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 26 [2018-11-23 01:33:49,191 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 30 [2018-11-23 01:33:49,403 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 34 [2018-11-23 01:33:49,771 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 51 [2018-11-23 01:33:49,893 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 36 [2018-11-23 01:33:50,042 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 39 [2018-11-23 01:33:50,044 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 855 861) the Hoare annotation is: true [2018-11-23 01:33:50,044 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 855 861) no Hoare annotation was computed. [2018-11-23 01:33:50,044 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 862 870) no Hoare annotation was computed. [2018-11-23 01:33:50,044 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 862 870) the Hoare annotation is: true [2018-11-23 01:33:50,044 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 862 870) no Hoare annotation was computed. [2018-11-23 01:33:50,045 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 518 525) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 01:33:50,045 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 518 525) no Hoare annotation was computed. [2018-11-23 01:33:50,045 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 518 525) no Hoare annotation was computed. [2018-11-23 01:33:50,045 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 526 535) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse14 (= ~systemActive~0 1))) (let ((.cse11 (or (and .cse14 .cse0) (and .cse9 .cse14))) (.cse12 (< 2 ~waterLevel~0)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse13 (not (= ~waterLevel~0 2))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse4 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse5 (not (= ~waterLevel~0 1))) (.cse8 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 0 ~pumpRunning~0))) (.cse3 (not .cse14)) (.cse10 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3 .cse4 .cse5)) (or .cse1 .cse6 .cse7 .cse0 .cse3 .cse4) (or .cse8 (< 0 ~waterLevel~0) .cse1 .cse7 .cse3 .cse9) (or .cse6 .cse0 .cse7 .cse3 .cse4 .cse10) (or .cse11 (or .cse8 .cse7 .cse3) .cse12 .cse10) (or .cse7 .cse0 .cse3 .cse4 .cse10 .cse13) (or .cse8 .cse1 .cse7 .cse3 .cse9 .cse5) (or .cse1 .cse11 (or .cse8 .cse7 .cse12 .cse3)) (or .cse1 .cse7 .cse0 .cse3 .cse4 .cse13) (or .cse0 .cse2 .cse3 .cse4 .cse5 .cse10) (or .cse8 .cse6 .cse7 .cse3 .cse10 .cse9)))) [2018-11-23 01:33:50,045 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 526 535) no Hoare annotation was computed. [2018-11-23 01:33:50,045 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 526 535) no Hoare annotation was computed. [2018-11-23 01:33:50,045 INFO L448 ceAbstractionStarter]: For program point L531(line 531) no Hoare annotation was computed. [2018-11-23 01:33:50,045 INFO L448 ceAbstractionStarter]: For program point L546-1(line 546) no Hoare annotation was computed. [2018-11-23 01:33:50,045 INFO L448 ceAbstractionStarter]: For program point L544(lines 544 561) no Hoare annotation was computed. [2018-11-23 01:33:50,045 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 536 564) no Hoare annotation was computed. [2018-11-23 01:33:50,045 INFO L451 ceAbstractionStarter]: At program point L542(line 542) the Hoare annotation is: true [2018-11-23 01:33:50,045 INFO L448 ceAbstractionStarter]: For program point L542-1(line 542) no Hoare annotation was computed. [2018-11-23 01:33:50,046 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 536 564) the Hoare annotation is: true [2018-11-23 01:33:50,046 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 536 564) no Hoare annotation was computed. [2018-11-23 01:33:50,046 INFO L444 ceAbstractionStarter]: At program point L551(line 551) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse5 (< 2 ~waterLevel~0)) (.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse6 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 2))) (or .cse3 .cse4 .cse5 .cse1 .cse6) (or .cse4 .cse5 .cse1 .cse6 .cse2) (or (< ~switchedOnBeforeTS~0 1) .cse3 (< 1 ~waterLevel~0) .cse4 .cse1) (or .cse5 .cse0 .cse1 .cse6 .cse2))) [2018-11-23 01:33:50,046 INFO L448 ceAbstractionStarter]: For program point L549(lines 549 555) no Hoare annotation was computed. [2018-11-23 01:33:50,046 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 558) no Hoare annotation was computed. [2018-11-23 01:33:50,046 INFO L444 ceAbstractionStarter]: At program point L546(line 546) the Hoare annotation is: (let ((.cse6 (not (= 1 ~pumpRunning~0))) (.cse1 (= ~waterLevel~0 __utac_acc__Specification5_spec__3_~tmp~3)) (.cse3 (< 2 ~waterLevel~0)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse8 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse3 .cse6 .cse4 .cse5 .cse7 .cse1) (or (< ~switchedOnBeforeTS~0 1) .cse0 (< 1 ~waterLevel~0) .cse2 .cse1 .cse4) (or .cse6 .cse4 .cse7 .cse8) (or .cse2 .cse4 .cse5 .cse7 .cse8) (or .cse1 .cse2 .cse3 .cse4 .cse5 .cse7) (or .cse0 .cse2 .cse4 .cse5 .cse8))) [2018-11-23 01:33:50,046 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 945 967) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 01:33:50,046 INFO L444 ceAbstractionStarter]: At program point L957(line 957) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~9 ~systemActive~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 01:33:50,046 INFO L444 ceAbstractionStarter]: At program point L957-1(line 957) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~9 ~systemActive~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 01:33:50,046 INFO L448 ceAbstractionStarter]: For program point L955(lines 955 962) no Hoare annotation was computed. [2018-11-23 01:33:50,046 INFO L448 ceAbstractionStarter]: For program point L955-1(lines 955 962) no Hoare annotation was computed. [2018-11-23 01:33:50,047 INFO L448 ceAbstractionStarter]: For program point L953(line 953) no Hoare annotation was computed. [2018-11-23 01:33:50,047 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 945 967) no Hoare annotation was computed. [2018-11-23 01:33:50,047 INFO L444 ceAbstractionStarter]: At program point L952(line 952) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 01:33:50,047 INFO L444 ceAbstractionStarter]: At program point L951(line 951) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 01:33:50,047 INFO L444 ceAbstractionStarter]: At program point L951-1(line 951) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 01:33:50,047 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 945 967) no Hoare annotation was computed. [2018-11-23 01:33:50,047 INFO L444 ceAbstractionStarter]: At program point L627(line 627) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3 .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse1 (< 2 ~waterLevel~0) .cse2 .cse3) (or (or .cse3 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse4))) [2018-11-23 01:33:50,047 INFO L448 ceAbstractionStarter]: For program point L627-1(lines 608 632) no Hoare annotation was computed. [2018-11-23 01:33:50,047 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 608 632) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (< 2 ~waterLevel~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse4 .cse5 .cse1 .cse2) (or .cse4 .cse5 .cse1 .cse2 .cse0 .cse3))) [2018-11-23 01:33:50,047 INFO L444 ceAbstractionStarter]: At program point L622(line 622) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (and (= 0 processEnvironment__wrappee__methaneQuery_~tmp~4) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or (or .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) (or .cse5 (or .cse0 (or .cse4 (or .cse2 .cse3 (not (= ~waterLevel~0 2)))))) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse4 .cse6) (or .cse2 (< 2 ~waterLevel~0) .cse5 .cse3 .cse4 .cse6))) [2018-11-23 01:33:50,047 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 608 632) no Hoare annotation was computed. [2018-11-23 01:33:50,048 INFO L444 ceAbstractionStarter]: At program point L618(line 618) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (= ~waterLevel~0 2)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse3 .cse4 (not .cse6)) (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3 .cse4) (or (not (= ~methaneLevelCritical~0 1)) .cse1 (< 2 ~waterLevel~0) (and .cse6 .cse5) .cse2 .cse3))) [2018-11-23 01:33:50,048 INFO L448 ceAbstractionStarter]: For program point L616(lines 616 624) no Hoare annotation was computed. [2018-11-23 01:33:50,048 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2 .cse3 .cse4) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse4 .cse0 .cse5))) [2018-11-23 01:33:50,048 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-23 01:33:50,048 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 629) no Hoare annotation was computed. [2018-11-23 01:33:50,048 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 703 711) no Hoare annotation was computed. [2018-11-23 01:33:50,048 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 703 711) the Hoare annotation is: true [2018-11-23 01:33:50,048 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 703 711) no Hoare annotation was computed. [2018-11-23 01:33:50,048 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 848 854) no Hoare annotation was computed. [2018-11-23 01:33:50,048 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 848 854) the Hoare annotation is: true [2018-11-23 01:33:50,048 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 934 944) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 01:33:50,048 INFO L444 ceAbstractionStarter]: At program point L939(line 939) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (<= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 01:33:50,048 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 934 944) no Hoare annotation was computed. [2018-11-23 01:33:50,049 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 934 944) no Hoare annotation was computed. [2018-11-23 01:33:50,049 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 692 702) the Hoare annotation is: true [2018-11-23 01:33:50,049 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 692 702) no Hoare annotation was computed. [2018-11-23 01:33:50,049 INFO L451 ceAbstractionStarter]: At program point L697(line 697) the Hoare annotation is: true [2018-11-23 01:33:50,049 INFO L448 ceAbstractionStarter]: For program point L697-1(line 697) no Hoare annotation was computed. [2018-11-23 01:33:50,049 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 692 702) no Hoare annotation was computed. [2018-11-23 01:33:50,049 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 684 691) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~methaneLevelCritical~0 1)) (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) [2018-11-23 01:33:50,049 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 684 691) no Hoare annotation was computed. [2018-11-23 01:33:50,049 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 684 691) no Hoare annotation was computed. [2018-11-23 01:33:50,049 INFO L444 ceAbstractionStarter]: At program point L640(line 640) the Hoare annotation is: (let ((.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse2 .cse3 .cse4) (or .cse7 .cse1 (< 2 ~waterLevel~0) .cse2 .cse3) (or .cse5 .cse7 .cse0 .cse6 .cse2 .cse3) (or (or .cse3 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse4))) [2018-11-23 01:33:50,049 INFO L448 ceAbstractionStarter]: For program point L640-1(line 640) no Hoare annotation was computed. [2018-11-23 01:33:50,049 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 655) no Hoare annotation was computed. [2018-11-23 01:33:50,049 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 634 658) no Hoare annotation was computed. [2018-11-23 01:33:50,050 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 634 658) the Hoare annotation is: (let ((.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (< 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse7 .cse8 .cse3 .cse4) (or .cse7 .cse8 .cse3 .cse4 .cse1 .cse5) (or .cse1 .cse6 .cse0 .cse2 .cse3 .cse4))) [2018-11-23 01:33:50,050 INFO L444 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (< 2 ~waterLevel~0)) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse4 .cse5 .cse8) (or .cse2 .cse3 .cse4 .cse5 .cse0 .cse8) (or .cse1 .cse6 .cse7 .cse4 .cse5))) [2018-11-23 01:33:50,050 INFO L448 ceAbstractionStarter]: For program point L653-1(lines 634 658) no Hoare annotation was computed. [2018-11-23 01:33:50,050 INFO L444 ceAbstractionStarter]: At program point L648(line 648) the Hoare annotation is: (let ((.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse5 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse2 .cse3 (and (= processEnvironment_~tmp~5 ~methaneLevelCritical~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse4) (or .cse6 .cse1 (< 2 ~waterLevel~0) .cse2 .cse3) (or .cse6 .cse0 .cse5 .cse2 .cse3) (or (or .cse3 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse4))) [2018-11-23 01:33:50,050 INFO L444 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: (let ((.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse0 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse2 .cse3 (and (= processEnvironment_~tmp~5 ~methaneLevelCritical~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or .cse5 .cse1 (< 2 ~waterLevel~0) .cse2 .cse3) (or .cse0 .cse6 .cse2 .cse3 .cse4) (or (or .cse3 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse4))) [2018-11-23 01:33:50,050 INFO L448 ceAbstractionStarter]: For program point L642(lines 642 650) no Hoare annotation was computed. [2018-11-23 01:33:50,050 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2018-11-23 01:33:50,050 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2018-11-23 01:33:50,050 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 136) no Hoare annotation was computed. [2018-11-23 01:33:50,050 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2018-11-23 01:33:50,050 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 600 606) no Hoare annotation was computed. [2018-11-23 01:33:50,051 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 600 606) the Hoare annotation is: true [2018-11-23 01:33:50,051 INFO L444 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse7 (and (= 0 ~pumpRunning~0) (= 2 ~waterLevel~0) .cse0 .cse4)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (<= ~pumpRunning~0 0)) (.cse8 (= ~methaneLevelCritical~0 1)) (.cse3 (<= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4 .cse6) (and .cse7 .cse8) (and .cse5 (and .cse4 .cse1 (= ~pumpRunning~0 1))) (and .cse1 .cse7) (and (or (and (<= 1 ~switchedOnBeforeTS~0) .cse5 .cse4) (and .cse5 .cse4 .cse6)) .cse2 .cse8 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-11-23 01:33:50,051 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 769 832) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (<= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 01:33:50,051 INFO L448 ceAbstractionStarter]: For program point L799(lines 799 805) no Hoare annotation was computed. [2018-11-23 01:33:50,051 INFO L448 ceAbstractionStarter]: For program point L799-1(lines 799 805) no Hoare annotation was computed. [2018-11-23 01:33:50,051 INFO L444 ceAbstractionStarter]: At program point L791(line 791) the Hoare annotation is: (let ((.cse8 (= ~systemActive~0 1)) (.cse5 (= test_~splverifierCounter~0 0))) (let ((.cse2 (= ~methaneLevelCritical~0 1)) (.cse0 (and (= 1 ~waterLevel~0) .cse8 .cse5)) (.cse1 (<= ~pumpRunning~0 0)) (.cse3 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (and (= 0 ~pumpRunning~0) .cse8 .cse5)) (.cse6 (<= ~waterLevel~0 1)) (.cse10 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse11 (= ~waterLevel~0 2)) (.cse7 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 (and (and (not (= ~switchedOnBeforeTS~0 0)) .cse5) .cse6) .cse7) (not .cse8) (and (and (or (and .cse9 .cse10) (and (<= 1 ~switchedOnBeforeTS~0) .cse9 .cse6)) .cse2) (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse1 .cse3) (and .cse9 .cse4 .cse11 .cse10) (and .cse9 .cse4 .cse6 .cse10) (and .cse4 .cse11 .cse7 .cse5) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-11-23 01:33:50,051 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 769 832) no Hoare annotation was computed. [2018-11-23 01:33:50,051 INFO L444 ceAbstractionStarter]: At program point L822(lines 779 824) the Hoare annotation is: (let ((.cse6 (<= ~pumpRunning~0 0)) (.cse8 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~waterLevel~0 2)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse2 (= 0 ~pumpRunning~0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse9 (= ~pumpRunning~0 1)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse5 (<= ~waterLevel~0 1))) (or (not (= ~systemActive~0 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse8 .cse3 .cse4) (and .cse0 .cse1 .cse9 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse5 .cse6 .cse8 .cse3 .cse4) (and .cse0 .cse6 (= |old(~waterLevel~0)| ~waterLevel~0) .cse8 .cse3) (and (and (<= 1 ~switchedOnBeforeTS~0) .cse5 .cse3) .cse6 .cse7 .cse8) (and .cse1 .cse7 .cse2 .cse3 .cse4) (or (and .cse0 .cse5 .cse9 .cse3 .cse4) (and .cse0 (and (not (= ~waterLevel~0 1)) (not (= ~switchedOnBeforeTS~0 0)) .cse9 .cse3) .cse5)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 01:33:50,051 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 795) no Hoare annotation was computed. [2018-11-23 01:33:50,051 INFO L448 ceAbstractionStarter]: For program point L789-1(lines 789 795) no Hoare annotation was computed. [2018-11-23 01:33:50,051 INFO L448 ceAbstractionStarter]: For program point L781(lines 781 785) no Hoare annotation was computed. [2018-11-23 01:33:50,052 INFO L444 ceAbstractionStarter]: At program point L825(lines 778 826) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 01:33:50,052 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 819) no Hoare annotation was computed. [2018-11-23 01:33:50,052 INFO L444 ceAbstractionStarter]: At program point L815-2(lines 809 820) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 2)) (.cse11 (= 0 ~pumpRunning~0)) (.cse0 (= ~systemActive~0 1)) (.cse5 (= test_~splverifierCounter~0 0))) (let ((.cse9 (= ~pumpRunning~0 1)) (.cse6 (and .cse11 (= 2 ~waterLevel~0) .cse0 .cse5)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse10 (or (and (<= 1 ~switchedOnBeforeTS~0) .cse8 .cse0 .cse5) (and .cse8 .cse0 .cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (.cse2 (<= ~pumpRunning~0 0)) (.cse4 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (not .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7) (and .cse8 (and .cse1 .cse5 .cse9)) (and (and .cse8 .cse5) .cse9 .cse7) (and .cse1 .cse6) (and .cse1 .cse10 .cse2 .cse4) (and .cse10 .cse2 .cse7 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse11 .cse3 .cse5)))) [2018-11-23 01:33:50,052 INFO L448 ceAbstractionStarter]: For program point L780(lines 779 824) no Hoare annotation was computed. [2018-11-23 01:33:50,052 INFO L448 ceAbstractionStarter]: For program point L809(lines 809 820) no Hoare annotation was computed. [2018-11-23 01:33:50,052 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 769 832) no Hoare annotation was computed. [2018-11-23 01:33:50,052 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 659 666) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~methaneLevelCritical~0 0)) (not (= ~waterLevel~0 2))) [2018-11-23 01:33:50,052 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 659 666) no Hoare annotation was computed. [2018-11-23 01:33:50,052 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 659 666) no Hoare annotation was computed. [2018-11-23 01:33:50,052 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 01:33:50,052 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-23 01:33:50,052 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 01:33:50,053 INFO L444 ceAbstractionStarter]: At program point L672(line 672) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 2)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse4))) [2018-11-23 01:33:50,053 INFO L448 ceAbstractionStarter]: For program point L672-1(line 672) no Hoare annotation was computed. [2018-11-23 01:33:50,053 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 667 683) no Hoare annotation was computed. [2018-11-23 01:33:50,053 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 667 683) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 2)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse4))) [2018-11-23 01:33:50,053 INFO L444 ceAbstractionStarter]: At program point L678(line 678) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 2)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 (and (= activatePump_~tmp~6 ~methaneLevelCritical~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3))) [2018-11-23 01:33:50,053 INFO L448 ceAbstractionStarter]: For program point L678-1(lines 667 683) no Hoare annotation was computed. [2018-11-23 01:33:50,053 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 680) no Hoare annotation was computed. [2018-11-23 01:33:50,053 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 748 766) no Hoare annotation was computed. [2018-11-23 01:33:50,053 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 748 766) the Hoare annotation is: true [2018-11-23 01:33:50,053 INFO L448 ceAbstractionStarter]: For program point L757(lines 757 761) no Hoare annotation was computed. [2018-11-23 01:33:50,053 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 748 766) no Hoare annotation was computed. [2018-11-23 01:33:50,053 INFO L451 ceAbstractionStarter]: At program point L755(line 755) the Hoare annotation is: true [2018-11-23 01:33:50,053 INFO L448 ceAbstractionStarter]: For program point L757-2(lines 757 761) no Hoare annotation was computed. [2018-11-23 01:33:50,053 INFO L448 ceAbstractionStarter]: For program point L755-1(line 755) no Hoare annotation was computed. [2018-11-23 01:33:50,054 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2018-11-23 01:33:50,054 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2018-11-23 01:33:50,054 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2018-11-23 01:33:50,054 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-11-23 01:33:50,054 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (let ((.cse9 (< ~switchedOnBeforeTS~0 1)) (.cse3 (not (= ~waterLevel~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse8 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse10 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) (.cse7 (= ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse7 .cse2 .cse8) (or .cse9 (< 0 ~waterLevel~0) .cse5 .cse0 .cse2 .cse7) (or .cse1 (or (< 2 ~waterLevel~0) (or (not (= 1 ~pumpRunning~0)) .cse2)) .cse4) (or .cse9 .cse5 .cse0 .cse2 .cse7 .cse3) (or .cse6 .cse1 .cse0 .cse2 .cse8 .cse4) (or .cse1 (or .cse10 .cse4)) (or (or .cse5 .cse10) .cse7)))) [2018-11-23 01:33:50,054 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-11-23 01:33:50,054 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 873 902) no Hoare annotation was computed. [2018-11-23 01:33:50,054 INFO L448 ceAbstractionStarter]: For program point L894(line 894) no Hoare annotation was computed. [2018-11-23 01:33:50,054 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 873 902) the Hoare annotation is: true [2018-11-23 01:33:50,054 INFO L448 ceAbstractionStarter]: For program point L887(lines 887 891) no Hoare annotation was computed. [2018-11-23 01:33:50,054 INFO L451 ceAbstractionStarter]: At program point L887-1(lines 887 891) the Hoare annotation is: true [2018-11-23 01:33:50,054 INFO L448 ceAbstractionStarter]: For program point L884(line 884) no Hoare annotation was computed. [2018-11-23 01:33:50,054 INFO L451 ceAbstractionStarter]: At program point L883-2(lines 883 897) the Hoare annotation is: true [2018-11-23 01:33:50,054 INFO L451 ceAbstractionStarter]: At program point L879(line 879) the Hoare annotation is: true [2018-11-23 01:33:50,055 INFO L448 ceAbstractionStarter]: For program point L879-1(line 879) no Hoare annotation was computed. [2018-11-23 01:33:50,055 INFO L451 ceAbstractionStarter]: At program point L898(lines 873 902) the Hoare annotation is: true [2018-11-23 01:33:50,055 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 573 599) the Hoare annotation is: (let ((.cse11 (< 2 |old(~waterLevel~0)|)) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse15 (not (= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse8 (not (= |old(~waterLevel~0)| 2))) (.cse17 (<= ~pumpRunning~0 0)) (.cse18 (<= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse20 (= 0 ~pumpRunning~0)) (.cse16 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse12 (and .cse20 .cse16)) (.cse1 (and .cse17 .cse16 .cse18)) (.cse19 (or .cse0 .cse2 .cse8)) (.cse10 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse9 (<= 1 ~switchedOnBeforeTS~0)) (.cse21 (or .cse15 .cse2)) (.cse13 (< 1 |old(~waterLevel~0)|)) (.cse6 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse22 (and (= ~pumpRunning~0 1) .cse16)) (.cse14 (and (or .cse5 .cse11 (< |old(~waterLevel~0)| 2) .cse15 .cse2) (or .cse5 .cse15 .cse2 .cse7 .cse3)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse0 .cse6 .cse2 .cse7 .cse8) (or (or .cse6 .cse9) (or .cse10 .cse0 .cse2) .cse11 .cse4) (or .cse5 .cse0 .cse12 .cse2 .cse3) (or .cse13 .cse6 .cse14) (or .cse6 .cse15 .cse2 .cse7 .cse3 .cse4) (or .cse10 (< 0 |old(~waterLevel~0)|) .cse5 .cse0 .cse2 (and .cse9 .cse16)) (or .cse10 .cse13 .cse0 .cse12 .cse2 .cse4) (or .cse10 .cse13 .cse0 .cse2 .cse4 .cse9) (or .cse13 (and .cse17 .cse16 .cse18 .cse6) .cse0 .cse2 .cse7 .cse4) (or (or .cse5 .cse19) .cse1) (or .cse5 (or (and .cse20 .cse6) (and .cse9 .cse20)) (and (or .cse0 .cse11 .cse2 .cse7) (or .cse10 .cse0 .cse11 .cse2))) (or .cse1 (or .cse19 .cse4)) (or .cse5 .cse13 .cse21 .cse22) (or .cse10 .cse5 .cse0 .cse2 .cse9 .cse3) (or .cse22 (or .cse11 .cse21) .cse4) (or .cse5 .cse13 .cse0 (and .cse16 .cse6) .cse2 .cse7) (or .cse0 .cse6 .cse2 .cse7 .cse4 .cse8) (or .cse22 .cse14)))) [2018-11-23 01:33:50,055 INFO L444 ceAbstractionStarter]: At program point L589(line 589) the Hoare annotation is: (let ((.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse10 (not (= ~systemActive~0 1)))) (let ((.cse22 (= ~methaneLevelCritical~0 0)) (.cse9 (not (= 0 |old(~pumpRunning~0)|))) (.cse24 (not (= |old(~waterLevel~0)| 2))) (.cse18 (< 2 |old(~waterLevel~0)|)) (.cse23 (or .cse6 .cse10)) (.cse2 (= ~pumpRunning~0 1)) (.cse21 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (<= ~waterLevel~0 0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse12 (and .cse2 .cse21 .cse3 .cse4)) (.cse14 (or .cse18 .cse23)) (.cse16 (or .cse9 .cse10 .cse24)) (.cse8 (and (= 0 ~pumpRunning~0) .cse21 .cse4)) (.cse11 (not (= |old(~waterLevel~0)| 1))) (.cse5 (or .cse10 .cse24)) (.cse7 (= 1 ~waterLevel~0)) (.cse13 (< 0 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (or .cse22 .cse23)) (.cse19 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse20 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse17 (and (<= ~pumpRunning~0 0) .cse21 (<= |old(~pumpRunning~0)| ~pumpRunning~0) .cse4)) (.cse15 (not .cse22))) (and (or .cse0 (< 1 |old(~waterLevel~0)|) .cse1 (and .cse2 .cse3 .cse4)) (or (or .cse0 .cse5 .cse6) (and .cse7 .cse2 .cse4)) (or .cse8 .cse0 .cse9 .cse10 .cse11) (or .cse12 .cse13 .cse14 .cse15) (or .cse12 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2 .cse4) .cse14 .cse15) (or (or .cse16 .cse15) .cse17) (or (or .cse0 .cse16) .cse8) (or .cse17 .cse0 (and (or .cse9 .cse18 .cse10 .cse19) (or .cse20 .cse9 .cse18 .cse10))) (or .cse9 .cse8 .cse10 .cse11 .cse15) (or (or .cse5 .cse6 .cse15) .cse7) (or .cse13 .cse0 .cse1 .cse21) (or (and (or .cse9 .cse10 .cse19) (or .cse20 .cse9 .cse10)) .cse18 .cse17 .cse15))))) [2018-11-23 01:33:50,055 INFO L444 ceAbstractionStarter]: At program point L587(lines 587 593) the Hoare annotation is: (let ((.cse29 (= ~systemActive~0 1))) (let ((.cse22 (not (= 1 |old(~pumpRunning~0)|))) (.cse12 (not .cse29))) (let ((.cse24 (not (= |old(~waterLevel~0)| 2))) (.cse14 (< 2 |old(~waterLevel~0)|)) (.cse6 (= ~pumpRunning~0 1)) (.cse7 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse15 (<= 1 ~switchedOnBeforeTS~0)) (.cse25 (= ~methaneLevelCritical~0 1)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse16 (= 0 ~pumpRunning~0)) (.cse18 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse28 (<= ~waterLevel~0 0)) (.cse26 (= ~methaneLevelCritical~0 0)) (.cse27 (or .cse22 .cse12))) (let ((.cse2 (or .cse26 .cse27)) (.cse3 (and .cse15 .cse25 .cse29 .cse10 .cse16 .cse18 .cse28)) (.cse5 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse4 (and .cse6 .cse18 .cse28 .cse7)) (.cse8 (or .cse14 .cse27)) (.cse13 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse17 (not (= |old(~waterLevel~0)| 1))) (.cse21 (or .cse12 .cse24)) (.cse9 (not .cse26)) (.cse23 (= 1 ~waterLevel~0)) (.cse19 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse0 (< 0 |old(~waterLevel~0)|)) (.cse11 (and .cse16 .cse18 .cse7)) (.cse1 (not .cse25)) (.cse20 (or .cse10 .cse12 .cse24))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 (and .cse5 .cse6 .cse7) .cse8 .cse9) (or .cse1 (< 1 |old(~waterLevel~0)|) .cse10 .cse11 .cse12 .cse13) (or .cse1 .cse2 .cse14 .cse3 (and .cse15 .cse5 .cse16)) (or .cse11 .cse1 .cse10 .cse12 .cse17) (or .cse4 .cse0 .cse8 .cse9) (or (and (<= ~pumpRunning~0 0) .cse18 (<= |old(~pumpRunning~0)| ~pumpRunning~0) .cse7) (and (= ~waterLevel~0 2) .cse18) (and (or .cse10 .cse12 .cse13) (or .cse19 .cse10 .cse12)) .cse14 .cse9) (or (and .cse6 .cse18) .cse11 (or .cse20 .cse9)) (or (or .cse1 .cse21 .cse22) .cse23) (or .cse10 .cse11 .cse12 .cse17 .cse9) (or (or .cse21 .cse22 .cse9) .cse23) (or .cse19 .cse0 .cse1 .cse10 .cse11 .cse12) (or .cse11 (or .cse1 .cse20))))))) [2018-11-23 01:33:50,056 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 573 599) no Hoare annotation was computed. [2018-11-23 01:33:50,056 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 573 599) no Hoare annotation was computed. [2018-11-23 01:33:50,056 INFO L444 ceAbstractionStarter]: At program point L582(line 582) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse5 (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 2)))) (.cse12 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse11 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse6 (= ~pumpRunning~0 1)) (.cse8 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse7 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse10 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5) (or (and (and .cse6 .cse7) .cse8) (or .cse4 .cse9 .cse10 .cse1)) (or .cse4 .cse0 .cse1 .cse2) (or .cse5 .cse3) (or (and (or .cse0 .cse1 .cse11) (or .cse12 .cse0 .cse1)) .cse9 .cse3) (or .cse12 .cse4 .cse0 .cse9 .cse1) (or .cse4 .cse0 .cse9 .cse1 .cse11) (or (and .cse6 .cse8 .cse7) (or .cse9 (or .cse10 .cse1)) .cse3)))) [2018-11-23 01:33:50,056 INFO L448 ceAbstractionStarter]: For program point L580(lines 576 598) no Hoare annotation was computed. [2018-11-23 01:33:50,056 INFO L448 ceAbstractionStarter]: For program point L578(lines 576 598) no Hoare annotation was computed. [2018-11-23 01:33:50,056 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-11-23 01:33:50,056 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-11-23 01:33:50,056 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-11-23 01:33:50,056 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (let ((.cse1 (or (< 2 |old(~waterLevel~0)|) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= ~systemActive~0 1)))) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-23 01:33:50,056 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-11-23 01:33:50,056 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-11-23 01:33:50,056 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 927 933) no Hoare annotation was computed. [2018-11-23 01:33:50,057 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 927 933) the Hoare annotation is: true [2018-11-23 01:33:50,057 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 01:33:50,057 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) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-23 01:33:50,057 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 01:33:50,057 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 01:33:50,057 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-11-23 01:33:50,057 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-11-23 01:33:50,057 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse10 (not (= 0 ~pumpRunning~0))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse7 (or .cse10 .cse4 (not (= |old(~waterLevel~0)| 1)))) (.cse6 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (< 1 |old(~waterLevel~0)|)) (.cse0 (or .cse10 .cse4)) (.cse1 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or (< 0 |old(~waterLevel~0)|) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 .cse2 .cse6) (or .cse7 .cse2 .cse3) (or .cse8 .cse7 .cse2) (or .cse2 .cse0 .cse1 .cse3 .cse6) (or .cse8 .cse0 .cse2 .cse1 .cse6) (or .cse9 (or (= 0 ~switchedOnBeforeTS~0) .cse4) .cse2 .cse5 .cse3) (or .cse8 .cse2 (and (or (< ~switchedOnBeforeTS~0 1) .cse9 .cse0) (or .cse9 .cse0 .cse1)))))) [2018-11-23 01:33:50,057 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 141 148) no Hoare annotation was computed. [2018-11-23 01:33:50,057 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2018-11-23 01:33:50,057 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 141 148) the Hoare annotation is: true [2018-11-23 01:33:50,057 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 141 148) no Hoare annotation was computed. [2018-11-23 01:33:50,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:33:50 BoogieIcfgContainer [2018-11-23 01:33:50,069 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 01:33:50,069 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:33:50,069 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:33:50,070 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:33:50,070 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:33:20" (3/4) ... [2018-11-23 01:33:50,073 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 01:33:50,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 01:33:50,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 01:33:50,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-23 01:33:50,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-23 01:33:50,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-23 01:33:50,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 01:33:50,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-23 01:33:50,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 01:33:50,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 01:33:50,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 01:33:50,078 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 01:33:50,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 01:33:50,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 01:33:50,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 01:33:50,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 01:33:50,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 01:33:50,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-11-23 01:33:50,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 01:33:50,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 01:33:50,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 01:33:50,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 01:33:50,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 01:33:50,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 01:33:50,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 01:33:50,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 01:33:50,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 01:33:50,079 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 01:33:50,080 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 01:33:50,080 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 01:33:50,086 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2018-11-23 01:33:50,086 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 01:33:50,087 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 01:33:50,087 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 01:33:50,087 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 01:33:50,087 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 01:33:50,088 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 01:33:50,112 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(systemActive == 1) || ((((0 == methaneLevelCritical && waterLevel == 2) && 0 == pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((((waterLevel <= 1 && pumpRunning <= 0) && methaneLevelCritical == 1) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((0 == methaneLevelCritical && waterLevel == 2) && pumpRunning == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((((0 == methaneLevelCritical && waterLevel <= 1) && pumpRunning <= 0) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == methaneLevelCritical && pumpRunning <= 0) && \old(waterLevel) == waterLevel) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0)) || (((((1 <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter == 0) && pumpRunning <= 0) && methaneLevelCritical == 1) && \old(pumpRunning) <= pumpRunning)) || ((((waterLevel == 2 && methaneLevelCritical == 1) && 0 == pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == methaneLevelCritical && waterLevel <= 1) && pumpRunning == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning) || ((0 == methaneLevelCritical && ((!(waterLevel == 1) && !(switchedOnBeforeTS == 0)) && pumpRunning == 1) && splverifierCounter == 0) && waterLevel <= 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 01:33:50,112 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 01:33:50,146 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_40b14468-9e54-4314-9600-c94fdddb0b14/bin-2019/utaipan/witness.graphml [2018-11-23 01:33:50,146 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:33:50,147 INFO L168 Benchmark]: Toolchain (without parser) took 30909.86 ms. Allocated memory was 1.0 GB in the beginning and 2.9 GB in the end (delta: 1.9 GB). Free memory was 956.6 MB in the beginning and 1.5 GB in the end (delta: -566.2 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-11-23 01:33:50,147 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:33:50,148 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -185.1 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:33:50,148 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:33:50,148 INFO L168 Benchmark]: Boogie Preprocessor took 28.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 01:33:50,148 INFO L168 Benchmark]: RCFGBuilder took 396.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 56.0 MB). Peak memory consumption was 56.0 MB. Max. memory is 11.5 GB. [2018-11-23 01:33:50,148 INFO L168 Benchmark]: TraceAbstraction took 30020.90 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.8 GB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -440.4 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-11-23 01:33:50,149 INFO L168 Benchmark]: Witness Printer took 76.96 ms. Allocated memory is still 2.9 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:33:50,150 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 363.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -185.1 MB). Peak memory consumption was 31.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 396.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 56.0 MB). Peak memory consumption was 56.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 30020.90 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.8 GB). Free memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: -440.4 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * Witness Printer took 76.96 ms. Allocated memory is still 2.9 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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: 778]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: ((((((((((!(systemActive == 1) || ((((0 == methaneLevelCritical && waterLevel == 2) && 0 == pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((((waterLevel <= 1 && pumpRunning <= 0) && methaneLevelCritical == 1) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || (((0 == methaneLevelCritical && waterLevel == 2) && pumpRunning == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((((0 == methaneLevelCritical && waterLevel <= 1) && pumpRunning <= 0) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == methaneLevelCritical && pumpRunning <= 0) && \old(waterLevel) == waterLevel) && \old(pumpRunning) <= pumpRunning) && splverifierCounter == 0)) || (((((1 <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter == 0) && pumpRunning <= 0) && methaneLevelCritical == 1) && \old(pumpRunning) <= pumpRunning)) || ((((waterLevel == 2 && methaneLevelCritical == 1) && 0 == pumpRunning) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || ((((0 == methaneLevelCritical && waterLevel <= 1) && pumpRunning == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning) || ((0 == methaneLevelCritical && ((!(waterLevel == 1) && !(switchedOnBeforeTS == 0)) && pumpRunning == 1) && splverifierCounter == 0) && waterLevel <= 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 156 locations, 1 error locations. SAFE Result, 29.9s OverallTime, 15 OverallIterations, 9 TraceHistogramMax, 9.2s AutomataDifference, 0.0s DeadEndRemovalTime, 9.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 3209 SDtfs, 4897 SDslu, 10591 SDs, 0 SdLazy, 12304 SolverSat, 2881 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2557 GetRequests, 2249 SyntacticMatches, 41 SemanticMatches, 267 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2226 ImplicationChecksByTransitivity, 2.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1966occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.4s AbstIntTime, 4 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 15 MinimizatonAttempts, 1550 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 4120 PreInvPairs, 4366 NumberOfFragments, 4870 HoareAnnotationTreeSize, 4120 FomulaSimplifications, 95126 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 64 FomulaSimplificationsInter, 105981 FormulaSimplificationTreeSizeReductionInter, 8.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 3719 NumberOfCodeBlocks, 3719 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 4808 ConstructedInterpolants, 0 QuantifiedInterpolants, 2014775 SizeOfPredicates, 17 NumberOfNonLiveVariables, 4750 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 23 InterpolantComputations, 11 PerfectInterpolantSequences, 3916/4199 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...