./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product50_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ce4354a3-bd19-4ff0-8988-3fbbb462fbe0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ce4354a3-bd19-4ff0-8988-3fbbb462fbe0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ce4354a3-bd19-4ff0-8988-3fbbb462fbe0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ce4354a3-bd19-4ff0-8988-3fbbb462fbe0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product50_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ce4354a3-bd19-4ff0-8988-3fbbb462fbe0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ce4354a3-bd19-4ff0-8988-3fbbb462fbe0/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 1c36260bdfb38a7ddcc128caab61da79dda5fd60 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:32:39,615 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:32:39,616 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:32:39,622 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:32:39,623 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:32:39,623 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:32:39,624 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:32:39,626 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:32:39,627 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:32:39,628 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:32:39,628 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:32:39,628 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:32:39,629 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:32:39,630 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:32:39,630 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:32:39,630 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:32:39,631 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:32:39,632 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:32:39,634 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:32:39,635 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:32:39,635 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:32:39,636 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:32:39,638 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:32:39,638 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:32:39,638 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:32:39,639 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:32:39,639 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:32:39,640 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:32:39,640 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:32:39,641 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:32:39,641 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:32:39,642 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:32:39,642 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:32:39,642 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:32:39,643 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:32:39,643 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:32:39,643 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ce4354a3-bd19-4ff0-8988-3fbbb462fbe0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 11:32:39,652 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:32:39,652 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:32:39,653 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:32:39,653 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:32:39,653 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:32:39,653 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:32:39,653 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:32:39,654 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:32:39,654 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:32:39,654 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:32:39,654 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:32:39,654 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:32:39,654 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:32:39,655 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:32:39,655 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:32:39,655 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:32:39,655 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:32:39,655 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:32:39,655 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:32:39,656 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:32:39,656 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:32:39,656 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:32:39,656 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:32:39,656 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:32:39,656 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:32:39,656 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:32:39,656 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:32:39,657 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:32:39,657 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:32:39,657 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:32:39,657 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:32:39,657 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:32:39,657 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:32:39,657 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:32:39,658 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:32:39,658 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:32:39,658 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:32:39,658 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_ce4354a3-bd19-4ff0-8988-3fbbb462fbe0/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 -> 1c36260bdfb38a7ddcc128caab61da79dda5fd60 [2018-11-18 11:32:39,682 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:32:39,692 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:32:39,695 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:32:39,696 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:32:39,697 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:32:39,697 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ce4354a3-bd19-4ff0-8988-3fbbb462fbe0/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product50_true-unreach-call_false-termination.cil.c [2018-11-18 11:32:39,744 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ce4354a3-bd19-4ff0-8988-3fbbb462fbe0/bin-2019/utaipan/data/719043a81/1e13512e1a2545cdb3ca9fb217a5659f/FLAGc0ff11906 [2018-11-18 11:32:40,116 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:32:40,116 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ce4354a3-bd19-4ff0-8988-3fbbb462fbe0/sv-benchmarks/c/product-lines/minepump_spec3_product50_true-unreach-call_false-termination.cil.c [2018-11-18 11:32:40,124 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ce4354a3-bd19-4ff0-8988-3fbbb462fbe0/bin-2019/utaipan/data/719043a81/1e13512e1a2545cdb3ca9fb217a5659f/FLAGc0ff11906 [2018-11-18 11:32:40,505 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ce4354a3-bd19-4ff0-8988-3fbbb462fbe0/bin-2019/utaipan/data/719043a81/1e13512e1a2545cdb3ca9fb217a5659f [2018-11-18 11:32:40,507 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:32:40,508 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:32:40,508 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:32:40,508 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:32:40,511 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:32:40,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:32:40" (1/1) ... [2018-11-18 11:32:40,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4afe988 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:40, skipping insertion in model container [2018-11-18 11:32:40,514 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:32:40" (1/1) ... [2018-11-18 11:32:40,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:32:40,551 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:32:40,727 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:32:40,736 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:32:40,831 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:32:40,847 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:32:40,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:40 WrapperNode [2018-11-18 11:32:40,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:32:40,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:32:40,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:32:40,848 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:32:40,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:40" (1/1) ... [2018-11-18 11:32:40,863 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:40" (1/1) ... [2018-11-18 11:32:40,869 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:32:40,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:32:40,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:32:40,869 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:32:40,875 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:40" (1/1) ... [2018-11-18 11:32:40,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:40" (1/1) ... [2018-11-18 11:32:40,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:40" (1/1) ... [2018-11-18 11:32:40,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:40" (1/1) ... [2018-11-18 11:32:40,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:40" (1/1) ... [2018-11-18 11:32:40,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:40" (1/1) ... [2018-11-18 11:32:40,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:40" (1/1) ... [2018-11-18 11:32:40,897 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:32:40,897 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:32:40,898 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:32:40,898 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:32:40,898 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ce4354a3-bd19-4ff0-8988-3fbbb462fbe0/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 [2018-11-18 11:32:40,936 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 11:32:40,936 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 11:32:40,936 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:32:40,936 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:32:40,936 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 11:32:40,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 11:32:40,937 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 11:32:40,937 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 11:32:40,937 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 11:32:40,937 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 11:32:40,937 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 11:32:40,937 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 11:32:40,937 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 11:32:40,937 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 11:32:40,938 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 11:32:40,938 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 11:32:40,938 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 11:32:40,938 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 11:32:40,938 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 11:32:40,938 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 11:32:40,938 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 11:32:40,938 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 11:32:40,938 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 11:32:40,939 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 11:32:40,939 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 11:32:40,939 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 11:32:40,939 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 11:32:40,939 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 11:32:40,939 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 11:32:40,939 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 11:32:40,939 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 11:32:40,939 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 11:32:40,940 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 11:32:40,940 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 11:32:40,940 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 11:32:40,940 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 11:32:40,940 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 11:32:40,940 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 11:32:40,940 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 11:32:40,940 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 11:32:40,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 11:32:40,941 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 11:32:40,941 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 11:32:40,941 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 11:32:40,941 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 11:32:40,941 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 11:32:40,941 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 11:32:40,941 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 11:32:40,941 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 11:32:40,941 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:32:40,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:32:40,942 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 11:32:40,942 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 11:32:40,942 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-18 11:32:40,942 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-18 11:32:40,942 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 11:32:40,942 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 11:32:40,942 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:32:40,942 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:32:41,439 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:32:41,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:32:41 BoogieIcfgContainer [2018-11-18 11:32:41,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:32:41,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:32:41,441 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:32:41,443 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:32:41,443 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:32:40" (1/3) ... [2018-11-18 11:32:41,443 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1637ad1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:32:41, skipping insertion in model container [2018-11-18 11:32:41,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:32:40" (2/3) ... [2018-11-18 11:32:41,444 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1637ad1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:32:41, skipping insertion in model container [2018-11-18 11:32:41,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:32:41" (3/3) ... [2018-11-18 11:32:41,445 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product50_true-unreach-call_false-termination.cil.c [2018-11-18 11:32:41,452 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:32:41,458 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:32:41,468 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:32:41,492 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:32:41,492 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:32:41,492 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:32:41,492 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:32:41,492 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:32:41,492 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:32:41,492 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:32:41,492 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:32:41,509 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states. [2018-11-18 11:32:41,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 11:32:41,516 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:32:41,517 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:32:41,519 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:32:41,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:41,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1075751407, now seen corresponding path program 1 times [2018-11-18 11:32:41,526 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:32:41,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:41,557 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:41,557 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:41,557 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:32:41,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:41,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:32:41,752 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:32:41,752 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 11:32:41,752 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:32:41,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 11:32:41,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 11:32:41,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 11:32:41,771 INFO L87 Difference]: Start difference. First operand 153 states. Second operand 2 states. [2018-11-18 11:32:41,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:32:41,804 INFO L93 Difference]: Finished difference Result 280 states and 343 transitions. [2018-11-18 11:32:41,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 11:32:41,805 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-18 11:32:41,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:32:41,815 INFO L225 Difference]: With dead ends: 280 [2018-11-18 11:32:41,816 INFO L226 Difference]: Without dead ends: 140 [2018-11-18 11:32:41,819 INFO L604 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 [2018-11-18 11:32:41,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-11-18 11:32:41,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-11-18 11:32:41,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-11-18 11:32:41,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 163 transitions. [2018-11-18 11:32:41,861 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 163 transitions. Word has length 52 [2018-11-18 11:32:41,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:32:41,861 INFO L480 AbstractCegarLoop]: Abstraction has 140 states and 163 transitions. [2018-11-18 11:32:41,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 11:32:41,861 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 163 transitions. [2018-11-18 11:32:41,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-11-18 11:32:41,863 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:32:41,863 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:32:41,864 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:32:41,864 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:41,864 INFO L82 PathProgramCache]: Analyzing trace with hash -550524682, now seen corresponding path program 1 times [2018-11-18 11:32:41,864 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:32:41,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:41,865 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:41,865 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:41,865 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:32:41,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:41,947 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:32:41,947 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:32:41,947 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:32:41,948 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:32:41,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:32:41,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:32:41,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:32:41,950 INFO L87 Difference]: Start difference. First operand 140 states and 163 transitions. Second operand 3 states. [2018-11-18 11:32:41,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:32:41,970 INFO L93 Difference]: Finished difference Result 223 states and 259 transitions. [2018-11-18 11:32:41,971 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:32:41,971 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 54 [2018-11-18 11:32:41,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:32:41,973 INFO L225 Difference]: With dead ends: 223 [2018-11-18 11:32:41,973 INFO L226 Difference]: Without dead ends: 130 [2018-11-18 11:32:41,974 INFO L604 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 [2018-11-18 11:32:41,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-18 11:32:41,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-18 11:32:41,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-18 11:32:41,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 150 transitions. [2018-11-18 11:32:41,983 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 150 transitions. Word has length 54 [2018-11-18 11:32:41,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:32:41,984 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 150 transitions. [2018-11-18 11:32:41,984 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:32:41,984 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 150 transitions. [2018-11-18 11:32:41,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 11:32:41,985 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:32:41,985 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:32:41,985 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:32:41,985 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:41,985 INFO L82 PathProgramCache]: Analyzing trace with hash 331293850, now seen corresponding path program 1 times [2018-11-18 11:32:41,985 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:32:41,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:41,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:41,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:41,986 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:32:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:42,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:32:42,096 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:32:42,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 11:32:42,096 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:32:42,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 11:32:42,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 11:32:42,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:32:42,097 INFO L87 Difference]: Start difference. First operand 130 states and 150 transitions. Second operand 7 states. [2018-11-18 11:32:42,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:32:42,368 INFO L93 Difference]: Finished difference Result 236 states and 277 transitions. [2018-11-18 11:32:42,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:32:42,369 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 59 [2018-11-18 11:32:42,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:32:42,370 INFO L225 Difference]: With dead ends: 236 [2018-11-18 11:32:42,370 INFO L226 Difference]: Without dead ends: 130 [2018-11-18 11:32:42,370 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:32:42,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-11-18 11:32:42,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-11-18 11:32:42,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-11-18 11:32:42,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 149 transitions. [2018-11-18 11:32:42,381 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 149 transitions. Word has length 59 [2018-11-18 11:32:42,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:32:42,382 INFO L480 AbstractCegarLoop]: Abstraction has 130 states and 149 transitions. [2018-11-18 11:32:42,382 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 11:32:42,382 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 149 transitions. [2018-11-18 11:32:42,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 11:32:42,384 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:32:42,384 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:32:42,385 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:32:42,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:42,385 INFO L82 PathProgramCache]: Analyzing trace with hash -2060946432, now seen corresponding path program 1 times [2018-11-18 11:32:42,385 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:32:42,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:42,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:42,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:42,386 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:32:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:42,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:32:42,480 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:32:42,480 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:32:42,481 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:32:42,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:32:42,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:32:42,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:32:42,482 INFO L87 Difference]: Start difference. First operand 130 states and 149 transitions. Second operand 5 states. [2018-11-18 11:32:42,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:32:42,982 INFO L93 Difference]: Finished difference Result 349 states and 417 transitions. [2018-11-18 11:32:42,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:32:42,982 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 72 [2018-11-18 11:32:42,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:32:42,984 INFO L225 Difference]: With dead ends: 349 [2018-11-18 11:32:42,984 INFO L226 Difference]: Without dead ends: 243 [2018-11-18 11:32:42,985 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 11:32:42,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-11-18 11:32:43,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 223. [2018-11-18 11:32:43,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-11-18 11:32:43,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 253 transitions. [2018-11-18 11:32:43,006 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 253 transitions. Word has length 72 [2018-11-18 11:32:43,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:32:43,006 INFO L480 AbstractCegarLoop]: Abstraction has 223 states and 253 transitions. [2018-11-18 11:32:43,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:32:43,007 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 253 transitions. [2018-11-18 11:32:43,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 11:32:43,008 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:32:43,009 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:32:43,009 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:32:43,009 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:43,009 INFO L82 PathProgramCache]: Analyzing trace with hash -263573422, now seen corresponding path program 1 times [2018-11-18 11:32:43,009 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:32:43,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:43,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:43,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:43,010 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:32:43,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:43,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:32:43,112 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:32:43,112 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 11:32:43,112 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:32:43,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 11:32:43,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 11:32:43,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 11:32:43,113 INFO L87 Difference]: Start difference. First operand 223 states and 253 transitions. Second operand 8 states. [2018-11-18 11:32:43,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:32:43,161 INFO L93 Difference]: Finished difference Result 429 states and 499 transitions. [2018-11-18 11:32:43,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 11:32:43,162 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 86 [2018-11-18 11:32:43,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:32:43,168 INFO L225 Difference]: With dead ends: 429 [2018-11-18 11:32:43,168 INFO L226 Difference]: Without dead ends: 230 [2018-11-18 11:32:43,169 INFO L604 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 [2018-11-18 11:32:43,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2018-11-18 11:32:43,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 227. [2018-11-18 11:32:43,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-11-18 11:32:43,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 257 transitions. [2018-11-18 11:32:43,185 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 257 transitions. Word has length 86 [2018-11-18 11:32:43,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:32:43,185 INFO L480 AbstractCegarLoop]: Abstraction has 227 states and 257 transitions. [2018-11-18 11:32:43,185 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 11:32:43,185 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 257 transitions. [2018-11-18 11:32:43,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 11:32:43,187 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:32:43,187 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:32:43,187 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:32:43,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:43,187 INFO L82 PathProgramCache]: Analyzing trace with hash 580432080, now seen corresponding path program 1 times [2018-11-18 11:32:43,187 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:32:43,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:43,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:43,188 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:43,188 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:32:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:43,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:32:43,261 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:32:43,261 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:32:43,261 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:32:43,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:32:43,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:32:43,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:32:43,262 INFO L87 Difference]: Start difference. First operand 227 states and 257 transitions. Second operand 6 states. [2018-11-18 11:32:43,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:32:43,447 INFO L93 Difference]: Finished difference Result 552 states and 656 transitions. [2018-11-18 11:32:43,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:32:43,448 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 86 [2018-11-18 11:32:43,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:32:43,450 INFO L225 Difference]: With dead ends: 552 [2018-11-18 11:32:43,450 INFO L226 Difference]: Without dead ends: 349 [2018-11-18 11:32:43,450 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:32:43,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 349 states. [2018-11-18 11:32:43,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 349 to 345. [2018-11-18 11:32:43,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2018-11-18 11:32:43,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 396 transitions. [2018-11-18 11:32:43,470 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 396 transitions. Word has length 86 [2018-11-18 11:32:43,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:32:43,470 INFO L480 AbstractCegarLoop]: Abstraction has 345 states and 396 transitions. [2018-11-18 11:32:43,470 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:32:43,470 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 396 transitions. [2018-11-18 11:32:43,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 11:32:43,471 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:32:43,472 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:32:43,472 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:32:43,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:43,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1573140310, now seen corresponding path program 1 times [2018-11-18 11:32:43,472 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:32:43,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:43,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:43,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:43,473 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:32:43,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:43,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:32:43,584 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:32:43,584 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:32:43,585 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:32:43,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:32:43,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:32:43,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:32:43,585 INFO L87 Difference]: Start difference. First operand 345 states and 396 transitions. Second operand 6 states. [2018-11-18 11:32:43,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:32:43,825 INFO L93 Difference]: Finished difference Result 742 states and 887 transitions. [2018-11-18 11:32:43,826 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 11:32:43,826 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 90 [2018-11-18 11:32:43,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:32:43,829 INFO L225 Difference]: With dead ends: 742 [2018-11-18 11:32:43,829 INFO L226 Difference]: Without dead ends: 539 [2018-11-18 11:32:43,830 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:32:43,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2018-11-18 11:32:43,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 521. [2018-11-18 11:32:43,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 521 states. [2018-11-18 11:32:43,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 612 transitions. [2018-11-18 11:32:43,860 INFO L78 Accepts]: Start accepts. Automaton has 521 states and 612 transitions. Word has length 90 [2018-11-18 11:32:43,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:32:43,861 INFO L480 AbstractCegarLoop]: Abstraction has 521 states and 612 transitions. [2018-11-18 11:32:43,861 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:32:43,861 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 612 transitions. [2018-11-18 11:32:43,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 11:32:43,862 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:32:43,862 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:32:43,862 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:32:43,863 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:43,863 INFO L82 PathProgramCache]: Analyzing trace with hash -193548775, now seen corresponding path program 1 times [2018-11-18 11:32:43,863 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:32:43,863 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:43,864 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:43,864 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:43,864 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:32:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:43,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:32:43,948 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:32:43,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 11:32:43,949 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:32:43,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 11:32:43,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 11:32:43,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:32:43,950 INFO L87 Difference]: Start difference. First operand 521 states and 612 transitions. Second operand 9 states. [2018-11-18 11:32:44,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:32:44,002 INFO L93 Difference]: Finished difference Result 916 states and 1089 transitions. [2018-11-18 11:32:44,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 11:32:44,003 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2018-11-18 11:32:44,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:32:44,006 INFO L225 Difference]: With dead ends: 916 [2018-11-18 11:32:44,006 INFO L226 Difference]: Without dead ends: 537 [2018-11-18 11:32:44,007 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:32:44,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 537 states. [2018-11-18 11:32:44,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 537 to 534. [2018-11-18 11:32:44,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 534 states. [2018-11-18 11:32:44,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 626 transitions. [2018-11-18 11:32:44,034 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 626 transitions. Word has length 90 [2018-11-18 11:32:44,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:32:44,034 INFO L480 AbstractCegarLoop]: Abstraction has 534 states and 626 transitions. [2018-11-18 11:32:44,035 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 11:32:44,035 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 626 transitions. [2018-11-18 11:32:44,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 11:32:44,036 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:32:44,036 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:32:44,036 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:32:44,037 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:44,037 INFO L82 PathProgramCache]: Analyzing trace with hash 650456727, now seen corresponding path program 1 times [2018-11-18 11:32:44,037 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:32:44,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:44,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:44,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:44,038 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:32:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:44,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:32:44,105 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:32:44,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:32:44,105 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:32:44,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:32:44,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:32:44,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:32:44,106 INFO L87 Difference]: Start difference. First operand 534 states and 626 transitions. Second operand 5 states. [2018-11-18 11:32:44,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:32:44,136 INFO L93 Difference]: Finished difference Result 911 states and 1089 transitions. [2018-11-18 11:32:44,137 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 11:32:44,137 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 90 [2018-11-18 11:32:44,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:32:44,139 INFO L225 Difference]: With dead ends: 911 [2018-11-18 11:32:44,139 INFO L226 Difference]: Without dead ends: 519 [2018-11-18 11:32:44,140 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:32:44,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2018-11-18 11:32:44,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 519. [2018-11-18 11:32:44,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 519 states. [2018-11-18 11:32:44,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 606 transitions. [2018-11-18 11:32:44,171 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 606 transitions. Word has length 90 [2018-11-18 11:32:44,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:32:44,172 INFO L480 AbstractCegarLoop]: Abstraction has 519 states and 606 transitions. [2018-11-18 11:32:44,172 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:32:44,172 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 606 transitions. [2018-11-18 11:32:44,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-11-18 11:32:44,173 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:32:44,173 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:32:44,173 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:32:44,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:44,174 INFO L82 PathProgramCache]: Analyzing trace with hash -1500187786, now seen corresponding path program 1 times [2018-11-18 11:32:44,174 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:32:44,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:44,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:44,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:44,175 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:32:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:44,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:32:44,258 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:32:44,258 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 11:32:44,258 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:32:44,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 11:32:44,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 11:32:44,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:32:44,259 INFO L87 Difference]: Start difference. First operand 519 states and 606 transitions. Second operand 10 states. [2018-11-18 11:32:44,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:32:44,430 INFO L93 Difference]: Finished difference Result 1020 states and 1194 transitions. [2018-11-18 11:32:44,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 11:32:44,431 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 91 [2018-11-18 11:32:44,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:32:44,433 INFO L225 Difference]: With dead ends: 1020 [2018-11-18 11:32:44,433 INFO L226 Difference]: Without dead ends: 525 [2018-11-18 11:32:44,434 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-18 11:32:44,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 525 states. [2018-11-18 11:32:44,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 525 to 504. [2018-11-18 11:32:44,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2018-11-18 11:32:44,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 571 transitions. [2018-11-18 11:32:44,451 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 571 transitions. Word has length 91 [2018-11-18 11:32:44,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:32:44,451 INFO L480 AbstractCegarLoop]: Abstraction has 504 states and 571 transitions. [2018-11-18 11:32:44,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 11:32:44,452 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 571 transitions. [2018-11-18 11:32:44,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 11:32:44,453 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:32:44,454 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 11:32:44,454 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:32:44,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:44,454 INFO L82 PathProgramCache]: Analyzing trace with hash 343905778, now seen corresponding path program 1 times [2018-11-18 11:32:44,454 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:32:44,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:44,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:44,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:44,455 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:32:44,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:44,512 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 11:32:44,512 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:32:44,512 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:32:44,513 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 139 with the following transitions: [2018-11-18 11:32:44,514 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [35], [36], [39], [41], [44], [51], [54], [55], [58], [60], [62], [66], [72], [76], [80], [86], [88], [94], [96], [102], [105], [115], [116], [117], [118], [119], [120], [121], [123], [126], [130], [131], [132], [133], [143], [146], [150], [156], [184], [185], [186], [188], [191], [193], [195], [198], [200], [205], [211], [214], [218], [219], [223], [226], [228], [231], [241], [251], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [268], [269], [270], [271], [274], [275], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [298], [299], [300], [301], [302], [303], [304], [306], [307], [308], [310], [311], [312], [313] [2018-11-18 11:32:44,542 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:32:44,542 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:32:44,843 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:32:44,844 INFO L272 AbstractInterpreter]: Visited 59 different actions 59 times. Never merged. Never widened. Performed 1871 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1871 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-11-18 11:32:44,859 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:44,859 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:32:45,083 INFO L227 lantSequenceWeakener]: Weakened 71 states. On average, predicates are now at 96.38% of their original sizes. [2018-11-18 11:32:45,084 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:32:45,180 INFO L415 sIntCurrentIteration]: We unified 137 AI predicates to 137 [2018-11-18 11:32:45,180 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:32:45,181 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:32:45,181 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [6] total 20 [2018-11-18 11:32:45,181 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:32:45,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 11:32:45,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 11:32:45,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2018-11-18 11:32:45,182 INFO L87 Difference]: Start difference. First operand 504 states and 571 transitions. Second operand 16 states. [2018-11-18 11:32:47,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:32:47,686 INFO L93 Difference]: Finished difference Result 1050 states and 1197 transitions. [2018-11-18 11:32:47,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 11:32:47,686 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 138 [2018-11-18 11:32:47,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:32:47,688 INFO L225 Difference]: With dead ends: 1050 [2018-11-18 11:32:47,688 INFO L226 Difference]: Without dead ends: 570 [2018-11-18 11:32:47,689 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 144 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=98, Invalid=408, Unknown=0, NotChecked=0, Total=506 [2018-11-18 11:32:47,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 570 states. [2018-11-18 11:32:47,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 570 to 568. [2018-11-18 11:32:47,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 568 states. [2018-11-18 11:32:47,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 641 transitions. [2018-11-18 11:32:47,738 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 641 transitions. Word has length 138 [2018-11-18 11:32:47,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:32:47,739 INFO L480 AbstractCegarLoop]: Abstraction has 568 states and 641 transitions. [2018-11-18 11:32:47,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 11:32:47,739 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 641 transitions. [2018-11-18 11:32:47,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 11:32:47,740 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:32:47,741 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:32:47,741 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:32:47,741 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:47,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1171064184, now seen corresponding path program 1 times [2018-11-18 11:32:47,741 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:32:47,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:47,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:47,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:47,742 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:32:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:47,795 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 11:32:47,796 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:32:47,796 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:32:47,796 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 143 with the following transitions: [2018-11-18 11:32:47,796 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [35], [36], [39], [41], [44], [51], [54], [55], [58], [60], [62], [66], [72], [76], [80], [83], [86], [88], [94], [96], [102], [105], [115], [116], [117], [118], [119], [120], [121], [123], [126], [130], [131], [132], [133], [143], [146], [150], [156], [184], [185], [186], [188], [191], [193], [195], [198], [200], [205], [211], [214], [218], [219], [223], [226], [228], [231], [241], [246], [250], [251], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [268], [269], [270], [271], [274], [275], [276], [277], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [298], [299], [300], [301], [302], [303], [304], [306], [307], [308], [310], [311], [312], [313] [2018-11-18 11:32:47,800 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:32:47,800 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:32:48,048 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:32:48,049 INFO L272 AbstractInterpreter]: Visited 64 different actions 94 times. Merged at 6 different actions 6 times. Never widened. Performed 4598 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4598 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 133 variables. [2018-11-18 11:32:48,059 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:48,059 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:32:48,229 INFO L227 lantSequenceWeakener]: Weakened 75 states. On average, predicates are now at 96.38% of their original sizes. [2018-11-18 11:32:48,229 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:32:48,340 INFO L415 sIntCurrentIteration]: We unified 141 AI predicates to 141 [2018-11-18 11:32:48,340 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:32:48,340 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:32:48,340 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2018-11-18 11:32:48,340 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:32:48,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 11:32:48,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 11:32:48,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2018-11-18 11:32:48,341 INFO L87 Difference]: Start difference. First operand 568 states and 641 transitions. Second operand 19 states. [2018-11-18 11:32:51,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:32:51,602 INFO L93 Difference]: Finished difference Result 1024 states and 1178 transitions. [2018-11-18 11:32:51,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 11:32:51,602 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 142 [2018-11-18 11:32:51,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:32:51,604 INFO L225 Difference]: With dead ends: 1024 [2018-11-18 11:32:51,604 INFO L226 Difference]: Without dead ends: 662 [2018-11-18 11:32:51,605 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 149 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=132, Invalid=570, Unknown=0, NotChecked=0, Total=702 [2018-11-18 11:32:51,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2018-11-18 11:32:51,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 651. [2018-11-18 11:32:51,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 651 states. [2018-11-18 11:32:51,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 651 states and 734 transitions. [2018-11-18 11:32:51,628 INFO L78 Accepts]: Start accepts. Automaton has 651 states and 734 transitions. Word has length 142 [2018-11-18 11:32:51,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:32:51,628 INFO L480 AbstractCegarLoop]: Abstraction has 651 states and 734 transitions. [2018-11-18 11:32:51,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 11:32:51,628 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 734 transitions. [2018-11-18 11:32:51,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 11:32:51,630 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:32:51,630 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:32:51,631 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:32:51,631 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:51,631 INFO L82 PathProgramCache]: Analyzing trace with hash -385503045, now seen corresponding path program 1 times [2018-11-18 11:32:51,631 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:32:51,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:51,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:51,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:32:51,632 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:32:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:51,702 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 11:32:51,702 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:32:51,702 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:32:51,702 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 143 with the following transitions: [2018-11-18 11:32:51,703 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [22], [25], [29], [30], [31], [34], [35], [36], [39], [41], [44], [51], [54], [55], [59], [60], [62], [66], [72], [76], [80], [83], [86], [88], [94], [96], [102], [105], [115], [116], [117], [118], [119], [120], [121], [123], [128], [130], [131], [132], [133], [143], [146], [150], [156], [184], [185], [186], [188], [191], [193], [195], [198], [200], [205], [211], [214], [218], [219], [223], [226], [228], [231], [241], [246], [250], [251], [254], [255], [256], [257], [258], [259], [260], [261], [262], [264], [265], [266], [268], [269], [270], [271], [274], [275], [276], [277], [282], [283], [286], [287], [288], [289], [290], [291], [292], [293], [298], [299], [300], [301], [302], [303], [304], [306], [307], [308], [310], [311], [312], [313] [2018-11-18 11:32:51,705 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:32:51,706 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:32:52,699 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:32:52,700 INFO L272 AbstractInterpreter]: Visited 116 different actions 530 times. Merged at 18 different actions 48 times. Never widened. Performed 20871 root evaluator evaluations with a maximum evaluation depth of 5. Performed 20871 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 6 fixpoints after 3 different actions. Largest state had 133 variables. [2018-11-18 11:32:52,707 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:32:52,708 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:32:52,708 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:32:52,708 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ce4354a3-bd19-4ff0-8988-3fbbb462fbe0/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 [2018-11-18 11:32:52,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:32:52,715 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:32:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:32:52,798 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:32:52,927 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 11 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 11:32:52,927 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:32:53,177 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 5 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 11:32:53,194 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:32:53,194 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 11] total 20 [2018-11-18 11:32:53,194 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:32:53,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 11:32:53,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 11:32:53,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2018-11-18 11:32:53,197 INFO L87 Difference]: Start difference. First operand 651 states and 734 transitions. Second operand 15 states. [2018-11-18 11:32:55,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:32:55,318 INFO L93 Difference]: Finished difference Result 2105 states and 2867 transitions. [2018-11-18 11:32:55,323 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-18 11:32:55,324 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 142 [2018-11-18 11:32:55,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:32:55,325 INFO L225 Difference]: With dead ends: 2105 [2018-11-18 11:32:55,325 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:32:55,330 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 274 SyntacticMatches, 12 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 514 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=484, Invalid=1868, Unknown=0, NotChecked=0, Total=2352 [2018-11-18 11:32:55,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:32:55,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:32:55,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:32:55,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:32:55,331 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 142 [2018-11-18 11:32:55,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:32:55,331 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:32:55,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 11:32:55,331 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:32:55,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:32:55,337 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:32:55,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,429 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,431 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,824 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,962 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:55,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:32:56,474 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 20 [2018-11-18 11:32:56,813 WARN L180 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 45 [2018-11-18 11:32:57,327 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 38 [2018-11-18 11:32:57,806 WARN L180 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 52 [2018-11-18 11:32:58,059 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 37 [2018-11-18 11:32:58,503 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 38 [2018-11-18 11:32:58,886 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 40 [2018-11-18 11:32:58,895 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 673 679) the Hoare annotation is: true [2018-11-18 11:32:58,895 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 673 679) no Hoare annotation was computed. [2018-11-18 11:32:58,895 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 680 688) no Hoare annotation was computed. [2018-11-18 11:32:58,895 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 680 688) the Hoare annotation is: true [2018-11-18 11:32:58,895 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 680 688) no Hoare annotation was computed. [2018-11-18 11:32:58,895 INFO L425 ceAbstractionStarter]: For program point L641(lines 641 648) no Hoare annotation was computed. [2018-11-18 11:32:58,895 INFO L425 ceAbstractionStarter]: For program point L641-1(lines 641 648) no Hoare annotation was computed. [2018-11-18 11:32:58,895 INFO L425 ceAbstractionStarter]: For program point L639(line 639) no Hoare annotation was computed. [2018-11-18 11:32:58,895 INFO L421 ceAbstractionStarter]: At program point L638(line 638) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:32:58,895 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 631 653) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:32:58,895 INFO L421 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:32:58,896 INFO L421 ceAbstractionStarter]: At program point L637-1(line 637) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:32:58,896 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 631 653) no Hoare annotation was computed. [2018-11-18 11:32:58,896 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 631 653) no Hoare annotation was computed. [2018-11-18 11:32:58,896 INFO L421 ceAbstractionStarter]: At program point L643(line 643) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 11:32:58,896 INFO L421 ceAbstractionStarter]: At program point L643-1(line 643) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~4 ~systemActive~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 11:32:58,896 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 882 890) no Hoare annotation was computed. [2018-11-18 11:32:58,896 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 882 890) the Hoare annotation is: true [2018-11-18 11:32:58,896 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 882 890) no Hoare annotation was computed. [2018-11-18 11:32:58,896 INFO L425 ceAbstractionStarter]: For program point L955(lines 955 959) no Hoare annotation was computed. [2018-11-18 11:32:58,896 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 946 964) the Hoare annotation is: true [2018-11-18 11:32:58,896 INFO L428 ceAbstractionStarter]: At program point L953(line 953) the Hoare annotation is: true [2018-11-18 11:32:58,896 INFO L425 ceAbstractionStarter]: For program point L955-2(lines 955 959) no Hoare annotation was computed. [2018-11-18 11:32:58,896 INFO L425 ceAbstractionStarter]: For program point L953-1(line 953) no Hoare annotation was computed. [2018-11-18 11:32:58,896 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 946 964) no Hoare annotation was computed. [2018-11-18 11:32:58,896 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 946 964) no Hoare annotation was computed. [2018-11-18 11:32:58,896 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 666 672) no Hoare annotation was computed. [2018-11-18 11:32:58,896 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 666 672) the Hoare annotation is: true [2018-11-18 11:32:58,896 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 618 627) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:32:58,896 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 618 627) no Hoare annotation was computed. [2018-11-18 11:32:58,896 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 618 627) no Hoare annotation was computed. [2018-11-18 11:32:58,897 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 863 870) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-18 11:32:58,897 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 863 870) no Hoare annotation was computed. [2018-11-18 11:32:58,897 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 863 870) no Hoare annotation was computed. [2018-11-18 11:32:58,897 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 830 854) no Hoare annotation was computed. [2018-11-18 11:32:58,897 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 830 854) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-11-18 11:32:58,897 INFO L421 ceAbstractionStarter]: At program point L849(line 849) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-11-18 11:32:58,897 INFO L425 ceAbstractionStarter]: For program point L849-1(lines 830 854) no Hoare annotation was computed. [2018-11-18 11:32:58,897 INFO L421 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-18 11:32:58,897 INFO L421 ceAbstractionStarter]: At program point L840(line 840) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-18 11:32:58,897 INFO L425 ceAbstractionStarter]: For program point L838(lines 838 846) no Hoare annotation was computed. [2018-11-18 11:32:58,897 INFO L421 ceAbstractionStarter]: At program point L836(line 836) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-18 11:32:58,897 INFO L425 ceAbstractionStarter]: For program point L836-1(line 836) no Hoare annotation was computed. [2018-11-18 11:32:58,897 INFO L425 ceAbstractionStarter]: For program point L834(lines 834 851) no Hoare annotation was computed. [2018-11-18 11:32:58,897 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 529 542) no Hoare annotation was computed. [2018-11-18 11:32:58,897 INFO L425 ceAbstractionStarter]: For program point L533(lines 533 539) no Hoare annotation was computed. [2018-11-18 11:32:58,897 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 529 542) the Hoare annotation is: true [2018-11-18 11:32:58,897 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 529 542) no Hoare annotation was computed. [2018-11-18 11:32:58,897 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 796 802) no Hoare annotation was computed. [2018-11-18 11:32:58,898 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 796 802) the Hoare annotation is: true [2018-11-18 11:32:58,898 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 700 765) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:32:58,898 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 700 765) no Hoare annotation was computed. [2018-11-18 11:32:58,898 INFO L421 ceAbstractionStarter]: At program point L758(lines 709 759) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 11:32:58,898 INFO L425 ceAbstractionStarter]: For program point L748(lines 748 752) no Hoare annotation was computed. [2018-11-18 11:32:58,898 INFO L421 ceAbstractionStarter]: At program point L748-2(lines 740 753) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 11:32:58,898 INFO L425 ceAbstractionStarter]: For program point L711(lines 710 757) no Hoare annotation was computed. [2018-11-18 11:32:58,898 INFO L421 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 11:32:58,898 INFO L425 ceAbstractionStarter]: For program point L740(lines 740 753) no Hoare annotation was computed. [2018-11-18 11:32:58,898 INFO L421 ceAbstractionStarter]: At program point L732(line 732) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 11:32:58,898 INFO L425 ceAbstractionStarter]: For program point L730(lines 730 736) no Hoare annotation was computed. [2018-11-18 11:32:58,898 INFO L425 ceAbstractionStarter]: For program point L730-1(lines 730 736) no Hoare annotation was computed. [2018-11-18 11:32:58,898 INFO L421 ceAbstractionStarter]: At program point L755(lines 710 757) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 11:32:58,899 INFO L421 ceAbstractionStarter]: At program point L722(line 722) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 1)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0 .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 11:32:58,899 INFO L425 ceAbstractionStarter]: For program point L720(lines 720 726) no Hoare annotation was computed. [2018-11-18 11:32:58,899 INFO L425 ceAbstractionStarter]: For program point L720-1(lines 720 726) no Hoare annotation was computed. [2018-11-18 11:32:58,899 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 716) no Hoare annotation was computed. [2018-11-18 11:32:58,899 INFO L425 ceAbstractionStarter]: For program point L710-1(lines 710 757) no Hoare annotation was computed. [2018-11-18 11:32:58,899 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 700 765) no Hoare annotation was computed. [2018-11-18 11:32:58,899 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 543 551) no Hoare annotation was computed. [2018-11-18 11:32:58,899 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 543 551) the Hoare annotation is: true [2018-11-18 11:32:58,899 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 543 551) no Hoare annotation was computed. [2018-11-18 11:32:58,899 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:32:58,899 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 11:32:58,899 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:32:58,899 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 855 862) no Hoare annotation was computed. [2018-11-18 11:32:58,899 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 855 862) no Hoare annotation was computed. [2018-11-18 11:32:58,899 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 855 862) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (not (= ~systemActive~0 1))) [2018-11-18 11:32:58,899 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 927 945) no Hoare annotation was computed. [2018-11-18 11:32:58,899 INFO L425 ceAbstractionStarter]: For program point L936(lines 936 940) no Hoare annotation was computed. [2018-11-18 11:32:58,899 INFO L428 ceAbstractionStarter]: At program point L934(line 934) the Hoare annotation is: true [2018-11-18 11:32:58,899 INFO L425 ceAbstractionStarter]: For program point L936-2(lines 936 940) no Hoare annotation was computed. [2018-11-18 11:32:58,900 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 927 945) the Hoare annotation is: true [2018-11-18 11:32:58,900 INFO L425 ceAbstractionStarter]: For program point L934-1(line 934) no Hoare annotation was computed. [2018-11-18 11:32:58,900 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 927 945) no Hoare annotation was computed. [2018-11-18 11:32:58,900 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 520 528) the Hoare annotation is: true [2018-11-18 11:32:58,900 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 520 528) no Hoare annotation was computed. [2018-11-18 11:32:58,900 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 520 528) no Hoare annotation was computed. [2018-11-18 11:32:58,900 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 476 487) no Hoare annotation was computed. [2018-11-18 11:32:58,900 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 476 487) the Hoare annotation is: (let ((.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (= 0 ~methaneLevelCritical~0))) (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not .cse5)) (.cse7 (or (not (= 1 ~pumpRunning~0)) .cse4)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse4 .cse6) (or .cse7 .cse2 .cse3 .cse0) (or (= ~methaneLevelCritical~0 0) .cse7 .cse3 .cse6)))) [2018-11-18 11:32:58,900 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 476 487) no Hoare annotation was computed. [2018-11-18 11:32:58,900 INFO L421 ceAbstractionStarter]: At program point L785(line 785) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (or .cse0 .cse1 .cse2)) (or .cse3 .cse4 .cse5 .cse1) (or (and .cse6 (<= ~waterLevel~0 1) .cse3) (or .cse0 .cse1) .cse5) (or .cse4 .cse6 .cse5 .cse1) (or .cse4 (= ~waterLevel~0 2) .cse1 (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) (or .cse4 .cse1 (= 1 ~waterLevel~0) .cse2))) [2018-11-18 11:32:58,901 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 772 795) the Hoare annotation is: (let ((.cse3 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (let ((.cse8 (= ~waterLevel~0 2)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= |old(~waterLevel~0)| 2))) (.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse0 (or .cse3 .cse4)) (.cse2 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse1 (< 2 |old(~waterLevel~0)|)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse9 (= 1 ~waterLevel~0)) (.cse5 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2) (or (and (or .cse3 .cse4 .cse5) (or (or .cse6 .cse7) .cse0)) (or .cse8 .cse9)) (or .cse10 .cse11 .cse1 .cse4) (or .cse10 .cse8 .cse4 .cse6 .cse7) (or .cse11 (< 1 |old(~waterLevel~0)|) .cse0) (or .cse2 .cse10 .cse1 .cse4) (or .cse10 .cse4 .cse9 .cse5)))) [2018-11-18 11:32:58,901 INFO L421 ceAbstractionStarter]: At program point L783(lines 783 789) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 1)) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse6 (<= ~waterLevel~0 1)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse5 (< 2 |old(~waterLevel~0)|)) (.cse9 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) (or .cse0 .cse1 .cse2)) (or .cse3 (and (<= ~waterLevel~0 2) .cse4) .cse5 (and .cse6 .cse7) .cse1) (or .cse3 .cse1 .cse7 .cse2 .cse8) (or .cse3 (and .cse4 (or (= ~waterLevel~0 2) (= ~waterLevel~0 1))) .cse1 .cse8 (not (= |old(~waterLevel~0)| 2))) (or (and .cse9 (= 0 ~pumpRunning~0) .cse6) (and .cse9 .cse6 .cse7) (or .cse0 .cse1) .cse5) (or (< 1 |old(~waterLevel~0)|) .cse3 .cse9 .cse1) (or (= 1 ~waterLevel~0) .cse3 .cse1 .cse2))) [2018-11-18 11:32:58,901 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 772 795) no Hoare annotation was computed. [2018-11-18 11:32:58,901 INFO L421 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (let ((.cse2 (or .cse0 .cse1)) (.cse3 (< 2 |old(~waterLevel~0)|))) (and (or (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (or (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) .cse2)) (or (= 1 ~waterLevel~0) (= ~waterLevel~0 2))) (or (not (= 0 |old(~pumpRunning~0)|)) .cse3 .cse1) (or (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 .cse3)))) [2018-11-18 11:32:58,901 INFO L425 ceAbstractionStarter]: For program point L776(lines 775 794) no Hoare annotation was computed. [2018-11-18 11:32:58,901 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 772 795) no Hoare annotation was computed. [2018-11-18 11:32:58,901 INFO L425 ceAbstractionStarter]: For program point L576(line 576) no Hoare annotation was computed. [2018-11-18 11:32:58,901 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 555 584) no Hoare annotation was computed. [2018-11-18 11:32:58,901 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-18 11:32:58,901 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 555 584) the Hoare annotation is: true [2018-11-18 11:32:58,901 INFO L425 ceAbstractionStarter]: For program point L569(lines 569 573) no Hoare annotation was computed. [2018-11-18 11:32:58,902 INFO L428 ceAbstractionStarter]: At program point L569-1(lines 569 573) the Hoare annotation is: true [2018-11-18 11:32:58,902 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 565 579) no Hoare annotation was computed. [2018-11-18 11:32:58,902 INFO L428 ceAbstractionStarter]: At program point L565-3(lines 565 579) the Hoare annotation is: true [2018-11-18 11:32:58,902 INFO L428 ceAbstractionStarter]: At program point L561(line 561) the Hoare annotation is: true [2018-11-18 11:32:58,902 INFO L425 ceAbstractionStarter]: For program point L561-1(line 561) no Hoare annotation was computed. [2018-11-18 11:32:58,902 INFO L428 ceAbstractionStarter]: At program point L580(lines 555 584) the Hoare annotation is: true [2018-11-18 11:32:58,902 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 488 496) the Hoare annotation is: true [2018-11-18 11:32:58,902 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 488 496) no Hoare annotation was computed. [2018-11-18 11:32:58,902 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 488 496) no Hoare annotation was computed. [2018-11-18 11:32:58,902 INFO L428 ceAbstractionStarter]: At program point L417(line 417) the Hoare annotation is: true [2018-11-18 11:32:58,902 INFO L425 ceAbstractionStarter]: For program point L417-1(line 417) no Hoare annotation was computed. [2018-11-18 11:32:58,902 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 410 442) no Hoare annotation was computed. [2018-11-18 11:32:58,902 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 410 442) the Hoare annotation is: true [2018-11-18 11:32:58,903 INFO L421 ceAbstractionStarter]: At program point L433(line 433) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0) (or (< 2 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0))) [2018-11-18 11:32:58,903 INFO L425 ceAbstractionStarter]: For program point L429(lines 429 435) no Hoare annotation was computed. [2018-11-18 11:32:58,903 INFO L421 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (< 2 ~waterLevel~0)) (.cse3 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or (= __utac_acc__Specification3_spec__1_~tmp~3 ~methaneLevelCritical~0) .cse2 .cse3 .cse1) (or .cse0 .cse3 .cse1) (or (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse1))) [2018-11-18 11:32:58,903 INFO L425 ceAbstractionStarter]: For program point L427-1(line 427) no Hoare annotation was computed. [2018-11-18 11:32:58,903 INFO L425 ceAbstractionStarter]: For program point L425(lines 425 438) no Hoare annotation was computed. [2018-11-18 11:32:58,903 INFO L425 ceAbstractionStarter]: For program point L425-1(lines 410 442) no Hoare annotation was computed. [2018-11-18 11:32:58,903 INFO L421 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: (let ((.cse0 (= __utac_acc__Specification3_spec__1_~tmp~3 ~methaneLevelCritical~0)) (.cse1 (< 1 ~waterLevel~0)) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse4 (< 2 ~waterLevel~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse3) (or .cse1 .cse2 .cse6 .cse3) (or .cse6 .cse4 .cse5 .cse3))) [2018-11-18 11:32:58,903 INFO L425 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2018-11-18 11:32:58,903 INFO L425 ceAbstractionStarter]: For program point L419(lines 419 439) no Hoare annotation was computed. [2018-11-18 11:32:58,904 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 452 463) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1)))) (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (or (= ~pumpRunning~0 0) .cse2))) (and (or (or (= 1 ~waterLevel~0) (= ~waterLevel~0 2)) (and (or (or (not (= ~methaneLevelCritical~0 0)) (not (= |old(~waterLevel~0)| 2))) .cse0 .cse1) (or .cse0 .cse2 (not (= |old(~waterLevel~0)| 1))))) (or (< 1 |old(~waterLevel~0)|) (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 .cse1) (or (< 2 |old(~waterLevel~0)|) .cse0 (<= ~waterLevel~0 2) .cse1)))) [2018-11-18 11:32:58,904 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 452 463) no Hoare annotation was computed. [2018-11-18 11:32:58,904 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 452 463) no Hoare annotation was computed. [2018-11-18 11:32:58,904 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 610 616) no Hoare annotation was computed. [2018-11-18 11:32:58,904 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 610 616) the Hoare annotation is: true [2018-11-18 11:32:58,904 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:32:58,904 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-18 11:32:58,904 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:32:58,904 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:32:58,904 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 804 828) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-11-18 11:32:58,904 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 804 828) no Hoare annotation was computed. [2018-11-18 11:32:58,904 INFO L421 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-11-18 11:32:58,905 INFO L425 ceAbstractionStarter]: For program point L823-1(lines 804 828) no Hoare annotation was computed. [2018-11-18 11:32:58,905 INFO L421 ceAbstractionStarter]: At program point L818(line 818) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or .cse1 (= processEnvironment__wrappee__highWaterSensor_~tmp~6 0) .cse0 (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) (or .cse1 (< 2 ~waterLevel~0) .cse0 (and (<= ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-18 11:32:58,905 INFO L421 ceAbstractionStarter]: At program point L814(line 814) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))))) [2018-11-18 11:32:58,905 INFO L425 ceAbstractionStarter]: For program point L812(lines 812 820) no Hoare annotation was computed. [2018-11-18 11:32:58,905 INFO L421 ceAbstractionStarter]: At program point L810(line 810) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-11-18 11:32:58,905 INFO L425 ceAbstractionStarter]: For program point L810-1(line 810) no Hoare annotation was computed. [2018-11-18 11:32:58,905 INFO L425 ceAbstractionStarter]: For program point L808(lines 808 825) no Hoare annotation was computed. [2018-11-18 11:32:58,905 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 965 972) no Hoare annotation was computed. [2018-11-18 11:32:58,905 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 965 972) the Hoare annotation is: (let ((.cse2 (not (= |old(~systemActive~0)| 1))) (.cse0 (= ~systemActive~0 1)) (.cse1 (< 2 ~waterLevel~0))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1 .cse2) (or (or (not (= 1 ~pumpRunning~0)) .cse2) .cse0 .cse1))) [2018-11-18 11:32:58,905 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 965 972) no Hoare annotation was computed. [2018-11-18 11:32:58,905 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 464 475) no Hoare annotation was computed. [2018-11-18 11:32:58,905 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 464 475) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse3 (= 1 ~waterLevel~0)) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or (< 2 |old(~waterLevel~0)|) .cse4 (<= ~waterLevel~0 2) .cse1) (or (not (= |old(~waterLevel~0)| 2)) .cse4 .cse1 (or (= ~waterLevel~0 2) (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) (or .cse5 .cse0 .cse1 .cse6) (or .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse6 .cse4 .cse1))) [2018-11-18 11:32:58,905 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 464 475) no Hoare annotation was computed. [2018-11-18 11:32:58,905 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 690 697) no Hoare annotation was computed. [2018-11-18 11:32:58,905 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 690 697) the Hoare annotation is: true [2018-11-18 11:32:58,906 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 694) no Hoare annotation was computed. [2018-11-18 11:32:58,906 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 690 697) no Hoare annotation was computed. [2018-11-18 11:32:58,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:32:58 BoogieIcfgContainer [2018-11-18 11:32:58,914 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:32:58,914 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:32:58,914 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:32:58,914 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:32:58,914 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:32:41" (3/4) ... [2018-11-18 11:32:58,917 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:32:58,921 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 11:32:58,922 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 11:32:58,922 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:32:58,922 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 11:32:58,922 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 11:32:58,922 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 11:32:58,922 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 11:32:58,922 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 11:32:58,922 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 11:32:58,922 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 11:32:58,922 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 11:32:58,922 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 11:32:58,922 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 11:32:58,922 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:32:58,922 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 11:32:58,922 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 11:32:58,922 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 11:32:58,922 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 11:32:58,922 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 11:32:58,922 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 11:32:58,922 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 11:32:58,922 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-18 11:32:58,922 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 11:32:58,922 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 11:32:58,923 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 11:32:58,923 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 11:32:58,923 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 11:32:58,923 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 11:32:58,930 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-11-18 11:32:58,930 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 11:32:58,931 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 11:32:58,952 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel <= 2 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 11:32:58,952 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 11:32:58,985 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ce4354a3-bd19-4ff0-8988-3fbbb462fbe0/bin-2019/utaipan/witness.graphml [2018-11-18 11:32:58,986 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:32:58,986 INFO L168 Benchmark]: Toolchain (without parser) took 18478.96 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 1.0 GB). Free memory was 956.6 MB in the beginning and 1.0 GB in the end (delta: -45.1 MB). Peak memory consumption was 968.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:32:58,987 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:32:58,987 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -182.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:32:58,987 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.66 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:32:58,987 INFO L168 Benchmark]: Boogie Preprocessor took 28.08 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:32:58,988 INFO L168 Benchmark]: RCFGBuilder took 542.56 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: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:32:58,988 INFO L168 Benchmark]: TraceAbstraction took 17473.14 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 866.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.3 MB). Peak memory consumption was 949.4 MB. Max. memory is 11.5 GB. [2018-11-18 11:32:58,988 INFO L168 Benchmark]: Witness Printer took 71.75 ms. Allocated memory is still 2.0 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2018-11-18 11:32:58,989 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 339.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -182.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.66 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.08 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 542.56 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: 62.7 MB). Peak memory consumption was 62.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 17473.14 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 866.1 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.3 MB). Peak memory consumption was 949.4 MB. Max. memory is 11.5 GB. * Witness Printer took 71.75 ms. Allocated memory is still 2.0 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 694]: 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: 710]: Loop Invariant Derived loop invariant: (((((((waterLevel <= 2 && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 709]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 29 procedures, 153 locations, 1 error locations. SAFE Result, 17.4s OverallTime, 13 OverallIterations, 2 TraceHistogramMax, 9.5s AutomataDifference, 0.0s DeadEndRemovalTime, 3.5s HoareAnnotationTime, HoareTripleCheckerStatistics: 2179 SDtfs, 1973 SDslu, 8099 SDs, 0 SdLazy, 3760 SolverSat, 1031 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 724 GetRequests, 560 SyntacticMatches, 14 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 725 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=651occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.6s AbstIntTime, 3 AbstIntIterations, 2 AbstIntStrong, 0.9978833301187071 AbsIntWeakeningRatio, 0.935251798561151 AbsIntAvgWeakeningVarsNumRemoved, 43.618705035971225 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 82 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 2087 PreInvPairs, 2486 NumberOfFragments, 1860 HoareAnnotationTreeSize, 2087 FomulaSimplifications, 7495 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 62 FomulaSimplificationsInter, 20240 FormulaSimplificationTreeSizeReductionInter, 2.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1334 NumberOfCodeBlocks, 1334 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1461 ConstructedInterpolants, 0 QuantifiedInterpolants, 257976 SizeOfPredicates, 7 NumberOfNonLiveVariables, 766 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 110/130 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...