./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product37_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8b725aad-6075-4255-9500-06e80a05b1cd/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8b725aad-6075-4255-9500-06e80a05b1cd/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8b725aad-6075-4255-9500-06e80a05b1cd/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8b725aad-6075-4255-9500-06e80a05b1cd/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product37_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8b725aad-6075-4255-9500-06e80a05b1cd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8b725aad-6075-4255-9500-06e80a05b1cd/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 1b0c0c83f247eef1881f0b5170efc2ede9b08897 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 05:48:20,684 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 05:48:20,685 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 05:48:20,691 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 05:48:20,691 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 05:48:20,692 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 05:48:20,692 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 05:48:20,693 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 05:48:20,694 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 05:48:20,694 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 05:48:20,695 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 05:48:20,695 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 05:48:20,695 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 05:48:20,696 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 05:48:20,696 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 05:48:20,697 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 05:48:20,697 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 05:48:20,698 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 05:48:20,699 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 05:48:20,699 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 05:48:20,700 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 05:48:20,701 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 05:48:20,702 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 05:48:20,702 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 05:48:20,702 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 05:48:20,702 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 05:48:20,703 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 05:48:20,703 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 05:48:20,704 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 05:48:20,704 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 05:48:20,704 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 05:48:20,705 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 05:48:20,705 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 05:48:20,705 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 05:48:20,705 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 05:48:20,706 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 05:48:20,706 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8b725aad-6075-4255-9500-06e80a05b1cd/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 05:48:20,713 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 05:48:20,713 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 05:48:20,713 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 05:48:20,713 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 05:48:20,714 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 05:48:20,714 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 05:48:20,714 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 05:48:20,714 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 05:48:20,714 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 05:48:20,714 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 05:48:20,714 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 05:48:20,714 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 05:48:20,714 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 05:48:20,715 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 05:48:20,715 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 05:48:20,715 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 05:48:20,715 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 05:48:20,715 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 05:48:20,715 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 05:48:20,715 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 05:48:20,715 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 05:48:20,715 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 05:48:20,715 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 05:48:20,715 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 05:48:20,715 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 05:48:20,715 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 05:48:20,716 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 05:48:20,716 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 05:48:20,716 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 05:48:20,716 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 05:48:20,716 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 05:48:20,716 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 05:48:20,716 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 05:48:20,716 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 05:48:20,716 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 05:48:20,716 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 05:48:20,716 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_8b725aad-6075-4255-9500-06e80a05b1cd/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 -> 1b0c0c83f247eef1881f0b5170efc2ede9b08897 [2018-12-09 05:48:20,734 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 05:48:20,743 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 05:48:20,745 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 05:48:20,747 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 05:48:20,747 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 05:48:20,747 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8b725aad-6075-4255-9500-06e80a05b1cd/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec3_product37_true-unreach-call_false-termination.cil.c [2018-12-09 05:48:20,785 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8b725aad-6075-4255-9500-06e80a05b1cd/bin-2019/utaipan/data/b97f4111a/532dc1ad5bd845679e09f7c7ad8bd32d/FLAGbe89a5620 [2018-12-09 05:48:21,247 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 05:48:21,248 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8b725aad-6075-4255-9500-06e80a05b1cd/sv-benchmarks/c/product-lines/minepump_spec3_product37_true-unreach-call_false-termination.cil.c [2018-12-09 05:48:21,254 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8b725aad-6075-4255-9500-06e80a05b1cd/bin-2019/utaipan/data/b97f4111a/532dc1ad5bd845679e09f7c7ad8bd32d/FLAGbe89a5620 [2018-12-09 05:48:21,264 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8b725aad-6075-4255-9500-06e80a05b1cd/bin-2019/utaipan/data/b97f4111a/532dc1ad5bd845679e09f7c7ad8bd32d [2018-12-09 05:48:21,265 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 05:48:21,266 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 05:48:21,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 05:48:21,267 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 05:48:21,269 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 05:48:21,270 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:48:21" (1/1) ... [2018-12-09 05:48:21,271 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47e4a87b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:48:21, skipping insertion in model container [2018-12-09 05:48:21,272 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:48:21" (1/1) ... [2018-12-09 05:48:21,276 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 05:48:21,297 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 05:48:21,444 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 05:48:21,452 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 05:48:21,529 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 05:48:21,543 INFO L195 MainTranslator]: Completed translation [2018-12-09 05:48:21,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:48:21 WrapperNode [2018-12-09 05:48:21,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 05:48:21,544 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 05:48:21,544 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 05:48:21,544 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 05:48:21,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:48:21" (1/1) ... [2018-12-09 05:48:21,559 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:48:21" (1/1) ... [2018-12-09 05:48:21,564 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 05:48:21,564 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 05:48:21,564 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 05:48:21,564 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 05:48:21,570 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:48:21" (1/1) ... [2018-12-09 05:48:21,570 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:48:21" (1/1) ... [2018-12-09 05:48:21,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:48:21" (1/1) ... [2018-12-09 05:48:21,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:48:21" (1/1) ... [2018-12-09 05:48:21,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:48:21" (1/1) ... [2018-12-09 05:48:21,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:48:21" (1/1) ... [2018-12-09 05:48:21,584 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:48:21" (1/1) ... [2018-12-09 05:48:21,586 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 05:48:21,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 05:48:21,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 05:48:21,587 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 05:48:21,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:48:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8b725aad-6075-4255-9500-06e80a05b1cd/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 05:48:21,620 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-09 05:48:21,621 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-09 05:48:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 05:48:21,621 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 05:48:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 05:48:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-09 05:48:21,621 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-09 05:48:21,621 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-09 05:48:21,621 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-09 05:48:21,622 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-09 05:48:21,622 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-09 05:48:21,622 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-09 05:48:21,622 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-09 05:48:21,622 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-09 05:48:21,622 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-09 05:48:21,622 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-09 05:48:21,622 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-09 05:48:21,623 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-09 05:48:21,623 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-09 05:48:21,623 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-09 05:48:21,623 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-09 05:48:21,623 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-09 05:48:21,623 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-09 05:48:21,623 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-09 05:48:21,623 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-09 05:48:21,623 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-09 05:48:21,623 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-09 05:48:21,623 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-09 05:48:21,623 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-09 05:48:21,624 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 05:48:21,624 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 05:48:21,624 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-09 05:48:21,624 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-09 05:48:21,624 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-09 05:48:21,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-09 05:48:21,624 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-09 05:48:21,624 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-09 05:48:21,624 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-09 05:48:21,624 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-09 05:48:21,624 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-09 05:48:21,624 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-09 05:48:21,625 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-09 05:48:21,625 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-09 05:48:21,625 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-09 05:48:21,625 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-09 05:48:21,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-09 05:48:21,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 05:48:21,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 05:48:21,625 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-09 05:48:21,625 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-09 05:48:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-09 05:48:21,626 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-09 05:48:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-09 05:48:21,626 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-09 05:48:21,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 05:48:21,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 05:48:21,936 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 05:48:21,936 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 05:48:21,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:48:21 BoogieIcfgContainer [2018-12-09 05:48:21,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 05:48:21,936 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 05:48:21,937 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 05:48:21,938 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 05:48:21,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 05:48:21" (1/3) ... [2018-12-09 05:48:21,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a7be0a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:48:21, skipping insertion in model container [2018-12-09 05:48:21,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:48:21" (2/3) ... [2018-12-09 05:48:21,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a7be0a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 05:48:21, skipping insertion in model container [2018-12-09 05:48:21,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:48:21" (3/3) ... [2018-12-09 05:48:21,940 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product37_true-unreach-call_false-termination.cil.c [2018-12-09 05:48:21,946 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 05:48:21,951 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 05:48:21,960 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 05:48:21,981 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 05:48:21,981 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 05:48:21,981 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 05:48:21,981 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 05:48:21,981 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 05:48:21,981 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 05:48:21,981 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 05:48:21,981 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 05:48:21,994 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states. [2018-12-09 05:48:22,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-09 05:48:22,001 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:48:22,001 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:48:22,003 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:48:22,006 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:48:22,006 INFO L82 PathProgramCache]: Analyzing trace with hash -627284051, now seen corresponding path program 1 times [2018-12-09 05:48:22,007 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:48:22,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:48:22,036 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:48:22,036 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:48:22,036 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:48:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:48:22,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:48:22,171 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:48:22,171 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 05:48:22,171 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:48:22,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 05:48:22,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 05:48:22,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 05:48:22,183 INFO L87 Difference]: Start difference. First operand 142 states. Second operand 2 states. [2018-12-09 05:48:22,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:48:22,205 INFO L93 Difference]: Finished difference Result 258 states and 321 transitions. [2018-12-09 05:48:22,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 05:48:22,206 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-09 05:48:22,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:48:22,212 INFO L225 Difference]: With dead ends: 258 [2018-12-09 05:48:22,212 INFO L226 Difference]: Without dead ends: 129 [2018-12-09 05:48:22,215 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 05:48:22,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-12-09 05:48:22,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-12-09 05:48:22,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-12-09 05:48:22,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 152 transitions. [2018-12-09 05:48:22,244 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 152 transitions. Word has length 52 [2018-12-09 05:48:22,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:48:22,245 INFO L480 AbstractCegarLoop]: Abstraction has 129 states and 152 transitions. [2018-12-09 05:48:22,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 05:48:22,245 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 152 transitions. [2018-12-09 05:48:22,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-09 05:48:22,247 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:48:22,247 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:48:22,247 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:48:22,247 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:48:22,247 INFO L82 PathProgramCache]: Analyzing trace with hash -831667335, now seen corresponding path program 1 times [2018-12-09 05:48:22,248 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:48:22,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:48:22,248 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:48:22,248 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:48:22,248 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:48:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:48:22,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:48:22,301 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:48:22,301 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 05:48:22,301 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:48:22,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 05:48:22,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 05:48:22,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 05:48:22,303 INFO L87 Difference]: Start difference. First operand 129 states and 152 transitions. Second operand 3 states. [2018-12-09 05:48:22,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:48:22,315 INFO L93 Difference]: Finished difference Result 207 states and 243 transitions. [2018-12-09 05:48:22,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 05:48:22,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-09 05:48:22,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:48:22,316 INFO L225 Difference]: With dead ends: 207 [2018-12-09 05:48:22,316 INFO L226 Difference]: Without dead ends: 120 [2018-12-09 05:48:22,317 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 05:48:22,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-12-09 05:48:22,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-12-09 05:48:22,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-12-09 05:48:22,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 140 transitions. [2018-12-09 05:48:22,324 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 140 transitions. Word has length 53 [2018-12-09 05:48:22,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:48:22,324 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 140 transitions. [2018-12-09 05:48:22,324 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 05:48:22,324 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 140 transitions. [2018-12-09 05:48:22,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 05:48:22,325 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:48:22,325 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:48:22,325 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:48:22,325 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:48:22,326 INFO L82 PathProgramCache]: Analyzing trace with hash 276108552, now seen corresponding path program 1 times [2018-12-09 05:48:22,326 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:48:22,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:48:22,326 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:48:22,326 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:48:22,326 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:48:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:48:22,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:48:22,388 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:48:22,388 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 05:48:22,388 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:48:22,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 05:48:22,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 05:48:22,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-09 05:48:22,389 INFO L87 Difference]: Start difference. First operand 120 states and 140 transitions. Second operand 7 states. [2018-12-09 05:48:22,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:48:22,538 INFO L93 Difference]: Finished difference Result 216 states and 257 transitions. [2018-12-09 05:48:22,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 05:48:22,539 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-09 05:48:22,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:48:22,540 INFO L225 Difference]: With dead ends: 216 [2018-12-09 05:48:22,540 INFO L226 Difference]: Without dead ends: 120 [2018-12-09 05:48:22,540 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 05:48:22,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-12-09 05:48:22,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-12-09 05:48:22,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-12-09 05:48:22,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 139 transitions. [2018-12-09 05:48:22,547 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 139 transitions. Word has length 57 [2018-12-09 05:48:22,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:48:22,547 INFO L480 AbstractCegarLoop]: Abstraction has 120 states and 139 transitions. [2018-12-09 05:48:22,547 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 05:48:22,547 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 139 transitions. [2018-12-09 05:48:22,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 05:48:22,548 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:48:22,548 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:48:22,549 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:48:22,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:48:22,549 INFO L82 PathProgramCache]: Analyzing trace with hash 984213394, now seen corresponding path program 1 times [2018-12-09 05:48:22,549 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:48:22,549 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:48:22,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:48:22,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:48:22,550 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:48:22,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:48:22,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:48:22,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:48:22,605 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 05:48:22,605 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:48:22,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 05:48:22,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 05:48:22,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 05:48:22,606 INFO L87 Difference]: Start difference. First operand 120 states and 139 transitions. Second operand 5 states. [2018-12-09 05:48:22,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:48:22,841 INFO L93 Difference]: Finished difference Result 322 states and 389 transitions. [2018-12-09 05:48:22,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 05:48:22,841 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-09 05:48:22,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:48:22,843 INFO L225 Difference]: With dead ends: 322 [2018-12-09 05:48:22,843 INFO L226 Difference]: Without dead ends: 226 [2018-12-09 05:48:22,844 INFO L631 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 [2018-12-09 05:48:22,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-12-09 05:48:22,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 208. [2018-12-09 05:48:22,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2018-12-09 05:48:22,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 238 transitions. [2018-12-09 05:48:22,858 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 238 transitions. Word has length 70 [2018-12-09 05:48:22,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:48:22,859 INFO L480 AbstractCegarLoop]: Abstraction has 208 states and 238 transitions. [2018-12-09 05:48:22,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 05:48:22,859 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 238 transitions. [2018-12-09 05:48:22,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 05:48:22,860 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:48:22,860 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:48:22,860 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:48:22,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:48:22,860 INFO L82 PathProgramCache]: Analyzing trace with hash -13182587, now seen corresponding path program 1 times [2018-12-09 05:48:22,861 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:48:22,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:48:22,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:48:22,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:48:22,861 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:48:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:48:22,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:48:22,930 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:48:22,930 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 05:48:22,930 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:48:22,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 05:48:22,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 05:48:22,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 05:48:22,931 INFO L87 Difference]: Start difference. First operand 208 states and 238 transitions. Second operand 6 states. [2018-12-09 05:48:23,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:48:23,044 INFO L93 Difference]: Finished difference Result 504 states and 609 transitions. [2018-12-09 05:48:23,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 05:48:23,045 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-09 05:48:23,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:48:23,047 INFO L225 Difference]: With dead ends: 504 [2018-12-09 05:48:23,048 INFO L226 Difference]: Without dead ends: 320 [2018-12-09 05:48:23,049 INFO L631 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 [2018-12-09 05:48:23,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-12-09 05:48:23,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 316. [2018-12-09 05:48:23,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2018-12-09 05:48:23,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 368 transitions. [2018-12-09 05:48:23,073 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 368 transitions. Word has length 84 [2018-12-09 05:48:23,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:48:23,073 INFO L480 AbstractCegarLoop]: Abstraction has 316 states and 368 transitions. [2018-12-09 05:48:23,073 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 05:48:23,073 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 368 transitions. [2018-12-09 05:48:23,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 05:48:23,074 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:48:23,075 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:48:23,075 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:48:23,075 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:48:23,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1190699199, now seen corresponding path program 1 times [2018-12-09 05:48:23,075 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:48:23,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:48:23,076 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:48:23,076 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:48:23,076 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:48:23,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:48:23,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:48:23,170 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:48:23,170 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 05:48:23,170 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:48:23,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 05:48:23,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 05:48:23,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-09 05:48:23,171 INFO L87 Difference]: Start difference. First operand 316 states and 368 transitions. Second operand 6 states. [2018-12-09 05:48:23,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:48:23,318 INFO L93 Difference]: Finished difference Result 679 states and 825 transitions. [2018-12-09 05:48:23,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 05:48:23,319 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-09 05:48:23,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:48:23,321 INFO L225 Difference]: With dead ends: 679 [2018-12-09 05:48:23,322 INFO L226 Difference]: Without dead ends: 495 [2018-12-09 05:48:23,323 INFO L631 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 [2018-12-09 05:48:23,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2018-12-09 05:48:23,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 477. [2018-12-09 05:48:23,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2018-12-09 05:48:23,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 569 transitions. [2018-12-09 05:48:23,353 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 569 transitions. Word has length 88 [2018-12-09 05:48:23,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:48:23,353 INFO L480 AbstractCegarLoop]: Abstraction has 477 states and 569 transitions. [2018-12-09 05:48:23,353 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 05:48:23,353 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 569 transitions. [2018-12-09 05:48:23,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 05:48:23,355 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:48:23,355 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:48:23,355 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:48:23,355 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:48:23,355 INFO L82 PathProgramCache]: Analyzing trace with hash 268015616, now seen corresponding path program 1 times [2018-12-09 05:48:23,355 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:48:23,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:48:23,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:48:23,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:48:23,356 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:48:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:48:23,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:48:23,404 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:48:23,404 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 05:48:23,404 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:48:23,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 05:48:23,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 05:48:23,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 05:48:23,405 INFO L87 Difference]: Start difference. First operand 477 states and 569 transitions. Second operand 5 states. [2018-12-09 05:48:23,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:48:23,427 INFO L93 Difference]: Finished difference Result 832 states and 1014 transitions. [2018-12-09 05:48:23,427 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 05:48:23,427 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2018-12-09 05:48:23,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:48:23,429 INFO L225 Difference]: With dead ends: 832 [2018-12-09 05:48:23,429 INFO L226 Difference]: Without dead ends: 487 [2018-12-09 05:48:23,430 INFO L631 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 [2018-12-09 05:48:23,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2018-12-09 05:48:23,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 481. [2018-12-09 05:48:23,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2018-12-09 05:48:23,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 572 transitions. [2018-12-09 05:48:23,447 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 572 transitions. Word has length 88 [2018-12-09 05:48:23,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:48:23,447 INFO L480 AbstractCegarLoop]: Abstraction has 481 states and 572 transitions. [2018-12-09 05:48:23,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 05:48:23,447 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 572 transitions. [2018-12-09 05:48:23,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 05:48:23,448 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:48:23,448 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:48:23,448 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:48:23,448 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:48:23,448 INFO L82 PathProgramCache]: Analyzing trace with hash -575989886, now seen corresponding path program 1 times [2018-12-09 05:48:23,448 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:48:23,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:48:23,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:48:23,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:48:23,449 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:48:23,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:48:23,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:48:23,505 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:48:23,505 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-09 05:48:23,505 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:48:23,506 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 05:48:23,506 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 05:48:23,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-09 05:48:23,506 INFO L87 Difference]: Start difference. First operand 481 states and 572 transitions. Second operand 9 states. [2018-12-09 05:48:23,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:48:23,556 INFO L93 Difference]: Finished difference Result 944 states and 1146 transitions. [2018-12-09 05:48:23,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 05:48:23,556 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2018-12-09 05:48:23,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:48:23,559 INFO L225 Difference]: With dead ends: 944 [2018-12-09 05:48:23,559 INFO L226 Difference]: Without dead ends: 487 [2018-12-09 05:48:23,560 INFO L631 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 [2018-12-09 05:48:23,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2018-12-09 05:48:23,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 481. [2018-12-09 05:48:23,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 481 states. [2018-12-09 05:48:23,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 570 transitions. [2018-12-09 05:48:23,585 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 570 transitions. Word has length 88 [2018-12-09 05:48:23,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:48:23,586 INFO L480 AbstractCegarLoop]: Abstraction has 481 states and 570 transitions. [2018-12-09 05:48:23,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 05:48:23,586 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 570 transitions. [2018-12-09 05:48:23,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-09 05:48:23,587 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:48:23,588 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:48:23,588 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:48:23,588 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:48:23,588 INFO L82 PathProgramCache]: Analyzing trace with hash 1204861054, now seen corresponding path program 1 times [2018-12-09 05:48:23,589 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:48:23,589 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:48:23,589 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:48:23,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:48:23,590 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:48:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:48:23,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 05:48:23,666 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 05:48:23,667 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-09 05:48:23,667 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:48:23,667 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 05:48:23,667 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 05:48:23,667 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-09 05:48:23,668 INFO L87 Difference]: Start difference. First operand 481 states and 570 transitions. Second operand 10 states. [2018-12-09 05:48:23,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:48:23,805 INFO L93 Difference]: Finished difference Result 944 states and 1122 transitions. [2018-12-09 05:48:23,806 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 05:48:23,806 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2018-12-09 05:48:23,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:48:23,815 INFO L225 Difference]: With dead ends: 944 [2018-12-09 05:48:23,816 INFO L226 Difference]: Without dead ends: 487 [2018-12-09 05:48:23,816 INFO L631 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 [2018-12-09 05:48:23,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2018-12-09 05:48:23,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 470. [2018-12-09 05:48:23,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 470 states. [2018-12-09 05:48:23,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 539 transitions. [2018-12-09 05:48:23,830 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 539 transitions. Word has length 89 [2018-12-09 05:48:23,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:48:23,831 INFO L480 AbstractCegarLoop]: Abstraction has 470 states and 539 transitions. [2018-12-09 05:48:23,831 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 05:48:23,831 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 539 transitions. [2018-12-09 05:48:23,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-09 05:48:23,833 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:48:23,833 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:48:23,833 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:48:23,833 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:48:23,833 INFO L82 PathProgramCache]: Analyzing trace with hash 619957596, now seen corresponding path program 1 times [2018-12-09 05:48:23,833 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:48:23,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:48:23,834 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:48:23,834 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:48:23,834 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:48:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:48:23,874 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 05:48:23,875 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 05:48:23,875 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 05:48:23,875 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 133 with the following transitions: [2018-12-09 05:48:23,876 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [23], [25], [26], [27], [28], [29], [32], [34], [35], [38], [40], [43], [50], [53], [55], [64], [68], [72], [78], [80], [86], [88], [91], [106], [107], [108], [109], [110], [111], [112], [114], [117], [121], [122], [130], [131], [134], [137], [141], [147], [174], [176], [179], [181], [183], [186], [188], [193], [199], [202], [206], [207], [211], [214], [216], [219], [229], [237], [240], [241], [242], [243], [244], [245], [246], [247], [248], [250], [252], [253], [254], [255], [256], [257], [260], [261], [266], [267], [270], [271], [272], [273], [274], [275], [276], [277], [282], [283], [284], [285], [286], [287], [288], [290], [291], [292], [294], [295], [296], [297] [2018-12-09 05:48:23,897 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 05:48:23,897 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 05:48:24,106 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 05:48:24,107 INFO L272 AbstractInterpreter]: Visited 57 different actions 57 times. Never merged. Never widened. Performed 1947 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1947 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-09 05:48:24,111 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:48:24,111 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 05:48:24,274 INFO L227 lantSequenceWeakener]: Weakened 67 states. On average, predicates are now at 96.45% of their original sizes. [2018-12-09 05:48:24,274 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 05:48:24,335 INFO L418 sIntCurrentIteration]: We unified 131 AI predicates to 131 [2018-12-09 05:48:24,335 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 05:48:24,335 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 05:48:24,335 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 17 [2018-12-09 05:48:24,336 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:48:24,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-09 05:48:24,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-09 05:48:24,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2018-12-09 05:48:24,336 INFO L87 Difference]: Start difference. First operand 470 states and 539 transitions. Second operand 13 states. [2018-12-09 05:48:25,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:48:25,562 INFO L93 Difference]: Finished difference Result 977 states and 1130 transitions. [2018-12-09 05:48:25,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 05:48:25,563 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 132 [2018-12-09 05:48:25,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:48:25,565 INFO L225 Difference]: With dead ends: 977 [2018-12-09 05:48:25,565 INFO L226 Difference]: Without dead ends: 531 [2018-12-09 05:48:25,566 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 138 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=83, Invalid=297, Unknown=0, NotChecked=0, Total=380 [2018-12-09 05:48:25,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2018-12-09 05:48:25,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 529. [2018-12-09 05:48:25,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2018-12-09 05:48:25,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 604 transitions. [2018-12-09 05:48:25,588 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 604 transitions. Word has length 132 [2018-12-09 05:48:25,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:48:25,588 INFO L480 AbstractCegarLoop]: Abstraction has 529 states and 604 transitions. [2018-12-09 05:48:25,589 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-09 05:48:25,589 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 604 transitions. [2018-12-09 05:48:25,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-09 05:48:25,590 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:48:25,591 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:48:25,591 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:48:25,591 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:48:25,591 INFO L82 PathProgramCache]: Analyzing trace with hash -1601747912, now seen corresponding path program 1 times [2018-12-09 05:48:25,591 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:48:25,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:48:25,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:48:25,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:48:25,592 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:48:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:48:25,666 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 05:48:25,666 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 05:48:25,666 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 05:48:25,666 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-12-09 05:48:25,667 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [23], [25], [26], [27], [28], [29], [32], [34], [35], [38], [40], [43], [50], [53], [55], [64], [68], [72], [78], [80], [83], [86], [88], [91], [106], [107], [108], [109], [110], [111], [112], [114], [117], [121], [122], [127], [129], [130], [131], [134], [137], [141], [147], [174], [176], [179], [181], [183], [186], [188], [193], [199], [202], [206], [207], [211], [214], [216], [219], [229], [237], [240], [241], [242], [243], [244], [245], [246], [247], [248], [250], [252], [253], [254], [255], [256], [257], [260], [261], [264], [265], [266], [267], [270], [271], [272], [273], [274], [275], [276], [277], [282], [283], [284], [285], [286], [287], [288], [290], [291], [292], [294], [295], [296], [297] [2018-12-09 05:48:25,670 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 05:48:25,670 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 05:48:25,894 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 05:48:25,894 INFO L272 AbstractInterpreter]: Visited 62 different actions 89 times. Merged at 3 different actions 3 times. Never widened. Performed 4647 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4647 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-09 05:48:25,896 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:48:25,896 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 05:48:26,024 INFO L227 lantSequenceWeakener]: Weakened 71 states. On average, predicates are now at 96.44% of their original sizes. [2018-12-09 05:48:26,024 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 05:48:26,122 INFO L418 sIntCurrentIteration]: We unified 135 AI predicates to 135 [2018-12-09 05:48:26,122 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 05:48:26,122 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 05:48:26,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [6] total 20 [2018-12-09 05:48:26,122 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:48:26,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-09 05:48:26,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-09 05:48:26,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2018-12-09 05:48:26,123 INFO L87 Difference]: Start difference. First operand 529 states and 604 transitions. Second operand 16 states. [2018-12-09 05:48:27,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:48:27,651 INFO L93 Difference]: Finished difference Result 988 states and 1141 transitions. [2018-12-09 05:48:27,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-09 05:48:27,651 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 136 [2018-12-09 05:48:27,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:48:27,653 INFO L225 Difference]: With dead ends: 988 [2018-12-09 05:48:27,653 INFO L226 Difference]: Without dead ends: 542 [2018-12-09 05:48:27,654 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 150 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=169, Invalid=761, Unknown=0, NotChecked=0, Total=930 [2018-12-09 05:48:27,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2018-12-09 05:48:27,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 471. [2018-12-09 05:48:27,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 471 states. [2018-12-09 05:48:27,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 471 states and 529 transitions. [2018-12-09 05:48:27,668 INFO L78 Accepts]: Start accepts. Automaton has 471 states and 529 transitions. Word has length 136 [2018-12-09 05:48:27,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:48:27,668 INFO L480 AbstractCegarLoop]: Abstraction has 471 states and 529 transitions. [2018-12-09 05:48:27,668 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-09 05:48:27,668 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 529 transitions. [2018-12-09 05:48:27,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-09 05:48:27,669 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:48:27,669 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:48:27,669 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:48:27,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:48:27,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1654159510, now seen corresponding path program 1 times [2018-12-09 05:48:27,670 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:48:27,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:48:27,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:48:27,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:48:27,670 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:48:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:48:27,704 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 05:48:27,704 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 05:48:27,704 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 05:48:27,705 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-12-09 05:48:27,705 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [23], [25], [26], [27], [28], [29], [32], [34], [35], [38], [40], [43], [50], [53], [55], [64], [68], [72], [75], [78], [80], [86], [88], [91], [106], [107], [108], [109], [110], [111], [112], [114], [117], [121], [122], [130], [131], [134], [137], [141], [147], [174], [176], [179], [181], [183], [186], [188], [193], [199], [202], [206], [207], [211], [214], [216], [219], [229], [232], [236], [237], [240], [241], [242], [243], [244], [245], [246], [247], [248], [250], [252], [253], [254], [255], [256], [257], [260], [261], [262], [263], [266], [267], [270], [271], [272], [273], [274], [275], [276], [277], [282], [283], [284], [285], [286], [287], [288], [290], [291], [292], [294], [295], [296], [297] [2018-12-09 05:48:27,707 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 05:48:27,707 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 05:48:27,847 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 05:48:27,847 INFO L272 AbstractInterpreter]: Visited 62 different actions 91 times. Merged at 5 different actions 5 times. Never widened. Performed 4658 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4658 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-09 05:48:27,848 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:48:27,848 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 05:48:27,962 INFO L227 lantSequenceWeakener]: Weakened 71 states. On average, predicates are now at 96.45% of their original sizes. [2018-12-09 05:48:27,962 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 05:48:28,042 INFO L418 sIntCurrentIteration]: We unified 135 AI predicates to 135 [2018-12-09 05:48:28,042 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 05:48:28,042 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 05:48:28,042 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [16] imperfect sequences [6] total 20 [2018-12-09 05:48:28,042 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:48:28,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-09 05:48:28,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-09 05:48:28,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2018-12-09 05:48:28,043 INFO L87 Difference]: Start difference. First operand 471 states and 529 transitions. Second operand 16 states. [2018-12-09 05:48:29,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:48:29,618 INFO L93 Difference]: Finished difference Result 938 states and 1082 transitions. [2018-12-09 05:48:29,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-09 05:48:29,618 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 136 [2018-12-09 05:48:29,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:48:29,620 INFO L225 Difference]: With dead ends: 938 [2018-12-09 05:48:29,620 INFO L226 Difference]: Without dead ends: 615 [2018-12-09 05:48:29,621 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 143 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=438, Unknown=0, NotChecked=0, Total=552 [2018-12-09 05:48:29,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2018-12-09 05:48:29,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 613. [2018-12-09 05:48:29,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 613 states. [2018-12-09 05:48:29,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 613 states and 691 transitions. [2018-12-09 05:48:29,649 INFO L78 Accepts]: Start accepts. Automaton has 613 states and 691 transitions. Word has length 136 [2018-12-09 05:48:29,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:48:29,649 INFO L480 AbstractCegarLoop]: Abstraction has 613 states and 691 transitions. [2018-12-09 05:48:29,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-09 05:48:29,650 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 691 transitions. [2018-12-09 05:48:29,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-09 05:48:29,652 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:48:29,652 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:48:29,652 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:48:29,652 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:48:29,652 INFO L82 PathProgramCache]: Analyzing trace with hash -653278606, now seen corresponding path program 1 times [2018-12-09 05:48:29,652 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:48:29,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:48:29,653 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:48:29,653 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:48:29,653 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:48:29,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:48:29,707 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 05:48:29,707 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 05:48:29,707 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 05:48:29,708 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 141 with the following transitions: [2018-12-09 05:48:29,708 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [23], [25], [26], [27], [28], [29], [32], [34], [35], [38], [40], [43], [50], [53], [55], [64], [68], [72], [75], [78], [80], [83], [86], [88], [91], [106], [107], [108], [109], [110], [111], [112], [114], [117], [121], [122], [127], [129], [130], [131], [134], [137], [141], [147], [174], [176], [179], [181], [183], [186], [188], [193], [199], [202], [206], [207], [211], [214], [216], [219], [229], [232], [236], [237], [240], [241], [242], [243], [244], [245], [246], [247], [248], [250], [252], [253], [254], [255], [256], [257], [260], [261], [262], [263], [264], [265], [266], [267], [270], [271], [272], [273], [274], [275], [276], [277], [282], [283], [284], [285], [286], [287], [288], [290], [291], [292], [294], [295], [296], [297] [2018-12-09 05:48:29,710 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 05:48:29,710 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 05:48:29,986 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 05:48:29,986 INFO L272 AbstractInterpreter]: Visited 67 different actions 155 times. Merged at 7 different actions 12 times. Never widened. Performed 8537 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8537 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-09 05:48:29,988 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:48:29,988 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 05:48:30,105 INFO L227 lantSequenceWeakener]: Weakened 75 states. On average, predicates are now at 96.79% of their original sizes. [2018-12-09 05:48:30,105 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 05:48:30,212 INFO L418 sIntCurrentIteration]: We unified 139 AI predicates to 139 [2018-12-09 05:48:30,212 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 05:48:30,213 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 05:48:30,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [6] total 23 [2018-12-09 05:48:30,213 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:48:30,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-09 05:48:30,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-09 05:48:30,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2018-12-09 05:48:30,214 INFO L87 Difference]: Start difference. First operand 613 states and 691 transitions. Second operand 19 states. [2018-12-09 05:48:33,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:48:33,357 INFO L93 Difference]: Finished difference Result 1426 states and 1702 transitions. [2018-12-09 05:48:33,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-12-09 05:48:33,357 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 140 [2018-12-09 05:48:33,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:48:33,360 INFO L225 Difference]: With dead ends: 1426 [2018-12-09 05:48:33,360 INFO L226 Difference]: Without dead ends: 1103 [2018-12-09 05:48:33,361 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 162 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 330 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=274, Invalid=1448, Unknown=0, NotChecked=0, Total=1722 [2018-12-09 05:48:33,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1103 states. [2018-12-09 05:48:33,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1103 to 1063. [2018-12-09 05:48:33,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1063 states. [2018-12-09 05:48:33,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 1063 states and 1223 transitions. [2018-12-09 05:48:33,390 INFO L78 Accepts]: Start accepts. Automaton has 1063 states and 1223 transitions. Word has length 140 [2018-12-09 05:48:33,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:48:33,390 INFO L480 AbstractCegarLoop]: Abstraction has 1063 states and 1223 transitions. [2018-12-09 05:48:33,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-09 05:48:33,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1063 states and 1223 transitions. [2018-12-09 05:48:33,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-09 05:48:33,392 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:48:33,392 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:48:33,392 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:48:33,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:48:33,393 INFO L82 PathProgramCache]: Analyzing trace with hash -2059860549, now seen corresponding path program 1 times [2018-12-09 05:48:33,393 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:48:33,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:48:33,393 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:48:33,393 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:48:33,393 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:48:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:48:33,436 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 05:48:33,436 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 05:48:33,436 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 05:48:33,436 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 145 with the following transitions: [2018-12-09 05:48:33,436 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [23], [25], [26], [27], [28], [29], [33], [34], [35], [38], [40], [43], [50], [53], [55], [64], [68], [72], [75], [80], [83], [86], [88], [91], [106], [107], [108], [109], [110], [111], [112], [114], [119], [121], [122], [127], [129], [130], [131], [134], [137], [141], [147], [174], [176], [179], [181], [183], [186], [188], [193], [199], [202], [206], [207], [211], [214], [216], [219], [229], [232], [236], [237], [240], [241], [242], [243], [244], [245], [246], [247], [248], [250], [252], [253], [254], [255], [256], [257], [260], [261], [262], [263], [264], [265], [266], [267], [270], [271], [272], [273], [274], [275], [276], [277], [282], [283], [284], [285], [286], [287], [288], [290], [291], [292], [294], [295], [296], [297] [2018-12-09 05:48:33,438 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 05:48:33,438 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 05:48:34,075 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 05:48:34,076 INFO L272 AbstractInterpreter]: Visited 118 different actions 462 times. Merged at 19 different actions 36 times. Never widened. Performed 20689 root evaluator evaluations with a maximum evaluation depth of 3. Performed 20689 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 132 variables. [2018-12-09 05:48:34,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:48:34,078 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 05:48:34,078 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 05:48:34,078 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8b725aad-6075-4255-9500-06e80a05b1cd/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 05:48:34,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:48:34,088 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 05:48:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:48:34,170 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 05:48:34,197 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 05:48:34,198 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 05:48:34,319 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 05:48:34,345 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 05:48:34,345 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5, 5] total 7 [2018-12-09 05:48:34,345 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 05:48:34,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 05:48:34,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 05:48:34,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-09 05:48:34,346 INFO L87 Difference]: Start difference. First operand 1063 states and 1223 transitions. Second operand 5 states. [2018-12-09 05:48:34,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:48:34,698 INFO L93 Difference]: Finished difference Result 1874 states and 2245 transitions. [2018-12-09 05:48:34,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 05:48:34,698 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 144 [2018-12-09 05:48:34,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:48:34,702 INFO L225 Difference]: With dead ends: 1874 [2018-12-09 05:48:34,702 INFO L226 Difference]: Without dead ends: 1092 [2018-12-09 05:48:34,704 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 288 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2018-12-09 05:48:34,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1092 states. [2018-12-09 05:48:34,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1092 to 1062. [2018-12-09 05:48:34,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1062 states. [2018-12-09 05:48:34,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1062 states to 1062 states and 1233 transitions. [2018-12-09 05:48:34,758 INFO L78 Accepts]: Start accepts. Automaton has 1062 states and 1233 transitions. Word has length 144 [2018-12-09 05:48:34,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:48:34,759 INFO L480 AbstractCegarLoop]: Abstraction has 1062 states and 1233 transitions. [2018-12-09 05:48:34,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 05:48:34,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1233 transitions. [2018-12-09 05:48:34,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-09 05:48:34,761 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 05:48:34,761 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 05:48:34,761 INFO L423 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 05:48:34,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:48:34,762 INFO L82 PathProgramCache]: Analyzing trace with hash 538393945, now seen corresponding path program 1 times [2018-12-09 05:48:34,762 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 05:48:34,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:48:34,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:48:34,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 05:48:34,763 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 05:48:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:48:34,823 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-09 05:48:34,823 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 05:48:34,824 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 05:48:34,824 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-12-09 05:48:34,824 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [18], [19], [20], [23], [25], [26], [27], [28], [29], [33], [34], [35], [38], [40], [43], [50], [53], [55], [64], [68], [72], [75], [78], [80], [86], [88], [91], [106], [107], [108], [109], [110], [111], [112], [114], [119], [121], [122], [130], [131], [134], [137], [141], [147], [174], [176], [179], [181], [183], [186], [188], [193], [199], [202], [206], [207], [211], [214], [216], [219], [229], [232], [236], [237], [240], [241], [242], [243], [244], [245], [246], [247], [248], [250], [252], [253], [254], [255], [256], [257], [260], [261], [262], [263], [266], [267], [270], [271], [272], [273], [274], [275], [276], [277], [282], [283], [284], [285], [286], [287], [288], [290], [291], [292], [294], [295], [296], [297] [2018-12-09 05:48:34,825 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 05:48:34,825 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 05:48:34,997 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 05:48:34,997 INFO L272 AbstractInterpreter]: Visited 93 different actions 113 times. Merged at 5 different actions 5 times. Never widened. Performed 6169 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6169 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 132 variables. [2018-12-09 05:48:34,999 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 05:48:34,999 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 05:48:34,999 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 05:48:34,999 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8b725aad-6075-4255-9500-06e80a05b1cd/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 05:48:35,005 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 05:48:35,005 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 05:48:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 05:48:35,079 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 05:48:35,195 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 05:48:35,195 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 05:48:35,414 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 05:48:35,428 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 05:48:35,429 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10, 11] total 20 [2018-12-09 05:48:35,429 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 05:48:35,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 05:48:35,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 05:48:35,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2018-12-09 05:48:35,429 INFO L87 Difference]: Start difference. First operand 1062 states and 1233 transitions. Second operand 15 states. [2018-12-09 05:48:36,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 05:48:36,727 INFO L93 Difference]: Finished difference Result 2654 states and 3599 transitions. [2018-12-09 05:48:36,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-12-09 05:48:36,727 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 136 [2018-12-09 05:48:36,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 05:48:36,727 INFO L225 Difference]: With dead ends: 2654 [2018-12-09 05:48:36,727 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 05:48:36,731 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 321 GetRequests, 262 SyntacticMatches, 12 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=484, Invalid=1868, Unknown=0, NotChecked=0, Total=2352 [2018-12-09 05:48:36,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 05:48:36,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 05:48:36,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 05:48:36,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 05:48:36,732 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 136 [2018-12-09 05:48:36,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 05:48:36,732 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 05:48:36,732 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 05:48:36,732 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 05:48:36,732 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 05:48:36,734 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 05:48:36,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:36,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:36,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:36,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:36,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:36,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:36,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:36,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:36,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:36,852 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:36,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:36,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:36,854 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:36,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:36,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:36,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:36,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:36,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:36,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:36,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:36,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:36,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:36,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:36,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:36,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:36,868 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:36,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:36,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:36,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:36,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,013 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,024 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,037 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,063 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,064 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 05:48:37,559 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 21 [2018-12-09 05:48:37,673 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 21 [2018-12-09 05:48:38,277 WARN L180 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 49 [2018-12-09 05:48:38,436 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 37 [2018-12-09 05:48:38,849 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 29 [2018-12-09 05:48:39,027 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 41 [2018-12-09 05:48:39,230 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 27 [2018-12-09 05:48:39,468 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 21 [2018-12-09 05:48:39,793 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 29 [2018-12-09 05:48:39,927 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 25 [2018-12-09 05:48:40,316 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 34 [2018-12-09 05:48:40,486 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 917 923) the Hoare annotation is: true [2018-12-09 05:48:40,486 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 917 923) no Hoare annotation was computed. [2018-12-09 05:48:40,486 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 924 932) no Hoare annotation was computed. [2018-12-09 05:48:40,486 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 924 932) the Hoare annotation is: true [2018-12-09 05:48:40,486 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 924 932) no Hoare annotation was computed. [2018-12-09 05:48:40,486 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-12-09 05:48:40,486 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-12-09 05:48:40,486 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 05:48:40,486 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 05:48:40,487 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 05:48:40,487 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 05:48:40,487 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-12-09 05:48:40,487 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-12-09 05:48:40,487 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 05:48:40,487 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methaneLevelCritical~0 0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 05:48:40,487 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-12-09 05:48:40,487 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 631 639) no Hoare annotation was computed. [2018-12-09 05:48:40,487 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 631 639) the Hoare annotation is: true [2018-12-09 05:48:40,487 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 631 639) no Hoare annotation was computed. [2018-12-09 05:48:40,487 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 910 916) no Hoare annotation was computed. [2018-12-09 05:48:40,487 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 910 916) the Hoare annotation is: true [2018-12-09 05:48:40,487 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 05:48:40,487 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-12-09 05:48:40,487 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-12-09 05:48:40,487 INFO L451 ceAbstractionStarter]: At program point L625(line 625) the Hoare annotation is: true [2018-12-09 05:48:40,487 INFO L448 ceAbstractionStarter]: For program point L625-1(line 625) no Hoare annotation was computed. [2018-12-09 05:48:40,487 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 620 630) the Hoare annotation is: true [2018-12-09 05:48:40,487 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 620 630) no Hoare annotation was computed. [2018-12-09 05:48:40,487 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 620 630) no Hoare annotation was computed. [2018-12-09 05:48:40,488 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 612 619) the Hoare annotation is: (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-12-09 05:48:40,488 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 612 619) no Hoare annotation was computed. [2018-12-09 05:48:40,488 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 612 619) no Hoare annotation was computed. [2018-12-09 05:48:40,488 INFO L448 ceAbstractionStarter]: For program point L845(lines 845 851) no Hoare annotation was computed. [2018-12-09 05:48:40,488 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 841 854) no Hoare annotation was computed. [2018-12-09 05:48:40,488 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 841 854) the Hoare annotation is: true [2018-12-09 05:48:40,488 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 841 854) no Hoare annotation was computed. [2018-12-09 05:48:40,488 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 579 603) no Hoare annotation was computed. [2018-12-09 05:48:40,488 INFO L444 ceAbstractionStarter]: At program point L598(line 598) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0))) [2018-12-09 05:48:40,488 INFO L448 ceAbstractionStarter]: For program point L598-1(lines 579 603) no Hoare annotation was computed. [2018-12-09 05:48:40,488 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 579 603) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-12-09 05:48:40,488 INFO L444 ceAbstractionStarter]: At program point L593(line 593) 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))) [2018-12-09 05:48:40,488 INFO L444 ceAbstractionStarter]: At program point L589(line 589) 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))) [2018-12-09 05:48:40,488 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 595) no Hoare annotation was computed. [2018-12-09 05:48:40,488 INFO L444 ceAbstractionStarter]: At program point L585(line 585) 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))) [2018-12-09 05:48:40,488 INFO L448 ceAbstractionStarter]: For program point L585-1(line 585) no Hoare annotation was computed. [2018-12-09 05:48:40,488 INFO L448 ceAbstractionStarter]: For program point L583(lines 583 600) no Hoare annotation was computed. [2018-12-09 05:48:40,488 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 545 551) no Hoare annotation was computed. [2018-12-09 05:48:40,488 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 545 551) the Hoare annotation is: true [2018-12-09 05:48:40,489 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 696 759) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= ~waterLevel~0 1) (= ~methaneLevelCritical~0 0) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 05:48:40,489 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 696 759) no Hoare annotation was computed. [2018-12-09 05:48:40,489 INFO L444 ceAbstractionStarter]: At program point L752(lines 705 753) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-09 05:48:40,489 INFO L448 ceAbstractionStarter]: For program point L742(lines 742 746) no Hoare annotation was computed. [2018-12-09 05:48:40,489 INFO L444 ceAbstractionStarter]: At program point L742-2(lines 736 747) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 05:48:40,489 INFO L448 ceAbstractionStarter]: For program point L707(lines 706 751) no Hoare annotation was computed. [2018-12-09 05:48:40,489 INFO L448 ceAbstractionStarter]: For program point L736(lines 736 747) no Hoare annotation was computed. [2018-12-09 05:48:40,489 INFO L444 ceAbstractionStarter]: At program point L728(line 728) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 05:48:40,489 INFO L448 ceAbstractionStarter]: For program point L726(lines 726 732) no Hoare annotation was computed. [2018-12-09 05:48:40,489 INFO L448 ceAbstractionStarter]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2018-12-09 05:48:40,489 INFO L444 ceAbstractionStarter]: At program point L718(line 718) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 05:48:40,489 INFO L444 ceAbstractionStarter]: At program point L749(lines 706 751) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-09 05:48:40,489 INFO L448 ceAbstractionStarter]: For program point L716(lines 716 722) no Hoare annotation was computed. [2018-12-09 05:48:40,489 INFO L448 ceAbstractionStarter]: For program point L716-1(lines 716 722) no Hoare annotation was computed. [2018-12-09 05:48:40,489 INFO L448 ceAbstractionStarter]: For program point L708(lines 708 712) no Hoare annotation was computed. [2018-12-09 05:48:40,489 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 696 759) no Hoare annotation was computed. [2018-12-09 05:48:40,489 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 05:48:40,489 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-09 05:48:40,490 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 05:48:40,490 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 604 611) no Hoare annotation was computed. [2018-12-09 05:48:40,490 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 604 611) no Hoare annotation was computed. [2018-12-09 05:48:40,490 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 604 611) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (not (= ~systemActive~0 1))) [2018-12-09 05:48:40,490 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 832 840) the Hoare annotation is: true [2018-12-09 05:48:40,490 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 832 840) no Hoare annotation was computed. [2018-12-09 05:48:40,490 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 832 840) no Hoare annotation was computed. [2018-12-09 05:48:40,490 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 676 694) no Hoare annotation was computed. [2018-12-09 05:48:40,490 INFO L448 ceAbstractionStarter]: For program point L685(lines 685 689) no Hoare annotation was computed. [2018-12-09 05:48:40,490 INFO L451 ceAbstractionStarter]: At program point L683(line 683) the Hoare annotation is: true [2018-12-09 05:48:40,490 INFO L448 ceAbstractionStarter]: For program point L685-2(lines 685 689) no Hoare annotation was computed. [2018-12-09 05:48:40,490 INFO L448 ceAbstractionStarter]: For program point L683-1(line 683) no Hoare annotation was computed. [2018-12-09 05:48:40,490 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 676 694) the Hoare annotation is: true [2018-12-09 05:48:40,490 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 676 694) no Hoare annotation was computed. [2018-12-09 05:48:40,490 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 788 799) the Hoare annotation is: (let ((.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse5 (not (= ~systemActive~0 1))) (.cse8 (= 0 ~methaneLevelCritical~0))) (let ((.cse0 (not .cse8)) (.cse1 (or (not (= 1 ~pumpRunning~0)) .cse5)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (not .cse2)) (.cse7 (not (= ~waterLevel~0 2))) (.cse4 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse3 .cse0 .cse5) (or .cse4 (= ~methaneLevelCritical~0 0) .cse5 .cse6 .cse7) (or .cse8 (< 1 ~waterLevel~0) .cse4 .cse5 .cse6) (or .cse1 .cse3 .cse6 .cse8) (or (let ((.cse9 (not (= |old(~methaneLevelCritical~0)| 1)))) (and (or .cse9 .cse7) (or .cse9 (not (= ~waterLevel~0 1))))) .cse4 (= ~methaneLevelCritical~0 1) .cse5)))) [2018-12-09 05:48:40,490 INFO L448 ceAbstractionStarter]: For program point L792-1(lines 788 799) no Hoare annotation was computed. [2018-12-09 05:48:40,490 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 788 799) no Hoare annotation was computed. [2018-12-09 05:48:40,490 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 800 808) the Hoare annotation is: true [2018-12-09 05:48:40,490 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 800 808) no Hoare annotation was computed. [2018-12-09 05:48:40,490 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 800 808) no Hoare annotation was computed. [2018-12-09 05:48:40,491 INFO L444 ceAbstractionStarter]: At program point L534(line 534) the Hoare annotation is: (let ((.cse3 (< 2 |old(~waterLevel~0)|)) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (and .cse0 (<= |old(~waterLevel~0)| 1) .cse1) (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse1) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2) .cse3) (or (not (= 0 |old(~pumpRunning~0)|)) .cse3 (and .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1) .cse2))) [2018-12-09 05:48:40,491 INFO L444 ceAbstractionStarter]: At program point L532(lines 532 538) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 1)) (.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~waterLevel~0)| 1))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (<= |old(~waterLevel~0)| 1))) (and (or (or (not (= ~methaneLevelCritical~0 1)) .cse0) .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse2 (and (<= ~waterLevel~0 2) .cse6 .cse7)) (or (< 1 |old(~waterLevel~0)|) .cse1 (and .cse8 .cse6 .cse7) .cse2 (and .cse8 .cse7 .cse3)) (or (or .cse1 .cse2 .cse0) (not (= ~methaneLevelCritical~0 0)) .cse3) (let ((.cse9 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse10 (= 0 ~pumpRunning~0))) (or (and .cse8 .cse5 .cse3) (and .cse9 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2) .cse4 (and .cse9 .cse10) (and .cse8 .cse10 .cse5))))) [2018-12-09 05:48:40,491 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 521 544) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 1))) (.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse1 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse4 .cse5)) (.cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse3)) (.cse2 (< 2 |old(~waterLevel~0)|))) (and (or (< 1 |old(~waterLevel~0)|) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse2 .cse1 .cse3) (or (and (<= ~waterLevel~0 2) .cse4 .cse5) .cse0 .cse2)))) [2018-12-09 05:48:40,491 INFO L444 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (< 2 |old(~waterLevel~0)|))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (or (not (= 1 |old(~pumpRunning~0)|)) .cse1) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse0))) [2018-12-09 05:48:40,491 INFO L448 ceAbstractionStarter]: For program point L525(lines 524 543) no Hoare annotation was computed. [2018-12-09 05:48:40,491 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 521 544) no Hoare annotation was computed. [2018-12-09 05:48:40,491 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 521 544) no Hoare annotation was computed. [2018-12-09 05:48:40,491 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-09 05:48:40,491 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-09 05:48:40,491 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-09 05:48:40,491 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-09 05:48:40,491 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-09 05:48:40,491 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-09 05:48:40,491 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-09 05:48:40,491 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-09 05:48:40,491 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-09 05:48:40,491 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-09 05:48:40,491 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 865 897) no Hoare annotation was computed. [2018-12-09 05:48:40,491 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 865 897) the Hoare annotation is: true [2018-12-09 05:48:40,492 INFO L444 ceAbstractionStarter]: At program point L888(line 888) 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))) [2018-12-09 05:48:40,492 INFO L448 ceAbstractionStarter]: For program point L884(lines 884 890) no Hoare annotation was computed. [2018-12-09 05:48:40,492 INFO L444 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse3 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 ~pumpRunning~0)) .cse1) (or .cse0 .cse2 .cse1) (or (= ~methaneLevelCritical~0 0) .cse3 .cse2 .cse1) (or .cse3 .cse2 (= __utac_acc__Specification3_spec__1_~tmp~8 ~methaneLevelCritical~0) .cse1))) [2018-12-09 05:48:40,492 INFO L448 ceAbstractionStarter]: For program point L882-1(line 882) no Hoare annotation was computed. [2018-12-09 05:48:40,492 INFO L448 ceAbstractionStarter]: For program point L880(lines 880 893) no Hoare annotation was computed. [2018-12-09 05:48:40,492 INFO L448 ceAbstractionStarter]: For program point L880-1(lines 865 897) no Hoare annotation was computed. [2018-12-09 05:48:40,492 INFO L444 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse4 (< 2 ~waterLevel~0)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse0 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (= __utac_acc__Specification3_spec__1_~tmp~8 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse5 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse0 .cse1 .cse3 .cse6))) [2018-12-09 05:48:40,492 INFO L448 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2018-12-09 05:48:40,492 INFO L448 ceAbstractionStarter]: For program point L874(lines 874 894) no Hoare annotation was computed. [2018-12-09 05:48:40,492 INFO L451 ceAbstractionStarter]: At program point L872(line 872) the Hoare annotation is: true [2018-12-09 05:48:40,492 INFO L448 ceAbstractionStarter]: For program point L872-1(line 872) no Hoare annotation was computed. [2018-12-09 05:48:40,492 INFO L448 ceAbstractionStarter]: For program point L768-1(lines 764 775) no Hoare annotation was computed. [2018-12-09 05:48:40,492 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 764 775) the Hoare annotation is: (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))))) (and (or (<= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1 .cse2) (or (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 .cse1 .cse2))) [2018-12-09 05:48:40,492 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 764 775) no Hoare annotation was computed. [2018-12-09 05:48:40,492 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-09 05:48:40,492 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-09 05:48:40,492 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 05:48:40,492 INFO L444 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)) [2018-12-09 05:48:40,492 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 05:48:40,492 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 05:48:40,493 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 553 577) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0 .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-12-09 05:48:40,493 INFO L444 ceAbstractionStarter]: At program point L572(line 572) 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))) [2018-12-09 05:48:40,493 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 553 577) no Hoare annotation was computed. [2018-12-09 05:48:40,493 INFO L448 ceAbstractionStarter]: For program point L572-1(lines 553 577) no Hoare annotation was computed. [2018-12-09 05:48:40,493 INFO L444 ceAbstractionStarter]: At program point L567(line 567) the Hoare annotation is: (let ((.cse0 (= processEnvironment__wrappee__highWaterSensor_~tmp~4 0)) (.cse3 (not (= ~waterLevel~0 1))) (.cse4 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (or .cse1 .cse2 .cse3) (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0 .cse2 .cse3) (or .cse4 (not (= 1 |old(~pumpRunning~0)|)) .cse2) (or .cse1 (< 2 ~waterLevel~0) (<= ~waterLevel~0 1) .cse2) (or .cse4 .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-12-09 05:48:40,493 INFO L444 ceAbstractionStarter]: At program point L563(line 563) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 .cse2) (not (= ~methaneLevelCritical~0 0))) (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse1) (or .cse0 .cse1 (= processEnvironment__wrappee__highWaterSensor_~tmp~4 1) (not (= ~waterLevel~0 2))) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0 (< 2 ~waterLevel~0) .cse1) (or (or (not (= ~methaneLevelCritical~0 1)) .cse2) .cse0 .cse1))) [2018-12-09 05:48:40,493 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 569) no Hoare annotation was computed. [2018-12-09 05:48:40,493 INFO L444 ceAbstractionStarter]: At program point L559(line 559) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse0))) [2018-12-09 05:48:40,493 INFO L448 ceAbstractionStarter]: For program point L559-1(line 559) no Hoare annotation was computed. [2018-12-09 05:48:40,493 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 574) no Hoare annotation was computed. [2018-12-09 05:48:40,493 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 776 787) no Hoare annotation was computed. [2018-12-09 05:48:40,493 INFO L448 ceAbstractionStarter]: For program point L780-1(lines 776 787) no Hoare annotation was computed. [2018-12-09 05:48:40,493 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 776 787) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse4 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (< 1 |old(~waterLevel~0)|)) (.cse0 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse4)) (.cse3 (or (not (= 1 ~pumpRunning~0)) .cse2))) (and (or .cse0 .cse1 (not (= 0 ~pumpRunning~0)) .cse2) (or .cse1 .cse3 .cse0) (or (and (<= ~waterLevel~0 2) .cse4) .cse3 (< 2 |old(~waterLevel~0)|))))) [2018-12-09 05:48:40,493 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 856 863) no Hoare annotation was computed. [2018-12-09 05:48:40,493 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 856 863) the Hoare annotation is: true [2018-12-09 05:48:40,493 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 860) no Hoare annotation was computed. [2018-12-09 05:48:40,493 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 856 863) no Hoare annotation was computed. [2018-12-09 05:48:40,501 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 05:48:40 BoogieIcfgContainer [2018-12-09 05:48:40,501 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 05:48:40,501 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 05:48:40,501 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 05:48:40,501 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 05:48:40,501 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:48:21" (3/4) ... [2018-12-09 05:48:40,504 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 05:48:40,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-09 05:48:40,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-09 05:48:40,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 05:48:40,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-09 05:48:40,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-09 05:48:40,507 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-09 05:48:40,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-09 05:48:40,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-09 05:48:40,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-09 05:48:40,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-09 05:48:40,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-09 05:48:40,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-09 05:48:40,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 05:48:40,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-09 05:48:40,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-09 05:48:40,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-09 05:48:40,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-09 05:48:40,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-09 05:48:40,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-09 05:48:40,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-09 05:48:40,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-09 05:48:40,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-09 05:48:40,508 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-09 05:48:40,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-09 05:48:40,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-09 05:48:40,509 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-09 05:48:40,513 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-09 05:48:40,513 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-09 05:48:40,513 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-09 05:48:40,513 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 05:48:40,513 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 05:48:40,513 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 05:48:40,530 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 05:48:40,530 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-09 05:48:40,552 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8b725aad-6075-4255-9500-06e80a05b1cd/bin-2019/utaipan/witness.graphml [2018-12-09 05:48:40,552 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 05:48:40,553 INFO L168 Benchmark]: Toolchain (without parser) took 19286.72 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 774.9 MB). Free memory was 948.1 MB in the beginning and 1.3 GB in the end (delta: -346.9 MB). Peak memory consumption was 428.0 MB. Max. memory is 11.5 GB. [2018-12-09 05:48:40,553 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 05:48:40,553 INFO L168 Benchmark]: CACSL2BoogieTranslator took 277.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -147.6 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-12-09 05:48:40,553 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 05:48:40,553 INFO L168 Benchmark]: Boogie Preprocessor took 22.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 05:48:40,553 INFO L168 Benchmark]: RCFGBuilder took 349.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. [2018-12-09 05:48:40,554 INFO L168 Benchmark]: TraceAbstraction took 18564.35 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 671.1 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -252.3 MB). Peak memory consumption was 932.7 MB. Max. memory is 11.5 GB. [2018-12-09 05:48:40,554 INFO L168 Benchmark]: Witness Printer took 51.07 ms. Allocated memory is still 1.8 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 34.9 kB). Peak memory consumption was 34.9 kB. Max. memory is 11.5 GB. [2018-12-09 05:48:40,555 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 277.02 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -147.6 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.49 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.26 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 349.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18564.35 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 671.1 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -252.3 MB). Peak memory consumption was 932.7 MB. Max. memory is 11.5 GB. * Witness Printer took 51.07 ms. Allocated memory is still 1.8 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 34.9 kB). Peak memory consumption was 34.9 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 860]: 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: 706]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 705]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 142 locations, 1 error locations. SAFE Result, 18.5s OverallTime, 15 OverallIterations, 3 TraceHistogramMax, 10.0s AutomataDifference, 0.0s DeadEndRemovalTime, 3.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 2537 SDtfs, 2732 SDslu, 10536 SDs, 0 SdLazy, 5902 SolverSat, 1261 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 1297 GetRequests, 1066 SyntacticMatches, 16 SemanticMatches, 215 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1127 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1063occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.7s AbstIntTime, 6 AbstIntIterations, 4 AbstIntStrong, 0.997936174638161 AbsIntWeakeningRatio, 0.9185185185185185 AbsIntAvgWeakeningVarsNumRemoved, 42.72962962962963 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 15 MinimizatonAttempts, 214 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 3006 PreInvPairs, 3427 NumberOfFragments, 1607 HoareAnnotationTreeSize, 3006 FomulaSimplifications, 16968 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 59 FomulaSimplificationsInter, 30971 FormulaSimplificationTreeSizeReductionInter, 2.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1773 NumberOfCodeBlocks, 1773 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 2034 ConstructedInterpolants, 0 QuantifiedInterpolants, 357949 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1655 ConjunctsInSsa, 26 ConjunctsInUnsatCore, 19 InterpolantComputations, 10 PerfectInterpolantSequences, 284/312 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...