./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product59_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8e435473-e62f-4109-a642-0bd4f01721c3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8e435473-e62f-4109-a642-0bd4f01721c3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8e435473-e62f-4109-a642-0bd4f01721c3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8e435473-e62f-4109-a642-0bd4f01721c3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product59_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8e435473-e62f-4109-a642-0bd4f01721c3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8e435473-e62f-4109-a642-0bd4f01721c3/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 8a74a11a5d5c8fe8b4adcf5c10f76ddbc8ce0734 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 08:54:40,725 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 08:54:40,726 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 08:54:40,733 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 08:54:40,733 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 08:54:40,734 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 08:54:40,735 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 08:54:40,736 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 08:54:40,737 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 08:54:40,737 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 08:54:40,738 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 08:54:40,738 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 08:54:40,739 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 08:54:40,740 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 08:54:40,740 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 08:54:40,741 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 08:54:40,741 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 08:54:40,743 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 08:54:40,744 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 08:54:40,745 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 08:54:40,746 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 08:54:40,746 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 08:54:40,748 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 08:54:40,748 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 08:54:40,748 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 08:54:40,749 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 08:54:40,750 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 08:54:40,750 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 08:54:40,751 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 08:54:40,752 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 08:54:40,752 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 08:54:40,752 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 08:54:40,752 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 08:54:40,752 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 08:54:40,754 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 08:54:40,754 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 08:54:40,754 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8e435473-e62f-4109-a642-0bd4f01721c3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 08:54:40,764 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 08:54:40,764 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 08:54:40,765 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 08:54:40,765 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 08:54:40,765 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 08:54:40,765 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 08:54:40,765 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 08:54:40,765 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 08:54:40,765 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 08:54:40,765 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 08:54:40,766 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 08:54:40,766 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 08:54:40,766 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 08:54:40,766 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 08:54:40,766 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 08:54:40,767 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 08:54:40,767 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 08:54:40,767 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 08:54:40,767 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 08:54:40,767 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 08:54:40,768 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 08:54:40,768 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 08:54:40,769 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 08:54:40,769 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 08:54:40,769 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 08:54:40,769 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 08:54:40,769 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 08:54:40,769 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 08:54:40,769 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 08:54:40,769 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 08:54:40,769 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 08:54:40,770 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 08:54:40,770 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 08:54:40,770 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 08:54:40,770 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 08:54:40,770 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 08:54:40,770 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 08:54:40,770 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_8e435473-e62f-4109-a642-0bd4f01721c3/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 -> 8a74a11a5d5c8fe8b4adcf5c10f76ddbc8ce0734 [2018-11-18 08:54:40,791 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 08:54:40,799 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 08:54:40,801 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 08:54:40,802 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 08:54:40,802 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 08:54:40,802 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8e435473-e62f-4109-a642-0bd4f01721c3/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec2_product59_true-unreach-call_false-termination.cil.c [2018-11-18 08:54:40,837 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8e435473-e62f-4109-a642-0bd4f01721c3/bin-2019/utaipan/data/904f95913/b821aa56f5da4ac2816d235207197912/FLAGbf621b2d7 [2018-11-18 08:54:41,271 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 08:54:41,272 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8e435473-e62f-4109-a642-0bd4f01721c3/sv-benchmarks/c/product-lines/minepump_spec2_product59_true-unreach-call_false-termination.cil.c [2018-11-18 08:54:41,282 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8e435473-e62f-4109-a642-0bd4f01721c3/bin-2019/utaipan/data/904f95913/b821aa56f5da4ac2816d235207197912/FLAGbf621b2d7 [2018-11-18 08:54:41,293 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8e435473-e62f-4109-a642-0bd4f01721c3/bin-2019/utaipan/data/904f95913/b821aa56f5da4ac2816d235207197912 [2018-11-18 08:54:41,295 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 08:54:41,296 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 08:54:41,297 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 08:54:41,297 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 08:54:41,299 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 08:54:41,299 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:54:41" (1/1) ... [2018-11-18 08:54:41,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae989df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:41, skipping insertion in model container [2018-11-18 08:54:41,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:54:41" (1/1) ... [2018-11-18 08:54:41,308 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 08:54:41,339 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 08:54:41,537 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:54:41,544 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 08:54:41,665 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 08:54:41,688 INFO L195 MainTranslator]: Completed translation [2018-11-18 08:54:41,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:41 WrapperNode [2018-11-18 08:54:41,689 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 08:54:41,689 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 08:54:41,689 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 08:54:41,690 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 08:54:41,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:41" (1/1) ... [2018-11-18 08:54:41,710 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:41" (1/1) ... [2018-11-18 08:54:41,718 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 08:54:41,718 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 08:54:41,718 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 08:54:41,718 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 08:54:41,727 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:41" (1/1) ... [2018-11-18 08:54:41,727 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:41" (1/1) ... [2018-11-18 08:54:41,731 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:41" (1/1) ... [2018-11-18 08:54:41,731 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:41" (1/1) ... [2018-11-18 08:54:41,741 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:41" (1/1) ... [2018-11-18 08:54:41,748 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:41" (1/1) ... [2018-11-18 08:54:41,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:41" (1/1) ... [2018-11-18 08:54:41,752 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 08:54:41,753 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 08:54:41,753 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 08:54:41,753 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 08:54:41,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e435473-e62f-4109-a642-0bd4f01721c3/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 08:54:41,791 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 08:54:41,791 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 08:54:41,791 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 08:54:41,791 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 08:54:41,791 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 08:54:41,791 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 08:54:41,791 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 08:54:41,792 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 08:54:41,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 08:54:41,792 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 08:54:41,792 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 08:54:41,792 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 08:54:41,792 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 08:54:41,792 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 08:54:41,792 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 08:54:41,792 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 08:54:41,793 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 08:54:41,793 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 08:54:41,793 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 08:54:41,793 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 08:54:41,793 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-18 08:54:41,793 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 08:54:41,793 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 08:54:41,793 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-18 08:54:41,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-18 08:54:41,793 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-18 08:54:41,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-18 08:54:41,794 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 08:54:41,794 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 08:54:41,794 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 08:54:41,794 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 08:54:41,794 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 08:54:41,794 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 08:54:41,794 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 08:54:41,794 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 08:54:41,794 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 08:54:41,794 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 08:54:41,795 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 08:54:41,795 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 08:54:41,795 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 08:54:41,795 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 08:54:41,795 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 08:54:41,795 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 08:54:41,795 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 08:54:41,795 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 08:54:41,795 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 08:54:41,795 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 08:54:41,796 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 08:54:41,796 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 08:54:41,796 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 08:54:41,796 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 08:54:41,796 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 08:54:41,796 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 08:54:41,796 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 08:54:41,796 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 08:54:41,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 08:54:41,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 08:54:41,797 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 08:54:41,797 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 08:54:41,797 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 08:54:41,797 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 08:54:41,797 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 08:54:41,797 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 08:54:42,208 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 08:54:42,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:54:42 BoogieIcfgContainer [2018-11-18 08:54:42,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 08:54:42,209 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 08:54:42,209 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 08:54:42,211 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 08:54:42,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:54:41" (1/3) ... [2018-11-18 08:54:42,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@429839aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:54:42, skipping insertion in model container [2018-11-18 08:54:42,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:54:41" (2/3) ... [2018-11-18 08:54:42,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@429839aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:54:42, skipping insertion in model container [2018-11-18 08:54:42,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:54:42" (3/3) ... [2018-11-18 08:54:42,214 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product59_true-unreach-call_false-termination.cil.c [2018-11-18 08:54:42,220 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 08:54:42,225 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 08:54:42,234 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 08:54:42,255 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 08:54:42,255 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 08:54:42,255 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 08:54:42,256 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 08:54:42,256 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 08:54:42,256 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 08:54:42,256 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 08:54:42,256 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 08:54:42,270 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states. [2018-11-18 08:54:42,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-18 08:54:42,277 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:54:42,277 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:54:42,279 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:54:42,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:54:42,284 INFO L82 PathProgramCache]: Analyzing trace with hash 1545121260, now seen corresponding path program 1 times [2018-11-18 08:54:42,286 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:54:42,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:54:42,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:54:42,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:54:42,314 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:54:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:42,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:54:42,480 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:54:42,480 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 08:54:42,480 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:54:42,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 08:54:42,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 08:54:42,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 08:54:42,493 INFO L87 Difference]: Start difference. First operand 166 states. Second operand 2 states. [2018-11-18 08:54:42,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:54:42,523 INFO L93 Difference]: Finished difference Result 302 states and 373 transitions. [2018-11-18 08:54:42,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 08:54:42,524 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-18 08:54:42,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:54:42,533 INFO L225 Difference]: With dead ends: 302 [2018-11-18 08:54:42,533 INFO L226 Difference]: Without dead ends: 153 [2018-11-18 08:54:42,536 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 08:54:42,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-11-18 08:54:42,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-11-18 08:54:42,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-11-18 08:54:42,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 180 transitions. [2018-11-18 08:54:42,574 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 180 transitions. Word has length 51 [2018-11-18 08:54:42,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:54:42,575 INFO L480 AbstractCegarLoop]: Abstraction has 153 states and 180 transitions. [2018-11-18 08:54:42,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 08:54:42,575 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 180 transitions. [2018-11-18 08:54:42,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-18 08:54:42,578 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:54:42,578 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:54:42,579 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:54:42,579 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:54:42,579 INFO L82 PathProgramCache]: Analyzing trace with hash 1407718533, now seen corresponding path program 1 times [2018-11-18 08:54:42,579 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:54:42,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:54:42,580 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:54:42,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:54:42,580 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:54:42,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:42,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:54:42,657 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:54:42,657 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:54:42,657 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:54:42,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:54:42,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:54:42,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:54:42,659 INFO L87 Difference]: Start difference. First operand 153 states and 180 transitions. Second operand 3 states. [2018-11-18 08:54:42,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:54:42,679 INFO L93 Difference]: Finished difference Result 243 states and 285 transitions. [2018-11-18 08:54:42,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:54:42,680 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-18 08:54:42,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:54:42,682 INFO L225 Difference]: With dead ends: 243 [2018-11-18 08:54:42,682 INFO L226 Difference]: Without dead ends: 143 [2018-11-18 08:54:42,683 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:54:42,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-11-18 08:54:42,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-11-18 08:54:42,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-11-18 08:54:42,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 167 transitions. [2018-11-18 08:54:42,696 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 167 transitions. Word has length 53 [2018-11-18 08:54:42,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:54:42,697 INFO L480 AbstractCegarLoop]: Abstraction has 143 states and 167 transitions. [2018-11-18 08:54:42,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:54:42,698 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 167 transitions. [2018-11-18 08:54:42,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-18 08:54:42,699 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:54:42,699 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:54:42,700 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:54:42,700 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:54:42,700 INFO L82 PathProgramCache]: Analyzing trace with hash -1376906533, now seen corresponding path program 1 times [2018-11-18 08:54:42,700 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:54:42,701 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:54:42,701 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:54:42,702 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:54:42,702 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:54:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:42,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:54:42,802 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:54:42,802 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 08:54:42,802 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:54:42,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 08:54:42,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 08:54:42,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 08:54:42,803 INFO L87 Difference]: Start difference. First operand 143 states and 167 transitions. Second operand 7 states. [2018-11-18 08:54:43,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:54:43,145 INFO L93 Difference]: Finished difference Result 425 states and 514 transitions. [2018-11-18 08:54:43,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 08:54:43,145 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-18 08:54:43,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:54:43,148 INFO L225 Difference]: With dead ends: 425 [2018-11-18 08:54:43,148 INFO L226 Difference]: Without dead ends: 310 [2018-11-18 08:54:43,148 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 08:54:43,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states. [2018-11-18 08:54:43,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 302. [2018-11-18 08:54:43,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2018-11-18 08:54:43,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 365 transitions. [2018-11-18 08:54:43,177 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 365 transitions. Word has length 57 [2018-11-18 08:54:43,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:54:43,178 INFO L480 AbstractCegarLoop]: Abstraction has 302 states and 365 transitions. [2018-11-18 08:54:43,178 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 08:54:43,178 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 365 transitions. [2018-11-18 08:54:43,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-11-18 08:54:43,180 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:54:43,180 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:54:43,180 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:54:43,181 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:54:43,182 INFO L82 PathProgramCache]: Analyzing trace with hash 690598936, now seen corresponding path program 1 times [2018-11-18 08:54:43,182 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:54:43,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:54:43,183 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:54:43,183 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:54:43,183 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:54:43,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:43,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:54:43,277 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:54:43,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 08:54:43,277 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:54:43,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 08:54:43,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:54:43,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:54:43,278 INFO L87 Difference]: Start difference. First operand 302 states and 365 transitions. Second operand 6 states. [2018-11-18 08:54:43,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:54:43,445 INFO L93 Difference]: Finished difference Result 832 states and 1029 transitions. [2018-11-18 08:54:43,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 08:54:43,446 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2018-11-18 08:54:43,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:54:43,449 INFO L225 Difference]: With dead ends: 832 [2018-11-18 08:54:43,449 INFO L226 Difference]: Without dead ends: 558 [2018-11-18 08:54:43,451 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 08:54:43,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 558 states. [2018-11-18 08:54:43,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 558 to 552. [2018-11-18 08:54:43,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 552 states. [2018-11-18 08:54:43,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 552 states to 552 states and 670 transitions. [2018-11-18 08:54:43,484 INFO L78 Accepts]: Start accepts. Automaton has 552 states and 670 transitions. Word has length 63 [2018-11-18 08:54:43,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:54:43,484 INFO L480 AbstractCegarLoop]: Abstraction has 552 states and 670 transitions. [2018-11-18 08:54:43,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 08:54:43,484 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 670 transitions. [2018-11-18 08:54:43,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 08:54:43,487 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:54:43,487 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:54:43,489 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:54:43,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:54:43,489 INFO L82 PathProgramCache]: Analyzing trace with hash 562036884, now seen corresponding path program 1 times [2018-11-18 08:54:43,489 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:54:43,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:54:43,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:54:43,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:54:43,490 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:54:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:43,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 08:54:43,580 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:54:43,580 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 08:54:43,580 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:54:43,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 08:54:43,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 08:54:43,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 08:54:43,581 INFO L87 Difference]: Start difference. First operand 552 states and 670 transitions. Second operand 7 states. [2018-11-18 08:54:44,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:54:44,060 INFO L93 Difference]: Finished difference Result 1411 states and 1832 transitions. [2018-11-18 08:54:44,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 08:54:44,062 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 67 [2018-11-18 08:54:44,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:54:44,065 INFO L225 Difference]: With dead ends: 1411 [2018-11-18 08:54:44,065 INFO L226 Difference]: Without dead ends: 887 [2018-11-18 08:54:44,067 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 08:54:44,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2018-11-18 08:54:44,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 785. [2018-11-18 08:54:44,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 785 states. [2018-11-18 08:54:44,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 949 transitions. [2018-11-18 08:54:44,108 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 949 transitions. Word has length 67 [2018-11-18 08:54:44,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:54:44,109 INFO L480 AbstractCegarLoop]: Abstraction has 785 states and 949 transitions. [2018-11-18 08:54:44,109 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 08:54:44,109 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 949 transitions. [2018-11-18 08:54:44,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 08:54:44,111 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:54:44,112 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:54:44,112 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:54:44,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:54:44,112 INFO L82 PathProgramCache]: Analyzing trace with hash 34913219, now seen corresponding path program 1 times [2018-11-18 08:54:44,112 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:54:44,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:54:44,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:54:44,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:54:44,113 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:54:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:44,187 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 08:54:44,187 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:54:44,187 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 08:54:44,188 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:54:44,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 08:54:44,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:54:44,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 08:54:44,188 INFO L87 Difference]: Start difference. First operand 785 states and 949 transitions. Second operand 6 states. [2018-11-18 08:54:44,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:54:44,226 INFO L93 Difference]: Finished difference Result 1570 states and 1958 transitions. [2018-11-18 08:54:44,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 08:54:44,227 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-11-18 08:54:44,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:54:44,230 INFO L225 Difference]: With dead ends: 1570 [2018-11-18 08:54:44,230 INFO L226 Difference]: Without dead ends: 813 [2018-11-18 08:54:44,231 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 08:54:44,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2018-11-18 08:54:44,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 805. [2018-11-18 08:54:44,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 805 states. [2018-11-18 08:54:44,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 969 transitions. [2018-11-18 08:54:44,258 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 969 transitions. Word has length 104 [2018-11-18 08:54:44,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:54:44,259 INFO L480 AbstractCegarLoop]: Abstraction has 805 states and 969 transitions. [2018-11-18 08:54:44,259 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 08:54:44,259 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 969 transitions. [2018-11-18 08:54:44,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 08:54:44,260 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:54:44,261 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:54:44,261 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:54:44,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:54:44,261 INFO L82 PathProgramCache]: Analyzing trace with hash 1963185921, now seen corresponding path program 1 times [2018-11-18 08:54:44,261 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:54:44,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:54:44,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:54:44,262 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:54:44,262 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:54:44,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:44,331 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 08:54:44,331 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:54:44,331 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 08:54:44,331 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:54:44,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 08:54:44,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 08:54:44,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 08:54:44,332 INFO L87 Difference]: Start difference. First operand 805 states and 969 transitions. Second operand 8 states. [2018-11-18 08:54:44,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:54:44,372 INFO L93 Difference]: Finished difference Result 1610 states and 1998 transitions. [2018-11-18 08:54:44,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 08:54:44,372 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2018-11-18 08:54:44,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:54:44,375 INFO L225 Difference]: With dead ends: 1610 [2018-11-18 08:54:44,375 INFO L226 Difference]: Without dead ends: 833 [2018-11-18 08:54:44,377 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 08:54:44,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2018-11-18 08:54:44,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 821. [2018-11-18 08:54:44,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2018-11-18 08:54:44,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 985 transitions. [2018-11-18 08:54:44,403 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 985 transitions. Word has length 104 [2018-11-18 08:54:44,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:54:44,403 INFO L480 AbstractCegarLoop]: Abstraction has 821 states and 985 transitions. [2018-11-18 08:54:44,403 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 08:54:44,403 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 985 transitions. [2018-11-18 08:54:44,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 08:54:44,405 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:54:44,405 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:54:44,406 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:54:44,406 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:54:44,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1722645792, now seen corresponding path program 1 times [2018-11-18 08:54:44,406 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:54:44,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:54:44,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:54:44,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:54:44,407 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:54:44,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:44,475 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 08:54:44,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:54:44,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 08:54:44,476 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:54:44,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 08:54:44,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 08:54:44,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:54:44,476 INFO L87 Difference]: Start difference. First operand 821 states and 985 transitions. Second operand 4 states. [2018-11-18 08:54:44,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:54:44,654 INFO L93 Difference]: Finished difference Result 2593 states and 3262 transitions. [2018-11-18 08:54:44,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 08:54:44,655 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-11-18 08:54:44,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:54:44,661 INFO L225 Difference]: With dead ends: 2593 [2018-11-18 08:54:44,661 INFO L226 Difference]: Without dead ends: 1800 [2018-11-18 08:54:44,662 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 08:54:44,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1800 states. [2018-11-18 08:54:44,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1800 to 1769. [2018-11-18 08:54:44,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1769 states. [2018-11-18 08:54:44,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1769 states to 1769 states and 2177 transitions. [2018-11-18 08:54:44,721 INFO L78 Accepts]: Start accepts. Automaton has 1769 states and 2177 transitions. Word has length 104 [2018-11-18 08:54:44,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:54:44,721 INFO L480 AbstractCegarLoop]: Abstraction has 1769 states and 2177 transitions. [2018-11-18 08:54:44,721 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 08:54:44,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 2177 transitions. [2018-11-18 08:54:44,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 08:54:44,724 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:54:44,724 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:54:44,724 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:54:44,724 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:54:44,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1910996762, now seen corresponding path program 1 times [2018-11-18 08:54:44,725 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:54:44,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:54:44,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:54:44,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:54:44,726 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:54:44,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:44,863 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 08:54:44,864 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:54:44,864 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 08:54:44,865 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 109 with the following transitions: [2018-11-18 08:54:44,866 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [40], [44], [46], [47], [50], [54], [55], [56], [71], [74], [76], [80], [86], [90], [94], [97], [102], [105], [110], [113], [129], [130], [133], [135], [138], [140], [143], [146], [158], [159], [160], [161], [162], [164], [169], [172], [173], [175], [180], [182], [183], [188], [190], [218], [219], [225], [229], [243], [247], [250], [252], [255], [265], [268], [272], [273], [276], [277], [278], [279], [280], [281], [282], [283], [284], [290], [291], [292], [294], [295], [302], [303], [304], [305], [306], [307], [310], [314], [315], [316], [317], [318], [320], [321], [322], [323], [324], [325], [332], [333], [334], [336], [337], [338], [340], [341], [342], [343] [2018-11-18 08:54:44,899 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 08:54:44,899 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 08:54:45,356 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 08:54:45,357 INFO L272 AbstractInterpreter]: Visited 81 different actions 81 times. Never merged. Never widened. Performed 2675 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2675 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 134 variables. [2018-11-18 08:54:45,366 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:54:45,366 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 08:54:45,583 INFO L227 lantSequenceWeakener]: Weakened 79 states. On average, predicates are now at 96.66% of their original sizes. [2018-11-18 08:54:45,583 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 08:54:45,695 INFO L415 sIntCurrentIteration]: We unified 107 AI predicates to 107 [2018-11-18 08:54:45,695 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 08:54:45,696 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 08:54:45,696 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [13] total 30 [2018-11-18 08:54:45,696 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:54:45,697 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 08:54:45,697 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 08:54:45,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=289, Unknown=0, NotChecked=0, Total=342 [2018-11-18 08:54:45,697 INFO L87 Difference]: Start difference. First operand 1769 states and 2177 transitions. Second operand 19 states. [2018-11-18 08:54:51,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:54:51,224 INFO L93 Difference]: Finished difference Result 4402 states and 5433 transitions. [2018-11-18 08:54:51,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-11-18 08:54:51,224 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 108 [2018-11-18 08:54:51,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:54:51,230 INFO L225 Difference]: With dead ends: 4402 [2018-11-18 08:54:51,231 INFO L226 Difference]: Without dead ends: 2661 [2018-11-18 08:54:51,234 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 122 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=152, Invalid=970, Unknown=0, NotChecked=0, Total=1122 [2018-11-18 08:54:51,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2661 states. [2018-11-18 08:54:51,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2661 to 2646. [2018-11-18 08:54:51,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2646 states. [2018-11-18 08:54:51,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2646 states to 2646 states and 3183 transitions. [2018-11-18 08:54:51,305 INFO L78 Accepts]: Start accepts. Automaton has 2646 states and 3183 transitions. Word has length 108 [2018-11-18 08:54:51,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:54:51,305 INFO L480 AbstractCegarLoop]: Abstraction has 2646 states and 3183 transitions. [2018-11-18 08:54:51,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 08:54:51,305 INFO L276 IsEmpty]: Start isEmpty. Operand 2646 states and 3183 transitions. [2018-11-18 08:54:51,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 08:54:51,309 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:54:51,309 INFO L375 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, 1, 1, 1, 1, 1, 1] [2018-11-18 08:54:51,310 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:54:51,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:54:51,310 INFO L82 PathProgramCache]: Analyzing trace with hash -413377998, now seen corresponding path program 1 times [2018-11-18 08:54:51,310 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:54:51,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:54:51,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:54:51,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:54:51,311 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:54:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:51,354 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 08:54:51,354 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 08:54:51,354 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 08:54:51,354 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:54:51,355 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 08:54:51,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 08:54:51,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:54:51,355 INFO L87 Difference]: Start difference. First operand 2646 states and 3183 transitions. Second operand 3 states. [2018-11-18 08:54:51,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:54:51,484 INFO L93 Difference]: Finished difference Result 3091 states and 3722 transitions. [2018-11-18 08:54:51,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 08:54:51,484 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2018-11-18 08:54:51,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:54:51,487 INFO L225 Difference]: With dead ends: 3091 [2018-11-18 08:54:51,487 INFO L226 Difference]: Without dead ends: 1190 [2018-11-18 08:54:51,490 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 08:54:51,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1190 states. [2018-11-18 08:54:51,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1190 to 1190. [2018-11-18 08:54:51,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1190 states. [2018-11-18 08:54:51,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1190 states to 1190 states and 1392 transitions. [2018-11-18 08:54:51,521 INFO L78 Accepts]: Start accepts. Automaton has 1190 states and 1392 transitions. Word has length 142 [2018-11-18 08:54:51,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:54:51,522 INFO L480 AbstractCegarLoop]: Abstraction has 1190 states and 1392 transitions. [2018-11-18 08:54:51,522 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 08:54:51,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1190 states and 1392 transitions. [2018-11-18 08:54:51,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-11-18 08:54:51,524 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:54:51,524 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 08:54:51,524 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:54:51,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:54:51,525 INFO L82 PathProgramCache]: Analyzing trace with hash -1880300265, now seen corresponding path program 1 times [2018-11-18 08:54:51,525 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:54:51,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:54:51,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:54:51,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:54:51,525 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:54:51,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:51,590 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 08:54:51,590 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:54:51,590 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 08:54:51,590 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 167 with the following transitions: [2018-11-18 08:54:51,591 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [44], [46], [47], [50], [54], [55], [56], [59], [61], [67], [71], [74], [75], [76], [80], [86], [90], [94], [97], [102], [105], [108], [110], [113], [129], [130], [131], [132], [133], [135], [138], [140], [143], [146], [155], [157], [158], [159], [160], [161], [162], [164], [169], [172], [173], [175], [180], [182], [183], [188], [190], [218], [219], [222], [225], [229], [235], [240], [242], [243], [247], [250], [252], [255], [262], [265], [268], [272], [273], [276], [277], [278], [279], [280], [281], [282], [283], [284], [288], [289], [290], [291], [292], [294], [295], [296], [297], [300], [301], [302], [303], [304], [305], [306], [307], [310], [311], [314], [315], [316], [317], [318], [320], [321], [322], [323], [324], [325], [330], [331], [332], [333], [334], [335], [336], [337], [338], [340], [341], [342], [343], [346], [347] [2018-11-18 08:54:51,593 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 08:54:51,593 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 08:54:52,800 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 08:54:52,800 INFO L272 AbstractInterpreter]: Visited 135 different actions 697 times. Merged at 20 different actions 60 times. Never widened. Performed 32709 root evaluator evaluations with a maximum evaluation depth of 5. Performed 32709 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 10 fixpoints after 4 different actions. Largest state had 134 variables. [2018-11-18 08:54:52,809 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:54:52,809 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 08:54:53,067 INFO L227 lantSequenceWeakener]: Weakened 162 states. On average, predicates are now at 97.91% of their original sizes. [2018-11-18 08:54:53,067 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 08:54:53,170 INFO L415 sIntCurrentIteration]: We unified 165 AI predicates to 165 [2018-11-18 08:54:53,170 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 08:54:53,171 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 08:54:53,171 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [5] total 23 [2018-11-18 08:54:53,171 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:54:53,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-18 08:54:53,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-18 08:54:53,172 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=302, Unknown=0, NotChecked=0, Total=380 [2018-11-18 08:54:53,172 INFO L87 Difference]: Start difference. First operand 1190 states and 1392 transitions. Second operand 20 states. [2018-11-18 08:54:58,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:54:58,860 INFO L93 Difference]: Finished difference Result 3522 states and 4423 transitions. [2018-11-18 08:54:58,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-11-18 08:54:58,860 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 166 [2018-11-18 08:54:58,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:54:58,870 INFO L225 Difference]: With dead ends: 3522 [2018-11-18 08:54:58,870 INFO L226 Difference]: Without dead ends: 2787 [2018-11-18 08:54:58,874 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 202 GetRequests, 147 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 999 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=555, Invalid=2637, Unknown=0, NotChecked=0, Total=3192 [2018-11-18 08:54:58,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2787 states. [2018-11-18 08:54:58,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2787 to 2486. [2018-11-18 08:54:58,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2486 states. [2018-11-18 08:54:59,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 2486 states and 2912 transitions. [2018-11-18 08:54:59,001 INFO L78 Accepts]: Start accepts. Automaton has 2486 states and 2912 transitions. Word has length 166 [2018-11-18 08:54:59,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:54:59,001 INFO L480 AbstractCegarLoop]: Abstraction has 2486 states and 2912 transitions. [2018-11-18 08:54:59,001 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-18 08:54:59,002 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 2912 transitions. [2018-11-18 08:54:59,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-11-18 08:54:59,007 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:54:59,008 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 08:54:59,008 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:54:59,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:54:59,008 INFO L82 PathProgramCache]: Analyzing trace with hash 2030435397, now seen corresponding path program 1 times [2018-11-18 08:54:59,008 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:54:59,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:54:59,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:54:59,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:54:59,009 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:54:59,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:54:59,115 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 54 proven. 14 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-18 08:54:59,115 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:54:59,115 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 08:54:59,116 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 224 with the following transitions: [2018-11-18 08:54:59,116 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [44], [46], [47], [50], [54], [55], [56], [59], [61], [67], [71], [74], [75], [76], [80], [86], [90], [94], [97], [100], [102], [105], [108], [110], [113], [129], [130], [131], [132], [133], [135], [138], [140], [143], [146], [149], [155], [157], [158], [159], [160], [161], [162], [164], [169], [172], [173], [175], [180], [182], [183], [188], [190], [218], [219], [222], [225], [229], [235], [240], [242], [243], [247], [250], [252], [255], [262], [265], [268], [272], [273], [276], [277], [278], [279], [280], [281], [282], [283], [284], [288], [289], [290], [291], [292], [294], [295], [296], [297], [300], [301], [302], [303], [304], [305], [306], [307], [310], [311], [314], [315], [316], [317], [318], [320], [321], [322], [323], [324], [325], [330], [331], [332], [333], [334], [335], [336], [337], [338], [340], [341], [342], [343], [346], [347] [2018-11-18 08:54:59,119 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 08:54:59,119 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 08:55:00,453 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 08:55:00,454 INFO L272 AbstractInterpreter]: Visited 139 different actions 1198 times. Merged at 23 different actions 128 times. Widened at 1 different actions 1 times. Performed 38086 root evaluator evaluations with a maximum evaluation depth of 5. Performed 38086 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 32 fixpoints after 7 different actions. Largest state had 134 variables. [2018-11-18 08:55:00,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:55:00,466 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 08:55:00,466 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:55:00,466 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e435473-e62f-4109-a642-0bd4f01721c3/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 08:55:00,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:55:00,490 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 08:55:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:00,597 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:55:00,675 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 106 proven. 19 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 08:55:00,676 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 08:55:00,972 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 54 proven. 14 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-18 08:55:00,989 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 08:55:00,990 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 5] total 11 [2018-11-18 08:55:00,990 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 08:55:00,990 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 08:55:00,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 08:55:00,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-18 08:55:00,991 INFO L87 Difference]: Start difference. First operand 2486 states and 2912 transitions. Second operand 8 states. [2018-11-18 08:55:01,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:55:01,723 INFO L93 Difference]: Finished difference Result 4368 states and 5376 transitions. [2018-11-18 08:55:01,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 08:55:01,723 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 223 [2018-11-18 08:55:01,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:55:01,729 INFO L225 Difference]: With dead ends: 4368 [2018-11-18 08:55:01,729 INFO L226 Difference]: Without dead ends: 2374 [2018-11-18 08:55:01,733 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 456 GetRequests, 444 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=50, Invalid=106, Unknown=0, NotChecked=0, Total=156 [2018-11-18 08:55:01,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2374 states. [2018-11-18 08:55:01,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2374 to 2152. [2018-11-18 08:55:01,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2152 states. [2018-11-18 08:55:01,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2152 states to 2152 states and 2483 transitions. [2018-11-18 08:55:01,803 INFO L78 Accepts]: Start accepts. Automaton has 2152 states and 2483 transitions. Word has length 223 [2018-11-18 08:55:01,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:55:01,804 INFO L480 AbstractCegarLoop]: Abstraction has 2152 states and 2483 transitions. [2018-11-18 08:55:01,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 08:55:01,804 INFO L276 IsEmpty]: Start isEmpty. Operand 2152 states and 2483 transitions. [2018-11-18 08:55:01,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-11-18 08:55:01,808 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:55:01,808 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 08:55:01,808 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:55:01,808 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:55:01,808 INFO L82 PathProgramCache]: Analyzing trace with hash -291366521, now seen corresponding path program 1 times [2018-11-18 08:55:01,808 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:55:01,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:55:01,809 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:55:01,809 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:55:01,809 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:55:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:01,929 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 54 proven. 26 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 08:55:01,930 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:55:01,930 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 08:55:01,930 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 224 with the following transitions: [2018-11-18 08:55:01,930 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [38], [39], [40], [44], [46], [47], [50], [54], [55], [56], [59], [61], [67], [71], [74], [75], [76], [80], [86], [90], [94], [97], [100], [102], [105], [108], [110], [113], [129], [130], [131], [132], [133], [135], [138], [140], [143], [146], [149], [155], [157], [158], [159], [160], [161], [162], [164], [169], [172], [173], [175], [180], [182], [183], [188], [190], [218], [219], [222], [225], [229], [235], [238], [240], [242], [243], [247], [250], [252], [255], [262], [265], [268], [272], [273], [276], [277], [278], [279], [280], [281], [282], [283], [284], [288], [289], [290], [291], [292], [294], [295], [296], [297], [300], [301], [302], [303], [304], [305], [306], [307], [310], [311], [314], [315], [316], [317], [318], [320], [321], [322], [323], [324], [325], [330], [331], [332], [333], [334], [335], [336], [337], [338], [340], [341], [342], [343], [346], [347] [2018-11-18 08:55:01,932 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 08:55:01,933 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 08:55:03,485 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 08:55:03,485 INFO L272 AbstractInterpreter]: Visited 140 different actions 1330 times. Merged at 24 different actions 133 times. Widened at 1 different actions 1 times. Performed 47704 root evaluator evaluations with a maximum evaluation depth of 5. Performed 47704 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 38 fixpoints after 8 different actions. Largest state had 134 variables. [2018-11-18 08:55:03,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:55:03,489 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 08:55:03,489 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:55:03,489 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e435473-e62f-4109-a642-0bd4f01721c3/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 08:55:03,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:55:03,495 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 08:55:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:03,602 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:55:03,716 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 89 proven. 31 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 08:55:03,716 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 08:55:03,967 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 44 proven. 24 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-18 08:55:03,984 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 08:55:03,984 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7, 8] total 17 [2018-11-18 08:55:03,984 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 08:55:03,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 08:55:03,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 08:55:03,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2018-11-18 08:55:03,985 INFO L87 Difference]: Start difference. First operand 2152 states and 2483 transitions. Second operand 13 states. [2018-11-18 08:55:05,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:55:05,296 INFO L93 Difference]: Finished difference Result 5138 states and 6400 transitions. [2018-11-18 08:55:05,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-11-18 08:55:05,296 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 223 [2018-11-18 08:55:05,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:55:05,309 INFO L225 Difference]: With dead ends: 5138 [2018-11-18 08:55:05,309 INFO L226 Difference]: Without dead ends: 3422 [2018-11-18 08:55:05,315 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 488 GetRequests, 451 SyntacticMatches, 4 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=279, Invalid=911, Unknown=0, NotChecked=0, Total=1190 [2018-11-18 08:55:05,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3422 states. [2018-11-18 08:55:05,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3422 to 2840. [2018-11-18 08:55:05,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2840 states. [2018-11-18 08:55:05,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2840 states to 2840 states and 3263 transitions. [2018-11-18 08:55:05,477 INFO L78 Accepts]: Start accepts. Automaton has 2840 states and 3263 transitions. Word has length 223 [2018-11-18 08:55:05,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:55:05,477 INFO L480 AbstractCegarLoop]: Abstraction has 2840 states and 3263 transitions. [2018-11-18 08:55:05,477 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 08:55:05,477 INFO L276 IsEmpty]: Start isEmpty. Operand 2840 states and 3263 transitions. [2018-11-18 08:55:05,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2018-11-18 08:55:05,482 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 08:55:05,483 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 08:55:05,483 INFO L423 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 08:55:05,483 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:55:05,483 INFO L82 PathProgramCache]: Analyzing trace with hash -1557253053, now seen corresponding path program 1 times [2018-11-18 08:55:05,483 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 08:55:05,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:55:05,484 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:55:05,484 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 08:55:05,484 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 08:55:05,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:05,592 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 45 proven. 8 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-18 08:55:05,592 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:55:05,592 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 08:55:05,593 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 224 with the following transitions: [2018-11-18 08:55:05,593 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [7], [10], [27], [28], [29], [31], [34], [36], [38], [39], [40], [44], [46], [47], [50], [54], [55], [56], [59], [61], [67], [71], [74], [75], [76], [80], [86], [90], [94], [97], [100], [102], [105], [108], [110], [113], [129], [130], [131], [132], [133], [135], [138], [140], [143], [146], [149], [155], [157], [158], [159], [160], [161], [162], [164], [169], [172], [173], [175], [180], [182], [183], [188], [190], [218], [219], [222], [225], [229], [235], [238], [242], [243], [247], [250], [252], [255], [262], [265], [268], [272], [273], [276], [277], [278], [279], [280], [281], [282], [283], [284], [288], [289], [290], [291], [292], [294], [295], [296], [297], [300], [301], [302], [303], [304], [305], [306], [307], [310], [311], [314], [315], [316], [317], [318], [320], [321], [322], [323], [324], [325], [330], [331], [332], [333], [334], [335], [336], [337], [338], [340], [341], [342], [343], [346], [347] [2018-11-18 08:55:05,595 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 08:55:05,595 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 08:55:06,925 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 08:55:06,925 INFO L272 AbstractInterpreter]: Visited 140 different actions 1223 times. Merged at 25 different actions 139 times. Never widened. Performed 37129 root evaluator evaluations with a maximum evaluation depth of 5. Performed 37129 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 37 fixpoints after 6 different actions. Largest state had 134 variables. [2018-11-18 08:55:06,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 08:55:06,929 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 08:55:06,929 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 08:55:06,929 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e435473-e62f-4109-a642-0bd4f01721c3/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 08:55:06,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 08:55:06,939 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 08:55:07,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 08:55:07,013 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 08:55:07,055 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-18 08:55:07,056 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 08:55:07,198 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 45 proven. 8 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-11-18 08:55:07,213 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 08:55:07,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-11-18 08:55:07,213 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 08:55:07,214 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 08:55:07,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 08:55:07,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-18 08:55:07,214 INFO L87 Difference]: Start difference. First operand 2840 states and 3263 transitions. Second operand 6 states. [2018-11-18 08:55:07,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 08:55:07,272 INFO L93 Difference]: Finished difference Result 3590 states and 4131 transitions. [2018-11-18 08:55:07,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 08:55:07,273 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 223 [2018-11-18 08:55:07,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 08:55:07,274 INFO L225 Difference]: With dead ends: 3590 [2018-11-18 08:55:07,274 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 08:55:07,279 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 441 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-11-18 08:55:07,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 08:55:07,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 08:55:07,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 08:55:07,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 08:55:07,280 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 223 [2018-11-18 08:55:07,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 08:55:07,280 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 08:55:07,280 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 08:55:07,280 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 08:55:07,280 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 08:55:07,287 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 08:55:07,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,386 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,387 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,522 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,793 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,875 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,969 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:07,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 08:55:08,623 WARN L180 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 57 [2018-11-18 08:55:08,920 WARN L180 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 37 [2018-11-18 08:55:09,165 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 50 [2018-11-18 08:55:09,324 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 36 [2018-11-18 08:55:09,669 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 37 [2018-11-18 08:55:09,856 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 18 [2018-11-18 08:55:09,982 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 38 [2018-11-18 08:55:10,374 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 37 [2018-11-18 08:55:11,330 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 36 [2018-11-18 08:55:11,332 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 518 524) the Hoare annotation is: true [2018-11-18 08:55:11,332 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 518 524) no Hoare annotation was computed. [2018-11-18 08:55:11,332 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 525 533) no Hoare annotation was computed. [2018-11-18 08:55:11,332 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 525 533) the Hoare annotation is: true [2018-11-18 08:55:11,332 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 525 533) no Hoare annotation was computed. [2018-11-18 08:55:11,333 INFO L421 ceAbstractionStarter]: At program point L482-1(line 482) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 08:55:11,333 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 476 498) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 08:55:11,333 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 476 498) no Hoare annotation was computed. [2018-11-18 08:55:11,333 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 476 498) no Hoare annotation was computed. [2018-11-18 08:55:11,333 INFO L421 ceAbstractionStarter]: At program point L488(line 488) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 08:55:11,333 INFO L421 ceAbstractionStarter]: At program point L488-1(line 488) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 08:55:11,333 INFO L425 ceAbstractionStarter]: For program point L486(lines 486 493) no Hoare annotation was computed. [2018-11-18 08:55:11,333 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 486 493) no Hoare annotation was computed. [2018-11-18 08:55:11,333 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-18 08:55:11,333 INFO L421 ceAbstractionStarter]: At program point L483(line 483) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 08:55:11,333 INFO L421 ceAbstractionStarter]: At program point L482(line 482) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 08:55:11,334 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 275 289) no Hoare annotation was computed. [2018-11-18 08:55:11,334 INFO L421 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: (and (not (= 0 |old(~pumpRunning~0)|)) (or (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)))) [2018-11-18 08:55:11,334 INFO L425 ceAbstractionStarter]: For program point L279(lines 279 285) no Hoare annotation was computed. [2018-11-18 08:55:11,334 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 275 289) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1) (or (and (= ~systemActive~0 1) .cse1) (not (= |old(~systemActive~0)| 1))) (or (= ~systemActive~0 0) (not (= |old(~systemActive~0)| 0)) .cse0))) [2018-11-18 08:55:11,334 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 275 289) no Hoare annotation was computed. [2018-11-18 08:55:11,334 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 192 200) no Hoare annotation was computed. [2018-11-18 08:55:11,334 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 192 200) the Hoare annotation is: true [2018-11-18 08:55:11,334 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 192 200) no Hoare annotation was computed. [2018-11-18 08:55:11,334 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 256 274) the Hoare annotation is: true [2018-11-18 08:55:11,334 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 269) no Hoare annotation was computed. [2018-11-18 08:55:11,334 INFO L428 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: true [2018-11-18 08:55:11,334 INFO L425 ceAbstractionStarter]: For program point L265-2(lines 265 269) no Hoare annotation was computed. [2018-11-18 08:55:11,334 INFO L425 ceAbstractionStarter]: For program point L263-1(line 263) no Hoare annotation was computed. [2018-11-18 08:55:11,334 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 256 274) no Hoare annotation was computed. [2018-11-18 08:55:11,334 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 256 274) no Hoare annotation was computed. [2018-11-18 08:55:11,335 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 511 517) no Hoare annotation was computed. [2018-11-18 08:55:11,335 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 511 517) the Hoare annotation is: true [2018-11-18 08:55:11,335 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 462 472) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 08:55:11,335 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 462 472) no Hoare annotation was computed. [2018-11-18 08:55:11,335 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 462 472) no Hoare annotation was computed. [2018-11-18 08:55:11,335 INFO L421 ceAbstractionStarter]: At program point L467(line 467) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 08:55:11,335 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 181 191) the Hoare annotation is: true [2018-11-18 08:55:11,335 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 181 191) no Hoare annotation was computed. [2018-11-18 08:55:11,335 INFO L428 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: true [2018-11-18 08:55:11,335 INFO L425 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2018-11-18 08:55:11,335 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 181 191) no Hoare annotation was computed. [2018-11-18 08:55:11,335 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 173 180) the Hoare annotation is: (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-18 08:55:11,335 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 173 180) no Hoare annotation was computed. [2018-11-18 08:55:11,335 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 173 180) no Hoare annotation was computed. [2018-11-18 08:55:11,336 INFO L425 ceAbstractionStarter]: For program point L985(lines 985 991) no Hoare annotation was computed. [2018-11-18 08:55:11,336 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 981 994) no Hoare annotation was computed. [2018-11-18 08:55:11,336 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 981 994) the Hoare annotation is: true [2018-11-18 08:55:11,336 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 981 994) no Hoare annotation was computed. [2018-11-18 08:55:11,336 INFO L421 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= 0 |old(~pumpRunning~0)|))) (and (or (not .cse0) .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2 .cse0))) [2018-11-18 08:55:11,336 INFO L425 ceAbstractionStarter]: For program point L128-1(line 128) no Hoare annotation was computed. [2018-11-18 08:55:11,336 INFO L425 ceAbstractionStarter]: For program point L126(lines 126 143) no Hoare annotation was computed. [2018-11-18 08:55:11,336 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 122 146) no Hoare annotation was computed. [2018-11-18 08:55:11,336 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 122 146) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (= 0 |old(~pumpRunning~0)|)) (or .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0)) .cse0))) [2018-11-18 08:55:11,336 INFO L421 ceAbstractionStarter]: At program point L141(line 141) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (= 0 |old(~pumpRunning~0)|)) (or .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-18 08:55:11,336 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 122 146) no Hoare annotation was computed. [2018-11-18 08:55:11,336 INFO L421 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methAndRunningLastTime~0 0))) (or .cse0 .cse1 (= 0 |old(~pumpRunning~0)|)))) [2018-11-18 08:55:11,336 INFO L421 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= 0 |old(~pumpRunning~0)|))) (and (or (not .cse0) .cse1 .cse2 (not (= ~methAndRunningLastTime~0 0))) (or .cse1 .cse2 (and (<= 1 processEnvironment_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse0))) [2018-11-18 08:55:11,336 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 138) no Hoare annotation was computed. [2018-11-18 08:55:11,337 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 88 94) no Hoare annotation was computed. [2018-11-18 08:55:11,337 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 88 94) the Hoare annotation is: true [2018-11-18 08:55:11,337 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 294 359) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~methAndRunningLastTime~0 0) (= ~methaneLevelCritical~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 08:55:11,337 INFO L421 ceAbstractionStarter]: At program point L349(lines 304 351) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 1)) (.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 0) (= 0 ~pumpRunning~0) .cse0) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse1 .cse0) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (= ~methAndRunningLastTime~0 0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) .cse1 .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 08:55:11,337 INFO L421 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 1)) (.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 0) (= 0 ~pumpRunning~0) .cse0) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (= ~methAndRunningLastTime~0 0) (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0) .cse1 .cse0) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse1 .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 08:55:11,337 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 320) no Hoare annotation was computed. [2018-11-18 08:55:11,337 INFO L425 ceAbstractionStarter]: For program point L314-1(lines 314 320) no Hoare annotation was computed. [2018-11-18 08:55:11,337 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 294 359) no Hoare annotation was computed. [2018-11-18 08:55:11,337 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 310) no Hoare annotation was computed. [2018-11-18 08:55:11,337 INFO L425 ceAbstractionStarter]: For program point L304-1(lines 304 351) no Hoare annotation was computed. [2018-11-18 08:55:11,337 INFO L421 ceAbstractionStarter]: At program point L352(lines 303 353) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-18 08:55:11,338 INFO L421 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (= 0 ~pumpRunning~0) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-18 08:55:11,338 INFO L425 ceAbstractionStarter]: For program point L340(lines 340 346) no Hoare annotation was computed. [2018-11-18 08:55:11,338 INFO L421 ceAbstractionStarter]: At program point L340-1(lines 334 347) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 0) (= 0 ~pumpRunning~0) .cse0) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (= ~methAndRunningLastTime~0 0) (<= 1 ~waterLevel~0) .cse1 .cse2 .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 2 ~waterLevel~0) .cse2 (not .cse1) .cse0))) [2018-11-18 08:55:11,338 INFO L425 ceAbstractionStarter]: For program point L305(lines 304 351) no Hoare annotation was computed. [2018-11-18 08:55:11,338 INFO L425 ceAbstractionStarter]: For program point L334(lines 334 347) no Hoare annotation was computed. [2018-11-18 08:55:11,338 INFO L421 ceAbstractionStarter]: At program point L326(line 326) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 1)) (.cse1 (= ~pumpRunning~0 0)) (.cse0 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and (= ~systemActive~0 0) (= 0 ~pumpRunning~0) .cse0) (not (= |old(~methAndRunningLastTime~0)| 0)) (and (= ~methAndRunningLastTime~0 0) (<= 1 ~waterLevel~0) .cse1 .cse2 .cse0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 2 ~waterLevel~0) .cse2 (not .cse1) .cse0))) [2018-11-18 08:55:11,338 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 330) no Hoare annotation was computed. [2018-11-18 08:55:11,338 INFO L425 ceAbstractionStarter]: For program point L324-1(lines 324 330) no Hoare annotation was computed. [2018-11-18 08:55:11,338 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 294 359) no Hoare annotation was computed. [2018-11-18 08:55:11,338 INFO L421 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 147 154) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methAndRunningLastTime~0 0))) [2018-11-18 08:55:11,338 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 147 154) no Hoare annotation was computed. [2018-11-18 08:55:11,338 INFO L425 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 147 154) no Hoare annotation was computed. [2018-11-18 08:55:11,338 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 995 1003) no Hoare annotation was computed. [2018-11-18 08:55:11,339 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 995 1003) the Hoare annotation is: true [2018-11-18 08:55:11,339 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 995 1003) no Hoare annotation was computed. [2018-11-18 08:55:11,339 INFO L421 ceAbstractionStarter]: At program point L385(line 385) the Hoare annotation is: (let ((.cse3 (< ~waterLevel~0 2)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 ~pumpRunning~0)))) (and (or (< ~waterLevel~0 1) (or .cse0 .cse1)) (or (or .cse2 .cse1 (not (= ~methaneLevelCritical~0 0))) .cse3) (or .cse3 .cse2 .cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (or .cse0 (not (= ~systemActive~0 0))))) [2018-11-18 08:55:11,339 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 389) no Hoare annotation was computed. [2018-11-18 08:55:11,339 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 392) no Hoare annotation was computed. [2018-11-18 08:55:11,339 INFO L421 ceAbstractionStarter]: At program point L380(line 380) the Hoare annotation is: (let ((.cse8 (< ~waterLevel~0 2)) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 0))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse9 (< ~waterLevel~0 1)) (.cse6 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (or .cse5 .cse6 .cse7) .cse8) (or (or .cse1 .cse6 .cse7) .cse9) (or .cse3 .cse8 .cse5 .cse6 .cse4) (or .cse1 .cse2 .cse7) (or .cse0 .cse1 .cse3 .cse9 .cse6 .cse4))) [2018-11-18 08:55:11,339 INFO L425 ceAbstractionStarter]: For program point L380-1(line 380) no Hoare annotation was computed. [2018-11-18 08:55:11,339 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 395) no Hoare annotation was computed. [2018-11-18 08:55:11,339 INFO L425 ceAbstractionStarter]: For program point L378-1(lines 370 398) no Hoare annotation was computed. [2018-11-18 08:55:11,339 INFO L421 ceAbstractionStarter]: At program point L376(line 376) the Hoare annotation is: (let ((.cse4 (< ~waterLevel~0 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse5 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 (not (= ~systemActive~0 0)) .cse2 .cse3) (or .cse2 .cse4 (not (= 1 ~pumpRunning~0)) .cse5 .cse3) (or .cse1 .cse4 .cse5 .cse2 .cse3) (or .cse2 .cse1 .cse5 .cse3 (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 1) .cse5 .cse3))) [2018-11-18 08:55:11,339 INFO L425 ceAbstractionStarter]: For program point L376-1(line 376) no Hoare annotation was computed. [2018-11-18 08:55:11,340 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 370 398) the Hoare annotation is: (let ((.cse4 (< ~waterLevel~0 2)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (= ~methAndRunningLastTime~0 0)) (.cse5 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0)))) (and (or .cse0 .cse1 (not (= ~systemActive~0 0)) .cse2 .cse3) (or .cse2 .cse4 (not (= 1 ~pumpRunning~0)) .cse5 .cse3) (or .cse1 .cse4 .cse5 .cse2 .cse3) (or .cse2 .cse1 .cse5 .cse3 (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) (or .cse0 .cse1 .cse2 (< ~waterLevel~0 1) .cse5 .cse3))) [2018-11-18 08:55:11,340 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 370 398) no Hoare annotation was computed. [2018-11-18 08:55:11,340 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 362 369) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~methAndRunningLastTime~0 0) (not (= ~systemActive~0 1)) (not (= |old(~methAndRunningLastTime~0)| 0)) (not (= ~waterLevel~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-18 08:55:11,340 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 362 369) no Hoare annotation was computed. [2018-11-18 08:55:11,340 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 362 369) no Hoare annotation was computed. [2018-11-18 08:55:11,340 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 08:55:11,340 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 08:55:11,340 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 08:55:11,340 INFO L421 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methAndRunningLastTime~0 0))) [2018-11-18 08:55:11,340 INFO L425 ceAbstractionStarter]: For program point L161-1(line 161) no Hoare annotation was computed. [2018-11-18 08:55:11,340 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 156 172) no Hoare annotation was computed. [2018-11-18 08:55:11,340 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 156 172) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methAndRunningLastTime~0 0))) [2018-11-18 08:55:11,340 INFO L421 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-11-18 08:55:11,340 INFO L425 ceAbstractionStarter]: For program point L167-1(lines 156 172) no Hoare annotation was computed. [2018-11-18 08:55:11,341 INFO L425 ceAbstractionStarter]: For program point L163(lines 163 169) no Hoare annotation was computed. [2018-11-18 08:55:11,341 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 237 255) no Hoare annotation was computed. [2018-11-18 08:55:11,341 INFO L425 ceAbstractionStarter]: For program point L246(lines 246 250) no Hoare annotation was computed. [2018-11-18 08:55:11,341 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 237 255) the Hoare annotation is: true [2018-11-18 08:55:11,341 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 237 255) no Hoare annotation was computed. [2018-11-18 08:55:11,341 INFO L428 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: true [2018-11-18 08:55:11,341 INFO L425 ceAbstractionStarter]: For program point L246-2(lines 246 250) no Hoare annotation was computed. [2018-11-18 08:55:11,341 INFO L425 ceAbstractionStarter]: For program point L244-1(line 244) no Hoare annotation was computed. [2018-11-18 08:55:11,341 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 928 939) the Hoare annotation is: (let ((.cse9 (not (= ~systemActive~0 0))) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse8 (not (= ~waterLevel~0 1))) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse5 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse4 (< ~waterLevel~0 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 (or (or .cse1 .cse2 .cse3) .cse4)) (or .cse5 .cse6 .cse7 .cse1 .cse2 .cse8) (or .cse6 .cse9 .cse0 .cse3) (or .cse5 .cse6 .cse9 .cse7 .cse2) (or .cse0 .cse6 .cse1 .cse2 .cse8 .cse3) (or .cse7 (or .cse5 .cse4 .cse1 .cse2)))) [2018-11-18 08:55:11,341 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 928 939) no Hoare annotation was computed. [2018-11-18 08:55:11,341 INFO L425 ceAbstractionStarter]: For program point L932-1(lines 928 939) no Hoare annotation was computed. [2018-11-18 08:55:11,341 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 401 430) no Hoare annotation was computed. [2018-11-18 08:55:11,341 INFO L425 ceAbstractionStarter]: For program point L415(lines 415 419) no Hoare annotation was computed. [2018-11-18 08:55:11,341 INFO L428 ceAbstractionStarter]: At program point L415-1(lines 415 419) the Hoare annotation is: true [2018-11-18 08:55:11,341 INFO L425 ceAbstractionStarter]: For program point L411-1(lines 411 425) no Hoare annotation was computed. [2018-11-18 08:55:11,342 INFO L428 ceAbstractionStarter]: At program point L411-3(lines 411 425) the Hoare annotation is: true [2018-11-18 08:55:11,342 INFO L428 ceAbstractionStarter]: At program point L407(line 407) the Hoare annotation is: true [2018-11-18 08:55:11,342 INFO L425 ceAbstractionStarter]: For program point L407-1(line 407) no Hoare annotation was computed. [2018-11-18 08:55:11,342 INFO L428 ceAbstractionStarter]: At program point L426(lines 401 430) the Hoare annotation is: true [2018-11-18 08:55:11,342 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-18 08:55:11,342 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 401 430) the Hoare annotation is: true [2018-11-18 08:55:11,342 INFO L425 ceAbstractionStarter]: For program point L412(line 412) no Hoare annotation was computed. [2018-11-18 08:55:11,342 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 940 948) the Hoare annotation is: true [2018-11-18 08:55:11,342 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 940 948) no Hoare annotation was computed. [2018-11-18 08:55:11,342 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 940 948) no Hoare annotation was computed. [2018-11-18 08:55:11,342 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 64 87) the Hoare annotation is: (let ((.cse10 (= 0 |old(~pumpRunning~0)|))) (let ((.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (= ~methAndRunningLastTime~0 0)) (.cse8 (= |old(~waterLevel~0)| 1)) (.cse0 (not .cse10)) (.cse7 (not (= ~systemActive~0 0))) (.cse9 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (< |old(~waterLevel~0)| 1) .cse1 .cse2 (and .cse3 .cse4 .cse5)) (or .cse6 .cse0 .cse7 (= ~waterLevel~0 2) .cse2 (not (= |old(~waterLevel~0)| 2))) (or .cse5 .cse0 .cse7) (or .cse6 .cse0 .cse7 .cse3 .cse2) (or .cse0 .cse7 (not .cse8) (= 1 ~waterLevel~0)) (or (or (or .cse1 .cse2) .cse9) .cse3) (or (not (= ~waterLevel~0 1)) .cse8 .cse0 .cse7) (or (or .cse9 .cse1 .cse10) (and .cse4 .cse5))))) [2018-11-18 08:55:11,342 INFO L421 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|))) (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (= ~methAndRunningLastTime~0 0)) (.cse1 (not (= ~systemActive~0 1))) (.cse5 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (< |old(~waterLevel~0)| 2)) (.cse4 (not .cse2))) (and (or (or .cse0 .cse1 .cse2) (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse3)) (or .cse4 (< |old(~waterLevel~0)| 1) .cse1 .cse5 (and .cse6 (= |old(~waterLevel~0)| ~waterLevel~0) .cse3)) (or .cse6 (or (or .cse1 .cse5) .cse0)) (or .cse4 (not (= ~systemActive~0 0)))))) [2018-11-18 08:55:11,343 INFO L421 ceAbstractionStarter]: At program point L75(lines 75 81) the Hoare annotation is: (let ((.cse10 (= 0 |old(~pumpRunning~0)|))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse4 (= ~methAndRunningLastTime~0 0)) (.cse8 (= |old(~waterLevel~0)| 1)) (.cse5 (not .cse10)) (.cse7 (not (= ~systemActive~0 0))) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4) (or (or .cse0 .cse5 .cse1 .cse2 .cse3) .cse6) (or .cse0 .cse5 .cse7 (= ~waterLevel~0 2) .cse3 (not (= |old(~waterLevel~0)| 2))) (or .cse6 .cse5 .cse7) (or .cse0 .cse5 .cse7 .cse4 .cse3) (or .cse5 .cse7 (not .cse8) (= 1 ~waterLevel~0)) (let ((.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse5 (< |old(~waterLevel~0)| 1) (and .cse4 .cse9 .cse6) .cse2 .cse3 (and .cse4 (<= 2 ~waterLevel~0) (= ~pumpRunning~0 1) .cse9))) (or (not (= ~waterLevel~0 1)) .cse8 .cse5 .cse7) (or (or .cse1 .cse2 .cse10) (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (= ~pumpRunning~0 0)))))) [2018-11-18 08:55:11,343 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 64 87) no Hoare annotation was computed. [2018-11-18 08:55:11,343 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 64 87) no Hoare annotation was computed. [2018-11-18 08:55:11,343 INFO L421 ceAbstractionStarter]: At program point L70(line 70) the Hoare annotation is: (let ((.cse4 (= 0 |old(~pumpRunning~0)|))) (let ((.cse2 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not .cse4)) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< |old(~waterLevel~0)| 1) .cse1 .cse2) (or (= ~methAndRunningLastTime~0 0) (or (or .cse1 .cse2) .cse3)) (or .cse0 (not (= ~systemActive~0 0))) (or (or .cse3 .cse1 .cse4) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))))) [2018-11-18 08:55:11,343 INFO L425 ceAbstractionStarter]: For program point L68(lines 67 86) no Hoare annotation was computed. [2018-11-18 08:55:11,343 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 904 915) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (or (< |old(~waterLevel~0)| 2) (not (= ~systemActive~0 1)) (= 0 ~pumpRunning~0))) [2018-11-18 08:55:11,343 INFO L425 ceAbstractionStarter]: For program point L908-1(lines 904 915) no Hoare annotation was computed. [2018-11-18 08:55:11,343 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 904 915) no Hoare annotation was computed. [2018-11-18 08:55:11,343 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 455 461) no Hoare annotation was computed. [2018-11-18 08:55:11,343 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 455 461) the Hoare annotation is: true [2018-11-18 08:55:11,343 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 08:55:11,343 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~methAndRunningLastTime~0 0) (= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-18 08:55:11,344 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 08:55:11,344 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 08:55:11,344 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 96 120) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 08:55:11,344 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 96 120) no Hoare annotation was computed. [2018-11-18 08:55:11,344 INFO L421 ceAbstractionStarter]: At program point L115(line 115) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0))) [2018-11-18 08:55:11,344 INFO L425 ceAbstractionStarter]: For program point L115-1(lines 96 120) no Hoare annotation was computed. [2018-11-18 08:55:11,344 INFO L421 ceAbstractionStarter]: At program point L110(line 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-11-18 08:55:11,344 INFO L421 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1)) (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~methAndRunningLastTime~0 0))) [2018-11-18 08:55:11,344 INFO L425 ceAbstractionStarter]: For program point L104(lines 104 112) no Hoare annotation was computed. [2018-11-18 08:55:11,344 INFO L421 ceAbstractionStarter]: At program point L102(line 102) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 1) (not (= ~systemActive~0 1)) (not (= ~methAndRunningLastTime~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-18 08:55:11,344 INFO L425 ceAbstractionStarter]: For program point L102-1(line 102) no Hoare annotation was computed. [2018-11-18 08:55:11,344 INFO L425 ceAbstractionStarter]: For program point L100(lines 100 117) no Hoare annotation was computed. [2018-11-18 08:55:11,344 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 916 927) no Hoare annotation was computed. [2018-11-18 08:55:11,344 INFO L425 ceAbstractionStarter]: For program point L920-1(lines 916 927) no Hoare annotation was computed. [2018-11-18 08:55:11,345 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 916 927) the Hoare annotation is: (let ((.cse1 (not (= ~methAndRunningLastTime~0 0))) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 0)))) (and (or (= ~waterLevel~0 2) (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 2))) (or (< |old(~waterLevel~0)| 1) .cse3 (or .cse2 .cse4 .cse1)) (or .cse3 (< |old(~waterLevel~0)| 2) (not (= 1 ~pumpRunning~0)) .cse4) (or .cse2 .cse0 (not (= |old(~waterLevel~0)| 1)) (= 1 ~waterLevel~0)))) [2018-11-18 08:55:11,345 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-18 08:55:11,345 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-18 08:55:11,345 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-18 08:55:11,345 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-18 08:55:11,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:55:11 BoogieIcfgContainer [2018-11-18 08:55:11,357 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 08:55:11,357 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 08:55:11,357 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 08:55:11,358 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 08:55:11,358 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:54:42" (3/4) ... [2018-11-18 08:55:11,361 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 08:55:11,365 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 08:55:11,365 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 08:55:11,365 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 08:55:11,365 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 08:55:11,365 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 08:55:11,365 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 08:55:11,365 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 08:55:11,365 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 08:55:11,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 08:55:11,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 08:55:11,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 08:55:11,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 08:55:11,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 08:55:11,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 08:55:11,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-18 08:55:11,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 08:55:11,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-18 08:55:11,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-18 08:55:11,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 08:55:11,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 08:55:11,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 08:55:11,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 08:55:11,366 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 08:55:11,367 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 08:55:11,367 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 08:55:11,367 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 08:55:11,367 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 08:55:11,367 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 08:55:11,367 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 08:55:11,367 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 08:55:11,373 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2018-11-18 08:55:11,373 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 08:55:11,374 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 08:55:11,395 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(systemActive) == 1) || ((systemActive == 0 && 0 == pumpRunning) && splverifierCounter == 0)) || (((2 <= waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(methAndRunningLastTime) == 0)) || ((((methAndRunningLastTime == 0 && 1 <= waterLevel) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 08:55:11,396 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-18 08:55:11,436 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8e435473-e62f-4109-a642-0bd4f01721c3/bin-2019/utaipan/witness.graphml [2018-11-18 08:55:11,436 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 08:55:11,437 INFO L168 Benchmark]: Toolchain (without parser) took 30141.39 ms. Allocated memory was 1.0 GB in the beginning and 3.3 GB in the end (delta: 2.3 GB). Free memory was 956.4 MB in the beginning and 2.4 GB in the end (delta: -1.5 GB). Peak memory consumption was 798.2 MB. Max. memory is 11.5 GB. [2018-11-18 08:55:11,437 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:55:11,438 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -205.0 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. [2018-11-18 08:55:11,438 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 08:55:11,438 INFO L168 Benchmark]: Boogie Preprocessor took 34.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-18 08:55:11,438 INFO L168 Benchmark]: RCFGBuilder took 456.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 68.7 MB). Peak memory consumption was 68.7 MB. Max. memory is 11.5 GB. [2018-11-18 08:55:11,438 INFO L168 Benchmark]: TraceAbstraction took 29147.87 ms. Allocated memory was 1.2 GB in the beginning and 3.3 GB in the end (delta: 2.1 GB). Free memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. [2018-11-18 08:55:11,439 INFO L168 Benchmark]: Witness Printer took 78.93 ms. Allocated memory is still 3.3 GB. Free memory was 2.4 GB in the beginning and 2.4 GB in the end (delta: 85.7 kB). Peak memory consumption was 85.7 kB. Max. memory is 11.5 GB. [2018-11-18 08:55:11,440 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 392.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.1 MB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -205.0 MB). Peak memory consumption was 32.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.45 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 456.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 68.7 MB). Peak memory consumption was 68.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 29147.87 ms. Allocated memory was 1.2 GB in the beginning and 3.3 GB in the end (delta: 2.1 GB). Free memory was 1.1 GB in the beginning and 2.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.9 GB. Max. memory is 11.5 GB. * Witness Printer took 78.93 ms. Allocated memory is still 3.3 GB. Free memory was 2.4 GB in the beginning and 2.4 GB in the end (delta: 85.7 kB). Peak memory consumption was 85.7 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 303]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methAndRunningLastTime) == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 411]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 304]: Loop Invariant Derived loop invariant: ((((((!(\old(systemActive) == 1) || ((systemActive == 0 && 0 == pumpRunning) && splverifierCounter == 0)) || (((2 <= waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(methAndRunningLastTime) == 0)) || ((((methAndRunningLastTime == 0 && 1 <= waterLevel) && pumpRunning == 0) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 166 locations, 1 error locations. SAFE Result, 29.0s OverallTime, 14 OverallIterations, 4 TraceHistogramMax, 14.8s AutomataDifference, 0.0s DeadEndRemovalTime, 4.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3241 SDtfs, 4156 SDslu, 9968 SDs, 0 SdLazy, 6234 SolverSat, 2212 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.2s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1802 GetRequests, 1608 SyntacticMatches, 10 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1556 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2840occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 5.9s AbstIntTime, 5 AbstIntIterations, 2 AbstIntStrong, 0.9964949677877568 AbsIntWeakeningRatio, 0.8970588235294118 AbsIntAvgWeakeningVarsNumRemoved, 96.80147058823529 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 14 MinimizatonAttempts, 1287 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 6005 PreInvPairs, 6215 NumberOfFragments, 2234 HoareAnnotationTreeSize, 6005 FomulaSimplifications, 17010 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 68 FomulaSimplificationsInter, 34733 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 2357 NumberOfCodeBlocks, 2357 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3006 ConstructedInterpolants, 0 QuantifiedInterpolants, 805482 SizeOfPredicates, 16 NumberOfNonLiveVariables, 2929 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 20 InterpolantComputations, 10 PerfectInterpolantSequences, 1083/1233 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...