./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product54_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_254b83ab-680d-4841-bd78-e6b51e8f5907/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_254b83ab-680d-4841-bd78-e6b51e8f5907/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_254b83ab-680d-4841-bd78-e6b51e8f5907/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_254b83ab-680d-4841-bd78-e6b51e8f5907/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product54_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_254b83ab-680d-4841-bd78-e6b51e8f5907/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_254b83ab-680d-4841-bd78-e6b51e8f5907/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 3f1bc34860a9b5a05b4a0969639c999f2a7389fb .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 12:53:38,648 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:53:38,650 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:53:38,659 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:53:38,659 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:53:38,660 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:53:38,661 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:53:38,662 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:53:38,664 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:53:38,665 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:53:38,665 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:53:38,666 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:53:38,666 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:53:38,667 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:53:38,668 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:53:38,669 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:53:38,670 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:53:38,671 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:53:38,673 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:53:38,674 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:53:38,675 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:53:38,676 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:53:38,678 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:53:38,678 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:53:38,679 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:53:38,679 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:53:38,680 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:53:38,681 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:53:38,682 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:53:38,683 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:53:38,683 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:53:38,684 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:53:38,684 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:53:38,684 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:53:38,685 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:53:38,686 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:53:38,686 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_254b83ab-680d-4841-bd78-e6b51e8f5907/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 12:53:38,698 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:53:38,698 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:53:38,699 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:53:38,699 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:53:38,699 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:53:38,700 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:53:38,700 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:53:38,700 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 12:53:38,700 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:53:38,700 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:53:38,701 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 12:53:38,701 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 12:53:38,701 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:53:38,702 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:53:38,702 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:53:38,702 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:53:38,702 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:53:38,702 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:53:38,703 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:53:38,703 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:53:38,703 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:53:38,703 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:53:38,703 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:53:38,703 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:53:38,704 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:53:38,704 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:53:38,704 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:53:38,704 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:53:38,704 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:53:38,705 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:53:38,705 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:53:38,705 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:53:38,705 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:53:38,705 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 12:53:38,706 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:53:38,706 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:53:38,706 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 12:53:38,706 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_254b83ab-680d-4841-bd78-e6b51e8f5907/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 -> 3f1bc34860a9b5a05b4a0969639c999f2a7389fb [2018-11-18 12:53:38,731 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:53:38,747 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:53:38,757 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:53:38,759 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:53:38,759 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:53:38,760 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_254b83ab-680d-4841-bd78-e6b51e8f5907/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product54_true-unreach-call_false-termination.cil.c [2018-11-18 12:53:38,809 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_254b83ab-680d-4841-bd78-e6b51e8f5907/bin-2019/utaipan/data/502dc806b/5ad4d9813af147129b64e36f738a7092/FLAG6d5b222d7 [2018-11-18 12:53:39,237 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:53:39,237 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_254b83ab-680d-4841-bd78-e6b51e8f5907/sv-benchmarks/c/product-lines/minepump_spec5_product54_true-unreach-call_false-termination.cil.c [2018-11-18 12:53:39,248 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_254b83ab-680d-4841-bd78-e6b51e8f5907/bin-2019/utaipan/data/502dc806b/5ad4d9813af147129b64e36f738a7092/FLAG6d5b222d7 [2018-11-18 12:53:39,590 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_254b83ab-680d-4841-bd78-e6b51e8f5907/bin-2019/utaipan/data/502dc806b/5ad4d9813af147129b64e36f738a7092 [2018-11-18 12:53:39,593 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:53:39,594 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:53:39,597 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:53:39,597 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:53:39,600 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:53:39,601 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:53:39" (1/1) ... [2018-11-18 12:53:39,603 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@314f8a41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:53:39, skipping insertion in model container [2018-11-18 12:53:39,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:53:39" (1/1) ... [2018-11-18 12:53:39,613 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:53:39,658 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:53:39,972 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:53:39,998 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:53:40,260 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:53:40,302 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:53:40,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:53:40 WrapperNode [2018-11-18 12:53:40,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:53:40,303 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:53:40,303 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:53:40,303 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:53:40,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:53:40" (1/1) ... [2018-11-18 12:53:40,328 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:53:40" (1/1) ... [2018-11-18 12:53:40,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:53:40,336 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:53:40,336 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:53:40,336 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:53:40,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:53:40" (1/1) ... [2018-11-18 12:53:40,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:53:40" (1/1) ... [2018-11-18 12:53:40,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:53:40" (1/1) ... [2018-11-18 12:53:40,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:53:40" (1/1) ... [2018-11-18 12:53:40,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:53:40" (1/1) ... [2018-11-18 12:53:40,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:53:40" (1/1) ... [2018-11-18 12:53:40,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:53:40" (1/1) ... [2018-11-18 12:53:40,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:53:40,381 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:53:40,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:53:40,382 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:53:40,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:53:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_254b83ab-680d-4841-bd78-e6b51e8f5907/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 12:53:40,453 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 12:53:40,453 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 12:53:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:53:40,454 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:53:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 12:53:40,454 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 12:53:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 12:53:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 12:53:40,454 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 12:53:40,454 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 12:53:40,455 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 12:53:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-18 12:53:40,455 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-18 12:53:40,455 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 12:53:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 12:53:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 12:53:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 12:53:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 12:53:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 12:53:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-18 12:53:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-18 12:53:40,456 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-18 12:53:40,468 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-18 12:53:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 12:53:40,469 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 12:53:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 12:53:40,469 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 12:53:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 12:53:40,469 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 12:53:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 12:53:40,469 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 12:53:40,469 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 12:53:40,469 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 12:53:40,470 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-18 12:53:40,470 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-18 12:53:40,470 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 12:53:40,470 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 12:53:40,470 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 12:53:40,470 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 12:53:40,470 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 12:53:40,470 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 12:53:40,470 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 12:53:40,470 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 12:53:40,471 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 12:53:40,471 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 12:53:40,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-18 12:53:40,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-18 12:53:40,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-18 12:53:40,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-18 12:53:40,471 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-18 12:53:40,471 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-18 12:53:40,471 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 12:53:40,471 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 12:53:40,471 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 12:53:40,472 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 12:53:40,472 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 12:53:40,475 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 12:53:40,475 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 12:53:40,475 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 12:53:40,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:53:40,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:53:40,475 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 12:53:40,475 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 12:53:40,475 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 12:53:40,476 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 12:53:40,476 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:53:40,476 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:53:41,662 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:53:41,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:53:41 BoogieIcfgContainer [2018-11-18 12:53:41,672 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:53:41,672 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:53:41,673 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:53:41,675 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:53:41,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:53:39" (1/3) ... [2018-11-18 12:53:41,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7588c6a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:53:41, skipping insertion in model container [2018-11-18 12:53:41,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:53:40" (2/3) ... [2018-11-18 12:53:41,678 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7588c6a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:53:41, skipping insertion in model container [2018-11-18 12:53:41,678 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:53:41" (3/3) ... [2018-11-18 12:53:41,679 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product54_true-unreach-call_false-termination.cil.c [2018-11-18 12:53:41,688 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:53:41,696 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:53:41,709 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:53:41,745 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:53:41,745 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:53:41,746 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:53:41,746 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:53:41,746 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:53:41,747 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:53:41,747 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:53:41,747 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:53:41,774 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states. [2018-11-18 12:53:41,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 12:53:41,785 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:53:41,786 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] [2018-11-18 12:53:41,789 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:53:41,800 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:41,806 INFO L82 PathProgramCache]: Analyzing trace with hash -1159536658, now seen corresponding path program 1 times [2018-11-18 12:53:41,808 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:53:41,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:41,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:41,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:41,855 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:53:41,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:42,085 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 12:53:42,086 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:53:42,086 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 12:53:42,087 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:53:42,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 12:53:42,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 12:53:42,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 12:53:42,104 INFO L87 Difference]: Start difference. First operand 175 states. Second operand 2 states. [2018-11-18 12:53:42,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:53:42,142 INFO L93 Difference]: Finished difference Result 320 states and 393 transitions. [2018-11-18 12:53:42,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 12:53:42,143 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-18 12:53:42,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:53:42,155 INFO L225 Difference]: With dead ends: 320 [2018-11-18 12:53:42,155 INFO L226 Difference]: Without dead ends: 162 [2018-11-18 12:53:42,159 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 12:53:42,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-11-18 12:53:42,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2018-11-18 12:53:42,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-11-18 12:53:42,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 190 transitions. [2018-11-18 12:53:42,209 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 190 transitions. Word has length 59 [2018-11-18 12:53:42,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:53:42,210 INFO L480 AbstractCegarLoop]: Abstraction has 162 states and 190 transitions. [2018-11-18 12:53:42,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 12:53:42,210 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 190 transitions. [2018-11-18 12:53:42,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 12:53:42,213 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:53:42,213 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] [2018-11-18 12:53:42,214 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:53:42,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:42,214 INFO L82 PathProgramCache]: Analyzing trace with hash -927422809, now seen corresponding path program 1 times [2018-11-18 12:53:42,214 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:53:42,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:42,215 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:42,215 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:42,215 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:53:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:42,361 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 12:53:42,361 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:53:42,361 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:53:42,361 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:53:42,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:53:42,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:53:42,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:53:42,363 INFO L87 Difference]: Start difference. First operand 162 states and 190 transitions. Second operand 3 states. [2018-11-18 12:53:42,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:53:42,397 INFO L93 Difference]: Finished difference Result 263 states and 309 transitions. [2018-11-18 12:53:42,397 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:53:42,397 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-18 12:53:42,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:53:42,399 INFO L225 Difference]: With dead ends: 263 [2018-11-18 12:53:42,399 INFO L226 Difference]: Without dead ends: 152 [2018-11-18 12:53:42,400 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 12:53:42,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-11-18 12:53:42,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-11-18 12:53:42,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-11-18 12:53:42,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 177 transitions. [2018-11-18 12:53:42,415 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 177 transitions. Word has length 61 [2018-11-18 12:53:42,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:53:42,416 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 177 transitions. [2018-11-18 12:53:42,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:53:42,416 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 177 transitions. [2018-11-18 12:53:42,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-18 12:53:42,418 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:53:42,418 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] [2018-11-18 12:53:42,418 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:53:42,419 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:42,419 INFO L82 PathProgramCache]: Analyzing trace with hash -1549056317, now seen corresponding path program 1 times [2018-11-18 12:53:42,419 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:53:42,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:42,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:42,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:42,420 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:53:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:42,680 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 12:53:42,680 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:53:42,680 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 12:53:42,680 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:53:42,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:53:42,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:53:42,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:53:42,682 INFO L87 Difference]: Start difference. First operand 152 states and 177 transitions. Second operand 7 states. [2018-11-18 12:53:43,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:53:43,282 INFO L93 Difference]: Finished difference Result 276 states and 327 transitions. [2018-11-18 12:53:43,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:53:43,283 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-18 12:53:43,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:53:43,285 INFO L225 Difference]: With dead ends: 276 [2018-11-18 12:53:43,285 INFO L226 Difference]: Without dead ends: 152 [2018-11-18 12:53:43,286 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:53:43,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-11-18 12:53:43,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-11-18 12:53:43,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-11-18 12:53:43,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 176 transitions. [2018-11-18 12:53:43,304 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 176 transitions. Word has length 66 [2018-11-18 12:53:43,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:53:43,306 INFO L480 AbstractCegarLoop]: Abstraction has 152 states and 176 transitions. [2018-11-18 12:53:43,306 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:53:43,306 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 176 transitions. [2018-11-18 12:53:43,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-18 12:53:43,309 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:53:43,309 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] [2018-11-18 12:53:43,310 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:53:43,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:43,310 INFO L82 PathProgramCache]: Analyzing trace with hash -1352322067, now seen corresponding path program 1 times [2018-11-18 12:53:43,310 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:53:43,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:43,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:43,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:43,311 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:53:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:43,680 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 12:53:43,680 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:53:43,681 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:53:43,681 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:53:43,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 12:53:43,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:53:43,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:53:43,682 INFO L87 Difference]: Start difference. First operand 152 states and 176 transitions. Second operand 5 states. [2018-11-18 12:53:44,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:53:44,533 INFO L93 Difference]: Finished difference Result 392 states and 473 transitions. [2018-11-18 12:53:44,537 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:53:44,537 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 84 [2018-11-18 12:53:44,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:53:44,539 INFO L225 Difference]: With dead ends: 392 [2018-11-18 12:53:44,539 INFO L226 Difference]: Without dead ends: 268 [2018-11-18 12:53:44,541 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 11 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:53:44,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2018-11-18 12:53:44,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 248. [2018-11-18 12:53:44,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2018-11-18 12:53:44,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 282 transitions. [2018-11-18 12:53:44,565 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 282 transitions. Word has length 84 [2018-11-18 12:53:44,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:53:44,565 INFO L480 AbstractCegarLoop]: Abstraction has 248 states and 282 transitions. [2018-11-18 12:53:44,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 12:53:44,565 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 282 transitions. [2018-11-18 12:53:44,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 12:53:44,567 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:53:44,567 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] [2018-11-18 12:53:44,568 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:53:44,568 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:44,568 INFO L82 PathProgramCache]: Analyzing trace with hash 1668529681, now seen corresponding path program 1 times [2018-11-18 12:53:44,568 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:53:44,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:44,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:44,569 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:44,569 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:53:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:44,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 12:53:44,741 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:53:44,741 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 12:53:44,741 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:53:44,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 12:53:44,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 12:53:44,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:53:44,742 INFO L87 Difference]: Start difference. First operand 248 states and 282 transitions. Second operand 7 states. [2018-11-18 12:53:45,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:53:45,806 INFO L93 Difference]: Finished difference Result 487 states and 570 transitions. [2018-11-18 12:53:45,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-18 12:53:45,807 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 98 [2018-11-18 12:53:45,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:53:45,809 INFO L225 Difference]: With dead ends: 487 [2018-11-18 12:53:45,809 INFO L226 Difference]: Without dead ends: 267 [2018-11-18 12:53:45,810 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-18 12:53:45,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2018-11-18 12:53:45,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 247. [2018-11-18 12:53:45,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-11-18 12:53:45,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 279 transitions. [2018-11-18 12:53:45,832 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 279 transitions. Word has length 98 [2018-11-18 12:53:45,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:53:45,832 INFO L480 AbstractCegarLoop]: Abstraction has 247 states and 279 transitions. [2018-11-18 12:53:45,833 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 12:53:45,833 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 279 transitions. [2018-11-18 12:53:45,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-18 12:53:45,835 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:53:45,835 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] [2018-11-18 12:53:45,835 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:53:45,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:45,835 INFO L82 PathProgramCache]: Analyzing trace with hash 914833543, now seen corresponding path program 1 times [2018-11-18 12:53:45,835 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:53:45,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:45,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:45,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:45,836 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:53:45,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:45,919 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 12:53:45,919 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:53:45,919 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:53:45,919 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:53:45,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:53:45,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:53:45,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:53:45,920 INFO L87 Difference]: Start difference. First operand 247 states and 279 transitions. Second operand 6 states. [2018-11-18 12:53:45,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:53:45,944 INFO L93 Difference]: Finished difference Result 471 states and 541 transitions. [2018-11-18 12:53:45,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:53:45,945 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-11-18 12:53:45,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:53:45,947 INFO L225 Difference]: With dead ends: 471 [2018-11-18 12:53:45,947 INFO L226 Difference]: Without dead ends: 252 [2018-11-18 12:53:45,948 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 12:53:45,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2018-11-18 12:53:45,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 252. [2018-11-18 12:53:45,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 252 states. [2018-11-18 12:53:45,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 284 transitions. [2018-11-18 12:53:45,967 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 284 transitions. Word has length 99 [2018-11-18 12:53:45,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:53:45,967 INFO L480 AbstractCegarLoop]: Abstraction has 252 states and 284 transitions. [2018-11-18 12:53:45,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:53:45,967 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 284 transitions. [2018-11-18 12:53:45,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-18 12:53:45,968 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:53:45,968 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] [2018-11-18 12:53:45,968 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:53:45,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:45,969 INFO L82 PathProgramCache]: Analyzing trace with hash 842446985, now seen corresponding path program 1 times [2018-11-18 12:53:45,969 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:53:45,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:45,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:45,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:45,970 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:53:45,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:46,395 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 12:53:46,395 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:53:46,396 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-18 12:53:46,396 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:53:46,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 12:53:46,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 12:53:46,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:53:46,397 INFO L87 Difference]: Start difference. First operand 252 states and 284 transitions. Second operand 8 states. [2018-11-18 12:53:46,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:53:46,436 INFO L93 Difference]: Finished difference Result 483 states and 559 transitions. [2018-11-18 12:53:46,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 12:53:46,437 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2018-11-18 12:53:46,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:53:46,438 INFO L225 Difference]: With dead ends: 483 [2018-11-18 12:53:46,439 INFO L226 Difference]: Without dead ends: 259 [2018-11-18 12:53:46,439 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:53:46,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-11-18 12:53:46,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 256. [2018-11-18 12:53:46,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2018-11-18 12:53:46,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 288 transitions. [2018-11-18 12:53:46,454 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 288 transitions. Word has length 99 [2018-11-18 12:53:46,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:53:46,454 INFO L480 AbstractCegarLoop]: Abstraction has 256 states and 288 transitions. [2018-11-18 12:53:46,454 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 12:53:46,454 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 288 transitions. [2018-11-18 12:53:46,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-18 12:53:46,455 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:53:46,456 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] [2018-11-18 12:53:46,456 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:53:46,456 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:46,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1172212746, now seen corresponding path program 1 times [2018-11-18 12:53:46,456 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:53:46,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:46,457 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:46,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:46,457 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:53:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:46,588 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 12:53:46,589 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:53:46,589 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 12:53:46,589 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:53:46,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 12:53:46,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 12:53:46,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 12:53:46,590 INFO L87 Difference]: Start difference. First operand 256 states and 288 transitions. Second operand 4 states. [2018-11-18 12:53:47,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:53:47,065 INFO L93 Difference]: Finished difference Result 755 states and 889 transitions. [2018-11-18 12:53:47,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 12:53:47,065 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-11-18 12:53:47,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:53:47,068 INFO L225 Difference]: With dead ends: 755 [2018-11-18 12:53:47,068 INFO L226 Difference]: Without dead ends: 527 [2018-11-18 12:53:47,069 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 3 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 12:53:47,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2018-11-18 12:53:47,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 518. [2018-11-18 12:53:47,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 518 states. [2018-11-18 12:53:47,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 598 transitions. [2018-11-18 12:53:47,102 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 598 transitions. Word has length 99 [2018-11-18 12:53:47,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:53:47,102 INFO L480 AbstractCegarLoop]: Abstraction has 518 states and 598 transitions. [2018-11-18 12:53:47,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 12:53:47,102 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 598 transitions. [2018-11-18 12:53:47,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-18 12:53:47,104 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:53:47,104 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] [2018-11-18 12:53:47,104 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:53:47,104 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:47,104 INFO L82 PathProgramCache]: Analyzing trace with hash -997399580, now seen corresponding path program 1 times [2018-11-18 12:53:47,105 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:53:47,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:47,105 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:47,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:47,105 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:53:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:47,335 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 12:53:47,336 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:53:47,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-18 12:53:47,336 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:53:47,336 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:53:47,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:53:47,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:53:47,337 INFO L87 Difference]: Start difference. First operand 518 states and 598 transitions. Second operand 9 states. [2018-11-18 12:53:48,654 WARN L180 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2018-11-18 12:53:49,269 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 8 [2018-11-18 12:53:50,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:53:50,334 INFO L93 Difference]: Finished difference Result 1357 states and 1635 transitions. [2018-11-18 12:53:50,334 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 12:53:50,334 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 103 [2018-11-18 12:53:50,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:53:50,338 INFO L225 Difference]: With dead ends: 1357 [2018-11-18 12:53:50,338 INFO L226 Difference]: Without dead ends: 945 [2018-11-18 12:53:50,340 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-18 12:53:50,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2018-11-18 12:53:50,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 861. [2018-11-18 12:53:50,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2018-11-18 12:53:50,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 982 transitions. [2018-11-18 12:53:50,462 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 982 transitions. Word has length 103 [2018-11-18 12:53:50,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:53:50,462 INFO L480 AbstractCegarLoop]: Abstraction has 861 states and 982 transitions. [2018-11-18 12:53:50,462 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:53:50,462 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 982 transitions. [2018-11-18 12:53:50,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 12:53:50,464 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:53:50,465 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, 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, 1, 1] [2018-11-18 12:53:50,465 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:53:50,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:50,465 INFO L82 PathProgramCache]: Analyzing trace with hash -913126954, now seen corresponding path program 1 times [2018-11-18 12:53:50,465 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:53:50,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:50,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:50,466 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:53:50,466 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:53:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:50,885 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 12:53:50,885 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:53:50,886 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:53:50,886 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 183 with the following transitions: [2018-11-18 12:53:50,888 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [49], [50], [52], [55], [59], [60], [61], [65], [67], [68], [71], [74], [76], [82], [86], [89], [90], [94], [95], [96], [97], [101], [107], [111], [115], [118], [121], [123], [129], [131], [137], [140], [150], [151], [152], [153], [154], [155], [156], [158], [163], [165], [166], [167], [168], [179], [182], [186], [192], [220], [221], [224], [228], [229], [235], [238], [240], [243], [250], [253], [256], [260], [261], [264], [267], [269], [275], [279], [282], [283], [284], [285], [286], [287], [288], [289], [291], [292], [293], [294], [295], [296], [297], [298], [299], [301], [302], [303], [304], [305], [307], [308], [309], [310], [313], [314], [315], [316], [317], [318], [323], [324], [327], [328], [329], [330], [331], [332], [333], [334], [335], [336], [341], [342], [343], [345], [346], [347], [348], [351], [352], [353], [354], [357], [358], [359], [360] [2018-11-18 12:53:50,918 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:53:50,918 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:53:54,374 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:53:54,376 INFO L272 AbstractInterpreter]: Visited 146 different actions 893 times. Merged at 20 different actions 76 times. Never widened. Performed 29660 root evaluator evaluations with a maximum evaluation depth of 5. Performed 29660 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 12 fixpoints after 3 different actions. Largest state had 135 variables. [2018-11-18 12:53:54,389 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:53:54,390 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:53:54,390 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:53:54,391 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_254b83ab-680d-4841-bd78-e6b51e8f5907/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 12:53:54,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:53:54,402 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:53:54,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:53:54,544 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:53:55,915 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 31 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:53:55,928 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:53:56,555 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 12:53:56,581 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:53:56,581 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7, 7] total 19 [2018-11-18 12:53:56,582 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:53:56,582 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 12:53:56,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 12:53:56,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2018-11-18 12:53:56,583 INFO L87 Difference]: Start difference. First operand 861 states and 982 transitions. Second operand 16 states. [2018-11-18 12:54:01,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:54:01,109 INFO L93 Difference]: Finished difference Result 1934 states and 2283 transitions. [2018-11-18 12:54:01,110 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-18 12:54:01,110 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 182 [2018-11-18 12:54:01,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:54:01,116 INFO L225 Difference]: With dead ends: 1934 [2018-11-18 12:54:01,116 INFO L226 Difference]: Without dead ends: 1177 [2018-11-18 12:54:01,128 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 393 GetRequests, 356 SyntacticMatches, 5 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=188, Invalid=934, Unknown=0, NotChecked=0, Total=1122 [2018-11-18 12:54:01,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2018-11-18 12:54:01,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 1032. [2018-11-18 12:54:01,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1032 states. [2018-11-18 12:54:01,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 1187 transitions. [2018-11-18 12:54:01,265 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 1187 transitions. Word has length 182 [2018-11-18 12:54:01,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:54:01,265 INFO L480 AbstractCegarLoop]: Abstraction has 1032 states and 1187 transitions. [2018-11-18 12:54:01,265 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 12:54:01,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1187 transitions. [2018-11-18 12:54:01,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-11-18 12:54:01,282 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:54:01,283 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:54:01,283 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:54:01,283 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:54:01,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1810343203, now seen corresponding path program 1 times [2018-11-18 12:54:01,283 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:54:01,284 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:54:01,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:54:01,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:54:01,286 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:54:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:54:01,614 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 6 [2018-11-18 12:54:02,819 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 104 proven. 9 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2018-11-18 12:54:02,819 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:54:02,819 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:54:02,820 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 306 with the following transitions: [2018-11-18 12:54:02,820 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [30], [32], [33], [37], [40], [48], [49], [50], [52], [55], [59], [60], [61], [65], [67], [68], [69], [70], [71], [74], [76], [79], [82], [86], [89], [90], [94], [95], [96], [97], [101], [107], [111], [115], [118], [121], [123], [129], [131], [137], [140], [150], [151], [152], [153], [154], [155], [156], [158], [163], [165], [166], [167], [168], [179], [182], [186], [192], [220], [221], [224], [228], [229], [235], [238], [240], [243], [250], [253], [256], [260], [261], [264], [267], [269], [275], [279], [282], [283], [284], [285], [286], [287], [288], [289], [291], [292], [293], [294], [295], [296], [297], [298], [299], [301], [302], [303], [304], [305], [307], [308], [309], [310], [311], [312], [313], [314], [315], [316], [317], [318], [323], [324], [327], [328], [329], [330], [331], [332], [333], [334], [335], [336], [341], [342], [343], [345], [346], [347], [348], [351], [352], [353], [354], [357], [358], [359], [360] [2018-11-18 12:54:02,828 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:54:02,828 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:54:05,638 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:54:05,638 INFO L272 AbstractInterpreter]: Visited 147 different actions 705 times. Merged at 20 different actions 66 times. Never widened. Performed 25525 root evaluator evaluations with a maximum evaluation depth of 5. Performed 25525 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 11 fixpoints after 4 different actions. Largest state had 135 variables. [2018-11-18 12:54:05,788 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:54:05,789 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:54:05,789 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:54:05,789 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_254b83ab-680d-4841-bd78-e6b51e8f5907/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 12:54:05,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:54:05,929 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:54:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:54:06,461 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:54:06,829 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 212 proven. 5 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-11-18 12:54:06,830 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:54:07,987 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 82 proven. 31 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2018-11-18 12:54:08,014 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:54:08,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12, 13] total 26 [2018-11-18 12:54:08,015 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:54:08,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 12:54:08,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 12:54:08,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2018-11-18 12:54:08,017 INFO L87 Difference]: Start difference. First operand 1032 states and 1187 transitions. Second operand 18 states. [2018-11-18 12:54:13,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:54:13,312 INFO L93 Difference]: Finished difference Result 2770 states and 3367 transitions. [2018-11-18 12:54:13,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-18 12:54:13,313 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 305 [2018-11-18 12:54:13,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:54:13,319 INFO L225 Difference]: With dead ends: 2770 [2018-11-18 12:54:13,319 INFO L226 Difference]: Without dead ends: 1501 [2018-11-18 12:54:13,323 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 655 GetRequests, 598 SyntacticMatches, 10 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=499, Invalid=1853, Unknown=0, NotChecked=0, Total=2352 [2018-11-18 12:54:13,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1501 states. [2018-11-18 12:54:13,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1501 to 1379. [2018-11-18 12:54:13,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1379 states. [2018-11-18 12:54:13,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 1379 states and 1571 transitions. [2018-11-18 12:54:13,401 INFO L78 Accepts]: Start accepts. Automaton has 1379 states and 1571 transitions. Word has length 305 [2018-11-18 12:54:13,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:54:13,402 INFO L480 AbstractCegarLoop]: Abstraction has 1379 states and 1571 transitions. [2018-11-18 12:54:13,402 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 12:54:13,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 1571 transitions. [2018-11-18 12:54:13,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 397 [2018-11-18 12:54:13,411 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:54:13,411 INFO L375 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:54:13,411 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:54:13,411 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:54:13,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1854669040, now seen corresponding path program 1 times [2018-11-18 12:54:13,412 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:54:13,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:54:13,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:54:13,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:54:13,414 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:54:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:54:13,739 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 119 proven. 16 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2018-11-18 12:54:13,739 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:54:13,739 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:54:13,739 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 397 with the following transitions: [2018-11-18 12:54:13,740 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [4], [6], [7], [8], [10], [13], [15], [18], [21], [27], [30], [32], [33], [37], [40], [48], [49], [50], [52], [57], [59], [60], [61], [65], [67], [68], [69], [70], [71], [74], [76], [79], [82], [86], [89], [90], [93], [94], [95], [96], [97], [101], [107], [111], [115], [118], [121], [123], [129], [131], [137], [140], [150], [151], [152], [153], [154], [155], [156], [158], [161], [163], [165], [166], [167], [168], [179], [182], [186], [192], [220], [221], [224], [228], [229], [235], [238], [240], [243], [246], [250], [253], [256], [260], [261], [264], [267], [269], [275], [279], [282], [283], [284], [285], [286], [287], [288], [289], [291], [292], [293], [294], [295], [296], [297], [298], [299], [301], [302], [303], [304], [305], [307], [308], [309], [310], [311], [312], [313], [314], [315], [316], [317], [318], [323], [324], [327], [328], [329], [330], [331], [332], [333], [334], [335], [336], [341], [342], [343], [345], [346], [347], [348], [349], [350], [351], [352], [353], [354], [357], [358], [359], [360] [2018-11-18 12:54:13,746 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:54:13,747 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:54:16,579 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:54:16,579 INFO L272 AbstractInterpreter]: Visited 148 different actions 1365 times. Merged at 38 different actions 315 times. Widened at 1 different actions 2 times. Performed 44681 root evaluator evaluations with a maximum evaluation depth of 5. Performed 44681 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 57 fixpoints after 7 different actions. Largest state had 135 variables. [2018-11-18 12:54:16,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:54:16,582 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:54:16,582 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:54:16,582 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_254b83ab-680d-4841-bd78-e6b51e8f5907/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 12:54:16,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:54:16,595 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:54:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:54:16,744 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:54:16,893 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-11-18 12:54:16,894 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:54:17,354 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 119 proven. 16 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2018-11-18 12:54:17,370 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-18 12:54:17,371 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 6] total 13 [2018-11-18 12:54:17,371 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:54:17,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:54:17,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:54:17,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-18 12:54:17,372 INFO L87 Difference]: Start difference. First operand 1379 states and 1571 transitions. Second operand 6 states. [2018-11-18 12:54:17,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:54:17,421 INFO L93 Difference]: Finished difference Result 1678 states and 1902 transitions. [2018-11-18 12:54:17,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:54:17,425 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 396 [2018-11-18 12:54:17,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:54:17,425 INFO L225 Difference]: With dead ends: 1678 [2018-11-18 12:54:17,426 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:54:17,428 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 803 GetRequests, 787 SyntacticMatches, 4 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2018-11-18 12:54:17,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:54:17,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:54:17,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:54:17,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:54:17,431 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 396 [2018-11-18 12:54:17,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:54:17,431 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:54:17,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:54:17,431 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:54:17,431 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:54:17,437 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:54:18,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:18,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:18,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:18,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:18,338 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:18,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:18,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:18,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:18,402 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:18,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:18,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:18,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:18,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:18,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:18,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:18,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:18,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:18,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:18,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:18,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:18,494 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:18,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:18,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:18,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:18,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:18,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:18,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:54:18,799 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 27 [2018-11-18 12:54:18,939 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 27 [2018-11-18 12:54:19,204 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 27 [2018-11-18 12:54:19,468 WARN L180 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 27 [2018-11-18 12:54:19,762 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 26 [2018-11-18 12:54:19,904 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 25 [2018-11-18 12:54:20,176 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2018-11-18 12:54:20,306 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 26 [2018-11-18 12:54:20,529 WARN L180 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 40 [2018-11-18 12:54:20,728 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 1 [2018-11-18 12:54:21,321 WARN L180 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 1 [2018-11-18 12:54:21,536 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 28 [2018-11-18 12:54:21,871 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 24 [2018-11-18 12:54:22,378 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 32 [2018-11-18 12:54:22,826 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 636 642) the Hoare annotation is: true [2018-11-18 12:54:22,826 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 636 642) no Hoare annotation was computed. [2018-11-18 12:54:22,827 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 643 651) no Hoare annotation was computed. [2018-11-18 12:54:22,827 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 643 651) the Hoare annotation is: true [2018-11-18 12:54:22,827 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 643 651) no Hoare annotation was computed. [2018-11-18 12:54:22,827 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-11-18 12:54:22,827 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2018-11-18 12:54:22,827 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2018-11-18 12:54:22,827 INFO L421 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~waterLevel~0 1)))) (and (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse2) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) .cse2))) [2018-11-18 12:54:22,827 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2018-11-18 12:54:22,827 INFO L425 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-11-18 12:54:22,827 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2018-11-18 12:54:22,827 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2018-11-18 12:54:22,828 INFO L421 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1))) [2018-11-18 12:54:22,828 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2018-11-18 12:54:22,828 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-11-18 12:54:22,828 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2018-11-18 12:54:22,828 INFO L421 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: (let ((.cse3 (<= __utac_acc__Specification5_spec__3_~tmp~0 ~waterLevel~0)) (.cse4 (not (= ~waterLevel~0 1))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse3 .cse0 .cse4) (or .cse3 .cse2 .cse0 .cse5 .cse4) (or .cse2 .cse0 .cse5 .cse1))) [2018-11-18 12:54:22,828 INFO L425 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2018-11-18 12:54:22,828 INFO L425 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2018-11-18 12:54:22,828 INFO L425 ceAbstractionStarter]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2018-11-18 12:54:22,828 INFO L428 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: true [2018-11-18 12:54:22,828 INFO L425 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2018-11-18 12:54:22,828 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 290 312) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:54:22,829 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 290 312) no Hoare annotation was computed. [2018-11-18 12:54:22,829 INFO L421 ceAbstractionStarter]: At program point L302(line 302) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~1 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:54:22,829 INFO L421 ceAbstractionStarter]: At program point L302-1(line 302) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= main_~tmp~1 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:54:22,829 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 290 312) no Hoare annotation was computed. [2018-11-18 12:54:22,829 INFO L425 ceAbstractionStarter]: For program point L300(lines 300 307) no Hoare annotation was computed. [2018-11-18 12:54:22,829 INFO L425 ceAbstractionStarter]: For program point L300-1(lines 300 307) no Hoare annotation was computed. [2018-11-18 12:54:22,829 INFO L425 ceAbstractionStarter]: For program point L298(line 298) no Hoare annotation was computed. [2018-11-18 12:54:22,829 INFO L421 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:54:22,829 INFO L421 ceAbstractionStarter]: At program point L296(line 296) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:54:22,829 INFO L421 ceAbstractionStarter]: At program point L296-1(line 296) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:54:22,829 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 459 467) no Hoare annotation was computed. [2018-11-18 12:54:22,830 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 459 467) the Hoare annotation is: true [2018-11-18 12:54:22,830 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 459 467) no Hoare annotation was computed. [2018-11-18 12:54:22,830 INFO L425 ceAbstractionStarter]: For program point L530-1(line 530) no Hoare annotation was computed. [2018-11-18 12:54:22,830 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 523 541) the Hoare annotation is: true [2018-11-18 12:54:22,830 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 523 541) no Hoare annotation was computed. [2018-11-18 12:54:22,830 INFO L425 ceAbstractionStarter]: For program point L532(lines 532 536) no Hoare annotation was computed. [2018-11-18 12:54:22,830 INFO L428 ceAbstractionStarter]: At program point L530(line 530) the Hoare annotation is: true [2018-11-18 12:54:22,830 INFO L425 ceAbstractionStarter]: For program point L532-2(lines 532 536) no Hoare annotation was computed. [2018-11-18 12:54:22,830 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 523 541) no Hoare annotation was computed. [2018-11-18 12:54:22,830 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 629 635) no Hoare annotation was computed. [2018-11-18 12:54:22,830 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 629 635) the Hoare annotation is: true [2018-11-18 12:54:22,830 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 276 286) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:54:22,831 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 276 286) no Hoare annotation was computed. [2018-11-18 12:54:22,831 INFO L421 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:54:22,831 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 276 286) no Hoare annotation was computed. [2018-11-18 12:54:22,831 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 448 458) the Hoare annotation is: true [2018-11-18 12:54:22,831 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 448 458) no Hoare annotation was computed. [2018-11-18 12:54:22,831 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 448 458) no Hoare annotation was computed. [2018-11-18 12:54:22,831 INFO L428 ceAbstractionStarter]: At program point L453(line 453) the Hoare annotation is: true [2018-11-18 12:54:22,831 INFO L425 ceAbstractionStarter]: For program point L453-1(line 453) no Hoare annotation was computed. [2018-11-18 12:54:22,831 INFO L421 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 440 447) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) [2018-11-18 12:54:22,831 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 440 447) no Hoare annotation was computed. [2018-11-18 12:54:22,831 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 440 447) no Hoare annotation was computed. [2018-11-18 12:54:22,831 INFO L421 ceAbstractionStarter]: At program point L417(line 417) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-18 12:54:22,832 INFO L425 ceAbstractionStarter]: For program point L415(lines 415 423) no Hoare annotation was computed. [2018-11-18 12:54:22,832 INFO L421 ceAbstractionStarter]: At program point L413(line 413) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-18 12:54:22,832 INFO L425 ceAbstractionStarter]: For program point L413-1(line 413) no Hoare annotation was computed. [2018-11-18 12:54:22,832 INFO L425 ceAbstractionStarter]: For program point L411(lines 411 428) no Hoare annotation was computed. [2018-11-18 12:54:22,832 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 407 431) no Hoare annotation was computed. [2018-11-18 12:54:22,832 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 407 431) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-11-18 12:54:22,832 INFO L421 ceAbstractionStarter]: At program point L426(line 426) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-11-18 12:54:22,832 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 407 431) no Hoare annotation was computed. [2018-11-18 12:54:22,832 INFO L421 ceAbstractionStarter]: At program point L421(line 421) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-18 12:54:22,832 INFO L425 ceAbstractionStarter]: For program point L182(lines 182 188) no Hoare annotation was computed. [2018-11-18 12:54:22,833 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 178 191) no Hoare annotation was computed. [2018-11-18 12:54:22,833 INFO L428 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 178 191) the Hoare annotation is: true [2018-11-18 12:54:22,833 INFO L425 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 178 191) no Hoare annotation was computed. [2018-11-18 12:54:22,833 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 347 353) no Hoare annotation was computed. [2018-11-18 12:54:22,833 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 347 353) the Hoare annotation is: true [2018-11-18 12:54:22,833 INFO L421 ceAbstractionStarter]: At program point L609(lines 560 610) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:54:22,833 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 551 616) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 12:54:22,833 INFO L425 ceAbstractionStarter]: For program point L599(lines 599 603) no Hoare annotation was computed. [2018-11-18 12:54:22,833 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 551 616) no Hoare annotation was computed. [2018-11-18 12:54:22,833 INFO L421 ceAbstractionStarter]: At program point L599-2(lines 591 604) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse3 .cse1 .cse2))) [2018-11-18 12:54:22,833 INFO L425 ceAbstractionStarter]: For program point L562(lines 561 608) no Hoare annotation was computed. [2018-11-18 12:54:22,834 INFO L421 ceAbstractionStarter]: At program point L593(line 593) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse3 .cse1 .cse2))) [2018-11-18 12:54:22,834 INFO L425 ceAbstractionStarter]: For program point L591(lines 591 604) no Hoare annotation was computed. [2018-11-18 12:54:22,834 INFO L421 ceAbstractionStarter]: At program point L583(line 583) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse3 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse3 .cse1 .cse2))) [2018-11-18 12:54:22,834 INFO L425 ceAbstractionStarter]: For program point L581(lines 581 587) no Hoare annotation was computed. [2018-11-18 12:54:22,834 INFO L425 ceAbstractionStarter]: For program point L581-1(lines 581 587) no Hoare annotation was computed. [2018-11-18 12:54:22,834 INFO L421 ceAbstractionStarter]: At program point L606(lines 561 608) the Hoare annotation is: (let ((.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse3 .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 12:54:22,834 INFO L421 ceAbstractionStarter]: At program point L573(line 573) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (and .cse3 .cse0 .cse1 .cse2 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse3 (= 1 ~waterLevel~0) .cse1 .cse2))) [2018-11-18 12:54:22,834 INFO L425 ceAbstractionStarter]: For program point L571(lines 571 577) no Hoare annotation was computed. [2018-11-18 12:54:22,834 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 577) no Hoare annotation was computed. [2018-11-18 12:54:22,834 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 567) no Hoare annotation was computed. [2018-11-18 12:54:22,834 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 561 608) no Hoare annotation was computed. [2018-11-18 12:54:22,834 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 551 616) no Hoare annotation was computed. [2018-11-18 12:54:22,835 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 192 200) no Hoare annotation was computed. [2018-11-18 12:54:22,835 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 192 200) the Hoare annotation is: true [2018-11-18 12:54:22,835 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 192 200) no Hoare annotation was computed. [2018-11-18 12:54:22,835 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:54:22,835 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 12:54:22,835 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:54:22,835 INFO L425 ceAbstractionStarter]: For program point activatePumpFINAL(lines 432 439) no Hoare annotation was computed. [2018-11-18 12:54:22,835 INFO L425 ceAbstractionStarter]: For program point activatePumpEXIT(lines 432 439) no Hoare annotation was computed. [2018-11-18 12:54:22,835 INFO L421 ceAbstractionStarter]: At program point activatePumpENTRY(lines 432 439) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-11-18 12:54:22,835 INFO L425 ceAbstractionStarter]: For program point L513(lines 513 517) no Hoare annotation was computed. [2018-11-18 12:54:22,835 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 504 522) no Hoare annotation was computed. [2018-11-18 12:54:22,835 INFO L428 ceAbstractionStarter]: At program point L511(line 511) the Hoare annotation is: true [2018-11-18 12:54:22,835 INFO L425 ceAbstractionStarter]: For program point L513-2(lines 513 517) no Hoare annotation was computed. [2018-11-18 12:54:22,835 INFO L425 ceAbstractionStarter]: For program point L511-1(line 511) no Hoare annotation was computed. [2018-11-18 12:54:22,836 INFO L428 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 504 522) the Hoare annotation is: true [2018-11-18 12:54:22,836 INFO L425 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 504 522) no Hoare annotation was computed. [2018-11-18 12:54:22,836 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 169 177) the Hoare annotation is: true [2018-11-18 12:54:22,836 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 169 177) no Hoare annotation was computed. [2018-11-18 12:54:22,836 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 169 177) no Hoare annotation was computed. [2018-11-18 12:54:22,836 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 125 136) no Hoare annotation was computed. [2018-11-18 12:54:22,836 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 125 136) the Hoare annotation is: true [2018-11-18 12:54:22,836 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 125 136) no Hoare annotation was computed. [2018-11-18 12:54:22,836 INFO L421 ceAbstractionStarter]: At program point L336(line 336) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse4 .cse5)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse3 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= 1 ~waterLevel~0) .cse4 .cse5) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))))))) [2018-11-18 12:54:22,836 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 320 346) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse3)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1)))) (and (or (or .cse0 .cse1 .cse2) (and (= 2 ~waterLevel~0) .cse3)) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 (<= 1 ~switchedOnBeforeTS~0) .cse1 .cse4) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) .cse5) (or .cse0 .cse1 .cse5 .cse4) (or .cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse4)))) [2018-11-18 12:54:22,837 INFO L421 ceAbstractionStarter]: At program point L334(lines 334 340) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse1 (and .cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (<= 1 ~switchedOnBeforeTS~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (or (or .cse2 .cse3) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse2 .cse3) .cse1 (and (= ~pumpRunning~0 1) .cse4))))) [2018-11-18 12:54:22,837 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 320 346) no Hoare annotation was computed. [2018-11-18 12:54:22,837 INFO L421 ceAbstractionStarter]: At program point L329(line 329) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|))) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-11-18 12:54:22,837 INFO L425 ceAbstractionStarter]: For program point L327(lines 323 345) no Hoare annotation was computed. [2018-11-18 12:54:22,837 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 320 346) no Hoare annotation was computed. [2018-11-18 12:54:22,837 INFO L425 ceAbstractionStarter]: For program point L325(lines 323 345) no Hoare annotation was computed. [2018-11-18 12:54:22,837 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 213 242) no Hoare annotation was computed. [2018-11-18 12:54:22,837 INFO L425 ceAbstractionStarter]: For program point L223-1(lines 223 237) no Hoare annotation was computed. [2018-11-18 12:54:22,837 INFO L428 ceAbstractionStarter]: At program point L223-3(lines 223 237) the Hoare annotation is: true [2018-11-18 12:54:22,837 INFO L428 ceAbstractionStarter]: At program point L219(line 219) the Hoare annotation is: true [2018-11-18 12:54:22,837 INFO L425 ceAbstractionStarter]: For program point L219-1(line 219) no Hoare annotation was computed. [2018-11-18 12:54:22,838 INFO L428 ceAbstractionStarter]: At program point L238(lines 213 242) the Hoare annotation is: true [2018-11-18 12:54:22,838 INFO L425 ceAbstractionStarter]: For program point L234(line 234) no Hoare annotation was computed. [2018-11-18 12:54:22,838 INFO L425 ceAbstractionStarter]: For program point L224(line 224) no Hoare annotation was computed. [2018-11-18 12:54:22,838 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 213 242) the Hoare annotation is: true [2018-11-18 12:54:22,838 INFO L425 ceAbstractionStarter]: For program point L227(lines 227 231) no Hoare annotation was computed. [2018-11-18 12:54:22,838 INFO L428 ceAbstractionStarter]: At program point L227-1(lines 227 231) the Hoare annotation is: true [2018-11-18 12:54:22,838 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 137 145) the Hoare annotation is: true [2018-11-18 12:54:22,838 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 137 145) no Hoare annotation was computed. [2018-11-18 12:54:22,838 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 137 145) no Hoare annotation was computed. [2018-11-18 12:54:22,838 INFO L421 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 101 112) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-18 12:54:22,838 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 101 112) no Hoare annotation was computed. [2018-11-18 12:54:22,838 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 101 112) no Hoare annotation was computed. [2018-11-18 12:54:22,839 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 268 274) no Hoare annotation was computed. [2018-11-18 12:54:22,839 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 268 274) the Hoare annotation is: true [2018-11-18 12:54:22,839 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:54:22,839 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-18 12:54:22,839 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:54:22,839 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:54:22,839 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 542 549) no Hoare annotation was computed. [2018-11-18 12:54:22,839 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 542 549) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= |old(~systemActive~0)| 1))) (.cse2 (not (= ~waterLevel~0 2))) (.cse3 (= ~systemActive~0 1))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse1 .cse3 (not (= ~waterLevel~0 1))) (or (or (or .cse1 .cse2) (not (= 1 ~pumpRunning~0))) .cse3))) [2018-11-18 12:54:22,839 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 542 549) no Hoare annotation was computed. [2018-11-18 12:54:22,839 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 355 379) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-11-18 12:54:22,839 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 355 379) no Hoare annotation was computed. [2018-11-18 12:54:22,840 INFO L421 ceAbstractionStarter]: At program point L374(line 374) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 12:54:22,840 INFO L425 ceAbstractionStarter]: For program point L374-1(lines 355 379) no Hoare annotation was computed. [2018-11-18 12:54:22,840 INFO L421 ceAbstractionStarter]: At program point L369(line 369) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 (or .cse2 .cse3 (not (= ~waterLevel~0 2))))) (or .cse2 .cse0 .cse3 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 12:54:22,840 INFO L421 ceAbstractionStarter]: At program point L365(line 365) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))))))) [2018-11-18 12:54:22,840 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 371) no Hoare annotation was computed. [2018-11-18 12:54:22,840 INFO L421 ceAbstractionStarter]: At program point L361(line 361) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-11-18 12:54:22,840 INFO L425 ceAbstractionStarter]: For program point L361-1(line 361) no Hoare annotation was computed. [2018-11-18 12:54:22,840 INFO L425 ceAbstractionStarter]: For program point L359(lines 359 376) no Hoare annotation was computed. [2018-11-18 12:54:22,840 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 113 124) no Hoare annotation was computed. [2018-11-18 12:54:22,840 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 113 124) no Hoare annotation was computed. [2018-11-18 12:54:22,841 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 113 124) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= 1 ~pumpRunning~0)) .cse2) (or (or .cse3 .cse1) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) .cse2 .cse0) (or (= 1 ~waterLevel~0) (or .cse3 .cse1 (not (= |old(~waterLevel~0)| 1)))))) [2018-11-18 12:54:22,841 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 206) no Hoare annotation was computed. [2018-11-18 12:54:22,841 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 202 209) no Hoare annotation was computed. [2018-11-18 12:54:22,841 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 202 209) the Hoare annotation is: true [2018-11-18 12:54:22,841 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 202 209) no Hoare annotation was computed. [2018-11-18 12:54:22,841 INFO L425 ceAbstractionStarter]: For program point L385(lines 385 402) no Hoare annotation was computed. [2018-11-18 12:54:22,841 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 381 405) no Hoare annotation was computed. [2018-11-18 12:54:22,841 INFO L421 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 381 405) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-11-18 12:54:22,841 INFO L421 ceAbstractionStarter]: At program point L400(line 400) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-11-18 12:54:22,842 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 381 405) no Hoare annotation was computed. [2018-11-18 12:54:22,842 INFO L421 ceAbstractionStarter]: At program point L395(line 395) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-18 12:54:22,842 INFO L421 ceAbstractionStarter]: At program point L391(line 391) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (and (<= 1 processEnvironment__wrappee__lowWaterSensor_~tmp~3) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-11-18 12:54:22,842 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 397) no Hoare annotation was computed. [2018-11-18 12:54:22,842 INFO L421 ceAbstractionStarter]: At program point L387(line 387) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-11-18 12:54:22,842 INFO L425 ceAbstractionStarter]: For program point L387-1(line 387) no Hoare annotation was computed. [2018-11-18 12:54:22,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:54:22 BoogieIcfgContainer [2018-11-18 12:54:22,853 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:54:22,853 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:54:22,853 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:54:22,853 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:54:22,854 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:53:41" (3/4) ... [2018-11-18 12:54:22,863 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:54:22,871 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 12:54:22,871 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 12:54:22,871 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-18 12:54:22,871 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-18 12:54:22,871 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-18 12:54:22,871 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:54:22,871 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 12:54:22,871 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 12:54:22,872 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 12:54:22,872 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 12:54:22,872 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 12:54:22,872 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 12:54:22,872 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 12:54:22,872 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-18 12:54:22,872 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 12:54:22,872 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 12:54:22,872 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 12:54:22,872 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:54:22,872 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-18 12:54:22,872 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-18 12:54:22,872 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 12:54:22,872 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 12:54:22,873 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 12:54:22,873 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 12:54:22,873 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 12:54:22,873 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 12:54:22,873 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 12:54:22,873 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-18 12:54:22,873 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-18 12:54:22,873 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 12:54:22,874 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 12:54:22,874 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2018-11-18 12:54:22,883 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 42 nodes and edges [2018-11-18 12:54:22,883 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 12:54:22,883 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 12:54:22,916 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-11-18 12:54:22,916 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 12:54:22,965 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_254b83ab-680d-4841-bd78-e6b51e8f5907/bin-2019/utaipan/witness.graphml [2018-11-18 12:54:22,965 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:54:22,966 INFO L168 Benchmark]: Toolchain (without parser) took 43372.98 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 957.0 MB in the beginning and 957.9 MB in the end (delta: -932.0 kB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-18 12:54:22,967 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:54:22,967 INFO L168 Benchmark]: CACSL2BoogieTranslator took 705.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 957.0 MB in the beginning and 1.2 GB in the end (delta: -193.4 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:54:22,967 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.12 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: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:54:22,967 INFO L168 Benchmark]: Boogie Preprocessor took 45.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:54:22,967 INFO L168 Benchmark]: RCFGBuilder took 1290.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 62.6 MB). Peak memory consumption was 62.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:54:22,968 INFO L168 Benchmark]: TraceAbstraction took 41180.18 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 901.8 MB). Free memory was 1.1 GB in the beginning and 957.9 MB in the end (delta: 122.6 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-11-18 12:54:22,968 INFO L168 Benchmark]: Witness Printer took 112.56 ms. Allocated memory is still 2.1 GB. Free memory is still 957.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:54:22,969 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 705.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.2 MB). Free memory was 957.0 MB in the beginning and 1.2 GB in the end (delta: -193.4 MB). Peak memory consumption was 33.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.12 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: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.13 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1290.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 62.6 MB). Peak memory consumption was 62.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 41180.18 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 901.8 MB). Free memory was 1.1 GB in the beginning and 957.9 MB in the end (delta: 122.6 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. * Witness Printer took 112.56 ms. Allocated memory is still 2.1 GB. Free memory is still 957.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 206]: 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: 561]: Loop Invariant Derived loop invariant: (((((((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || (((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 223]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 560]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 213]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 33 procedures, 175 locations, 1 error locations. SAFE Result, 41.1s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 16.0s AutomataDifference, 0.0s DeadEndRemovalTime, 5.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2649 SDtfs, 2672 SDslu, 7556 SDs, 0 SdLazy, 6038 SolverSat, 1456 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 12.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1962 GetRequests, 1792 SyntacticMatches, 23 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 762 ImplicationChecksByTransitivity, 6.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1379occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 9.3s AbstIntTime, 3 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 403 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 2196 PreInvPairs, 2278 NumberOfFragments, 2061 HoareAnnotationTreeSize, 2196 FomulaSimplifications, 12349 FormulaSimplificationTreeSizeReduction, 1.1s HoareSimplificationTime, 71 FomulaSimplificationsInter, 15654 FormulaSimplificationTreeSizeReductionInter, 4.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 7.7s InterpolantComputationTime, 2534 NumberOfCodeBlocks, 2534 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3399 ConstructedInterpolants, 0 QuantifiedInterpolants, 1201670 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3476 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 18 InterpolantComputations, 10 PerfectInterpolantSequences, 2687/2799 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...