./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product50_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e4555eeb-c326-4d3c-bcea-6decbcefb8ab/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e4555eeb-c326-4d3c-bcea-6decbcefb8ab/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e4555eeb-c326-4d3c-bcea-6decbcefb8ab/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e4555eeb-c326-4d3c-bcea-6decbcefb8ab/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product50_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e4555eeb-c326-4d3c-bcea-6decbcefb8ab/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e4555eeb-c326-4d3c-bcea-6decbcefb8ab/bin-2019/uautomizer --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c6fd2ec47fce99d621bc8e726cd390df6cdcdca1 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:19:39,541 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:19:39,542 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:19:39,548 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:19:39,548 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:19:39,548 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:19:39,549 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:19:39,550 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:19:39,551 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:19:39,551 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:19:39,552 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:19:39,552 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:19:39,553 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:19:39,553 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:19:39,554 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:19:39,555 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:19:39,555 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:19:39,556 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:19:39,557 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:19:39,558 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:19:39,559 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:19:39,560 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:19:39,562 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:19:39,562 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:19:39,562 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:19:39,562 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:19:39,563 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:19:39,564 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:19:39,564 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:19:39,565 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:19:39,565 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:19:39,566 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:19:39,566 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:19:39,566 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:19:39,567 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:19:39,567 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:19:39,567 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e4555eeb-c326-4d3c-bcea-6decbcefb8ab/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 06:19:39,577 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:19:39,577 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:19:39,578 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:19:39,578 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:19:39,578 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 06:19:39,578 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 06:19:39,578 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 06:19:39,579 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:19:39,579 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:19:39,579 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:19:39,579 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:19:39,579 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:19:39,579 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:19:39,579 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:19:39,579 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:19:39,580 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:19:39,580 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:19:39,580 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:19:39,580 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:19:39,580 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:19:39,580 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:19:39,580 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:19:39,580 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:19:39,580 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:19:39,581 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:19:39,581 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:19:39,581 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:19:39,581 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 06:19:39,581 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:19:39,581 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:19:39,581 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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_e4555eeb-c326-4d3c-bcea-6decbcefb8ab/bin-2019/uautomizer 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 -> Automizer 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 -> c6fd2ec47fce99d621bc8e726cd390df6cdcdca1 [2018-11-23 06:19:39,605 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:19:39,613 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:19:39,615 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:19:39,616 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:19:39,616 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:19:39,617 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e4555eeb-c326-4d3c-bcea-6decbcefb8ab/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product50_true-unreach-call_false-termination.cil.c [2018-11-23 06:19:39,651 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e4555eeb-c326-4d3c-bcea-6decbcefb8ab/bin-2019/uautomizer/data/a8da9cae6/90b02942e39b43e3bec8ac49420bfa9e/FLAGa8c761024 [2018-11-23 06:19:40,085 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:19:40,085 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e4555eeb-c326-4d3c-bcea-6decbcefb8ab/sv-benchmarks/c/product-lines/minepump_spec5_product50_true-unreach-call_false-termination.cil.c [2018-11-23 06:19:40,093 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e4555eeb-c326-4d3c-bcea-6decbcefb8ab/bin-2019/uautomizer/data/a8da9cae6/90b02942e39b43e3bec8ac49420bfa9e/FLAGa8c761024 [2018-11-23 06:19:40,105 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e4555eeb-c326-4d3c-bcea-6decbcefb8ab/bin-2019/uautomizer/data/a8da9cae6/90b02942e39b43e3bec8ac49420bfa9e [2018-11-23 06:19:40,107 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:19:40,108 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:19:40,109 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:19:40,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:19:40,112 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:19:40,113 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:19:40" (1/1) ... [2018-11-23 06:19:40,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b4f4658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:19:40, skipping insertion in model container [2018-11-23 06:19:40,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:19:40" (1/1) ... [2018-11-23 06:19:40,124 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:19:40,157 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:19:40,352 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:19:40,411 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:19:40,470 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:19:40,491 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:19:40,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:19:40 WrapperNode [2018-11-23 06:19:40,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:19:40,492 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:19:40,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:19:40,493 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:19:40,500 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:19:40" (1/1) ... [2018-11-23 06:19:40,512 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:19:40" (1/1) ... [2018-11-23 06:19:40,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:19:40,518 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:19:40,518 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:19:40,519 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:19:40,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:19:40" (1/1) ... [2018-11-23 06:19:40,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:19:40" (1/1) ... [2018-11-23 06:19:40,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:19:40" (1/1) ... [2018-11-23 06:19:40,529 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:19:40" (1/1) ... [2018-11-23 06:19:40,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:19:40" (1/1) ... [2018-11-23 06:19:40,543 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:19:40" (1/1) ... [2018-11-23 06:19:40,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:19:40" (1/1) ... [2018-11-23 06:19:40,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:19:40,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:19:40,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:19:40,549 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:19:40,550 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:19:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e4555eeb-c326-4d3c-bcea-6decbcefb8ab/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:19:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 06:19:40,589 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 06:19:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 06:19:40,589 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 06:19:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 06:19:40,589 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 06:19:40,589 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 06:19:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 06:19:40,590 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 06:19:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 06:19:40,590 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 06:19:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 06:19:40,590 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 06:19:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 06:19:40,590 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 06:19:40,590 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 06:19:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 06:19:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 06:19:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 06:19:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 06:19:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 06:19:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 06:19:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 06:19:40,591 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 06:19:40,591 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 06:19:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 06:19:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 06:19:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 06:19:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 06:19:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 06:19:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 06:19:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 06:19:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 06:19:40,592 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 06:19:40,592 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 06:19:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 06:19:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 06:19:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 06:19:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 06:19:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 06:19:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 06:19:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-23 06:19:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-23 06:19:40,593 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-23 06:19:40,593 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-23 06:19:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-23 06:19:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-23 06:19:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 06:19:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 06:19:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 06:19:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 06:19:40,594 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 06:19:40,594 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 06:19:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 06:19:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 06:19:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 06:19:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 06:19:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 06:19:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 06:19:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 06:19:40,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:19:40,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:19:40,980 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:19:40,982 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 06:19:40,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:19:40 BoogieIcfgContainer [2018-11-23 06:19:40,982 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:19:40,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 06:19:40,983 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 06:19:40,986 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 06:19:40,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:19:40" (1/3) ... [2018-11-23 06:19:40,986 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cd482e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:19:40, skipping insertion in model container [2018-11-23 06:19:40,986 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:19:40" (2/3) ... [2018-11-23 06:19:40,987 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cd482e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:19:40, skipping insertion in model container [2018-11-23 06:19:40,987 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:19:40" (3/3) ... [2018-11-23 06:19:40,988 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50_true-unreach-call_false-termination.cil.c [2018-11-23 06:19:40,996 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 06:19:41,002 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 06:19:41,015 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 06:19:41,037 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 06:19:41,037 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 06:19:41,038 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 06:19:41,038 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 06:19:41,038 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:19:41,038 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:19:41,038 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 06:19:41,038 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:19:41,038 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 06:19:41,050 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states. [2018-11-23 06:19:41,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 06:19:41,057 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:19:41,058 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:19:41,060 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:19:41,064 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:19:41,064 INFO L82 PathProgramCache]: Analyzing trace with hash -1699285121, now seen corresponding path program 1 times [2018-11-23 06:19:41,066 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:19:41,066 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:19:41,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:41,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:19:41,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:41,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:19:41,246 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 06:19:41,248 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:19:41,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 06:19:41,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 06:19:41,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 06:19:41,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 06:19:41,263 INFO L87 Difference]: Start difference. First operand 155 states. Second operand 2 states. [2018-11-23 06:19:41,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:19:41,286 INFO L93 Difference]: Finished difference Result 280 states and 345 transitions. [2018-11-23 06:19:41,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 06:19:41,287 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-23 06:19:41,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:19:41,293 INFO L225 Difference]: With dead ends: 280 [2018-11-23 06:19:41,294 INFO L226 Difference]: Without dead ends: 142 [2018-11-23 06:19:41,296 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 06:19:41,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-11-23 06:19:41,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-11-23 06:19:41,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-11-23 06:19:41,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 166 transitions. [2018-11-23 06:19:41,330 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 166 transitions. Word has length 59 [2018-11-23 06:19:41,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:19:41,331 INFO L480 AbstractCegarLoop]: Abstraction has 142 states and 166 transitions. [2018-11-23 06:19:41,331 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 06:19:41,331 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 166 transitions. [2018-11-23 06:19:41,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 06:19:41,333 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:19:41,333 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:19:41,333 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:19:41,333 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:19:41,334 INFO L82 PathProgramCache]: Analyzing trace with hash -1214983917, now seen corresponding path program 1 times [2018-11-23 06:19:41,334 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:19:41,334 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:19:41,334 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:41,334 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:19:41,335 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:41,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:19:41,405 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 06:19:41,405 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:19:41,405 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:19:41,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:19:41,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:19:41,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:19:41,407 INFO L87 Difference]: Start difference. First operand 142 states and 166 transitions. Second operand 3 states. [2018-11-23 06:19:41,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:19:41,426 INFO L93 Difference]: Finished difference Result 225 states and 263 transitions. [2018-11-23 06:19:41,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:19:41,426 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-23 06:19:41,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:19:41,428 INFO L225 Difference]: With dead ends: 225 [2018-11-23 06:19:41,428 INFO L226 Difference]: Without dead ends: 133 [2018-11-23 06:19:41,429 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:19:41,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-11-23 06:19:41,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-11-23 06:19:41,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-11-23 06:19:41,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 154 transitions. [2018-11-23 06:19:41,441 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 154 transitions. Word has length 60 [2018-11-23 06:19:41,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:19:41,441 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 154 transitions. [2018-11-23 06:19:41,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:19:41,442 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 154 transitions. [2018-11-23 06:19:41,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 06:19:41,443 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:19:41,443 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:19:41,443 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:19:41,444 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:19:41,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1925814479, now seen corresponding path program 1 times [2018-11-23 06:19:41,444 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:19:41,444 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:19:41,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:41,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:19:41,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:19:41,546 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 06:19:41,546 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:19:41,547 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:19:41,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:19:41,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:19:41,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:19:41,547 INFO L87 Difference]: Start difference. First operand 133 states and 154 transitions. Second operand 3 states. [2018-11-23 06:19:41,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:19:41,569 INFO L93 Difference]: Finished difference Result 238 states and 281 transitions. [2018-11-23 06:19:41,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:19:41,569 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2018-11-23 06:19:41,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:19:41,571 INFO L225 Difference]: With dead ends: 238 [2018-11-23 06:19:41,571 INFO L226 Difference]: Without dead ends: 133 [2018-11-23 06:19:41,571 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:19:41,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-11-23 06:19:41,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-11-23 06:19:41,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-11-23 06:19:41,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 153 transitions. [2018-11-23 06:19:41,581 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 153 transitions. Word has length 65 [2018-11-23 06:19:41,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:19:41,582 INFO L480 AbstractCegarLoop]: Abstraction has 133 states and 153 transitions. [2018-11-23 06:19:41,582 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:19:41,583 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 153 transitions. [2018-11-23 06:19:41,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-23 06:19:41,584 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:19:41,585 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:19:41,585 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:19:41,585 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:19:41,585 INFO L82 PathProgramCache]: Analyzing trace with hash -890209421, now seen corresponding path program 1 times [2018-11-23 06:19:41,585 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:19:41,585 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:19:41,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:41,586 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:19:41,586 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:41,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:19:41,690 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 06:19:41,691 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:19:41,691 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 06:19:41,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 06:19:41,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 06:19:41,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 06:19:41,692 INFO L87 Difference]: Start difference. First operand 133 states and 153 transitions. Second operand 5 states. [2018-11-23 06:19:42,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:19:42,042 INFO L93 Difference]: Finished difference Result 344 states and 415 transitions. [2018-11-23 06:19:42,042 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 06:19:42,042 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 78 [2018-11-23 06:19:42,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:19:42,044 INFO L225 Difference]: With dead ends: 344 [2018-11-23 06:19:42,044 INFO L226 Difference]: Without dead ends: 239 [2018-11-23 06:19:42,045 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 06:19:42,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-11-23 06:19:42,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 220. [2018-11-23 06:19:42,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2018-11-23 06:19:42,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 252 transitions. [2018-11-23 06:19:42,069 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 252 transitions. Word has length 78 [2018-11-23 06:19:42,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:19:42,069 INFO L480 AbstractCegarLoop]: Abstraction has 220 states and 252 transitions. [2018-11-23 06:19:42,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 06:19:42,070 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 252 transitions. [2018-11-23 06:19:42,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-23 06:19:42,072 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:19:42,072 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:19:42,072 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:19:42,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:19:42,072 INFO L82 PathProgramCache]: Analyzing trace with hash -924989195, now seen corresponding path program 1 times [2018-11-23 06:19:42,073 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:19:42,073 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:19:42,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:42,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:19:42,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:42,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:19:42,236 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 06:19:42,236 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:19:42,236 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-23 06:19:42,237 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-23 06:19:42,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-23 06:19:42,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 06:19:42,237 INFO L87 Difference]: Start difference. First operand 220 states and 252 transitions. Second operand 8 states. [2018-11-23 06:19:42,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:19:42,279 INFO L93 Difference]: Finished difference Result 419 states and 493 transitions. [2018-11-23 06:19:42,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 06:19:42,279 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2018-11-23 06:19:42,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:19:42,282 INFO L225 Difference]: With dead ends: 419 [2018-11-23 06:19:42,282 INFO L226 Difference]: Without dead ends: 227 [2018-11-23 06:19:42,283 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-23 06:19:42,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-11-23 06:19:42,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 224. [2018-11-23 06:19:42,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-11-23 06:19:42,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 256 transitions. [2018-11-23 06:19:42,298 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 256 transitions. Word has length 92 [2018-11-23 06:19:42,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:19:42,299 INFO L480 AbstractCegarLoop]: Abstraction has 224 states and 256 transitions. [2018-11-23 06:19:42,299 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-23 06:19:42,299 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 256 transitions. [2018-11-23 06:19:42,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-23 06:19:42,301 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:19:42,301 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:19:42,301 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:19:42,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:19:42,301 INFO L82 PathProgramCache]: Analyzing trace with hash -947621449, now seen corresponding path program 1 times [2018-11-23 06:19:42,301 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:19:42,301 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:19:42,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:42,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:19:42,304 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:19:42,379 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 06:19:42,379 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:19:42,379 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 06:19:42,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 06:19:42,382 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 06:19:42,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 06:19:42,382 INFO L87 Difference]: Start difference. First operand 224 states and 256 transitions. Second operand 7 states. [2018-11-23 06:19:42,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:19:42,734 INFO L93 Difference]: Finished difference Result 438 states and 517 transitions. [2018-11-23 06:19:42,735 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-23 06:19:42,735 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 92 [2018-11-23 06:19:42,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:19:42,736 INFO L225 Difference]: With dead ends: 438 [2018-11-23 06:19:42,736 INFO L226 Difference]: Without dead ends: 242 [2018-11-23 06:19:42,738 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-23 06:19:42,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2018-11-23 06:19:42,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 223. [2018-11-23 06:19:42,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-11-23 06:19:42,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 253 transitions. [2018-11-23 06:19:42,750 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 253 transitions. Word has length 92 [2018-11-23 06:19:42,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:19:42,750 INFO L480 AbstractCegarLoop]: Abstraction has 223 states and 253 transitions. [2018-11-23 06:19:42,750 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 06:19:42,750 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 253 transitions. [2018-11-23 06:19:42,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 06:19:42,751 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:19:42,751 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:19:42,751 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:19:42,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:19:42,752 INFO L82 PathProgramCache]: Analyzing trace with hash 102938631, now seen corresponding path program 1 times [2018-11-23 06:19:42,752 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:19:42,752 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:19:42,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:42,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:19:42,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:42,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:19:42,807 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 06:19:42,807 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:19:42,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 06:19:42,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 06:19:42,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 06:19:42,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:19:42,808 INFO L87 Difference]: Start difference. First operand 223 states and 253 transitions. Second operand 6 states. [2018-11-23 06:19:42,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:19:42,829 INFO L93 Difference]: Finished difference Result 423 states and 488 transitions. [2018-11-23 06:19:42,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 06:19:42,830 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 93 [2018-11-23 06:19:42,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:19:42,831 INFO L225 Difference]: With dead ends: 423 [2018-11-23 06:19:42,831 INFO L226 Difference]: Without dead ends: 228 [2018-11-23 06:19:42,831 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-23 06:19:42,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-11-23 06:19:42,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2018-11-23 06:19:42,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2018-11-23 06:19:42,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 258 transitions. [2018-11-23 06:19:42,842 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 258 transitions. Word has length 93 [2018-11-23 06:19:42,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:19:42,842 INFO L480 AbstractCegarLoop]: Abstraction has 228 states and 258 transitions. [2018-11-23 06:19:42,842 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 06:19:42,842 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 258 transitions. [2018-11-23 06:19:42,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-23 06:19:42,843 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:19:42,843 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:19:42,843 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:19:42,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:19:42,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1764947894, now seen corresponding path program 1 times [2018-11-23 06:19:42,844 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:19:42,844 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:19:42,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:42,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:19:42,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:19:42,895 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 06:19:42,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:19:42,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 06:19:42,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 06:19:42,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 06:19:42,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 06:19:42,896 INFO L87 Difference]: Start difference. First operand 228 states and 258 transitions. Second operand 4 states. [2018-11-23 06:19:43,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:19:43,024 INFO L93 Difference]: Finished difference Result 667 states and 791 transitions. [2018-11-23 06:19:43,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 06:19:43,024 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 93 [2018-11-23 06:19:43,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:19:43,026 INFO L225 Difference]: With dead ends: 667 [2018-11-23 06:19:43,026 INFO L226 Difference]: Without dead ends: 467 [2018-11-23 06:19:43,027 INFO L631 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 [2018-11-23 06:19:43,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2018-11-23 06:19:43,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 458. [2018-11-23 06:19:43,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 458 states. [2018-11-23 06:19:43,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 532 transitions. [2018-11-23 06:19:43,048 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 532 transitions. Word has length 93 [2018-11-23 06:19:43,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:19:43,049 INFO L480 AbstractCegarLoop]: Abstraction has 458 states and 532 transitions. [2018-11-23 06:19:43,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 06:19:43,049 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 532 transitions. [2018-11-23 06:19:43,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-23 06:19:43,051 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:19:43,051 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:19:43,051 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:19:43,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:19:43,051 INFO L82 PathProgramCache]: Analyzing trace with hash -1197173488, now seen corresponding path program 1 times [2018-11-23 06:19:43,051 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:19:43,052 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:19:43,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:43,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:19:43,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:43,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:19:43,166 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 06:19:43,166 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:19:43,166 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 06:19:43,166 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 06:19:43,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 06:19:43,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-11-23 06:19:43,167 INFO L87 Difference]: Start difference. First operand 458 states and 532 transitions. Second operand 9 states. [2018-11-23 06:19:43,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:19:43,735 INFO L93 Difference]: Finished difference Result 1203 states and 1461 transitions. [2018-11-23 06:19:43,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 06:19:43,737 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 97 [2018-11-23 06:19:43,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:19:43,740 INFO L225 Difference]: With dead ends: 1203 [2018-11-23 06:19:43,740 INFO L226 Difference]: Without dead ends: 845 [2018-11-23 06:19:43,741 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-23 06:19:43,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 845 states. [2018-11-23 06:19:43,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 845 to 764. [2018-11-23 06:19:43,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 764 states. [2018-11-23 06:19:43,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 764 states and 877 transitions. [2018-11-23 06:19:43,774 INFO L78 Accepts]: Start accepts. Automaton has 764 states and 877 transitions. Word has length 97 [2018-11-23 06:19:43,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:19:43,774 INFO L480 AbstractCegarLoop]: Abstraction has 764 states and 877 transitions. [2018-11-23 06:19:43,775 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 06:19:43,775 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 877 transitions. [2018-11-23 06:19:43,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-23 06:19:43,776 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:19:43,777 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:19:43,777 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:19:43,777 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:19:43,777 INFO L82 PathProgramCache]: Analyzing trace with hash 608844856, now seen corresponding path program 1 times [2018-11-23 06:19:43,777 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:19:43,777 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:19:43,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:43,778 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:19:43,778 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:43,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:19:43,875 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 06:19:43,875 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:19:43,875 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e4555eeb-c326-4d3c-bcea-6decbcefb8ab/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:19:43,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:19:43,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:19:43,972 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:19:44,080 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 28 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:19:44,096 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 06:19:44,096 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2018-11-23 06:19:44,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 06:19:44,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 06:19:44,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2018-11-23 06:19:44,097 INFO L87 Difference]: Start difference. First operand 764 states and 877 transitions. Second operand 16 states. [2018-11-23 06:19:44,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:19:44,792 INFO L93 Difference]: Finished difference Result 1740 states and 2073 transitions. [2018-11-23 06:19:44,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-23 06:19:44,793 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 159 [2018-11-23 06:19:44,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:19:44,796 INFO L225 Difference]: With dead ends: 1740 [2018-11-23 06:19:44,796 INFO L226 Difference]: Without dead ends: 1074 [2018-11-23 06:19:44,797 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=775, Unknown=0, NotChecked=0, Total=930 [2018-11-23 06:19:44,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2018-11-23 06:19:44,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 930. [2018-11-23 06:19:44,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 930 states. [2018-11-23 06:19:44,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 930 states and 1077 transitions. [2018-11-23 06:19:44,835 INFO L78 Accepts]: Start accepts. Automaton has 930 states and 1077 transitions. Word has length 159 [2018-11-23 06:19:44,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:19:44,836 INFO L480 AbstractCegarLoop]: Abstraction has 930 states and 1077 transitions. [2018-11-23 06:19:44,836 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 06:19:44,836 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1077 transitions. [2018-11-23 06:19:44,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-23 06:19:44,839 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:19:44,840 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:19:44,840 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:19:44,840 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:19:44,840 INFO L82 PathProgramCache]: Analyzing trace with hash 537677305, now seen corresponding path program 1 times [2018-11-23 06:19:44,840 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:19:44,840 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:19:44,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:44,841 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:19:44,841 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:19:44,940 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 97 proven. 16 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2018-11-23 06:19:44,941 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:19:44,941 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e4555eeb-c326-4d3c-bcea-6decbcefb8ab/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:19:44,949 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:19:45,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:19:45,066 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:19:45,186 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 201 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-23 06:19:45,202 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 06:19:45,202 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 18 [2018-11-23 06:19:45,203 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-23 06:19:45,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-23 06:19:45,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-11-23 06:19:45,204 INFO L87 Difference]: Start difference. First operand 930 states and 1077 transitions. Second operand 18 states. [2018-11-23 06:19:46,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:19:46,674 INFO L93 Difference]: Finished difference Result 2499 states and 3060 transitions. [2018-11-23 06:19:46,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-11-23 06:19:46,675 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 277 [2018-11-23 06:19:46,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:19:46,679 INFO L225 Difference]: With dead ends: 2499 [2018-11-23 06:19:46,679 INFO L226 Difference]: Without dead ends: 1361 [2018-11-23 06:19:46,681 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 282 SyntacticMatches, 1 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=336, Invalid=1304, Unknown=0, NotChecked=0, Total=1640 [2018-11-23 06:19:46,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1361 states. [2018-11-23 06:19:46,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1361 to 1243. [2018-11-23 06:19:46,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1243 states. [2018-11-23 06:19:46,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1243 states and 1422 transitions. [2018-11-23 06:19:46,726 INFO L78 Accepts]: Start accepts. Automaton has 1243 states and 1422 transitions. Word has length 277 [2018-11-23 06:19:46,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:19:46,726 INFO L480 AbstractCegarLoop]: Abstraction has 1243 states and 1422 transitions. [2018-11-23 06:19:46,727 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-23 06:19:46,727 INFO L276 IsEmpty]: Start isEmpty. Operand 1243 states and 1422 transitions. [2018-11-23 06:19:46,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2018-11-23 06:19:46,730 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:19:46,730 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:19:46,730 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:19:46,731 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:19:46,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1078201551, now seen corresponding path program 1 times [2018-11-23 06:19:46,731 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 06:19:46,731 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 06:19:46,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:46,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:19:46,732 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:19:46,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:19:46,829 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 111 proven. 17 refuted. 0 times theorem prover too weak. 426 trivial. 0 not checked. [2018-11-23 06:19:46,829 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:19:46,829 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e4555eeb-c326-4d3c-bcea-6decbcefb8ab/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:19:46,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:19:46,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:19:46,964 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:19:47,027 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2018-11-23 06:19:47,042 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:19:47,043 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-11-23 06:19:47,043 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 06:19:47,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 06:19:47,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-23 06:19:47,044 INFO L87 Difference]: Start difference. First operand 1243 states and 1422 transitions. Second operand 13 states. [2018-11-23 06:19:47,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:19:47,093 INFO L93 Difference]: Finished difference Result 1509 states and 1717 transitions. [2018-11-23 06:19:47,094 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 06:19:47,094 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 362 [2018-11-23 06:19:47,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:19:47,094 INFO L225 Difference]: With dead ends: 1509 [2018-11-23 06:19:47,095 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 06:19:47,096 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 361 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2018-11-23 06:19:47,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 06:19:47,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 06:19:47,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 06:19:47,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 06:19:47,097 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 362 [2018-11-23 06:19:47,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:19:47,097 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 06:19:47,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-23 06:19:47,097 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 06:19:47,097 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 06:19:47,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 06:19:47,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:47,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:47,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:47,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:47,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:47,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:47,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:47,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:47,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:47,241 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:47,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:47,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:47,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:47,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:47,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:47,277 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:47,278 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:47,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:47,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:47,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:47,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:47,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:47,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:47,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:47,371 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:47,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:47,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:47,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:47,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:19:48,086 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 37 [2018-11-23 06:19:49,409 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 35 [2018-11-23 06:19:49,463 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 880 886) the Hoare annotation is: true [2018-11-23 06:19:49,464 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 880 886) no Hoare annotation was computed. [2018-11-23 06:19:49,464 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 887 895) no Hoare annotation was computed. [2018-11-23 06:19:49,464 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 887 895) the Hoare annotation is: true [2018-11-23 06:19:49,464 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 887 895) no Hoare annotation was computed. [2018-11-23 06:19:49,464 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 811 818) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 0) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-11-23 06:19:49,464 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 811 818) no Hoare annotation was computed. [2018-11-23 06:19:49,464 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 811 818) no Hoare annotation was computed. [2018-11-23 06:19:49,464 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 819 828) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~waterLevel~0 1)))) (and (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse0 .cse1 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) .cse2) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse0 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse2))) [2018-11-23 06:19:49,464 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 819 828) no Hoare annotation was computed. [2018-11-23 06:19:49,464 INFO L448 ceAbstractionStarter]: For program point L824(line 824) no Hoare annotation was computed. [2018-11-23 06:19:49,464 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 819 828) no Hoare annotation was computed. [2018-11-23 06:19:49,464 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 829 857) the Hoare annotation is: true [2018-11-23 06:19:49,465 INFO L444 ceAbstractionStarter]: At program point L844(line 844) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 2))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0)) (.cse4 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (= 1 ~pumpRunning~0)) .cse3) (or .cse0 .cse1 .cse2 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse4))) [2018-11-23 06:19:49,465 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 829 857) no Hoare annotation was computed. [2018-11-23 06:19:49,465 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 848) no Hoare annotation was computed. [2018-11-23 06:19:49,465 INFO L448 ceAbstractionStarter]: For program point L841(lines 841 851) no Hoare annotation was computed. [2018-11-23 06:19:49,465 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 2))) (.cse2 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 0)) (.cse4 (<= __utac_acc__Specification5_spec__3_~tmp~8 ~waterLevel~0)) (.cse5 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (= 1 ~pumpRunning~0)) .cse3) (or .cse0 .cse1 .cse4 .cse2 .cse5) (or (< ~switchedOnBeforeTS~0 1) .cse0 .cse1 .cse4 .cse5))) [2018-11-23 06:19:49,465 INFO L448 ceAbstractionStarter]: For program point L839-1(line 839) no Hoare annotation was computed. [2018-11-23 06:19:49,465 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 854) no Hoare annotation was computed. [2018-11-23 06:19:49,465 INFO L448 ceAbstractionStarter]: For program point L837-1(lines 829 857) no Hoare annotation was computed. [2018-11-23 06:19:49,465 INFO L451 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: true [2018-11-23 06:19:49,465 INFO L448 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-11-23 06:19:49,465 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 970 992) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:19:49,465 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 970 992) no Hoare annotation was computed. [2018-11-23 06:19:49,466 INFO L444 ceAbstractionStarter]: At program point L982(line 982) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~9 1) (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-23 06:19:49,466 INFO L444 ceAbstractionStarter]: At program point L982-1(line 982) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (and (= main_~tmp~9 1) (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) [2018-11-23 06:19:49,466 INFO L448 ceAbstractionStarter]: For program point L980(lines 980 987) no Hoare annotation was computed. [2018-11-23 06:19:49,466 INFO L448 ceAbstractionStarter]: For program point L980-1(lines 980 987) no Hoare annotation was computed. [2018-11-23 06:19:49,466 INFO L448 ceAbstractionStarter]: For program point L978(line 978) no Hoare annotation was computed. [2018-11-23 06:19:49,466 INFO L444 ceAbstractionStarter]: At program point L977(line 977) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:19:49,466 INFO L444 ceAbstractionStarter]: At program point L976(line 976) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:19:49,466 INFO L444 ceAbstractionStarter]: At program point L976-1(line 976) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:19:49,466 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 970 992) no Hoare annotation was computed. [2018-11-23 06:19:49,466 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 178 186) no Hoare annotation was computed. [2018-11-23 06:19:49,466 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 178 186) the Hoare annotation is: true [2018-11-23 06:19:49,466 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 178 186) no Hoare annotation was computed. [2018-11-23 06:19:49,466 INFO L448 ceAbstractionStarter]: For program point L251(lines 251 255) no Hoare annotation was computed. [2018-11-23 06:19:49,466 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 242 260) the Hoare annotation is: true [2018-11-23 06:19:49,467 INFO L451 ceAbstractionStarter]: At program point L249(line 249) the Hoare annotation is: true [2018-11-23 06:19:49,467 INFO L448 ceAbstractionStarter]: For program point L251-2(lines 251 255) no Hoare annotation was computed. [2018-11-23 06:19:49,467 INFO L448 ceAbstractionStarter]: For program point L249-1(line 249) no Hoare annotation was computed. [2018-11-23 06:19:49,467 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 242 260) no Hoare annotation was computed. [2018-11-23 06:19:49,467 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 242 260) no Hoare annotation was computed. [2018-11-23 06:19:49,467 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 873 879) no Hoare annotation was computed. [2018-11-23 06:19:49,467 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 873 879) the Hoare annotation is: true [2018-11-23 06:19:49,467 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 959 969) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:19:49,467 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 959 969) no Hoare annotation was computed. [2018-11-23 06:19:49,467 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 959 969) no Hoare annotation was computed. [2018-11-23 06:19:49,467 INFO L444 ceAbstractionStarter]: At program point L964(line 964) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:19:49,467 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 159 166) the Hoare annotation is: (or (= ~systemActive~0 0) (not (= 1 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) [2018-11-23 06:19:49,467 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 159 166) no Hoare annotation was computed. [2018-11-23 06:19:49,467 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 159 166) no Hoare annotation was computed. [2018-11-23 06:19:49,468 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 430) no Hoare annotation was computed. [2018-11-23 06:19:49,468 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 420 433) no Hoare annotation was computed. [2018-11-23 06:19:49,468 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 420 433) the Hoare annotation is: true [2018-11-23 06:19:49,468 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 420 433) no Hoare annotation was computed. [2018-11-23 06:19:49,468 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 126 150) no Hoare annotation was computed. [2018-11-23 06:19:49,468 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 126 150) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 1)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse3 .cse0 .cse4) (or .cse3 .cse1 .cse2 .cse0 .cse4))) [2018-11-23 06:19:49,468 INFO L444 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~waterLevel~0 1)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse2 (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse4) (or .cse3 .cse1 .cse2 .cse0 .cse4))) [2018-11-23 06:19:49,468 INFO L448 ceAbstractionStarter]: For program point L145-1(lines 126 150) no Hoare annotation was computed. [2018-11-23 06:19:49,468 INFO L444 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse3) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))))) [2018-11-23 06:19:49,468 INFO L444 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (and (= processEnvironment_~tmp~1 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))))) [2018-11-23 06:19:49,468 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 142) no Hoare annotation was computed. [2018-11-23 06:19:49,469 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))) (or .cse1 (not (= 1 |old(~pumpRunning~0)|)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse2 .cse3))) [2018-11-23 06:19:49,469 INFO L448 ceAbstractionStarter]: For program point L132-1(line 132) no Hoare annotation was computed. [2018-11-23 06:19:49,469 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 147) no Hoare annotation was computed. [2018-11-23 06:19:49,469 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 92 98) no Hoare annotation was computed. [2018-11-23 06:19:49,469 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 92 98) the Hoare annotation is: true [2018-11-23 06:19:49,469 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 273 338) the Hoare annotation is: (or (and (not (= ~systemActive~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:19:49,469 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 289) no Hoare annotation was computed. [2018-11-23 06:19:49,469 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 273 338) no Hoare annotation was computed. [2018-11-23 06:19:49,469 INFO L444 ceAbstractionStarter]: At program point L331(lines 282 332) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~systemActive~0)| 0) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 06:19:49,469 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 325) no Hoare annotation was computed. [2018-11-23 06:19:49,469 INFO L444 ceAbstractionStarter]: At program point L321-2(lines 313 326) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse3 (= test_~splverifierCounter~0 0))) (let ((.cse0 (and (= 0 ~pumpRunning~0) .cse2 .cse3)) (.cse1 (= 2 ~waterLevel~0))) (or (= |old(~systemActive~0)| 0) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse0) (and .cse2 .cse1 (= ~pumpRunning~0 1) .cse3) (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 06:19:49,469 INFO L448 ceAbstractionStarter]: For program point L284(lines 283 330) no Hoare annotation was computed. [2018-11-23 06:19:49,470 INFO L444 ceAbstractionStarter]: At program point L315(line 315) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse3 (= test_~splverifierCounter~0 0))) (let ((.cse0 (and (= 0 ~pumpRunning~0) .cse2 .cse3)) (.cse1 (= 2 ~waterLevel~0))) (or (= |old(~systemActive~0)| 0) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse0) (and .cse2 .cse1 (= ~pumpRunning~0 1) .cse3) (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 06:19:49,470 INFO L448 ceAbstractionStarter]: For program point L313(lines 313 326) no Hoare annotation was computed. [2018-11-23 06:19:49,470 INFO L444 ceAbstractionStarter]: At program point L305(line 305) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 0))) (.cse3 (= test_~splverifierCounter~0 0))) (let ((.cse0 (and (= 0 ~pumpRunning~0) .cse2 .cse3)) (.cse1 (= 2 ~waterLevel~0))) (or (= |old(~systemActive~0)| 0) (and .cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse0) (and .cse2 .cse1 (= ~pumpRunning~0 1) .cse3) (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 06:19:49,470 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 309) no Hoare annotation was computed. [2018-11-23 06:19:49,470 INFO L448 ceAbstractionStarter]: For program point L303-1(lines 303 309) no Hoare annotation was computed. [2018-11-23 06:19:49,470 INFO L444 ceAbstractionStarter]: At program point L328(lines 283 330) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse2 (= test_~splverifierCounter~0 0))) (let ((.cse1 (= 2 ~waterLevel~0)) (.cse3 (and (= 0 ~pumpRunning~0) .cse0 .cse2))) (or (= |old(~systemActive~0)| 0) (and .cse0 .cse1 (= ~pumpRunning~0 1) .cse2) (and .cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (and .cse1 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 06:19:49,470 INFO L444 ceAbstractionStarter]: At program point L295(line 295) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 0))) (.cse2 (= test_~splverifierCounter~0 0))) (let ((.cse1 (= 2 ~waterLevel~0)) (.cse3 (and (= 0 ~pumpRunning~0) .cse0 .cse2))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~pumpRunning~0 1) .cse2) (= |old(~systemActive~0)| 0) (and (= 1 ~waterLevel~0) .cse3) (and .cse1 .cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1))))) [2018-11-23 06:19:49,470 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 299) no Hoare annotation was computed. [2018-11-23 06:19:49,470 INFO L448 ceAbstractionStarter]: For program point L293-1(lines 293 299) no Hoare annotation was computed. [2018-11-23 06:19:49,470 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 273 338) no Hoare annotation was computed. [2018-11-23 06:19:49,470 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 434 442) no Hoare annotation was computed. [2018-11-23 06:19:49,470 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 434 442) the Hoare annotation is: true [2018-11-23 06:19:49,470 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 434 442) no Hoare annotation was computed. [2018-11-23 06:19:49,471 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:19:49,471 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-23 06:19:49,471 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:19:49,471 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 151 158) no Hoare annotation was computed. [2018-11-23 06:19:49,471 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 151 158) no Hoare annotation was computed. [2018-11-23 06:19:49,471 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 151 158) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-23 06:19:49,471 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 411 419) the Hoare annotation is: true [2018-11-23 06:19:49,471 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 411 419) no Hoare annotation was computed. [2018-11-23 06:19:49,471 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 411 419) no Hoare annotation was computed. [2018-11-23 06:19:49,471 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 223 241) no Hoare annotation was computed. [2018-11-23 06:19:49,471 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 236) no Hoare annotation was computed. [2018-11-23 06:19:49,471 INFO L451 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: true [2018-11-23 06:19:49,471 INFO L448 ceAbstractionStarter]: For program point L232-2(lines 232 236) no Hoare annotation was computed. [2018-11-23 06:19:49,471 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 223 241) the Hoare annotation is: true [2018-11-23 06:19:49,471 INFO L448 ceAbstractionStarter]: For program point L230-1(line 230) no Hoare annotation was computed. [2018-11-23 06:19:49,471 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 223 241) no Hoare annotation was computed. [2018-11-23 06:19:49,472 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 367 378) the Hoare annotation is: true [2018-11-23 06:19:49,472 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 367 378) no Hoare annotation was computed. [2018-11-23 06:19:49,472 INFO L448 ceAbstractionStarter]: For program point L371-1(lines 367 378) no Hoare annotation was computed. [2018-11-23 06:19:49,472 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 898 927) no Hoare annotation was computed. [2018-11-23 06:19:49,472 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 898 927) the Hoare annotation is: true [2018-11-23 06:19:49,472 INFO L451 ceAbstractionStarter]: At program point L923(lines 898 927) the Hoare annotation is: true [2018-11-23 06:19:49,472 INFO L448 ceAbstractionStarter]: For program point L919(line 919) no Hoare annotation was computed. [2018-11-23 06:19:49,472 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 916) no Hoare annotation was computed. [2018-11-23 06:19:49,472 INFO L451 ceAbstractionStarter]: At program point L912-1(lines 912 916) the Hoare annotation is: true [2018-11-23 06:19:49,472 INFO L448 ceAbstractionStarter]: For program point L909(line 909) no Hoare annotation was computed. [2018-11-23 06:19:49,472 INFO L451 ceAbstractionStarter]: At program point L908-2(lines 908 922) the Hoare annotation is: true [2018-11-23 06:19:49,472 INFO L451 ceAbstractionStarter]: At program point L904(line 904) the Hoare annotation is: true [2018-11-23 06:19:49,472 INFO L448 ceAbstractionStarter]: For program point L904-1(line 904) no Hoare annotation was computed. [2018-11-23 06:19:49,472 INFO L444 ceAbstractionStarter]: At program point L81(line 81) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse5 (not (= |old(~waterLevel~0)| 2))) (.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse3 .cse4))) (and (or .cse0 .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or (and (= 1 ~waterLevel~0) .cse3 .cse4) (or (or .cse2 .cse5) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse1 .cse2 .cse5) .cse0)))) [2018-11-23 06:19:49,473 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 65 91) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse0 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse4 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or .cse0 .cse3 .cse1 .cse4) (or (or .cse3 .cse1 .cse2) .cse0) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse3 .cse1 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) .cse4) (or (< |old(~switchedOnBeforeTS~0)| 1) .cse3 .cse1 (<= 1 ~switchedOnBeforeTS~0) .cse4))) [2018-11-23 06:19:49,473 INFO L444 ceAbstractionStarter]: At program point L79(lines 79 85) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse0 (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 (and (= ~pumpRunning~0 1) .cse4) (or .cse1 .cse2 .cse3) .cse0)))) [2018-11-23 06:19:49,473 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 65 91) no Hoare annotation was computed. [2018-11-23 06:19:49,473 INFO L444 ceAbstractionStarter]: At program point L74(line 74) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))) (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or .cse0 .cse1 .cse2))) [2018-11-23 06:19:49,473 INFO L448 ceAbstractionStarter]: For program point L72(lines 68 90) no Hoare annotation was computed. [2018-11-23 06:19:49,473 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 65 91) no Hoare annotation was computed. [2018-11-23 06:19:49,473 INFO L448 ceAbstractionStarter]: For program point L70(lines 68 90) no Hoare annotation was computed. [2018-11-23 06:19:49,473 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 343 354) the Hoare annotation is: (or (or (= ~systemActive~0 0) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-11-23 06:19:49,473 INFO L448 ceAbstractionStarter]: For program point L347-1(lines 343 354) no Hoare annotation was computed. [2018-11-23 06:19:49,473 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 343 354) no Hoare annotation was computed. [2018-11-23 06:19:49,473 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 952 958) no Hoare annotation was computed. [2018-11-23 06:19:49,473 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 952 958) the Hoare annotation is: true [2018-11-23 06:19:49,474 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:19:49,474 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (not (= ~systemActive~0 0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-11-23 06:19:49,474 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 06:19:49,474 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:19:49,474 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 261 268) no Hoare annotation was computed. [2018-11-23 06:19:49,474 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 261 268) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 0))) (.cse2 (= |old(~systemActive~0)| 0)) (.cse3 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (or .cse1 .cse2 .cse3) .cse0) (or .cse0 (or (or .cse2 .cse3) (not (= 1 ~pumpRunning~0)))))) [2018-11-23 06:19:49,474 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 261 268) no Hoare annotation was computed. [2018-11-23 06:19:49,474 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 100 124) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse3 .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-23 06:19:49,474 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 100 124) no Hoare annotation was computed. [2018-11-23 06:19:49,474 INFO L444 ceAbstractionStarter]: At program point L119(line 119) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2)))))) [2018-11-23 06:19:49,474 INFO L448 ceAbstractionStarter]: For program point L119-1(lines 100 124) no Hoare annotation was computed. [2018-11-23 06:19:49,475 INFO L444 ceAbstractionStarter]: At program point L114(line 114) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse1 .cse2 .cse3 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-23 06:19:49,475 INFO L444 ceAbstractionStarter]: At program point L110(line 110) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-23 06:19:49,475 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 116) no Hoare annotation was computed. [2018-11-23 06:19:49,475 INFO L444 ceAbstractionStarter]: At program point L106(line 106) the Hoare annotation is: (let ((.cse3 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse3 .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-11-23 06:19:49,475 INFO L448 ceAbstractionStarter]: For program point L106-1(line 106) no Hoare annotation was computed. [2018-11-23 06:19:49,475 INFO L448 ceAbstractionStarter]: For program point L104(lines 104 121) no Hoare annotation was computed. [2018-11-23 06:19:49,475 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 355 366) no Hoare annotation was computed. [2018-11-23 06:19:49,475 INFO L448 ceAbstractionStarter]: For program point L359-1(lines 355 366) no Hoare annotation was computed. [2018-11-23 06:19:49,475 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 355 366) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1 .cse2) (or .cse1 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or .cse3 .cse0) .cse2) (or (or .cse3 .cse0 (not (= |old(~waterLevel~0)| 1))) .cse1))) [2018-11-23 06:19:49,475 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-23 06:19:49,475 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-23 06:19:49,475 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-23 06:19:49,476 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-23 06:19:49,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:19:49 BoogieIcfgContainer [2018-11-23 06:19:49,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 06:19:49,486 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:19:49,486 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:19:49,486 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:19:49,486 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:19:40" (3/4) ... [2018-11-23 06:19:49,489 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 06:19:49,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 06:19:49,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 06:19:49,494 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-23 06:19:49,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-23 06:19:49,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-23 06:19:49,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 06:19:49,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 06:19:49,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 06:19:49,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 06:19:49,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 06:19:49,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 06:19:49,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 06:19:49,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 06:19:49,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 06:19:49,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 06:19:49,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 06:19:49,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 06:19:49,495 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 06:19:49,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 06:19:49,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 06:19:49,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 06:19:49,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 06:19:49,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 06:19:49,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 06:19:49,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 06:19:49,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 06:19:49,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 06:19:49,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 06:19:49,496 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 06:19:49,502 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-23 06:19:49,503 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 06:19:49,503 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 06:19:49,503 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 06:19:49,503 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 06:19:49,504 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 06:19:49,504 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 06:19:49,524 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(systemActive) == 0 || (((!(systemActive == 0) && 2 == waterLevel) && pumpRunning == 1) && splverifierCounter == 0)) || (((0 == pumpRunning && !(systemActive == 0)) && splverifierCounter == 0) && \old(waterLevel) == waterLevel)) || ((2 == waterLevel && (0 == pumpRunning && !(systemActive == 0)) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1) [2018-11-23 06:19:49,525 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) [2018-11-23 06:19:49,557 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e4555eeb-c326-4d3c-bcea-6decbcefb8ab/bin-2019/uautomizer/witness.graphml [2018-11-23 06:19:49,557 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:19:49,558 INFO L168 Benchmark]: Toolchain (without parser) took 9450.30 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 357.0 MB). Free memory was 956.6 MB in the beginning and 832.0 MB in the end (delta: 124.5 MB). Peak memory consumption was 481.6 MB. Max. memory is 11.5 GB. [2018-11-23 06:19:49,559 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:19:49,559 INFO L168 Benchmark]: CACSL2BoogieTranslator took 382.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -158.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-23 06:19:49,559 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:19:49,559 INFO L168 Benchmark]: Boogie Preprocessor took 30.19 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:19:49,560 INFO L168 Benchmark]: RCFGBuilder took 433.72 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: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:19:49,560 INFO L168 Benchmark]: TraceAbstraction took 8502.20 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 230.7 MB). Free memory was 1.1 GB in the beginning and 842.6 MB in the end (delta: 211.6 MB). Peak memory consumption was 457.9 MB. Max. memory is 11.5 GB. [2018-11-23 06:19:49,560 INFO L168 Benchmark]: Witness Printer took 71.91 ms. Allocated memory is still 1.4 GB. Free memory was 842.6 MB in the beginning and 832.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. [2018-11-23 06:19:49,561 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 382.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -158.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.71 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.19 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 433.72 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: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8502.20 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 230.7 MB). Free memory was 1.1 GB in the beginning and 842.6 MB in the end (delta: 211.6 MB). Peak memory consumption was 457.9 MB. Max. memory is 11.5 GB. * Witness Printer took 71.91 ms. Allocated memory is still 1.4 GB. Free memory was 842.6 MB in the beginning and 832.0 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 908]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || \old(systemActive) == 0) || !(\old(waterLevel) == 1) - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: ((((\old(systemActive) == 0 || (((!(systemActive == 0) && 2 == waterLevel) && pumpRunning == 1) && splverifierCounter == 0)) || (((0 == pumpRunning && !(systemActive == 0)) && splverifierCounter == 0) && \old(waterLevel) == waterLevel)) || ((2 == waterLevel && (0 == pumpRunning && !(systemActive == 0)) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1) - InvariantResult [Line: 898]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 155 locations, 1 error locations. SAFE Result, 8.4s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 3.8s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2310 SDtfs, 2276 SDslu, 7215 SDs, 0 SdLazy, 5332 SolverSat, 1208 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 983 GetRequests, 849 SyntacticMatches, 5 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 542 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1243occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 12 MinimizatonAttempts, 393 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 1843 PreInvPairs, 1925 NumberOfFragments, 1731 HoareAnnotationTreeSize, 1843 FomulaSimplifications, 9778 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 63 FomulaSimplificationsInter, 17103 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 2325 NumberOfCodeBlocks, 2325 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 2310 ConstructedInterpolants, 0 QuantifiedInterpolants, 693301 SizeOfPredicates, 13 NumberOfNonLiveVariables, 3550 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 15 InterpolantComputations, 10 PerfectInterpolantSequences, 1702/1761 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...