./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product60_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6c805a95-f6aa-47cb-ac0f-2021e5e70c23/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6c805a95-f6aa-47cb-ac0f-2021e5e70c23/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6c805a95-f6aa-47cb-ac0f-2021e5e70c23/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6c805a95-f6aa-47cb-ac0f-2021e5e70c23/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product60_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6c805a95-f6aa-47cb-ac0f-2021e5e70c23/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6c805a95-f6aa-47cb-ac0f-2021e5e70c23/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 21b7318e0534e2795ffc81aa5194a01e66c6f479 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 05:31:58,409 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 05:31:58,410 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 05:31:58,416 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 05:31:58,416 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 05:31:58,417 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 05:31:58,417 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 05:31:58,418 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 05:31:58,419 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 05:31:58,420 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 05:31:58,420 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 05:31:58,420 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 05:31:58,421 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 05:31:58,421 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 05:31:58,422 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 05:31:58,422 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 05:31:58,423 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 05:31:58,424 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 05:31:58,424 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 05:31:58,425 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 05:31:58,426 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 05:31:58,426 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 05:31:58,428 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 05:31:58,428 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 05:31:58,428 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 05:31:58,428 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 05:31:58,429 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 05:31:58,429 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 05:31:58,430 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 05:31:58,430 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 05:31:58,431 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 05:31:58,431 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 05:31:58,431 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 05:31:58,431 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 05:31:58,432 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 05:31:58,432 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 05:31:58,432 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6c805a95-f6aa-47cb-ac0f-2021e5e70c23/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 05:31:58,439 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 05:31:58,440 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 05:31:58,440 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 05:31:58,440 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 05:31:58,441 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 05:31:58,441 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 05:31:58,441 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 05:31:58,441 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 05:31:58,441 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 05:31:58,441 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 05:31:58,442 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 05:31:58,442 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 05:31:58,442 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 05:31:58,442 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 05:31:58,442 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 05:31:58,442 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 05:31:58,442 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 05:31:58,442 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 05:31:58,443 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 05:31:58,443 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 05:31:58,443 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 05:31:58,443 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 05:31:58,443 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 05:31:58,443 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 05:31:58,443 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 05:31:58,444 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 05:31:58,444 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 05:31:58,444 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 05:31:58,444 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 05:31:58,444 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 05:31:58,444 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_6c805a95-f6aa-47cb-ac0f-2021e5e70c23/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 -> 21b7318e0534e2795ffc81aa5194a01e66c6f479 [2018-12-02 05:31:58,462 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 05:31:58,468 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 05:31:58,470 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 05:31:58,471 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 05:31:58,471 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 05:31:58,472 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6c805a95-f6aa-47cb-ac0f-2021e5e70c23/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product60_true-unreach-call_false-termination.cil.c [2018-12-02 05:31:58,507 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c805a95-f6aa-47cb-ac0f-2021e5e70c23/bin-2019/uautomizer/data/46d463312/6fa91d18abff45f9b5f2be2a2ca67324/FLAG2d38f3e3e [2018-12-02 05:31:58,953 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 05:31:58,953 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6c805a95-f6aa-47cb-ac0f-2021e5e70c23/sv-benchmarks/c/product-lines/minepump_spec1_product60_true-unreach-call_false-termination.cil.c [2018-12-02 05:31:58,959 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6c805a95-f6aa-47cb-ac0f-2021e5e70c23/bin-2019/uautomizer/data/46d463312/6fa91d18abff45f9b5f2be2a2ca67324/FLAG2d38f3e3e [2018-12-02 05:31:58,967 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6c805a95-f6aa-47cb-ac0f-2021e5e70c23/bin-2019/uautomizer/data/46d463312/6fa91d18abff45f9b5f2be2a2ca67324 [2018-12-02 05:31:58,969 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 05:31:58,970 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 05:31:58,970 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 05:31:58,970 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 05:31:58,973 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 05:31:58,973 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:31:58" (1/1) ... [2018-12-02 05:31:58,975 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f304bcd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:31:58, skipping insertion in model container [2018-12-02 05:31:58,975 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:31:58" (1/1) ... [2018-12-02 05:31:58,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 05:31:59,000 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 05:31:59,153 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 05:31:59,161 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 05:31:59,250 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 05:31:59,266 INFO L195 MainTranslator]: Completed translation [2018-12-02 05:31:59,267 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:31:59 WrapperNode [2018-12-02 05:31:59,267 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 05:31:59,267 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 05:31:59,268 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 05:31:59,268 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 05:31:59,274 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:31:59" (1/1) ... [2018-12-02 05:31:59,283 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:31:59" (1/1) ... [2018-12-02 05:31:59,289 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 05:31:59,289 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 05:31:59,289 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 05:31:59,289 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 05:31:59,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:31:59" (1/1) ... [2018-12-02 05:31:59,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:31:59" (1/1) ... [2018-12-02 05:31:59,297 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:31:59" (1/1) ... [2018-12-02 05:31:59,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:31:59" (1/1) ... [2018-12-02 05:31:59,303 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:31:59" (1/1) ... [2018-12-02 05:31:59,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:31:59" (1/1) ... [2018-12-02 05:31:59,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:31:59" (1/1) ... [2018-12-02 05:31:59,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 05:31:59,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 05:31:59,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 05:31:59,311 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 05:31:59,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:31:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c805a95-f6aa-47cb-ac0f-2021e5e70c23/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 [2018-12-02 05:31:59,343 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 05:31:59,344 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 05:31:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 05:31:59,344 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 05:31:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-02 05:31:59,344 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-02 05:31:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-02 05:31:59,344 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-02 05:31:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 05:31:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 05:31:59,344 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 05:31:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 05:31:59,344 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 05:31:59,344 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 05:31:59,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 05:31:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 05:31:59,345 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 05:31:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 05:31:59,345 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 05:31:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-02 05:31:59,345 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-02 05:31:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-02 05:31:59,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-02 05:31:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 05:31:59,345 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 05:31:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 05:31:59,345 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 05:31:59,345 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 05:31:59,346 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 05:31:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 05:31:59,346 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 05:31:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 05:31:59,346 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 05:31:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 05:31:59,346 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 05:31:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 05:31:59,346 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 05:31:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 05:31:59,346 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 05:31:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 05:31:59,346 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 05:31:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 05:31:59,346 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 05:31:59,346 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 05:31:59,347 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 05:31:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 05:31:59,347 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 05:31:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 05:31:59,347 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 05:31:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 05:31:59,347 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 05:31:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 05:31:59,347 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 05:31:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 05:31:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 05:31:59,347 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 05:31:59,347 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 05:31:59,347 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 05:31:59,348 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 05:31:59,348 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 05:31:59,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 05:31:59,348 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 05:31:59,348 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-02 05:31:59,348 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-02 05:31:59,628 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 05:31:59,629 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 05:31:59,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:31:59 BoogieIcfgContainer [2018-12-02 05:31:59,629 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 05:31:59,629 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 05:31:59,629 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 05:31:59,631 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 05:31:59,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:31:58" (1/3) ... [2018-12-02 05:31:59,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bdc1de4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:31:59, skipping insertion in model container [2018-12-02 05:31:59,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:31:59" (2/3) ... [2018-12-02 05:31:59,632 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bdc1de4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:31:59, skipping insertion in model container [2018-12-02 05:31:59,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:31:59" (3/3) ... [2018-12-02 05:31:59,633 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product60_true-unreach-call_false-termination.cil.c [2018-12-02 05:31:59,640 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 05:31:59,644 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 05:31:59,653 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 05:31:59,671 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 05:31:59,671 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 05:31:59,671 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 05:31:59,672 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 05:31:59,672 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 05:31:59,672 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 05:31:59,672 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 05:31:59,672 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 05:31:59,672 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 05:31:59,684 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2018-12-02 05:31:59,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 05:31:59,689 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:31:59,690 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:31:59,691 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:31:59,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:31:59,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1147007446, now seen corresponding path program 1 times [2018-12-02 05:31:59,696 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 05:31:59,696 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 05:31:59,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:31:59,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:31:59,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:31:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:31:59,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:31:59,836 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:31:59,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 05:31:59,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 05:31:59,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 05:31:59,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 05:31:59,847 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 2 states. [2018-12-02 05:31:59,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:31:59,872 INFO L93 Difference]: Finished difference Result 300 states and 369 transitions. [2018-12-02 05:31:59,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 05:31:59,873 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-02 05:31:59,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:31:59,880 INFO L225 Difference]: With dead ends: 300 [2018-12-02 05:31:59,880 INFO L226 Difference]: Without dead ends: 150 [2018-12-02 05:31:59,883 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 05:31:59,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-12-02 05:31:59,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-12-02 05:31:59,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-12-02 05:31:59,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 176 transitions. [2018-12-02 05:31:59,916 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 176 transitions. Word has length 46 [2018-12-02 05:31:59,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:31:59,916 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 176 transitions. [2018-12-02 05:31:59,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 05:31:59,916 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 176 transitions. [2018-12-02 05:31:59,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 05:31:59,918 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:31:59,918 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:31:59,918 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:31:59,918 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:31:59,918 INFO L82 PathProgramCache]: Analyzing trace with hash 1325406956, now seen corresponding path program 1 times [2018-12-02 05:31:59,918 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 05:31:59,919 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 05:31:59,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:31:59,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:31:59,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:31:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:31:59,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:31:59,980 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:31:59,980 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 05:31:59,981 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 05:31:59,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 05:31:59,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 05:31:59,981 INFO L87 Difference]: Start difference. First operand 150 states and 176 transitions. Second operand 3 states. [2018-12-02 05:31:59,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:31:59,995 INFO L93 Difference]: Finished difference Result 239 states and 279 transitions. [2018-12-02 05:31:59,996 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 05:31:59,996 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-02 05:31:59,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:31:59,997 INFO L225 Difference]: With dead ends: 239 [2018-12-02 05:31:59,997 INFO L226 Difference]: Without dead ends: 141 [2018-12-02 05:31:59,998 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 05:31:59,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-12-02 05:32:00,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-12-02 05:32:00,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-12-02 05:32:00,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 164 transitions. [2018-12-02 05:32:00,007 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 164 transitions. Word has length 47 [2018-12-02 05:32:00,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:32:00,007 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 164 transitions. [2018-12-02 05:32:00,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 05:32:00,007 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 164 transitions. [2018-12-02 05:32:00,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 05:32:00,008 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:32:00,008 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:32:00,008 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:32:00,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:32:00,008 INFO L82 PathProgramCache]: Analyzing trace with hash -534330577, now seen corresponding path program 1 times [2018-12-02 05:32:00,008 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 05:32:00,009 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 05:32:00,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:32:00,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:32:00,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:32:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:32:00,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:32:00,076 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:32:00,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 05:32:00,076 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 05:32:00,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 05:32:00,077 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 05:32:00,077 INFO L87 Difference]: Start difference. First operand 141 states and 164 transitions. Second operand 7 states. [2018-12-02 05:32:00,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:32:00,342 INFO L93 Difference]: Finished difference Result 425 states and 512 transitions. [2018-12-02 05:32:00,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 05:32:00,342 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-02 05:32:00,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:32:00,344 INFO L225 Difference]: With dead ends: 425 [2018-12-02 05:32:00,344 INFO L226 Difference]: Without dead ends: 308 [2018-12-02 05:32:00,345 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 05:32:00,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2018-12-02 05:32:00,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 296. [2018-12-02 05:32:00,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2018-12-02 05:32:00,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 356 transitions. [2018-12-02 05:32:00,367 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 356 transitions. Word has length 52 [2018-12-02 05:32:00,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:32:00,367 INFO L480 AbstractCegarLoop]: Abstraction has 296 states and 356 transitions. [2018-12-02 05:32:00,367 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 05:32:00,367 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 356 transitions. [2018-12-02 05:32:00,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 05:32:00,369 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:32:00,369 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:32:00,369 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:32:00,369 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:32:00,369 INFO L82 PathProgramCache]: Analyzing trace with hash -408331355, now seen corresponding path program 1 times [2018-12-02 05:32:00,370 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 05:32:00,370 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 05:32:00,370 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:32:00,370 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:32:00,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:32:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:32:00,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:32:00,427 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:32:00,427 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 05:32:00,427 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 05:32:00,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 05:32:00,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 05:32:00,428 INFO L87 Difference]: Start difference. First operand 296 states and 356 transitions. Second operand 6 states. [2018-12-02 05:32:00,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:32:00,564 INFO L93 Difference]: Finished difference Result 825 states and 1016 transitions. [2018-12-02 05:32:00,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 05:32:00,565 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-12-02 05:32:00,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:32:00,567 INFO L225 Difference]: With dead ends: 825 [2018-12-02 05:32:00,567 INFO L226 Difference]: Without dead ends: 553 [2018-12-02 05:32:00,569 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 05:32:00,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 553 states. [2018-12-02 05:32:00,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 553 to 547. [2018-12-02 05:32:00,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 547 states. [2018-12-02 05:32:00,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 547 states and 662 transitions. [2018-12-02 05:32:00,598 INFO L78 Accepts]: Start accepts. Automaton has 547 states and 662 transitions. Word has length 57 [2018-12-02 05:32:00,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:32:00,598 INFO L480 AbstractCegarLoop]: Abstraction has 547 states and 662 transitions. [2018-12-02 05:32:00,599 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 05:32:00,599 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 662 transitions. [2018-12-02 05:32:00,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-02 05:32:00,600 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:32:00,600 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:32:00,601 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:32:00,601 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:32:00,601 INFO L82 PathProgramCache]: Analyzing trace with hash 1423719401, now seen corresponding path program 1 times [2018-12-02 05:32:00,601 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 05:32:00,601 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 05:32:00,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:32:00,602 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:32:00,602 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:32:00,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:32:00,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:32:00,674 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:32:00,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 05:32:00,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 05:32:00,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 05:32:00,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 05:32:00,675 INFO L87 Difference]: Start difference. First operand 547 states and 662 transitions. Second operand 7 states. [2018-12-02 05:32:01,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:32:01,053 INFO L93 Difference]: Finished difference Result 1406 states and 1819 transitions. [2018-12-02 05:32:01,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 05:32:01,054 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-12-02 05:32:01,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:32:01,057 INFO L225 Difference]: With dead ends: 1406 [2018-12-02 05:32:01,057 INFO L226 Difference]: Without dead ends: 883 [2018-12-02 05:32:01,058 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-12-02 05:32:01,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 883 states. [2018-12-02 05:32:01,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 883 to 785. [2018-12-02 05:32:01,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 785 states. [2018-12-02 05:32:01,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 947 transitions. [2018-12-02 05:32:01,092 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 947 transitions. Word has length 61 [2018-12-02 05:32:01,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:32:01,092 INFO L480 AbstractCegarLoop]: Abstraction has 785 states and 947 transitions. [2018-12-02 05:32:01,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 05:32:01,092 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 947 transitions. [2018-12-02 05:32:01,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 05:32:01,094 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:32:01,094 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, 1, 1] [2018-12-02 05:32:01,095 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:32:01,095 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:32:01,095 INFO L82 PathProgramCache]: Analyzing trace with hash -1372644600, now seen corresponding path program 1 times [2018-12-02 05:32:01,095 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 05:32:01,095 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 05:32:01,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:32:01,096 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:32:01,096 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:32:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:32:01,133 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 05:32:01,134 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:32:01,134 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 05:32:01,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 05:32:01,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 05:32:01,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 05:32:01,134 INFO L87 Difference]: Start difference. First operand 785 states and 947 transitions. Second operand 6 states. [2018-12-02 05:32:01,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:32:01,167 INFO L93 Difference]: Finished difference Result 1574 states and 1958 transitions. [2018-12-02 05:32:01,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 05:32:01,167 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-12-02 05:32:01,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:32:01,170 INFO L225 Difference]: With dead ends: 1574 [2018-12-02 05:32:01,170 INFO L226 Difference]: Without dead ends: 813 [2018-12-02 05:32:01,171 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 [2018-12-02 05:32:01,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2018-12-02 05:32:01,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 805. [2018-12-02 05:32:01,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 805 states. [2018-12-02 05:32:01,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 967 transitions. [2018-12-02 05:32:01,196 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 967 transitions. Word has length 99 [2018-12-02 05:32:01,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:32:01,196 INFO L480 AbstractCegarLoop]: Abstraction has 805 states and 967 transitions. [2018-12-02 05:32:01,196 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 05:32:01,196 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 967 transitions. [2018-12-02 05:32:01,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 05:32:01,198 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:32:01,198 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, 1, 1] [2018-12-02 05:32:01,198 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:32:01,198 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:32:01,198 INFO L82 PathProgramCache]: Analyzing trace with hash -479158262, now seen corresponding path program 1 times [2018-12-02 05:32:01,198 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 05:32:01,198 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 05:32:01,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:32:01,199 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:32:01,199 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:32:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:32:01,251 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 05:32:01,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:32:01,251 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 05:32:01,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 05:32:01,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 05:32:01,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 05:32:01,252 INFO L87 Difference]: Start difference. First operand 805 states and 967 transitions. Second operand 8 states. [2018-12-02 05:32:01,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:32:01,283 INFO L93 Difference]: Finished difference Result 1614 states and 1998 transitions. [2018-12-02 05:32:01,284 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 05:32:01,284 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2018-12-02 05:32:01,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:32:01,287 INFO L225 Difference]: With dead ends: 1614 [2018-12-02 05:32:01,287 INFO L226 Difference]: Without dead ends: 833 [2018-12-02 05:32:01,290 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 05:32:01,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 833 states. [2018-12-02 05:32:01,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 833 to 821. [2018-12-02 05:32:01,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 821 states. [2018-12-02 05:32:01,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 821 states to 821 states and 983 transitions. [2018-12-02 05:32:01,325 INFO L78 Accepts]: Start accepts. Automaton has 821 states and 983 transitions. Word has length 99 [2018-12-02 05:32:01,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:32:01,325 INFO L480 AbstractCegarLoop]: Abstraction has 821 states and 983 transitions. [2018-12-02 05:32:01,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 05:32:01,326 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 983 transitions. [2018-12-02 05:32:01,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 05:32:01,327 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:32:01,327 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, 1, 1] [2018-12-02 05:32:01,328 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:32:01,328 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:32:01,328 INFO L82 PathProgramCache]: Analyzing trace with hash -486917621, now seen corresponding path program 1 times [2018-12-02 05:32:01,328 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 05:32:01,328 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 05:32:01,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:32:01,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:32:01,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:32:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:32:01,396 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 05:32:01,396 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:32:01,396 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 05:32:01,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 05:32:01,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 05:32:01,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 05:32:01,397 INFO L87 Difference]: Start difference. First operand 821 states and 983 transitions. Second operand 4 states. [2018-12-02 05:32:01,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:32:01,567 INFO L93 Difference]: Finished difference Result 2603 states and 3266 transitions. [2018-12-02 05:32:01,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 05:32:01,567 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-12-02 05:32:01,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:32:01,574 INFO L225 Difference]: With dead ends: 2603 [2018-12-02 05:32:01,574 INFO L226 Difference]: Without dead ends: 1806 [2018-12-02 05:32:01,577 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 05:32:01,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2018-12-02 05:32:01,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 1775. [2018-12-02 05:32:01,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1775 states. [2018-12-02 05:32:01,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 2179 transitions. [2018-12-02 05:32:01,628 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 2179 transitions. Word has length 99 [2018-12-02 05:32:01,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:32:01,629 INFO L480 AbstractCegarLoop]: Abstraction has 1775 states and 2179 transitions. [2018-12-02 05:32:01,629 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 05:32:01,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2179 transitions. [2018-12-02 05:32:01,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 05:32:01,630 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:32:01,631 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, 1, 1, 1, 1, 1, 1] [2018-12-02 05:32:01,631 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:32:01,631 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:32:01,631 INFO L82 PathProgramCache]: Analyzing trace with hash 379357745, now seen corresponding path program 1 times [2018-12-02 05:32:01,631 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 05:32:01,631 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 05:32:01,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:32:01,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:32:01,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:32:01,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:32:01,706 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 05:32:01,707 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:32:01,707 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c805a95-f6aa-47cb-ac0f-2021e5e70c23/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 [2018-12-02 05:32:01,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:32:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:32:01,793 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 05:32:01,903 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 05:32:01,920 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 05:32:01,920 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-02 05:32:01,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-02 05:32:01,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-02 05:32:01,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-02 05:32:01,921 INFO L87 Difference]: Start difference. First operand 1775 states and 2179 transitions. Second operand 19 states. [2018-12-02 05:32:02,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:32:02,591 INFO L93 Difference]: Finished difference Result 3496 states and 4338 transitions. [2018-12-02 05:32:02,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-02 05:32:02,592 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 103 [2018-12-02 05:32:02,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:32:02,596 INFO L225 Difference]: With dead ends: 3496 [2018-12-02 05:32:02,596 INFO L226 Difference]: Without dead ends: 1745 [2018-12-02 05:32:02,599 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 98 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-02 05:32:02,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1745 states. [2018-12-02 05:32:02,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1745 to 1745. [2018-12-02 05:32:02,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1745 states. [2018-12-02 05:32:02,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1745 states and 2097 transitions. [2018-12-02 05:32:02,654 INFO L78 Accepts]: Start accepts. Automaton has 1745 states and 2097 transitions. Word has length 103 [2018-12-02 05:32:02,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:32:02,654 INFO L480 AbstractCegarLoop]: Abstraction has 1745 states and 2097 transitions. [2018-12-02 05:32:02,655 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-02 05:32:02,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2097 transitions. [2018-12-02 05:32:02,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-02 05:32:02,658 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:32:02,658 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:32:02,658 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:32:02,659 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:32:02,659 INFO L82 PathProgramCache]: Analyzing trace with hash -1519281085, now seen corresponding path program 1 times [2018-12-02 05:32:02,659 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 05:32:02,659 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 05:32:02,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:32:02,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:32:02,660 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:32:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:32:02,720 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-02 05:32:02,720 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:32:02,720 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c805a95-f6aa-47cb-ac0f-2021e5e70c23/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 [2018-12-02 05:32:02,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:32:02,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:32:02,810 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 05:32:02,830 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 05:32:02,851 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 05:32:02,851 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2018-12-02 05:32:02,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 05:32:02,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 05:32:02,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-02 05:32:02,852 INFO L87 Difference]: Start difference. First operand 1745 states and 2097 transitions. Second operand 6 states. [2018-12-02 05:32:03,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:32:03,386 INFO L93 Difference]: Finished difference Result 4005 states and 5081 transitions. [2018-12-02 05:32:03,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 05:32:03,386 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 161 [2018-12-02 05:32:03,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:32:03,392 INFO L225 Difference]: With dead ends: 4005 [2018-12-02 05:32:03,393 INFO L226 Difference]: Without dead ends: 2608 [2018-12-02 05:32:03,395 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-12-02 05:32:03,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2608 states. [2018-12-02 05:32:03,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2608 to 2271. [2018-12-02 05:32:03,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2271 states. [2018-12-02 05:32:03,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2271 states to 2271 states and 2745 transitions. [2018-12-02 05:32:03,472 INFO L78 Accepts]: Start accepts. Automaton has 2271 states and 2745 transitions. Word has length 161 [2018-12-02 05:32:03,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:32:03,472 INFO L480 AbstractCegarLoop]: Abstraction has 2271 states and 2745 transitions. [2018-12-02 05:32:03,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 05:32:03,472 INFO L276 IsEmpty]: Start isEmpty. Operand 2271 states and 2745 transitions. [2018-12-02 05:32:03,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-02 05:32:03,475 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:32:03,475 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:32:03,475 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:32:03,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:32:03,476 INFO L82 PathProgramCache]: Analyzing trace with hash 788815529, now seen corresponding path program 1 times [2018-12-02 05:32:03,476 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 05:32:03,476 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 05:32:03,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:32:03,476 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:32:03,476 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:32:03,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:32:03,557 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-02 05:32:03,557 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 05:32:03,557 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6c805a95-f6aa-47cb-ac0f-2021e5e70c23/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 [2018-12-02 05:32:03,565 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:32:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:32:03,641 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 05:32:03,712 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 05:32:03,737 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 05:32:03,737 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 14 [2018-12-02 05:32:03,737 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-02 05:32:03,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-02 05:32:03,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-12-02 05:32:03,738 INFO L87 Difference]: Start difference. First operand 2271 states and 2745 transitions. Second operand 14 states. [2018-12-02 05:32:04,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:32:04,905 INFO L93 Difference]: Finished difference Result 6414 states and 8557 transitions. [2018-12-02 05:32:04,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-02 05:32:04,906 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 157 [2018-12-02 05:32:04,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:32:04,917 INFO L225 Difference]: With dead ends: 6414 [2018-12-02 05:32:04,917 INFO L226 Difference]: Without dead ends: 4503 [2018-12-02 05:32:04,922 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=557, Unknown=0, NotChecked=0, Total=702 [2018-12-02 05:32:04,924 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4503 states. [2018-12-02 05:32:05,035 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4503 to 3683. [2018-12-02 05:32:05,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3683 states. [2018-12-02 05:32:05,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3683 states to 3683 states and 4415 transitions. [2018-12-02 05:32:05,041 INFO L78 Accepts]: Start accepts. Automaton has 3683 states and 4415 transitions. Word has length 157 [2018-12-02 05:32:05,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:32:05,041 INFO L480 AbstractCegarLoop]: Abstraction has 3683 states and 4415 transitions. [2018-12-02 05:32:05,042 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-02 05:32:05,042 INFO L276 IsEmpty]: Start isEmpty. Operand 3683 states and 4415 transitions. [2018-12-02 05:32:05,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-02 05:32:05,044 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 05:32:05,044 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 05:32:05,045 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 05:32:05,045 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 05:32:05,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1063575143, now seen corresponding path program 1 times [2018-12-02 05:32:05,045 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 05:32:05,045 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 05:32:05,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:32:05,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 05:32:05,046 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 05:32:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 05:32:05,107 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 05:32:05,107 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 05:32:05,107 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-02 05:32:05,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 05:32:05,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 05:32:05,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-02 05:32:05,108 INFO L87 Difference]: Start difference. First operand 3683 states and 4415 transitions. Second operand 9 states. [2018-12-02 05:32:05,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 05:32:05,189 INFO L93 Difference]: Finished difference Result 4723 states and 5659 transitions. [2018-12-02 05:32:05,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-02 05:32:05,189 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2018-12-02 05:32:05,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 05:32:05,190 INFO L225 Difference]: With dead ends: 4723 [2018-12-02 05:32:05,190 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 05:32:05,198 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-02 05:32:05,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 05:32:05,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 05:32:05,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 05:32:05,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 05:32:05,199 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2018-12-02 05:32:05,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 05:32:05,199 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 05:32:05,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 05:32:05,199 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 05:32:05,199 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 05:32:05,203 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 05:32:05,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,290 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,336 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,667 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,683 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,706 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,741 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,742 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,754 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,759 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,760 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,934 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,936 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:05,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 05:32:06,385 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 28 [2018-12-02 05:32:06,634 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 35 [2018-12-02 05:32:06,869 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 32 [2018-12-02 05:32:07,078 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 45 [2018-12-02 05:32:08,318 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 34 [2018-12-02 05:32:08,547 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 985 991) the Hoare annotation is: true [2018-12-02 05:32:08,547 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 985 991) no Hoare annotation was computed. [2018-12-02 05:32:08,547 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 992 1000) no Hoare annotation was computed. [2018-12-02 05:32:08,547 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 992 1000) the Hoare annotation is: true [2018-12-02 05:32:08,547 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 992 1000) no Hoare annotation was computed. [2018-12-02 05:32:08,547 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-12-02 05:32:08,547 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-12-02 05:32:08,547 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 05:32:08,547 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 05:32:08,547 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 05:32:08,547 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 05:32:08,547 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-12-02 05:32:08,547 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-12-02 05:32:08,547 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 05:32:08,548 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 05:32:08,548 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-12-02 05:32:08,548 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 943 957) no Hoare annotation was computed. [2018-12-02 05:32:08,548 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 943 957) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (= |old(~systemActive~0)| 0)) (.cse2 (< ~waterLevel~0 2)) (.cse3 (and (not (= ~systemActive~0 0)) .cse5)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (or (or .cse0 .cse1) .cse2) .cse3) (or .cse4 .cse5 .cse6 .cse2) (or (or .cse4 .cse0 .cse2) .cse3) (or .cse5 (or .cse4 .cse6 (not (= ~waterLevel~0 1)))) (or .cse5 .cse6 (< ~waterLevel~0 1) .cse1)))) [2018-12-02 05:32:08,548 INFO L444 ceAbstractionStarter]: At program point L949(line 949) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| 0)) (.cse3 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse6 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< ~waterLevel~0 2))) (and (or (or (or .cse0 .cse1) .cse2) .cse3) (or (or .cse4 .cse0 .cse2) .cse3) (or .cse4 .cse5 .cse6) (or .cse5 .cse6 .cse1) (or .cse5 .cse2 .cse1) (or .cse4 .cse5 .cse2))) [2018-12-02 05:32:08,548 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 943 957) no Hoare annotation was computed. [2018-12-02 05:32:08,548 INFO L448 ceAbstractionStarter]: For program point L947(lines 947 953) no Hoare annotation was computed. [2018-12-02 05:32:08,548 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 860 868) no Hoare annotation was computed. [2018-12-02 05:32:08,548 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 860 868) the Hoare annotation is: true [2018-12-02 05:32:08,548 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 860 868) no Hoare annotation was computed. [2018-12-02 05:32:08,548 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 924 942) the Hoare annotation is: true [2018-12-02 05:32:08,548 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 924 942) no Hoare annotation was computed. [2018-12-02 05:32:08,548 INFO L448 ceAbstractionStarter]: For program point L933(lines 933 937) no Hoare annotation was computed. [2018-12-02 05:32:08,548 INFO L451 ceAbstractionStarter]: At program point L931(line 931) the Hoare annotation is: true [2018-12-02 05:32:08,548 INFO L448 ceAbstractionStarter]: For program point L933-2(lines 933 937) no Hoare annotation was computed. [2018-12-02 05:32:08,548 INFO L448 ceAbstractionStarter]: For program point L931-1(line 931) no Hoare annotation was computed. [2018-12-02 05:32:08,548 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 924 942) no Hoare annotation was computed. [2018-12-02 05:32:08,548 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 978 984) no Hoare annotation was computed. [2018-12-02 05:32:08,548 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 978 984) the Hoare annotation is: true [2018-12-02 05:32:08,549 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 05:32:08,549 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-12-02 05:32:08,549 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-12-02 05:32:08,549 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 849 859) the Hoare annotation is: true [2018-12-02 05:32:08,549 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 849 859) no Hoare annotation was computed. [2018-12-02 05:32:08,549 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 849 859) no Hoare annotation was computed. [2018-12-02 05:32:08,549 INFO L451 ceAbstractionStarter]: At program point L854(line 854) the Hoare annotation is: true [2018-12-02 05:32:08,549 INFO L448 ceAbstractionStarter]: For program point L854-1(line 854) no Hoare annotation was computed. [2018-12-02 05:32:08,549 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 841 848) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 .cse1))) [2018-12-02 05:32:08,549 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 841 848) no Hoare annotation was computed. [2018-12-02 05:32:08,549 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 841 848) no Hoare annotation was computed. [2018-12-02 05:32:08,549 INFO L444 ceAbstractionStarter]: At program point L800(line 800) the Hoare annotation is: (let ((.cse0 (and (= processEnvironment_~tmp~7 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse3 .cse0 .cse4) (or .cse5 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse3))) [2018-12-02 05:32:08,549 INFO L448 ceAbstractionStarter]: For program point L798(lines 798 806) no Hoare annotation was computed. [2018-12-02 05:32:08,549 INFO L444 ceAbstractionStarter]: At program point L796(line 796) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse5 .cse3) (or .cse4 .cse5 .cse1 .cse2))) [2018-12-02 05:32:08,549 INFO L448 ceAbstractionStarter]: For program point L796-1(line 796) no Hoare annotation was computed. [2018-12-02 05:32:08,549 INFO L448 ceAbstractionStarter]: For program point L794(lines 794 811) no Hoare annotation was computed. [2018-12-02 05:32:08,549 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 790 814) no Hoare annotation was computed. [2018-12-02 05:32:08,550 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 790 814) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 .cse1))) [2018-12-02 05:32:08,550 INFO L444 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1)) (.cse1 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse2 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 05:32:08,550 INFO L448 ceAbstractionStarter]: For program point L809-1(lines 790 814) no Hoare annotation was computed. [2018-12-02 05:32:08,550 INFO L444 ceAbstractionStarter]: At program point L804(line 804) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (< ~waterLevel~0 1))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 05:32:08,550 INFO L448 ceAbstractionStarter]: For program point L233(lines 233 239) no Hoare annotation was computed. [2018-12-02 05:32:08,550 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 229 242) no Hoare annotation was computed. [2018-12-02 05:32:08,550 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 229 242) the Hoare annotation is: true [2018-12-02 05:32:08,550 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 229 242) no Hoare annotation was computed. [2018-12-02 05:32:08,550 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 756 762) no Hoare annotation was computed. [2018-12-02 05:32:08,550 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 756 762) the Hoare annotation is: true [2018-12-02 05:32:08,550 INFO L444 ceAbstractionStarter]: At program point L706-1(lines 698 713) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= 1 ~waterLevel~0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 0))) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse4 .cse5 .cse6 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse5 .cse3) (and .cse1 .cse2 .cse6 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 05:32:08,550 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 658 725) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 05:32:08,550 INFO L448 ceAbstractionStarter]: For program point L669(lines 668 717) no Hoare annotation was computed. [2018-12-02 05:32:08,550 INFO L444 ceAbstractionStarter]: At program point L700(line 700) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= 1 ~waterLevel~0)) (.cse4 (= ~methaneLevelCritical~0 1)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse1 .cse2 .cse4 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 .cse4 .cse3) (and .cse0 .cse5 .cse3))) [2018-12-02 05:32:08,550 INFO L448 ceAbstractionStarter]: For program point L698(lines 698 713) no Hoare annotation was computed. [2018-12-02 05:32:08,550 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 658 725) no Hoare annotation was computed. [2018-12-02 05:32:08,550 INFO L444 ceAbstractionStarter]: At program point L690(line 690) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (and .cse2 .cse3 (= ~methaneLevelCritical~0 1) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse2 .cse3 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 05:32:08,550 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 694) no Hoare annotation was computed. [2018-12-02 05:32:08,551 INFO L448 ceAbstractionStarter]: For program point L688-1(lines 688 694) no Hoare annotation was computed. [2018-12-02 05:32:08,551 INFO L444 ceAbstractionStarter]: At program point L715(lines 668 717) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse3 (<= 2 ~waterLevel~0) (not (= ~systemActive~0 0)) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 05:32:08,551 INFO L444 ceAbstractionStarter]: At program point L680(line 680) the Hoare annotation is: (let ((.cse3 (<= 2 ~waterLevel~0)) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 (<= 1 ~waterLevel~0) (= ~methaneLevelCritical~0 1) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 .cse0 (= ~waterLevel~0 |old(~waterLevel~0)|) .cse1) (and .cse2 .cse3 (not (= ~systemActive~0 0)) .cse1) (and .cse3 (and .cse2 .cse0 .cse1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-02 05:32:08,551 INFO L448 ceAbstractionStarter]: For program point L678(lines 678 684) no Hoare annotation was computed. [2018-12-02 05:32:08,551 INFO L448 ceAbstractionStarter]: For program point L678-1(lines 678 684) no Hoare annotation was computed. [2018-12-02 05:32:08,551 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 674) no Hoare annotation was computed. [2018-12-02 05:32:08,551 INFO L444 ceAbstractionStarter]: At program point L718(lines 667 719) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 05:32:08,551 INFO L444 ceAbstractionStarter]: At program point L708(line 708) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse5 (<= 2 ~waterLevel~0)) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse6 (not (= ~systemActive~0 0))) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~pumpRunning~0)|)) (and .cse4 .cse0 .cse1 .cse3) (and .cse5 .cse6 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse5 (and .cse4 .cse6 .cse3)))) [2018-12-02 05:32:08,551 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 658 725) no Hoare annotation was computed. [2018-12-02 05:32:08,551 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 712) no Hoare annotation was computed. [2018-12-02 05:32:08,551 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 815 822) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= ~systemActive~0 0) (< ~waterLevel~0 2) (not (= ~methaneLevelCritical~0 0))) [2018-12-02 05:32:08,551 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 815 822) no Hoare annotation was computed. [2018-12-02 05:32:08,551 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 815 822) no Hoare annotation was computed. [2018-12-02 05:32:08,551 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 243 251) no Hoare annotation was computed. [2018-12-02 05:32:08,551 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 243 251) the Hoare annotation is: true [2018-12-02 05:32:08,551 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 243 251) no Hoare annotation was computed. [2018-12-02 05:32:08,551 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 05:32:08,551 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 05:32:08,551 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 05:32:08,552 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 837) no Hoare annotation was computed. [2018-12-02 05:32:08,552 INFO L444 ceAbstractionStarter]: At program point L829(line 829) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 05:32:08,552 INFO L448 ceAbstractionStarter]: For program point L829-1(line 829) no Hoare annotation was computed. [2018-12-02 05:32:08,552 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 824 840) no Hoare annotation was computed. [2018-12-02 05:32:08,552 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 824 840) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse3 (< ~waterLevel~0 2))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 05:32:08,552 INFO L444 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 2))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (and (= activatePump_~tmp~8 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-02 05:32:08,552 INFO L448 ceAbstractionStarter]: For program point L835-1(lines 824 840) no Hoare annotation was computed. [2018-12-02 05:32:08,552 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 905 923) no Hoare annotation was computed. [2018-12-02 05:32:08,552 INFO L451 ceAbstractionStarter]: At program point L912(line 912) the Hoare annotation is: true [2018-12-02 05:32:08,552 INFO L448 ceAbstractionStarter]: For program point L914-2(lines 914 918) no Hoare annotation was computed. [2018-12-02 05:32:08,552 INFO L448 ceAbstractionStarter]: For program point L912-1(line 912) no Hoare annotation was computed. [2018-12-02 05:32:08,552 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 905 923) the Hoare annotation is: true [2018-12-02 05:32:08,552 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 905 923) no Hoare annotation was computed. [2018-12-02 05:32:08,552 INFO L448 ceAbstractionStarter]: For program point L914(lines 914 918) no Hoare annotation was computed. [2018-12-02 05:32:08,552 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 176 187) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (< ~waterLevel~0 2)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (= 0 ~methaneLevelCritical~0))) (and (or (= ~methaneLevelCritical~0 1) (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (< ~waterLevel~0 1)) (or (or .cse0 (not (= ~waterLevel~0 1)) .cse1) .cse2) (or .cse2 (or .cse0 .cse3 .cse1)) (or (or (= ~systemActive~0 0) .cse3 .cse1) .cse2))) [2018-12-02 05:32:08,552 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 176 187) no Hoare annotation was computed. [2018-12-02 05:32:08,552 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 176 187) no Hoare annotation was computed. [2018-12-02 05:32:08,552 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 188 196) the Hoare annotation is: true [2018-12-02 05:32:08,552 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 188 196) no Hoare annotation was computed. [2018-12-02 05:32:08,552 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 188 196) no Hoare annotation was computed. [2018-12-02 05:32:08,553 INFO L448 ceAbstractionStarter]: For program point L736(lines 735 754) no Hoare annotation was computed. [2018-12-02 05:32:08,553 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 732 755) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~systemActive~0 0)) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 (< |old(~waterLevel~0)| 1)) (or (or .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3) .cse0) (or (or .cse1 .cse4 .cse5) .cse0) (or (or .cse4 .cse5 .cse3) .cse0) (or .cse0 (or .cse2 .cse5 .cse3)))) [2018-12-02 05:32:08,553 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 732 755) no Hoare annotation was computed. [2018-12-02 05:32:08,553 INFO L444 ceAbstractionStarter]: At program point L745(line 745) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 0)) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse3 (< |old(~waterLevel~0)| 2)) (.cse0 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse8)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< |old(~waterLevel~0)| 1)) (.cse6 (and (not .cse2) (= ~waterLevel~0 |old(~waterLevel~0)|) .cse8)) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or (or .cse2 .cse3 .cse4) .cse0) (or .cse1 .cse5 .cse6 .cse7) (or .cse5 .cse7 .cse6 .cse4)))) [2018-12-02 05:32:08,553 INFO L444 ceAbstractionStarter]: At program point L743(lines 743 749) the Hoare annotation is: (let ((.cse9 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse7 (= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse3 (and .cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse6 (= ~systemActive~0 0)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse8 (and (= 0 ~pumpRunning~0) .cse9))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or (or .cse1 .cse4 .cse5) .cse3) (or (and (not .cse6) .cse7) .cse3 (or .cse1 .cse2 .cse5)) (or .cse8 (or .cse0 .cse6 .cse2)) (or .cse3 (or .cse0 .cse1 .cse4)) (or (or .cse6 .cse2 .cse5) (and (not (= ~waterLevel~0 1)) .cse9) .cse8)))) [2018-12-02 05:32:08,553 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 732 755) no Hoare annotation was computed. [2018-12-02 05:32:08,553 INFO L444 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (< |old(~waterLevel~0)| 1)) (.cse1 (= ~systemActive~0 0)) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)))) (and (or (or .cse0 .cse1 .cse2) .cse3) (or .cse0 .cse4 .cse5) (or (or .cse4 .cse6) .cse5) (or (or .cse1 .cse2 .cse6) .cse3))) [2018-12-02 05:32:08,553 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-12-02 05:32:08,553 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-02 05:32:08,553 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-12-02 05:32:08,553 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-12-02 05:32:08,553 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-12-02 05:32:08,553 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-12-02 05:32:08,553 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-12-02 05:32:08,553 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-12-02 05:32:08,553 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-12-02 05:32:08,553 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-12-02 05:32:08,554 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 152 163) the Hoare annotation is: (let ((.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse2 .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 05:32:08,554 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 152 163) no Hoare annotation was computed. [2018-12-02 05:32:08,554 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 152 163) no Hoare annotation was computed. [2018-12-02 05:32:08,554 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-12-02 05:32:08,554 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-12-02 05:32:08,554 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 05:32:08,554 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-12-02 05:32:08,554 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 05:32:08,554 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 05:32:08,554 INFO L448 ceAbstractionStarter]: For program point L770-1(line 770) no Hoare annotation was computed. [2018-12-02 05:32:08,554 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 764 788) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (or .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1)))) (or .cse2 .cse3 (< ~waterLevel~0 1) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (or .cse1 .cse2 .cse3 (< ~waterLevel~0 2)) .cse0))) [2018-12-02 05:32:08,554 INFO L448 ceAbstractionStarter]: For program point L768(lines 768 785) no Hoare annotation was computed. [2018-12-02 05:32:08,554 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 764 788) no Hoare annotation was computed. [2018-12-02 05:32:08,554 INFO L444 ceAbstractionStarter]: At program point L783(line 783) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (< ~waterLevel~0 1))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-02 05:32:08,554 INFO L448 ceAbstractionStarter]: For program point L783-1(lines 764 788) no Hoare annotation was computed. [2018-12-02 05:32:08,554 INFO L444 ceAbstractionStarter]: At program point L778(line 778) the Hoare annotation is: (let ((.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) .cse3) (or .cse3 (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (< ~waterLevel~0 1)) (or .cse3 (or .cse0 .cse1 .cse2 (< ~waterLevel~0 2))))) [2018-12-02 05:32:08,554 INFO L444 ceAbstractionStarter]: At program point L774(line 774) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 (and (<= 2 ~waterLevel~0) .cse3) .cse1 (< ~waterLevel~0 1)) (or .cse3 (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2)))) [2018-12-02 05:32:08,554 INFO L448 ceAbstractionStarter]: For program point L772(lines 772 780) no Hoare annotation was computed. [2018-12-02 05:32:08,554 INFO L444 ceAbstractionStarter]: At program point L770(line 770) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (or .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1)))) (or .cse2 .cse3 (< ~waterLevel~0 1) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (or .cse1 .cse2 .cse3 (< ~waterLevel~0 2)) .cse0))) [2018-12-02 05:32:08,555 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 958 965) no Hoare annotation was computed. [2018-12-02 05:32:08,555 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 958 965) the Hoare annotation is: true [2018-12-02 05:32:08,555 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 958 965) no Hoare annotation was computed. [2018-12-02 05:32:08,555 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 164 175) no Hoare annotation was computed. [2018-12-02 05:32:08,555 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 164 175) no Hoare annotation was computed. [2018-12-02 05:32:08,555 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 164 175) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (not (= ~methaneLevelCritical~0 1)) (< |old(~waterLevel~0)| 1) .cse2) (or (or .cse2 (not (= |old(~waterLevel~0)| 1)) .cse3) .cse0) (or .cse0 .cse1 (= ~systemActive~0 0) .cse3))) [2018-12-02 05:32:08,555 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 647 654) no Hoare annotation was computed. [2018-12-02 05:32:08,555 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 651) no Hoare annotation was computed. [2018-12-02 05:32:08,555 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 647 654) the Hoare annotation is: true [2018-12-02 05:32:08,555 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 647 654) no Hoare annotation was computed. [2018-12-02 05:32:08,555 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 255 279) the Hoare annotation is: true [2018-12-02 05:32:08,555 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 255 279) no Hoare annotation was computed. [2018-12-02 05:32:08,555 INFO L444 ceAbstractionStarter]: At program point L269(line 269) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 0))) (.cse2 (< ~waterLevel~0 1))) (and (or (= ~systemActive~0 0) (< ~waterLevel~0 2) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse2) (or (or .cse1 .cse0) .cse2))) [2018-12-02 05:32:08,555 INFO L448 ceAbstractionStarter]: For program point L267(lines 267 273) no Hoare annotation was computed. [2018-12-02 05:32:08,555 INFO L444 ceAbstractionStarter]: At program point L265(line 265) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) (< ~waterLevel~0 2) .cse0) (or (or (not (= 0 ~pumpRunning~0)) .cse0) (< ~waterLevel~0 1)))) [2018-12-02 05:32:08,555 INFO L448 ceAbstractionStarter]: For program point L265-1(line 265) no Hoare annotation was computed. [2018-12-02 05:32:08,555 INFO L448 ceAbstractionStarter]: For program point L263(lines 263 276) no Hoare annotation was computed. [2018-12-02 05:32:08,555 INFO L448 ceAbstractionStarter]: For program point L263-1(lines 255 279) no Hoare annotation was computed. [2018-12-02 05:32:08,555 INFO L451 ceAbstractionStarter]: At program point L261(line 261) the Hoare annotation is: true [2018-12-02 05:32:08,555 INFO L448 ceAbstractionStarter]: For program point L261-1(line 261) no Hoare annotation was computed. [2018-12-02 05:32:08,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:32:08 BoogieIcfgContainer [2018-12-02 05:32:08,564 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 05:32:08,564 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 05:32:08,564 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 05:32:08,564 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 05:32:08,565 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:31:59" (3/4) ... [2018-12-02 05:32:08,567 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 05:32:08,571 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 05:32:08,571 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 05:32:08,571 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 05:32:08,571 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-02 05:32:08,571 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 05:32:08,571 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-02 05:32:08,571 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 05:32:08,571 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 05:32:08,571 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 05:32:08,571 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 05:32:08,571 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 05:32:08,571 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 05:32:08,571 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 05:32:08,571 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 05:32:08,571 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-02 05:32:08,571 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-02 05:32:08,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 05:32:08,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 05:32:08,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 05:32:08,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 05:32:08,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 05:32:08,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 05:32:08,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 05:32:08,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 05:32:08,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 05:32:08,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-02 05:32:08,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-02 05:32:08,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 05:32:08,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 05:32:08,572 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-02 05:32:08,577 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-02 05:32:08,577 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-02 05:32:08,577 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-02 05:32:08,577 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 05:32:08,578 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 05:32:08,578 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 05:32:08,595 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(systemActive) == 1) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 05:32:08,595 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 05:32:08,618 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6c805a95-f6aa-47cb-ac0f-2021e5e70c23/bin-2019/uautomizer/witness.graphml [2018-12-02 05:32:08,619 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 05:32:08,619 INFO L168 Benchmark]: Toolchain (without parser) took 9649.81 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 469.8 MB). Free memory was 951.7 MB in the beginning and 1.3 GB in the end (delta: -303.9 MB). Peak memory consumption was 165.9 MB. Max. memory is 11.5 GB. [2018-12-02 05:32:08,619 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 05:32:08,620 INFO L168 Benchmark]: CACSL2BoogieTranslator took 296.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -136.7 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. [2018-12-02 05:32:08,620 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 05:32:08,620 INFO L168 Benchmark]: Boogie Preprocessor took 21.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 05:32:08,620 INFO L168 Benchmark]: RCFGBuilder took 317.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. [2018-12-02 05:32:08,620 INFO L168 Benchmark]: TraceAbstraction took 8934.41 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 370.7 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -235.2 MB). Peak memory consumption was 509.4 MB. Max. memory is 11.5 GB. [2018-12-02 05:32:08,620 INFO L168 Benchmark]: Witness Printer took 54.61 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-12-02 05:32:08,621 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 296.69 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.1 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -136.7 MB). Peak memory consumption was 26.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.72 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.82 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 317.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8934.41 ms. Allocated memory was 1.1 GB in the beginning and 1.5 GB in the end (delta: 370.7 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -235.2 MB). Peak memory consumption was 509.4 MB. Max. memory is 11.5 GB. * Witness Printer took 54.61 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 651]: 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: 667]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 668]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || (((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && splverifierCounter == 0)) || (((0 == methaneLevelCritical && 2 <= waterLevel) && !(systemActive == 0)) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || (((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 163 locations, 1 error locations. SAFE Result, 8.8s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 3.6s AutomataDifference, 0.0s DeadEndRemovalTime, 3.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2506 SDtfs, 2736 SDslu, 7477 SDs, 0 SdLazy, 4374 SolverSat, 1353 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 574 GetRequests, 461 SyntacticMatches, 2 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 311 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3683occurred 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: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 1324 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 68 LocationsWithAnnotation, 5366 PreInvPairs, 5590 NumberOfFragments, 2212 HoareAnnotationTreeSize, 5366 FomulaSimplifications, 21644 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 68 FomulaSimplificationsInter, 24820 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1559 NumberOfCodeBlocks, 1559 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1544 ConstructedInterpolants, 0 QuantifiedInterpolants, 300826 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2536 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 188/198 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...