./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product64_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_b2294e52-43dd-40bc-9e8e-8544db54b408/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b2294e52-43dd-40bc-9e8e-8544db54b408/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b2294e52-43dd-40bc-9e8e-8544db54b408/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b2294e52-43dd-40bc-9e8e-8544db54b408/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product64_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b2294e52-43dd-40bc-9e8e-8544db54b408/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b2294e52-43dd-40bc-9e8e-8544db54b408/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 f1df426416c0b8e66bfd1bb2b307ec8233b9df30 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 16:28:34,297 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 16:28:34,298 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 16:28:34,305 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 16:28:34,306 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 16:28:34,306 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 16:28:34,307 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 16:28:34,307 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 16:28:34,308 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 16:28:34,309 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 16:28:34,309 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 16:28:34,309 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 16:28:34,310 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 16:28:34,310 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 16:28:34,311 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 16:28:34,311 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 16:28:34,311 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 16:28:34,313 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 16:28:34,314 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 16:28:34,314 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 16:28:34,315 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 16:28:34,316 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 16:28:34,318 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 16:28:34,318 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 16:28:34,318 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 16:28:34,318 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 16:28:34,319 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 16:28:34,319 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 16:28:34,320 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 16:28:34,320 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 16:28:34,320 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 16:28:34,321 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 16:28:34,321 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 16:28:34,321 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 16:28:34,321 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 16:28:34,322 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 16:28:34,322 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b2294e52-43dd-40bc-9e8e-8544db54b408/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-01 16:28:34,331 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 16:28:34,332 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 16:28:34,332 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 16:28:34,332 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 16:28:34,333 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 16:28:34,333 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 16:28:34,333 INFO L133 SettingsManager]: * Use SBE=true [2018-12-01 16:28:34,333 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 16:28:34,334 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 16:28:34,334 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 16:28:34,334 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 16:28:34,334 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 16:28:34,334 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 16:28:34,334 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 16:28:34,334 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 16:28:34,335 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 16:28:34,335 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 16:28:34,335 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 16:28:34,335 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 16:28:34,335 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 16:28:34,335 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 16:28:34,336 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 16:28:34,336 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 16:28:34,336 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 16:28:34,336 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 16:28:34,336 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 16:28:34,336 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 16:28:34,336 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-01 16:28:34,337 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 16:28:34,337 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 16:28:34,337 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_b2294e52-43dd-40bc-9e8e-8544db54b408/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 -> f1df426416c0b8e66bfd1bb2b307ec8233b9df30 [2018-12-01 16:28:34,357 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 16:28:34,365 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 16:28:34,368 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 16:28:34,369 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 16:28:34,369 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 16:28:34,370 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b2294e52-43dd-40bc-9e8e-8544db54b408/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product64_true-unreach-call_false-termination.cil.c [2018-12-01 16:28:34,410 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b2294e52-43dd-40bc-9e8e-8544db54b408/bin-2019/uautomizer/data/da239efc0/2c130ee8bbdd4423bfab4ce8e35918ab/FLAGe6202090f [2018-12-01 16:28:34,738 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 16:28:34,739 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b2294e52-43dd-40bc-9e8e-8544db54b408/sv-benchmarks/c/product-lines/minepump_spec1_product64_true-unreach-call_false-termination.cil.c [2018-12-01 16:28:34,746 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b2294e52-43dd-40bc-9e8e-8544db54b408/bin-2019/uautomizer/data/da239efc0/2c130ee8bbdd4423bfab4ce8e35918ab/FLAGe6202090f [2018-12-01 16:28:35,140 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b2294e52-43dd-40bc-9e8e-8544db54b408/bin-2019/uautomizer/data/da239efc0/2c130ee8bbdd4423bfab4ce8e35918ab [2018-12-01 16:28:35,143 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 16:28:35,144 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 16:28:35,145 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 16:28:35,145 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 16:28:35,148 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 16:28:35,148 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:28:35" (1/1) ... [2018-12-01 16:28:35,151 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c1a3593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:35, skipping insertion in model container [2018-12-01 16:28:35,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:28:35" (1/1) ... [2018-12-01 16:28:35,155 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 16:28:35,177 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 16:28:35,325 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:28:35,369 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 16:28:35,409 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:28:35,425 INFO L195 MainTranslator]: Completed translation [2018-12-01 16:28:35,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:35 WrapperNode [2018-12-01 16:28:35,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 16:28:35,426 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 16:28:35,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 16:28:35,426 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 16:28:35,431 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:35" (1/1) ... [2018-12-01 16:28:35,441 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:35" (1/1) ... [2018-12-01 16:28:35,446 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 16:28:35,446 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 16:28:35,446 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 16:28:35,446 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 16:28:35,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:35" (1/1) ... [2018-12-01 16:28:35,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:35" (1/1) ... [2018-12-01 16:28:35,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:35" (1/1) ... [2018-12-01 16:28:35,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:35" (1/1) ... [2018-12-01 16:28:35,461 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:35" (1/1) ... [2018-12-01 16:28:35,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:35" (1/1) ... [2018-12-01 16:28:35,466 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:35" (1/1) ... [2018-12-01 16:28:35,468 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 16:28:35,468 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 16:28:35,468 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 16:28:35,469 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 16:28:35,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2294e52-43dd-40bc-9e8e-8544db54b408/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 [2018-12-01 16:28:35,500 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-01 16:28:35,500 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-01 16:28:35,500 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 16:28:35,500 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 16:28:35,500 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-01 16:28:35,501 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-01 16:28:35,501 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-01 16:28:35,501 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-01 16:28:35,501 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-01 16:28:35,501 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-01 16:28:35,501 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-01 16:28:35,501 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-01 16:28:35,501 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-01 16:28:35,501 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-01 16:28:35,501 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-01 16:28:35,501 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-01 16:28:35,501 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-01 16:28:35,501 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-01 16:28:35,501 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-01 16:28:35,502 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-01 16:28:35,502 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-01 16:28:35,502 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-01 16:28:35,502 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-01 16:28:35,502 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-01 16:28:35,502 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-01 16:28:35,502 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-01 16:28:35,502 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-01 16:28:35,502 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-01 16:28:35,502 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-01 16:28:35,502 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-01 16:28:35,502 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-01 16:28:35,502 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-01 16:28:35,502 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-01 16:28:35,502 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-01 16:28:35,503 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-01 16:28:35,503 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-01 16:28:35,503 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-01 16:28:35,503 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 16:28:35,503 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 16:28:35,503 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-01 16:28:35,503 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-01 16:28:35,503 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-01 16:28:35,503 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-01 16:28:35,503 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-01 16:28:35,503 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-01 16:28:35,503 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-01 16:28:35,503 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-01 16:28:35,503 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-01 16:28:35,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-01 16:28:35,504 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-01 16:28:35,504 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-01 16:28:35,504 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-01 16:28:35,504 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-01 16:28:35,504 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-01 16:28:35,504 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-01 16:28:35,504 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-01 16:28:35,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 16:28:35,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 16:28:35,504 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-01 16:28:35,504 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-01 16:28:35,504 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-01 16:28:35,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-01 16:28:35,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 16:28:35,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 16:28:35,504 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-12-01 16:28:35,504 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-12-01 16:28:35,795 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 16:28:35,795 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-01 16:28:35,796 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:28:35 BoogieIcfgContainer [2018-12-01 16:28:35,796 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 16:28:35,796 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 16:28:35,796 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 16:28:35,798 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 16:28:35,798 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 04:28:35" (1/3) ... [2018-12-01 16:28:35,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5303da21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 04:28:35, skipping insertion in model container [2018-12-01 16:28:35,799 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:28:35" (2/3) ... [2018-12-01 16:28:35,799 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5303da21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 04:28:35, skipping insertion in model container [2018-12-01 16:28:35,800 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:28:35" (3/3) ... [2018-12-01 16:28:35,801 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product64_true-unreach-call_false-termination.cil.c [2018-12-01 16:28:35,807 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 16:28:35,811 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 16:28:35,820 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 16:28:35,838 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-01 16:28:35,839 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 16:28:35,839 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 16:28:35,839 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 16:28:35,839 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 16:28:35,839 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 16:28:35,839 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 16:28:35,839 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 16:28:35,839 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 16:28:35,852 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2018-12-01 16:28:35,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-01 16:28:35,857 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 16:28:35,857 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] [2018-12-01 16:28:35,859 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 16:28:35,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:28:35,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1935955606, now seen corresponding path program 1 times [2018-12-01 16:28:35,863 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 16:28:35,864 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 16:28:35,891 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:28:35,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:28:35,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:28:35,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:28:35,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:28:36,001 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 16:28:36,001 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-01 16:28:36,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-01 16:28:36,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-01 16:28:36,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-01 16:28:36,012 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 2 states. [2018-12-01 16:28:36,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 16:28:36,037 INFO L93 Difference]: Finished difference Result 320 states and 399 transitions. [2018-12-01 16:28:36,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-01 16:28:36,038 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-01 16:28:36,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 16:28:36,045 INFO L225 Difference]: With dead ends: 320 [2018-12-01 16:28:36,045 INFO L226 Difference]: Without dead ends: 160 [2018-12-01 16:28:36,048 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 [2018-12-01 16:28:36,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-12-01 16:28:36,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2018-12-01 16:28:36,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-12-01 16:28:36,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 191 transitions. [2018-12-01 16:28:36,081 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 191 transitions. Word has length 46 [2018-12-01 16:28:36,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 16:28:36,081 INFO L480 AbstractCegarLoop]: Abstraction has 160 states and 191 transitions. [2018-12-01 16:28:36,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-01 16:28:36,081 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 191 transitions. [2018-12-01 16:28:36,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-01 16:28:36,083 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 16:28:36,083 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] [2018-12-01 16:28:36,083 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 16:28:36,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:28:36,084 INFO L82 PathProgramCache]: Analyzing trace with hash 699503447, now seen corresponding path program 1 times [2018-12-01 16:28:36,084 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 16:28:36,084 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 16:28:36,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:28:36,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:28:36,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:28:36,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:28:36,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:28:36,148 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 16:28:36,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 16:28:36,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 16:28:36,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 16:28:36,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 16:28:36,150 INFO L87 Difference]: Start difference. First operand 160 states and 191 transitions. Second operand 3 states. [2018-12-01 16:28:36,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 16:28:36,164 INFO L93 Difference]: Finished difference Result 259 states and 309 transitions. [2018-12-01 16:28:36,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 16:28:36,165 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-01 16:28:36,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 16:28:36,166 INFO L225 Difference]: With dead ends: 259 [2018-12-01 16:28:36,166 INFO L226 Difference]: Without dead ends: 151 [2018-12-01 16:28:36,167 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 [2018-12-01 16:28:36,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-12-01 16:28:36,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-12-01 16:28:36,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-12-01 16:28:36,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 179 transitions. [2018-12-01 16:28:36,177 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 179 transitions. Word has length 47 [2018-12-01 16:28:36,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 16:28:36,177 INFO L480 AbstractCegarLoop]: Abstraction has 151 states and 179 transitions. [2018-12-01 16:28:36,177 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 16:28:36,177 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 179 transitions. [2018-12-01 16:28:36,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-01 16:28:36,178 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 16:28:36,178 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] [2018-12-01 16:28:36,178 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 16:28:36,179 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:28:36,179 INFO L82 PathProgramCache]: Analyzing trace with hash -707550223, now seen corresponding path program 1 times [2018-12-01 16:28:36,179 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 16:28:36,179 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 16:28:36,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:28:36,180 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:28:36,180 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:28:36,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:28:36,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:28:36,247 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 16:28:36,247 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 16:28:36,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 16:28:36,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 16:28:36,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-01 16:28:36,248 INFO L87 Difference]: Start difference. First operand 151 states and 179 transitions. Second operand 7 states. [2018-12-01 16:28:36,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 16:28:36,538 INFO L93 Difference]: Finished difference Result 455 states and 557 transitions. [2018-12-01 16:28:36,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 16:28:36,538 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-01 16:28:36,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 16:28:36,541 INFO L225 Difference]: With dead ends: 455 [2018-12-01 16:28:36,541 INFO L226 Difference]: Without dead ends: 328 [2018-12-01 16:28:36,542 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 [2018-12-01 16:28:36,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2018-12-01 16:28:36,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 316. [2018-12-01 16:28:36,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 316 states. [2018-12-01 16:28:36,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 316 states and 386 transitions. [2018-12-01 16:28:36,570 INFO L78 Accepts]: Start accepts. Automaton has 316 states and 386 transitions. Word has length 52 [2018-12-01 16:28:36,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 16:28:36,571 INFO L480 AbstractCegarLoop]: Abstraction has 316 states and 386 transitions. [2018-12-01 16:28:36,571 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 16:28:36,571 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 386 transitions. [2018-12-01 16:28:36,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-01 16:28:36,573 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 16:28:36,573 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] [2018-12-01 16:28:36,573 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 16:28:36,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:28:36,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1758028970, now seen corresponding path program 1 times [2018-12-01 16:28:36,574 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 16:28:36,574 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 16:28:36,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:28:36,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:28:36,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:28:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:28:36,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:28:36,637 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 16:28:36,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 16:28:36,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 16:28:36,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 16:28:36,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 16:28:36,638 INFO L87 Difference]: Start difference. First operand 316 states and 386 transitions. Second operand 6 states. [2018-12-01 16:28:36,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 16:28:36,775 INFO L93 Difference]: Finished difference Result 885 states and 1106 transitions. [2018-12-01 16:28:36,775 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 16:28:36,775 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2018-12-01 16:28:36,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 16:28:36,778 INFO L225 Difference]: With dead ends: 885 [2018-12-01 16:28:36,778 INFO L226 Difference]: Without dead ends: 593 [2018-12-01 16:28:36,779 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 [2018-12-01 16:28:36,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2018-12-01 16:28:36,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 587. [2018-12-01 16:28:36,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2018-12-01 16:28:36,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 722 transitions. [2018-12-01 16:28:36,809 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 722 transitions. Word has length 57 [2018-12-01 16:28:36,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 16:28:36,809 INFO L480 AbstractCegarLoop]: Abstraction has 587 states and 722 transitions. [2018-12-01 16:28:36,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 16:28:36,810 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 722 transitions. [2018-12-01 16:28:36,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-01 16:28:36,811 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 16:28:36,811 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] [2018-12-01 16:28:36,812 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 16:28:36,812 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:28:36,812 INFO L82 PathProgramCache]: Analyzing trace with hash -25290534, now seen corresponding path program 1 times [2018-12-01 16:28:36,812 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 16:28:36,812 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 16:28:36,812 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:28:36,813 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:28:36,813 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:28:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:28:36,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:28:36,879 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 16:28:36,879 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-01 16:28:36,880 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 16:28:36,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 16:28:36,880 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-01 16:28:36,880 INFO L87 Difference]: Start difference. First operand 587 states and 722 transitions. Second operand 7 states. [2018-12-01 16:28:37,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 16:28:37,309 INFO L93 Difference]: Finished difference Result 1538 states and 2007 transitions. [2018-12-01 16:28:37,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-01 16:28:37,310 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2018-12-01 16:28:37,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 16:28:37,313 INFO L225 Difference]: With dead ends: 1538 [2018-12-01 16:28:37,313 INFO L226 Difference]: Without dead ends: 975 [2018-12-01 16:28:37,314 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 [2018-12-01 16:28:37,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2018-12-01 16:28:37,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 877. [2018-12-01 16:28:37,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 877 states. [2018-12-01 16:28:37,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 877 states and 1063 transitions. [2018-12-01 16:28:37,347 INFO L78 Accepts]: Start accepts. Automaton has 877 states and 1063 transitions. Word has length 61 [2018-12-01 16:28:37,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 16:28:37,347 INFO L480 AbstractCegarLoop]: Abstraction has 877 states and 1063 transitions. [2018-12-01 16:28:37,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 16:28:37,347 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1063 transitions. [2018-12-01 16:28:37,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-01 16:28:37,349 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 16:28:37,349 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, 1] [2018-12-01 16:28:37,350 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 16:28:37,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:28:37,350 INFO L82 PathProgramCache]: Analyzing trace with hash -841415156, now seen corresponding path program 1 times [2018-12-01 16:28:37,350 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 16:28:37,350 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 16:28:37,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:28:37,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:28:37,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:28:37,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:28:37,395 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:28:37,395 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 16:28:37,395 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 16:28:37,396 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 16:28:37,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 16:28:37,396 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-01 16:28:37,396 INFO L87 Difference]: Start difference. First operand 877 states and 1063 transitions. Second operand 6 states. [2018-12-01 16:28:37,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 16:28:37,439 INFO L93 Difference]: Finished difference Result 1758 states and 2206 transitions. [2018-12-01 16:28:37,440 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 16:28:37,440 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 104 [2018-12-01 16:28:37,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 16:28:37,444 INFO L225 Difference]: With dead ends: 1758 [2018-12-01 16:28:37,444 INFO L226 Difference]: Without dead ends: 905 [2018-12-01 16:28:37,446 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 [2018-12-01 16:28:37,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2018-12-01 16:28:37,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 897. [2018-12-01 16:28:37,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 897 states. [2018-12-01 16:28:37,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 897 states to 897 states and 1083 transitions. [2018-12-01 16:28:37,487 INFO L78 Accepts]: Start accepts. Automaton has 897 states and 1083 transitions. Word has length 104 [2018-12-01 16:28:37,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 16:28:37,487 INFO L480 AbstractCegarLoop]: Abstraction has 897 states and 1083 transitions. [2018-12-01 16:28:37,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 16:28:37,487 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1083 transitions. [2018-12-01 16:28:37,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-01 16:28:37,488 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 16:28:37,489 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, 1] [2018-12-01 16:28:37,489 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 16:28:37,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:28:37,489 INFO L82 PathProgramCache]: Analyzing trace with hash -1194503538, now seen corresponding path program 1 times [2018-12-01 16:28:37,489 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 16:28:37,489 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 16:28:37,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:28:37,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:28:37,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:28:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:28:37,543 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:28:37,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 16:28:37,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-01 16:28:37,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-01 16:28:37,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-01 16:28:37,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-01 16:28:37,544 INFO L87 Difference]: Start difference. First operand 897 states and 1083 transitions. Second operand 8 states. [2018-12-01 16:28:37,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 16:28:37,583 INFO L93 Difference]: Finished difference Result 1798 states and 2246 transitions. [2018-12-01 16:28:37,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 16:28:37,583 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 104 [2018-12-01 16:28:37,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 16:28:37,587 INFO L225 Difference]: With dead ends: 1798 [2018-12-01 16:28:37,587 INFO L226 Difference]: Without dead ends: 925 [2018-12-01 16:28:37,589 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 [2018-12-01 16:28:37,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2018-12-01 16:28:37,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 913. [2018-12-01 16:28:37,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 913 states. [2018-12-01 16:28:37,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 913 states to 913 states and 1099 transitions. [2018-12-01 16:28:37,631 INFO L78 Accepts]: Start accepts. Automaton has 913 states and 1099 transitions. Word has length 104 [2018-12-01 16:28:37,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 16:28:37,632 INFO L480 AbstractCegarLoop]: Abstraction has 913 states and 1099 transitions. [2018-12-01 16:28:37,632 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-01 16:28:37,632 INFO L276 IsEmpty]: Start isEmpty. Operand 913 states and 1099 transitions. [2018-12-01 16:28:37,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-01 16:28:37,633 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 16:28:37,633 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, 1] [2018-12-01 16:28:37,633 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 16:28:37,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:28:37,633 INFO L82 PathProgramCache]: Analyzing trace with hash -61312945, now seen corresponding path program 1 times [2018-12-01 16:28:37,633 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 16:28:37,633 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 16:28:37,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:28:37,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:28:37,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:28:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:28:37,684 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-01 16:28:37,685 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 16:28:37,685 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-01 16:28:37,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-01 16:28:37,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-01 16:28:37,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-01 16:28:37,685 INFO L87 Difference]: Start difference. First operand 913 states and 1099 transitions. Second operand 4 states. [2018-12-01 16:28:37,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 16:28:37,860 INFO L93 Difference]: Finished difference Result 2891 states and 3646 transitions. [2018-12-01 16:28:37,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-01 16:28:37,860 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 104 [2018-12-01 16:28:37,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 16:28:37,865 INFO L225 Difference]: With dead ends: 2891 [2018-12-01 16:28:37,865 INFO L226 Difference]: Without dead ends: 2002 [2018-12-01 16:28:37,867 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 [2018-12-01 16:28:37,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2002 states. [2018-12-01 16:28:37,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2002 to 1971. [2018-12-01 16:28:37,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1971 states. [2018-12-01 16:28:37,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1971 states to 1971 states and 2435 transitions. [2018-12-01 16:28:37,925 INFO L78 Accepts]: Start accepts. Automaton has 1971 states and 2435 transitions. Word has length 104 [2018-12-01 16:28:37,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 16:28:37,925 INFO L480 AbstractCegarLoop]: Abstraction has 1971 states and 2435 transitions. [2018-12-01 16:28:37,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-01 16:28:37,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1971 states and 2435 transitions. [2018-12-01 16:28:37,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-01 16:28:37,927 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 16:28:37,928 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, 1, 1, 1, 1, 1] [2018-12-01 16:28:37,928 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 16:28:37,928 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:28:37,928 INFO L82 PathProgramCache]: Analyzing trace with hash 913162921, now seen corresponding path program 1 times [2018-12-01 16:28:37,928 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 16:28:37,928 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 16:28:37,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:28:37,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:28:37,929 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:28:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:28:38,028 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-01 16:28:38,029 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 16:28:38,029 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2294e52-43dd-40bc-9e8e-8544db54b408/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 [2018-12-01 16:28:38,037 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:28:38,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:28:38,117 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 16:28:38,239 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:28:38,256 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 16:28:38,256 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-01 16:28:38,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-01 16:28:38,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-01 16:28:38,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-01 16:28:38,257 INFO L87 Difference]: Start difference. First operand 1971 states and 2435 transitions. Second operand 19 states. [2018-12-01 16:28:39,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 16:28:39,074 INFO L93 Difference]: Finished difference Result 3884 states and 4856 transitions. [2018-12-01 16:28:39,074 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-01 16:28:39,074 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 108 [2018-12-01 16:28:39,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 16:28:39,079 INFO L225 Difference]: With dead ends: 3884 [2018-12-01 16:28:39,079 INFO L226 Difference]: Without dead ends: 1937 [2018-12-01 16:28:39,082 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-01 16:28:39,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1937 states. [2018-12-01 16:28:39,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1937 to 1937. [2018-12-01 16:28:39,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1937 states. [2018-12-01 16:28:39,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1937 states to 1937 states and 2343 transitions. [2018-12-01 16:28:39,141 INFO L78 Accepts]: Start accepts. Automaton has 1937 states and 2343 transitions. Word has length 108 [2018-12-01 16:28:39,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 16:28:39,141 INFO L480 AbstractCegarLoop]: Abstraction has 1937 states and 2343 transitions. [2018-12-01 16:28:39,141 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-01 16:28:39,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1937 states and 2343 transitions. [2018-12-01 16:28:39,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-01 16:28:39,145 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 16:28:39,145 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 16:28:39,145 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 16:28:39,145 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:28:39,145 INFO L82 PathProgramCache]: Analyzing trace with hash 674893287, now seen corresponding path program 1 times [2018-12-01 16:28:39,145 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-01 16:28:39,145 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-01 16:28:39,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:28:39,146 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:28:39,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 16:28:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:28:39,236 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-01 16:28:39,236 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 16:28:39,236 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b2294e52-43dd-40bc-9e8e-8544db54b408/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 [2018-12-01 16:28:39,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 16:28:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:28:39,324 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 16:28:39,418 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 16:28:39,444 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 16:28:39,444 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-01 16:28:39,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-01 16:28:39,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-01 16:28:39,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-01 16:28:39,445 INFO L87 Difference]: Start difference. First operand 1937 states and 2343 transitions. Second operand 19 states. [2018-12-01 16:28:40,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 16:28:40,128 INFO L93 Difference]: Finished difference Result 3275 states and 4043 transitions. [2018-12-01 16:28:40,128 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-01 16:28:40,128 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 178 [2018-12-01 16:28:40,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 16:28:40,129 INFO L225 Difference]: With dead ends: 3275 [2018-12-01 16:28:40,129 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 16:28:40,135 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 175 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-01 16:28:40,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 16:28:40,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 16:28:40,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 16:28:40,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 16:28:40,136 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 178 [2018-12-01 16:28:40,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 16:28:40,136 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 16:28:40,136 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-01 16:28:40,136 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 16:28:40,136 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 16:28:40,140 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-01 16:28:40,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 16:28:40,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 16:28:40,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 16:28:40,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 16:28:40,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 16:28:40,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 16:28:40,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 16:28:40,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 16:28:40,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 16:28:40,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 16:28:40,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 16:28:40,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 16:28:40,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 16:28:40,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 16:28:40,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 16:28:40,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 16:28:40,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 16:28:40,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 16:28:41,598 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 33 [2018-12-01 16:28:42,357 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 32 [2018-12-01 16:28:42,502 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 70 76) the Hoare annotation is: true [2018-12-01 16:28:42,502 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 70 76) no Hoare annotation was computed. [2018-12-01 16:28:42,502 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 77 85) no Hoare annotation was computed. [2018-12-01 16:28:42,502 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 77 85) the Hoare annotation is: true [2018-12-01 16:28:42,502 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 77 85) no Hoare annotation was computed. [2018-12-01 16:28:42,502 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 558 580) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 16:28:42,503 INFO L444 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 16:28:42,503 INFO L444 ceAbstractionStarter]: At program point L570-1(line 570) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~4 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 16:28:42,503 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 558 580) no Hoare annotation was computed. [2018-12-01 16:28:42,503 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 575) no Hoare annotation was computed. [2018-12-01 16:28:42,503 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 568 575) no Hoare annotation was computed. [2018-12-01 16:28:42,503 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-01 16:28:42,503 INFO L444 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 16:28:42,503 INFO L444 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 16:28:42,503 INFO L444 ceAbstractionStarter]: At program point L564-1(line 564) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 16:28:42,503 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 558 580) no Hoare annotation was computed. [2018-12-01 16:28:42,503 INFO L444 ceAbstractionStarter]: At program point L670(line 670) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= 0 ~pumpRunning~0) .cse1) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-01 16:28:42,503 INFO L448 ceAbstractionStarter]: For program point L670-1(lines 651 675) no Hoare annotation was computed. [2018-12-01 16:28:42,503 INFO L444 ceAbstractionStarter]: At program point L665(line 665) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-01 16:28:42,503 INFO L444 ceAbstractionStarter]: At program point L661(line 661) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-01 16:28:42,503 INFO L448 ceAbstractionStarter]: For program point L659(lines 659 667) no Hoare annotation was computed. [2018-12-01 16:28:42,504 INFO L444 ceAbstractionStarter]: At program point L657(line 657) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-01 16:28:42,504 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 651 675) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-01 16:28:42,504 INFO L448 ceAbstractionStarter]: For program point L657-1(line 657) no Hoare annotation was computed. [2018-12-01 16:28:42,504 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 672) no Hoare annotation was computed. [2018-12-01 16:28:42,504 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 651 675) no Hoare annotation was computed. [2018-12-01 16:28:42,504 INFO L448 ceAbstractionStarter]: For program point L833(lines 833 839) no Hoare annotation was computed. [2018-12-01 16:28:42,504 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 829 843) no Hoare annotation was computed. [2018-12-01 16:28:42,504 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 829 843) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse6 (= ~systemActive~0 1)) (.cse7 (not (= |old(~systemActive~0)| 1))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (and (not (= ~systemActive~0 0)) .cse2)) (.cse4 (= |old(~systemActive~0)| 0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse1) (or .cse3 .cse6 .cse7) (or .cse3 .cse0 .cse2) (or .cse5 .cse4 .cse1)))) [2018-12-01 16:28:42,504 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 829 843) no Hoare annotation was computed. [2018-12-01 16:28:42,504 INFO L444 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~systemActive~0 1)) (.cse5 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (= |old(~systemActive~0)| 0)) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse0 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse0 .cse4 .cse5) (or .cse1 .cse6) (or .cse3 .cse2 .cse6))) [2018-12-01 16:28:42,504 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 746 754) no Hoare annotation was computed. [2018-12-01 16:28:42,504 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 746 754) the Hoare annotation is: true [2018-12-01 16:28:42,504 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 746 754) no Hoare annotation was computed. [2018-12-01 16:28:42,504 INFO L451 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: true [2018-12-01 16:28:42,504 INFO L448 ceAbstractionStarter]: For program point L819-2(lines 819 823) no Hoare annotation was computed. [2018-12-01 16:28:42,504 INFO L448 ceAbstractionStarter]: For program point L817-1(line 817) no Hoare annotation was computed. [2018-12-01 16:28:42,504 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 810 828) the Hoare annotation is: true [2018-12-01 16:28:42,504 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 810 828) no Hoare annotation was computed. [2018-12-01 16:28:42,504 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 823) no Hoare annotation was computed. [2018-12-01 16:28:42,504 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 810 828) no Hoare annotation was computed. [2018-12-01 16:28:42,505 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 63 69) no Hoare annotation was computed. [2018-12-01 16:28:42,505 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 63 69) the Hoare annotation is: true [2018-12-01 16:28:42,505 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 548 557) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 16:28:42,505 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 548 557) no Hoare annotation was computed. [2018-12-01 16:28:42,505 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 548 557) no Hoare annotation was computed. [2018-12-01 16:28:42,505 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 735 745) the Hoare annotation is: true [2018-12-01 16:28:42,505 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 735 745) no Hoare annotation was computed. [2018-12-01 16:28:42,505 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 735 745) no Hoare annotation was computed. [2018-12-01 16:28:42,505 INFO L451 ceAbstractionStarter]: At program point L740(line 740) the Hoare annotation is: true [2018-12-01 16:28:42,505 INFO L448 ceAbstractionStarter]: For program point L740-1(line 740) no Hoare annotation was computed. [2018-12-01 16:28:42,505 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 727 734) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-12-01 16:28:42,505 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 727 734) no Hoare annotation was computed. [2018-12-01 16:28:42,505 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 727 734) no Hoare annotation was computed. [2018-12-01 16:28:42,505 INFO L448 ceAbstractionStarter]: For program point L937(lines 937 943) no Hoare annotation was computed. [2018-12-01 16:28:42,505 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 933 946) no Hoare annotation was computed. [2018-12-01 16:28:42,505 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 933 946) the Hoare annotation is: true [2018-12-01 16:28:42,505 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 933 946) no Hoare annotation was computed. [2018-12-01 16:28:42,505 INFO L444 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: (let ((.cse1 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-01 16:28:42,505 INFO L448 ceAbstractionStarter]: For program point L696-1(lines 677 701) no Hoare annotation was computed. [2018-12-01 16:28:42,505 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 677 701) no Hoare annotation was computed. [2018-12-01 16:28:42,506 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 677 701) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-12-01 16:28:42,506 INFO L444 ceAbstractionStarter]: At program point L691(line 691) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0) (or .cse0 (and (= processEnvironment_~tmp~7 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1))) [2018-12-01 16:28:42,506 INFO L444 ceAbstractionStarter]: At program point L687(line 687) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 (and (= processEnvironment_~tmp~7 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2018-12-01 16:28:42,506 INFO L448 ceAbstractionStarter]: For program point L685(lines 685 693) no Hoare annotation was computed. [2018-12-01 16:28:42,506 INFO L444 ceAbstractionStarter]: At program point L683(line 683) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse1 .cse3) (or .cse4 .cse0 .cse1))) [2018-12-01 16:28:42,506 INFO L448 ceAbstractionStarter]: For program point L683-1(line 683) no Hoare annotation was computed. [2018-12-01 16:28:42,506 INFO L448 ceAbstractionStarter]: For program point L681(lines 681 698) no Hoare annotation was computed. [2018-12-01 16:28:42,506 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 617 623) no Hoare annotation was computed. [2018-12-01 16:28:42,506 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 617 623) the Hoare annotation is: true [2018-12-01 16:28:42,506 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 957 1024) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-01 16:28:42,506 INFO L444 ceAbstractionStarter]: At program point L989(line 989) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1) (and .cse2 (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse0 .cse1))) [2018-12-01 16:28:42,506 INFO L448 ceAbstractionStarter]: For program point L987(lines 987 993) no Hoare annotation was computed. [2018-12-01 16:28:42,506 INFO L448 ceAbstractionStarter]: For program point L987-1(lines 987 993) no Hoare annotation was computed. [2018-12-01 16:28:42,506 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 957 1024) no Hoare annotation was computed. [2018-12-01 16:28:42,506 INFO L444 ceAbstractionStarter]: At program point L1014(lines 967 1016) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1) (and .cse2 (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse0 .cse1))) [2018-12-01 16:28:42,506 INFO L444 ceAbstractionStarter]: At program point L979(line 979) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse0 (not (= ~systemActive~0 0)) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-01 16:28:42,506 INFO L448 ceAbstractionStarter]: For program point L977(lines 977 983) no Hoare annotation was computed. [2018-12-01 16:28:42,506 INFO L448 ceAbstractionStarter]: For program point L977-1(lines 977 983) no Hoare annotation was computed. [2018-12-01 16:28:42,507 INFO L448 ceAbstractionStarter]: For program point L969(lines 969 973) no Hoare annotation was computed. [2018-12-01 16:28:42,507 INFO L444 ceAbstractionStarter]: At program point L1017(lines 966 1018) 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))) [2018-12-01 16:28:42,507 INFO L444 ceAbstractionStarter]: At program point L1007(line 1007) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse0 (not (= ~systemActive~0 0))) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse1 .cse2) (and .cse4 .cse0 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse3 .cse2))) [2018-12-01 16:28:42,507 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1011) no Hoare annotation was computed. [2018-12-01 16:28:42,507 INFO L444 ceAbstractionStarter]: At program point L1005-1(lines 997 1012) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (not (= ~systemActive~0 0))) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse2) (and .cse4 .cse1 .cse2) (and .cse3 .cse0 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-01 16:28:42,507 INFO L448 ceAbstractionStarter]: For program point L968(lines 967 1016) no Hoare annotation was computed. [2018-12-01 16:28:42,507 INFO L444 ceAbstractionStarter]: At program point L999(line 999) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-01 16:28:42,507 INFO L448 ceAbstractionStarter]: For program point L997(lines 997 1012) no Hoare annotation was computed. [2018-12-01 16:28:42,507 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 957 1024) no Hoare annotation was computed. [2018-12-01 16:28:42,507 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 702 709) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) [2018-12-01 16:28:42,507 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 702 709) no Hoare annotation was computed. [2018-12-01 16:28:42,507 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 702 709) no Hoare annotation was computed. [2018-12-01 16:28:42,507 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 947 955) no Hoare annotation was computed. [2018-12-01 16:28:42,507 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 947 955) the Hoare annotation is: true [2018-12-01 16:28:42,507 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 947 955) no Hoare annotation was computed. [2018-12-01 16:28:42,507 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-01 16:28:42,507 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-01 16:28:42,507 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-01 16:28:42,507 INFO L444 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (and (= activatePump_~tmp~8 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-01 16:28:42,507 INFO L448 ceAbstractionStarter]: For program point L721-1(lines 710 726) no Hoare annotation was computed. [2018-12-01 16:28:42,508 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 723) no Hoare annotation was computed. [2018-12-01 16:28:42,508 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 710 726) no Hoare annotation was computed. [2018-12-01 16:28:42,508 INFO L444 ceAbstractionStarter]: At program point L715(line 715) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-01 16:28:42,508 INFO L448 ceAbstractionStarter]: For program point L715-1(line 715) no Hoare annotation was computed. [2018-12-01 16:28:42,508 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 710 726) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-01 16:28:42,508 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 791 809) no Hoare annotation was computed. [2018-12-01 16:28:42,508 INFO L448 ceAbstractionStarter]: For program point L800(lines 800 804) no Hoare annotation was computed. [2018-12-01 16:28:42,508 INFO L451 ceAbstractionStarter]: At program point L798(line 798) the Hoare annotation is: true [2018-12-01 16:28:42,508 INFO L448 ceAbstractionStarter]: For program point L800-2(lines 800 804) no Hoare annotation was computed. [2018-12-01 16:28:42,508 INFO L448 ceAbstractionStarter]: For program point L798-1(line 798) no Hoare annotation was computed. [2018-12-01 16:28:42,508 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 791 809) the Hoare annotation is: true [2018-12-01 16:28:42,508 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 791 809) no Hoare annotation was computed. [2018-12-01 16:28:42,508 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 880 891) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= ~methaneLevelCritical~0 1)) (or .cse0 .cse1 .cse2) (or .cse2 (= ~systemActive~0 0) .cse1))) [2018-12-01 16:28:42,508 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 880 891) no Hoare annotation was computed. [2018-12-01 16:28:42,508 INFO L448 ceAbstractionStarter]: For program point L884-1(lines 880 891) no Hoare annotation was computed. [2018-12-01 16:28:42,508 INFO L444 ceAbstractionStarter]: At program point L606(line 606) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse8 (= |old(~waterLevel~0)| 1))) (let ((.cse5 (not .cse8)) (.cse3 (= 1 ~waterLevel~0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (not (= ~waterLevel~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not .cse1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse2) (or .cse6 .cse4 .cse5 (and .cse3 .cse7)) (or .cse6 .cse1 .cse0) (or .cse8 .cse4 .cse9 .cse2) (or (and .cse7 .cse9) .cse6 .cse8 .cse4) (or .cse7 .cse4 .cse2)))) [2018-12-01 16:28:42,508 INFO L444 ceAbstractionStarter]: At program point L604(lines 604 610) the Hoare annotation is: (let ((.cse9 (= ~systemActive~0 0)) (.cse6 (not (= ~waterLevel~0 1))) (.cse5 (= |old(~waterLevel~0)| 1))) (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 1 ~waterLevel~0)) (.cse1 (not .cse5)) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (and (not .cse9) .cse6)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse10 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6) (or .cse0 .cse7 .cse2 .cse8) (or .cse4 .cse0 .cse8) (or .cse5 .cse6 .cse0 .cse2) (or .cse4 .cse9 .cse10) (or .cse4 .cse0 .cse3 .cse1) (or .cse8 .cse9 .cse7 .cse2 .cse10)))) [2018-12-01 16:28:42,508 INFO L444 ceAbstractionStarter]: At program point L599(line 599) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse0 .cse3 .cse2) (or .cse1 .cse4))) [2018-12-01 16:28:42,508 INFO L448 ceAbstractionStarter]: For program point L597(lines 596 615) no Hoare annotation was computed. [2018-12-01 16:28:42,509 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 593 616) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| 1))) (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (= 1 ~waterLevel~0)) (.cse7 (not .cse4)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= ~waterLevel~0 1))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or .cse3 .cse1 .cse0) (or .cse4 (and .cse6 .cse0) .cse5 .cse2) (or .cse3 .cse5 .cse0) (or .cse5 .cse7 .cse2 (and .cse8 .cse0)) (or .cse3 .cse5 .cse8 .cse7) (or .cse3 .cse4 .cse1 .cse6) (or .cse4 .cse6 .cse1 .cse2)))) [2018-12-01 16:28:42,509 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 593 616) no Hoare annotation was computed. [2018-12-01 16:28:42,509 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 593 616) no Hoare annotation was computed. [2018-12-01 16:28:42,509 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 483 512) no Hoare annotation was computed. [2018-12-01 16:28:42,509 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 483 512) the Hoare annotation is: true [2018-12-01 16:28:42,509 INFO L451 ceAbstractionStarter]: At program point L508(lines 483 512) the Hoare annotation is: true [2018-12-01 16:28:42,509 INFO L448 ceAbstractionStarter]: For program point L504(line 504) no Hoare annotation was computed. [2018-12-01 16:28:42,509 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 501) no Hoare annotation was computed. [2018-12-01 16:28:42,509 INFO L451 ceAbstractionStarter]: At program point L497-1(lines 497 501) the Hoare annotation is: true [2018-12-01 16:28:42,509 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-01 16:28:42,509 INFO L451 ceAbstractionStarter]: At program point L493-2(lines 493 507) the Hoare annotation is: true [2018-12-01 16:28:42,509 INFO L451 ceAbstractionStarter]: At program point L489(line 489) the Hoare annotation is: true [2018-12-01 16:28:42,509 INFO L448 ceAbstractionStarter]: For program point L489-1(line 489) no Hoare annotation was computed. [2018-12-01 16:28:42,509 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 892 900) the Hoare annotation is: true [2018-12-01 16:28:42,509 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 892 900) no Hoare annotation was computed. [2018-12-01 16:28:42,509 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 892 900) no Hoare annotation was computed. [2018-12-01 16:28:42,509 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 856 867) the Hoare annotation is: true [2018-12-01 16:28:42,509 INFO L448 ceAbstractionStarter]: For program point L860-1(lines 856 867) no Hoare annotation was computed. [2018-12-01 16:28:42,509 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 856 867) no Hoare annotation was computed. [2018-12-01 16:28:42,509 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 540 546) no Hoare annotation was computed. [2018-12-01 16:28:42,509 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 540 546) the Hoare annotation is: true [2018-12-01 16:28:42,509 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-01 16:28:42,510 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)) [2018-12-01 16:28:42,510 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-01 16:28:42,510 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-01 16:28:42,510 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 844 851) no Hoare annotation was computed. [2018-12-01 16:28:42,510 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 844 851) the Hoare annotation is: true [2018-12-01 16:28:42,510 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 844 851) no Hoare annotation was computed. [2018-12-01 16:28:42,510 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 625 649) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-01 16:28:42,510 INFO L444 ceAbstractionStarter]: At program point L639(line 639) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~5)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (and .cse1 (= 0 ~pumpRunning~0) .cse2)))) [2018-12-01 16:28:42,510 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 625 649) no Hoare annotation was computed. [2018-12-01 16:28:42,510 INFO L444 ceAbstractionStarter]: At program point L635(line 635) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (and .cse0 .cse1) (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or .cse2 (and (= 0 ~pumpRunning~0) .cse1) .cse3) (or .cse2 .cse0 .cse3))) [2018-12-01 16:28:42,510 INFO L448 ceAbstractionStarter]: For program point L633(lines 633 641) no Hoare annotation was computed. [2018-12-01 16:28:42,510 INFO L444 ceAbstractionStarter]: At program point L631(line 631) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= 0 ~pumpRunning~0) .cse1) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-01 16:28:42,510 INFO L448 ceAbstractionStarter]: For program point L631-1(line 631) no Hoare annotation was computed. [2018-12-01 16:28:42,510 INFO L448 ceAbstractionStarter]: For program point L629(lines 629 646) no Hoare annotation was computed. [2018-12-01 16:28:42,510 INFO L444 ceAbstractionStarter]: At program point L644(line 644) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-12-01 16:28:42,510 INFO L448 ceAbstractionStarter]: For program point L644-1(lines 625 649) no Hoare annotation was computed. [2018-12-01 16:28:42,510 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 868 879) no Hoare annotation was computed. [2018-12-01 16:28:42,510 INFO L448 ceAbstractionStarter]: For program point L872-1(lines 868 879) no Hoare annotation was computed. [2018-12-01 16:28:42,510 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 868 879) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse1 (= 1 ~waterLevel~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2018-12-01 16:28:42,510 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-12-01 16:28:42,511 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-12-01 16:28:42,511 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-12-01 16:28:42,511 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-12-01 16:28:42,511 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 110) no Hoare annotation was computed. [2018-12-01 16:28:42,511 INFO L448 ceAbstractionStarter]: For program point L97-1(lines 89 113) no Hoare annotation was computed. [2018-12-01 16:28:42,511 INFO L451 ceAbstractionStarter]: At program point L95(line 95) the Hoare annotation is: true [2018-12-01 16:28:42,511 INFO L448 ceAbstractionStarter]: For program point L95-1(line 95) no Hoare annotation was computed. [2018-12-01 16:28:42,511 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 89 113) the Hoare annotation is: true [2018-12-01 16:28:42,511 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 89 113) no Hoare annotation was computed. [2018-12-01 16:28:42,511 INFO L444 ceAbstractionStarter]: At program point L103(line 103) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse1 .cse0))) [2018-12-01 16:28:42,511 INFO L448 ceAbstractionStarter]: For program point L101(lines 101 107) no Hoare annotation was computed. [2018-12-01 16:28:42,511 INFO L444 ceAbstractionStarter]: At program point L99(line 99) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2018-12-01 16:28:42,511 INFO L448 ceAbstractionStarter]: For program point L99-1(line 99) no Hoare annotation was computed. [2018-12-01 16:28:42,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 04:28:42 BoogieIcfgContainer [2018-12-01 16:28:42,521 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 16:28:42,521 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 16:28:42,522 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 16:28:42,522 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 16:28:42,522 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:28:35" (3/4) ... [2018-12-01 16:28:42,525 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 16:28:42,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-01 16:28:42,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-01 16:28:42,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-01 16:28:42,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-01 16:28:42,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-01 16:28:42,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-01 16:28:42,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-01 16:28:42,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-01 16:28:42,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-01 16:28:42,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-01 16:28:42,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-01 16:28:42,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-01 16:28:42,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-01 16:28:42,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-01 16:28:42,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-01 16:28:42,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-01 16:28:42,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-01 16:28:42,530 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-01 16:28:42,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-01 16:28:42,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-01 16:28:42,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-01 16:28:42,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-01 16:28:42,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-01 16:28:42,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-01 16:28:42,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-01 16:28:42,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-01 16:28:42,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-01 16:28:42,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-01 16:28:42,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-01 16:28:42,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-01 16:28:42,531 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-12-01 16:28:42,536 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-12-01 16:28:42,537 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-12-01 16:28:42,537 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-01 16:28:42,537 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-01 16:28:42,538 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 16:28:42,538 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 16:28:42,557 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) [2018-12-01 16:28:42,557 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-01 16:28:42,591 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b2294e52-43dd-40bc-9e8e-8544db54b408/bin-2019/uautomizer/witness.graphml [2018-12-01 16:28:42,591 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 16:28:42,591 INFO L168 Benchmark]: Toolchain (without parser) took 7448.29 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 324.0 MB). Free memory was 950.7 MB in the beginning and 1.0 GB in the end (delta: -60.8 MB). Peak memory consumption was 263.2 MB. Max. memory is 11.5 GB. [2018-12-01 16:28:42,592 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 16:28:42,592 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 950.7 MB in the beginning and 1.1 GB in the end (delta: -128.8 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. [2018-12-01 16:28:42,592 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.20 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: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2018-12-01 16:28:42,592 INFO L168 Benchmark]: Boogie Preprocessor took 21.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-01 16:28:42,592 INFO L168 Benchmark]: RCFGBuilder took 327.55 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: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. [2018-12-01 16:28:42,592 INFO L168 Benchmark]: TraceAbstraction took 6724.86 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 233.8 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 1.0 MB). Peak memory consumption was 365.1 MB. Max. memory is 11.5 GB. [2018-12-01 16:28:42,593 INFO L168 Benchmark]: Witness Printer took 69.49 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 16:28:42,594 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 979.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 281.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 90.2 MB). Free memory was 950.7 MB in the beginning and 1.1 GB in the end (delta: -128.8 MB). Peak memory consumption was 27.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.20 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: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 327.55 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: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 6724.86 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 233.8 MB). Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 1.0 MB). Peak memory consumption was 365.1 MB. Max. memory is 11.5 GB. * Witness Printer took 69.49 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 966]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 483]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 967]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 32 procedures, 173 locations, 1 error locations. SAFE Result, 6.6s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 2.7s AutomataDifference, 0.0s DeadEndRemovalTime, 2.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2207 SDtfs, 1459 SDslu, 9068 SDs, 0 SdLazy, 3667 SolverSat, 177 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 414 GetRequests, 311 SyntacticMatches, 3 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1971occurred in iteration=8, 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: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 167 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 73 LocationsWithAnnotation, 3992 PreInvPairs, 4249 NumberOfFragments, 1960 HoareAnnotationTreeSize, 3992 FomulaSimplifications, 4629 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 73 FomulaSimplificationsInter, 15903 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1147 NumberOfCodeBlocks, 1147 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1135 ConstructedInterpolants, 0 QuantifiedInterpolants, 199854 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1700 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 117/121 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...