./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product49_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_171d7450-a71c-427a-867f-316f19222468/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_171d7450-a71c-427a-867f-316f19222468/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_171d7450-a71c-427a-867f-316f19222468/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_171d7450-a71c-427a-867f-316f19222468/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product49_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_171d7450-a71c-427a-867f-316f19222468/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_171d7450-a71c-427a-867f-316f19222468/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 81d3a03e2badb1d355e733e1f917b69305964186 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 11:10:13,043 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 11:10:13,044 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 11:10:13,050 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 11:10:13,051 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 11:10:13,051 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 11:10:13,052 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 11:10:13,052 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 11:10:13,053 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 11:10:13,054 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 11:10:13,054 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 11:10:13,054 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 11:10:13,055 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 11:10:13,055 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 11:10:13,055 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 11:10:13,056 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 11:10:13,056 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 11:10:13,057 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 11:10:13,058 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 11:10:13,059 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 11:10:13,059 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 11:10:13,060 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 11:10:13,061 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 11:10:13,061 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 11:10:13,061 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 11:10:13,062 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 11:10:13,062 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 11:10:13,062 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 11:10:13,063 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 11:10:13,063 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 11:10:13,063 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 11:10:13,064 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 11:10:13,064 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 11:10:13,064 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 11:10:13,064 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 11:10:13,065 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 11:10:13,065 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_171d7450-a71c-427a-867f-316f19222468/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 11:10:13,072 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 11:10:13,072 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 11:10:13,073 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 11:10:13,073 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 11:10:13,073 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 11:10:13,073 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 11:10:13,073 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 11:10:13,073 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 11:10:13,073 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 11:10:13,074 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 11:10:13,074 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 11:10:13,074 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 11:10:13,074 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 11:10:13,074 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 11:10:13,074 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 11:10:13,074 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 11:10:13,074 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 11:10:13,074 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 11:10:13,074 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 11:10:13,074 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 11:10:13,075 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 11:10:13,075 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 11:10:13,075 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 11:10:13,075 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 11:10:13,075 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 11:10:13,075 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 11:10:13,075 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 11:10:13,075 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 11:10:13,075 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 11:10:13,075 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 11:10:13,075 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_171d7450-a71c-427a-867f-316f19222468/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 -> 81d3a03e2badb1d355e733e1f917b69305964186 [2018-12-08 11:10:13,092 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 11:10:13,099 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 11:10:13,101 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 11:10:13,102 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 11:10:13,103 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 11:10:13,103 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_171d7450-a71c-427a-867f-316f19222468/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product49_true-unreach-call_false-termination.cil.c [2018-12-08 11:10:13,137 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_171d7450-a71c-427a-867f-316f19222468/bin-2019/uautomizer/data/a8f02a4c9/a373ec91d704434b8b8e1b855623bfef/FLAG0b3426f6b [2018-12-08 11:10:13,551 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 11:10:13,551 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_171d7450-a71c-427a-867f-316f19222468/sv-benchmarks/c/product-lines/minepump_spec3_product49_true-unreach-call_false-termination.cil.c [2018-12-08 11:10:13,560 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_171d7450-a71c-427a-867f-316f19222468/bin-2019/uautomizer/data/a8f02a4c9/a373ec91d704434b8b8e1b855623bfef/FLAG0b3426f6b [2018-12-08 11:10:13,958 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_171d7450-a71c-427a-867f-316f19222468/bin-2019/uautomizer/data/a8f02a4c9/a373ec91d704434b8b8e1b855623bfef [2018-12-08 11:10:13,960 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 11:10:13,961 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 11:10:13,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 11:10:13,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 11:10:13,963 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 11:10:13,964 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:10:13" (1/1) ... [2018-12-08 11:10:13,966 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 08.12 11:10:13, skipping insertion in model container [2018-12-08 11:10:13,966 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 11:10:13" (1/1) ... [2018-12-08 11:10:13,970 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 11:10:13,990 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 11:10:14,139 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:10:14,200 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 11:10:14,241 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 11:10:14,255 INFO L195 MainTranslator]: Completed translation [2018-12-08 11:10:14,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:10:14 WrapperNode [2018-12-08 11:10:14,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 11:10:14,256 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 11:10:14,256 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 11:10:14,256 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 11:10:14,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:10:14" (1/1) ... [2018-12-08 11:10:14,270 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:10:14" (1/1) ... [2018-12-08 11:10:14,275 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 11:10:14,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 11:10:14,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 11:10:14,275 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 11:10:14,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:10:14" (1/1) ... [2018-12-08 11:10:14,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:10:14" (1/1) ... [2018-12-08 11:10:14,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:10:14" (1/1) ... [2018-12-08 11:10:14,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:10:14" (1/1) ... [2018-12-08 11:10:14,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:10:14" (1/1) ... [2018-12-08 11:10:14,292 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:10:14" (1/1) ... [2018-12-08 11:10:14,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:10:14" (1/1) ... [2018-12-08 11:10:14,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 11:10:14,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 11:10:14,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 11:10:14,296 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 11:10:14,296 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:10:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_171d7450-a71c-427a-867f-316f19222468/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 [2018-12-08 11:10:14,326 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 11:10:14,326 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 11:10:14,327 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 11:10:14,327 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 11:10:14,327 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 11:10:14,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 11:10:14,327 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 11:10:14,327 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 11:10:14,327 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 11:10:14,327 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 11:10:14,327 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 11:10:14,327 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 11:10:14,327 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 11:10:14,327 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 11:10:14,327 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 11:10:14,327 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 11:10:14,328 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 11:10:14,328 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 11:10:14,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 11:10:14,328 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 11:10:14,328 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 11:10:14,328 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 11:10:14,328 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 11:10:14,328 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 11:10:14,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 11:10:14,328 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 11:10:14,328 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 11:10:14,328 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 11:10:14,328 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 11:10:14,328 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 11:10:14,328 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 11:10:14,329 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 11:10:14,329 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 11:10:14,329 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 11:10:14,329 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 11:10:14,329 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 11:10:14,329 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 11:10:14,329 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 11:10:14,329 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 11:10:14,329 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 11:10:14,329 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 11:10:14,329 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 11:10:14,329 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 11:10:14,329 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 11:10:14,329 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 11:10:14,329 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 11:10:14,330 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 11:10:14,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 11:10:14,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 11:10:14,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 11:10:14,330 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 11:10:14,330 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 11:10:14,330 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-12-08 11:10:14,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-12-08 11:10:14,330 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 11:10:14,330 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 11:10:14,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 11:10:14,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 11:10:14,609 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 11:10:14,609 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 11:10:14,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:10:14 BoogieIcfgContainer [2018-12-08 11:10:14,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 11:10:14,610 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 11:10:14,610 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 11:10:14,612 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 11:10:14,612 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 11:10:13" (1/3) ... [2018-12-08 11:10:14,612 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ad30c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:10:14, skipping insertion in model container [2018-12-08 11:10:14,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 11:10:14" (2/3) ... [2018-12-08 11:10:14,613 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64ad30c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 11:10:14, skipping insertion in model container [2018-12-08 11:10:14,613 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:10:14" (3/3) ... [2018-12-08 11:10:14,614 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product49_true-unreach-call_false-termination.cil.c [2018-12-08 11:10:14,619 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 11:10:14,624 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 11:10:14,632 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 11:10:14,649 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 11:10:14,649 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 11:10:14,649 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 11:10:14,649 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 11:10:14,649 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 11:10:14,649 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 11:10:14,649 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 11:10:14,649 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 11:10:14,649 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 11:10:14,661 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states. [2018-12-08 11:10:14,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-08 11:10:14,666 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:10:14,666 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] [2018-12-08 11:10:14,668 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:10:14,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:10:14,671 INFO L82 PathProgramCache]: Analyzing trace with hash -1160720793, now seen corresponding path program 1 times [2018-12-08 11:10:14,672 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:10:14,672 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:10:14,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:10:14,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:10:14,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:10:14,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:10:14,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:10:14,809 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:10:14,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 11:10:14,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 11:10:14,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 11:10:14,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 11:10:14,821 INFO L87 Difference]: Start difference. First operand 147 states. Second operand 2 states. [2018-12-08 11:10:14,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:10:14,842 INFO L93 Difference]: Finished difference Result 268 states and 331 transitions. [2018-12-08 11:10:14,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 11:10:14,843 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-12-08 11:10:14,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:10:14,850 INFO L225 Difference]: With dead ends: 268 [2018-12-08 11:10:14,850 INFO L226 Difference]: Without dead ends: 134 [2018-12-08 11:10:14,852 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 [2018-12-08 11:10:14,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-12-08 11:10:14,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-12-08 11:10:14,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-12-08 11:10:14,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 157 transitions. [2018-12-08 11:10:14,881 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 157 transitions. Word has length 52 [2018-12-08 11:10:14,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:10:14,881 INFO L480 AbstractCegarLoop]: Abstraction has 134 states and 157 transitions. [2018-12-08 11:10:14,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 11:10:14,881 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 157 transitions. [2018-12-08 11:10:14,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-12-08 11:10:14,883 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:10:14,883 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] [2018-12-08 11:10:14,883 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:10:14,883 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:10:14,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1969471298, now seen corresponding path program 1 times [2018-12-08 11:10:14,883 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:10:14,883 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:10:14,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:10:14,884 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:10:14,884 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:10:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:10:14,941 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:10:14,941 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:10:14,941 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 11:10:14,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 11:10:14,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 11:10:14,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 11:10:14,942 INFO L87 Difference]: Start difference. First operand 134 states and 157 transitions. Second operand 3 states. [2018-12-08 11:10:14,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:10:14,956 INFO L93 Difference]: Finished difference Result 217 states and 253 transitions. [2018-12-08 11:10:14,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 11:10:14,956 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-12-08 11:10:14,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:10:14,957 INFO L225 Difference]: With dead ends: 217 [2018-12-08 11:10:14,957 INFO L226 Difference]: Without dead ends: 125 [2018-12-08 11:10:14,958 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 [2018-12-08 11:10:14,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-12-08 11:10:14,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-12-08 11:10:14,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-12-08 11:10:14,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 145 transitions. [2018-12-08 11:10:14,967 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 145 transitions. Word has length 53 [2018-12-08 11:10:14,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:10:14,967 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 145 transitions. [2018-12-08 11:10:14,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 11:10:14,967 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions. [2018-12-08 11:10:14,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-08 11:10:14,969 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:10:14,969 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] [2018-12-08 11:10:14,969 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:10:14,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:10:14,969 INFO L82 PathProgramCache]: Analyzing trace with hash -1167765115, now seen corresponding path program 1 times [2018-12-08 11:10:14,969 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:10:14,969 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:10:14,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:10:14,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:10:14,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:10:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:10:15,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:10:15,066 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:10:15,067 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 11:10:15,067 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 11:10:15,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 11:10:15,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 11:10:15,067 INFO L87 Difference]: Start difference. First operand 125 states and 145 transitions. Second operand 7 states. [2018-12-08 11:10:15,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:10:15,227 INFO L93 Difference]: Finished difference Result 226 states and 267 transitions. [2018-12-08 11:10:15,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 11:10:15,228 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-12-08 11:10:15,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:10:15,229 INFO L225 Difference]: With dead ends: 226 [2018-12-08 11:10:15,229 INFO L226 Difference]: Without dead ends: 125 [2018-12-08 11:10:15,229 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 11:10:15,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-12-08 11:10:15,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-12-08 11:10:15,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-12-08 11:10:15,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 144 transitions. [2018-12-08 11:10:15,237 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 144 transitions. Word has length 57 [2018-12-08 11:10:15,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:10:15,237 INFO L480 AbstractCegarLoop]: Abstraction has 125 states and 144 transitions. [2018-12-08 11:10:15,237 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 11:10:15,237 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 144 transitions. [2018-12-08 11:10:15,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 11:10:15,239 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:10:15,239 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:10:15,239 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:10:15,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:10:15,239 INFO L82 PathProgramCache]: Analyzing trace with hash 203465218, now seen corresponding path program 1 times [2018-12-08 11:10:15,239 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:10:15,240 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:10:15,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:10:15,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:10:15,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:10:15,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:10:15,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:10:15,300 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:10:15,301 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 11:10:15,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 11:10:15,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 11:10:15,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 11:10:15,301 INFO L87 Difference]: Start difference. First operand 125 states and 144 transitions. Second operand 5 states. [2018-12-08 11:10:15,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:10:15,594 INFO L93 Difference]: Finished difference Result 332 states and 399 transitions. [2018-12-08 11:10:15,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 11:10:15,594 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2018-12-08 11:10:15,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:10:15,596 INFO L225 Difference]: With dead ends: 332 [2018-12-08 11:10:15,596 INFO L226 Difference]: Without dead ends: 231 [2018-12-08 11:10:15,597 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-08 11:10:15,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-12-08 11:10:15,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 213. [2018-12-08 11:10:15,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-12-08 11:10:15,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 243 transitions. [2018-12-08 11:10:15,620 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 243 transitions. Word has length 70 [2018-12-08 11:10:15,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:10:15,620 INFO L480 AbstractCegarLoop]: Abstraction has 213 states and 243 transitions. [2018-12-08 11:10:15,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 11:10:15,621 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 243 transitions. [2018-12-08 11:10:15,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-08 11:10:15,623 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:10:15,623 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:10:15,623 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:10:15,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:10:15,624 INFO L82 PathProgramCache]: Analyzing trace with hash -944503591, now seen corresponding path program 1 times [2018-12-08 11:10:15,624 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:10:15,624 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:10:15,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:10:15,625 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:10:15,625 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:10:15,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:10:15,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:10:15,721 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:10:15,722 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 11:10:15,722 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 11:10:15,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 11:10:15,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 11:10:15,722 INFO L87 Difference]: Start difference. First operand 213 states and 243 transitions. Second operand 8 states. [2018-12-08 11:10:15,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:10:15,747 INFO L93 Difference]: Finished difference Result 409 states and 479 transitions. [2018-12-08 11:10:15,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 11:10:15,747 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2018-12-08 11:10:15,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:10:15,749 INFO L225 Difference]: With dead ends: 409 [2018-12-08 11:10:15,749 INFO L226 Difference]: Without dead ends: 220 [2018-12-08 11:10:15,750 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 [2018-12-08 11:10:15,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-12-08 11:10:15,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 217. [2018-12-08 11:10:15,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-12-08 11:10:15,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 247 transitions. [2018-12-08 11:10:15,761 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 247 transitions. Word has length 84 [2018-12-08 11:10:15,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:10:15,761 INFO L480 AbstractCegarLoop]: Abstraction has 217 states and 247 transitions. [2018-12-08 11:10:15,761 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 11:10:15,761 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 247 transitions. [2018-12-08 11:10:15,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-08 11:10:15,762 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:10:15,762 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:10:15,762 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:10:15,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:10:15,763 INFO L82 PathProgramCache]: Analyzing trace with hash -100498089, now seen corresponding path program 1 times [2018-12-08 11:10:15,763 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:10:15,763 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:10:15,763 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:10:15,763 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:10:15,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:10:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:10:15,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:10:15,820 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:10:15,820 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 11:10:15,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 11:10:15,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 11:10:15,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 11:10:15,821 INFO L87 Difference]: Start difference. First operand 217 states and 247 transitions. Second operand 6 states. [2018-12-08 11:10:15,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:10:15,921 INFO L93 Difference]: Finished difference Result 522 states and 626 transitions. [2018-12-08 11:10:15,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 11:10:15,922 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2018-12-08 11:10:15,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:10:15,924 INFO L225 Difference]: With dead ends: 522 [2018-12-08 11:10:15,924 INFO L226 Difference]: Without dead ends: 329 [2018-12-08 11:10:15,925 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 11:10:15,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2018-12-08 11:10:15,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 325. [2018-12-08 11:10:15,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2018-12-08 11:10:15,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 376 transitions. [2018-12-08 11:10:15,944 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 376 transitions. Word has length 84 [2018-12-08 11:10:15,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:10:15,944 INFO L480 AbstractCegarLoop]: Abstraction has 325 states and 376 transitions. [2018-12-08 11:10:15,944 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 11:10:15,945 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 376 transitions. [2018-12-08 11:10:15,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 11:10:15,946 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:10:15,946 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:10:15,946 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:10:15,946 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:10:15,947 INFO L82 PathProgramCache]: Analyzing trace with hash 2100826833, now seen corresponding path program 1 times [2018-12-08 11:10:15,947 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:10:15,947 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:10:15,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:10:15,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:10:15,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:10:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:10:16,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:10:16,025 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:10:16,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 11:10:16,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 11:10:16,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 11:10:16,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 11:10:16,026 INFO L87 Difference]: Start difference. First operand 325 states and 376 transitions. Second operand 6 states. [2018-12-08 11:10:16,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:10:16,149 INFO L93 Difference]: Finished difference Result 702 states and 847 transitions. [2018-12-08 11:10:16,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 11:10:16,149 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2018-12-08 11:10:16,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:10:16,152 INFO L225 Difference]: With dead ends: 702 [2018-12-08 11:10:16,152 INFO L226 Difference]: Without dead ends: 509 [2018-12-08 11:10:16,153 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 11:10:16,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2018-12-08 11:10:16,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 491. [2018-12-08 11:10:16,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2018-12-08 11:10:16,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 582 transitions. [2018-12-08 11:10:16,180 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 582 transitions. Word has length 88 [2018-12-08 11:10:16,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:10:16,181 INFO L480 AbstractCegarLoop]: Abstraction has 491 states and 582 transitions. [2018-12-08 11:10:16,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 11:10:16,181 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 582 transitions. [2018-12-08 11:10:16,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 11:10:16,182 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:10:16,183 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:10:16,183 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:10:16,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:10:16,183 INFO L82 PathProgramCache]: Analyzing trace with hash 334137748, now seen corresponding path program 1 times [2018-12-08 11:10:16,183 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:10:16,183 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:10:16,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:10:16,184 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:10:16,184 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:10:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:10:16,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:10:16,265 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:10:16,265 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 11:10:16,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 11:10:16,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 11:10:16,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-12-08 11:10:16,266 INFO L87 Difference]: Start difference. First operand 491 states and 582 transitions. Second operand 9 states. [2018-12-08 11:10:16,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:10:16,308 INFO L93 Difference]: Finished difference Result 866 states and 1039 transitions. [2018-12-08 11:10:16,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-08 11:10:16,308 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2018-12-08 11:10:16,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:10:16,310 INFO L225 Difference]: With dead ends: 866 [2018-12-08 11:10:16,310 INFO L226 Difference]: Without dead ends: 507 [2018-12-08 11:10:16,311 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-12-08 11:10:16,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2018-12-08 11:10:16,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 504. [2018-12-08 11:10:16,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 504 states. [2018-12-08 11:10:16,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 504 states and 596 transitions. [2018-12-08 11:10:16,326 INFO L78 Accepts]: Start accepts. Automaton has 504 states and 596 transitions. Word has length 88 [2018-12-08 11:10:16,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:10:16,327 INFO L480 AbstractCegarLoop]: Abstraction has 504 states and 596 transitions. [2018-12-08 11:10:16,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 11:10:16,327 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 596 transitions. [2018-12-08 11:10:16,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 11:10:16,328 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:10:16,328 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:10:16,328 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:10:16,329 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:10:16,329 INFO L82 PathProgramCache]: Analyzing trace with hash 1178143250, now seen corresponding path program 1 times [2018-12-08 11:10:16,329 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:10:16,329 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:10:16,329 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:10:16,330 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:10:16,330 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:10:16,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:10:16,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:10:16,361 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:10:16,361 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 11:10:16,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 11:10:16,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 11:10:16,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 11:10:16,362 INFO L87 Difference]: Start difference. First operand 504 states and 596 transitions. Second operand 5 states. [2018-12-08 11:10:16,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:10:16,386 INFO L93 Difference]: Finished difference Result 861 states and 1039 transitions. [2018-12-08 11:10:16,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-08 11:10:16,386 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2018-12-08 11:10:16,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:10:16,387 INFO L225 Difference]: With dead ends: 861 [2018-12-08 11:10:16,387 INFO L226 Difference]: Without dead ends: 489 [2018-12-08 11:10:16,388 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-08 11:10:16,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 489 states. [2018-12-08 11:10:16,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 489 to 489. [2018-12-08 11:10:16,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2018-12-08 11:10:16,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 576 transitions. [2018-12-08 11:10:16,404 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 576 transitions. Word has length 88 [2018-12-08 11:10:16,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:10:16,404 INFO L480 AbstractCegarLoop]: Abstraction has 489 states and 576 transitions. [2018-12-08 11:10:16,404 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 11:10:16,404 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 576 transitions. [2018-12-08 11:10:16,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-12-08 11:10:16,405 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:10:16,405 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 11:10:16,405 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:10:16,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:10:16,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1853727931, now seen corresponding path program 1 times [2018-12-08 11:10:16,405 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:10:16,405 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:10:16,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:10:16,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:10:16,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:10:16,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:10:16,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 11:10:16,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 11:10:16,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-08 11:10:16,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 11:10:16,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 11:10:16,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-08 11:10:16,478 INFO L87 Difference]: Start difference. First operand 489 states and 576 transitions. Second operand 10 states. [2018-12-08 11:10:16,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:10:16,592 INFO L93 Difference]: Finished difference Result 960 states and 1134 transitions. [2018-12-08 11:10:16,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-08 11:10:16,593 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2018-12-08 11:10:16,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:10:16,594 INFO L225 Difference]: With dead ends: 960 [2018-12-08 11:10:16,594 INFO L226 Difference]: Without dead ends: 495 [2018-12-08 11:10:16,595 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-08 11:10:16,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2018-12-08 11:10:16,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 478. [2018-12-08 11:10:16,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2018-12-08 11:10:16,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 545 transitions. [2018-12-08 11:10:16,608 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 545 transitions. Word has length 89 [2018-12-08 11:10:16,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:10:16,609 INFO L480 AbstractCegarLoop]: Abstraction has 478 states and 545 transitions. [2018-12-08 11:10:16,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 11:10:16,609 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 545 transitions. [2018-12-08 11:10:16,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-08 11:10:16,610 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:10:16,610 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-08 11:10:16,610 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:10:16,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:10:16,610 INFO L82 PathProgramCache]: Analyzing trace with hash -1704840315, now seen corresponding path program 1 times [2018-12-08 11:10:16,610 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:10:16,611 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:10:16,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:10:16,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:10:16,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:10:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:10:16,655 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 11:10:16,656 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 11:10:16,656 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_171d7450-a71c-427a-867f-316f19222468/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 [2018-12-08 11:10:16,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:10:16,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:10:16,755 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:10:16,872 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-08 11:10:16,897 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 11:10:16,897 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 13 [2018-12-08 11:10:16,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-08 11:10:16,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-08 11:10:16,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-12-08 11:10:16,899 INFO L87 Difference]: Start difference. First operand 478 states and 545 transitions. Second operand 13 states. [2018-12-08 11:10:17,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:10:17,658 INFO L93 Difference]: Finished difference Result 1016 states and 1227 transitions. [2018-12-08 11:10:17,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-08 11:10:17,658 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 134 [2018-12-08 11:10:17,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:10:17,660 INFO L225 Difference]: With dead ends: 1016 [2018-12-08 11:10:17,660 INFO L226 Difference]: Without dead ends: 625 [2018-12-08 11:10:17,661 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=134, Invalid=568, Unknown=0, NotChecked=0, Total=702 [2018-12-08 11:10:17,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 625 states. [2018-12-08 11:10:17,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 625 to 555. [2018-12-08 11:10:17,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 555 states. [2018-12-08 11:10:17,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 555 states and 625 transitions. [2018-12-08 11:10:17,678 INFO L78 Accepts]: Start accepts. Automaton has 555 states and 625 transitions. Word has length 134 [2018-12-08 11:10:17,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:10:17,679 INFO L480 AbstractCegarLoop]: Abstraction has 555 states and 625 transitions. [2018-12-08 11:10:17,679 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-08 11:10:17,679 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 625 transitions. [2018-12-08 11:10:17,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-08 11:10:17,680 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 11:10:17,680 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-08 11:10:17,680 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 11:10:17,680 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 11:10:17,680 INFO L82 PathProgramCache]: Analyzing trace with hash -1360572798, now seen corresponding path program 1 times [2018-12-08 11:10:17,680 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 11:10:17,680 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 11:10:17,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:10:17,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:10:17,681 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 11:10:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:10:17,731 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-08 11:10:17,731 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 11:10:17,731 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_171d7450-a71c-427a-867f-316f19222468/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 [2018-12-08 11:10:17,737 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 11:10:17,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 11:10:17,807 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 11:10:17,882 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 11 proven. 8 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-08 11:10:17,898 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 11:10:17,898 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2018-12-08 11:10:17,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-08 11:10:17,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-08 11:10:17,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-12-08 11:10:17,899 INFO L87 Difference]: Start difference. First operand 555 states and 625 transitions. Second operand 15 states. [2018-12-08 11:10:19,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 11:10:19,340 INFO L93 Difference]: Finished difference Result 2101 states and 2932 transitions. [2018-12-08 11:10:19,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-12-08 11:10:19,340 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 138 [2018-12-08 11:10:19,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 11:10:19,340 INFO L225 Difference]: With dead ends: 2101 [2018-12-08 11:10:19,340 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 11:10:19,343 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2018-12-08 11:10:19,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 11:10:19,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 11:10:19,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 11:10:19,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 11:10:19,344 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 138 [2018-12-08 11:10:19,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 11:10:19,344 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 11:10:19,344 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-08 11:10:19,344 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 11:10:19,344 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 11:10:19,347 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 11:10:19,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,441 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,442 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,748 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:19,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 11:10:20,669 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 32 [2018-12-08 11:10:20,846 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 32 [2018-12-08 11:10:22,045 WARN L180 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 51 [2018-12-08 11:10:22,203 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 476 482) the Hoare annotation is: true [2018-12-08 11:10:22,203 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 476 482) no Hoare annotation was computed. [2018-12-08 11:10:22,203 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 483 491) no Hoare annotation was computed. [2018-12-08 11:10:22,203 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 483 491) the Hoare annotation is: true [2018-12-08 11:10:22,203 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 483 491) no Hoare annotation was computed. [2018-12-08 11:10:22,203 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 931 953) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 11:10:22,203 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 931 953) no Hoare annotation was computed. [2018-12-08 11:10:22,204 INFO L444 ceAbstractionStarter]: At program point L943(line 943) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~9 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 11:10:22,204 INFO L444 ceAbstractionStarter]: At program point L943-1(line 943) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~9 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 11:10:22,204 INFO L448 ceAbstractionStarter]: For program point L941(lines 941 948) no Hoare annotation was computed. [2018-12-08 11:10:22,204 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 931 953) no Hoare annotation was computed. [2018-12-08 11:10:22,204 INFO L448 ceAbstractionStarter]: For program point L941-1(lines 941 948) no Hoare annotation was computed. [2018-12-08 11:10:22,204 INFO L448 ceAbstractionStarter]: For program point L939(line 939) no Hoare annotation was computed. [2018-12-08 11:10:22,204 INFO L444 ceAbstractionStarter]: At program point L938(line 938) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 11:10:22,204 INFO L444 ceAbstractionStarter]: At program point L937(line 937) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 11:10:22,204 INFO L444 ceAbstractionStarter]: At program point L937-1(line 937) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 11:10:22,204 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 164 172) no Hoare annotation was computed. [2018-12-08 11:10:22,204 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 164 172) the Hoare annotation is: true [2018-12-08 11:10:22,204 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 164 172) no Hoare annotation was computed. [2018-12-08 11:10:22,204 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 241) no Hoare annotation was computed. [2018-12-08 11:10:22,204 INFO L451 ceAbstractionStarter]: At program point L235(line 235) the Hoare annotation is: true [2018-12-08 11:10:22,204 INFO L448 ceAbstractionStarter]: For program point L237-2(lines 237 241) no Hoare annotation was computed. [2018-12-08 11:10:22,204 INFO L448 ceAbstractionStarter]: For program point L235-1(line 235) no Hoare annotation was computed. [2018-12-08 11:10:22,204 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 228 246) the Hoare annotation is: true [2018-12-08 11:10:22,205 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 228 246) no Hoare annotation was computed. [2018-12-08 11:10:22,205 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 228 246) no Hoare annotation was computed. [2018-12-08 11:10:22,205 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 469 475) no Hoare annotation was computed. [2018-12-08 11:10:22,205 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 469 475) the Hoare annotation is: true [2018-12-08 11:10:22,205 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 921 930) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 11:10:22,205 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 921 930) no Hoare annotation was computed. [2018-12-08 11:10:22,205 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 921 930) no Hoare annotation was computed. [2018-12-08 11:10:22,205 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 145 152) the Hoare annotation is: (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-12-08 11:10:22,205 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 145 152) no Hoare annotation was computed. [2018-12-08 11:10:22,205 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 145 152) no Hoare annotation was computed. [2018-12-08 11:10:22,205 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 431 444) no Hoare annotation was computed. [2018-12-08 11:10:22,205 INFO L448 ceAbstractionStarter]: For program point L435(lines 435 441) no Hoare annotation was computed. [2018-12-08 11:10:22,205 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 431 444) the Hoare annotation is: true [2018-12-08 11:10:22,205 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 431 444) no Hoare annotation was computed. [2018-12-08 11:10:22,205 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-08 11:10:22,205 INFO L444 ceAbstractionStarter]: At program point L122(line 122) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-08 11:10:22,205 INFO L448 ceAbstractionStarter]: For program point L120(lines 120 128) no Hoare annotation was computed. [2018-12-08 11:10:22,206 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 112 136) no Hoare annotation was computed. [2018-12-08 11:10:22,206 INFO L444 ceAbstractionStarter]: At program point L118(line 118) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-08 11:10:22,206 INFO L448 ceAbstractionStarter]: For program point L118-1(line 118) no Hoare annotation was computed. [2018-12-08 11:10:22,206 INFO L448 ceAbstractionStarter]: For program point L116(lines 116 133) no Hoare annotation was computed. [2018-12-08 11:10:22,206 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 112 136) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-12-08 11:10:22,206 INFO L444 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-12-08 11:10:22,206 INFO L448 ceAbstractionStarter]: For program point L131-1(lines 112 136) no Hoare annotation was computed. [2018-12-08 11:10:22,206 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 78 84) no Hoare annotation was computed. [2018-12-08 11:10:22,206 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 78 84) the Hoare annotation is: true [2018-12-08 11:10:22,206 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 251 314) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 11:10:22,206 INFO L444 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 11:10:22,206 INFO L448 ceAbstractionStarter]: For program point L281(lines 281 287) no Hoare annotation was computed. [2018-12-08 11:10:22,206 INFO L448 ceAbstractionStarter]: For program point L281-1(lines 281 287) no Hoare annotation was computed. [2018-12-08 11:10:22,206 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 251 314) no Hoare annotation was computed. [2018-12-08 11:10:22,206 INFO L444 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 11:10:22,207 INFO L444 ceAbstractionStarter]: At program point L304(lines 261 306) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 11:10:22,207 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 277) no Hoare annotation was computed. [2018-12-08 11:10:22,207 INFO L448 ceAbstractionStarter]: For program point L271-1(lines 271 277) no Hoare annotation was computed. [2018-12-08 11:10:22,207 INFO L448 ceAbstractionStarter]: For program point L263(lines 263 267) no Hoare annotation was computed. [2018-12-08 11:10:22,207 INFO L444 ceAbstractionStarter]: At program point L307(lines 260 308) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-08 11:10:22,207 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 301) no Hoare annotation was computed. [2018-12-08 11:10:22,207 INFO L444 ceAbstractionStarter]: At program point L297-2(lines 291 302) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1) (not (= ~systemActive~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-12-08 11:10:22,207 INFO L448 ceAbstractionStarter]: For program point L262(lines 261 306) no Hoare annotation was computed. [2018-12-08 11:10:22,207 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 302) no Hoare annotation was computed. [2018-12-08 11:10:22,207 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 251 314) no Hoare annotation was computed. [2018-12-08 11:10:22,207 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 445 453) no Hoare annotation was computed. [2018-12-08 11:10:22,207 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 445 453) the Hoare annotation is: true [2018-12-08 11:10:22,207 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 445 453) no Hoare annotation was computed. [2018-12-08 11:10:22,207 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 11:10:22,207 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-08 11:10:22,207 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 11:10:22,207 INFO L448 ceAbstractionStarter]: For program point activatePumpFINAL(lines 137 144) no Hoare annotation was computed. [2018-12-08 11:10:22,208 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 137 144) no Hoare annotation was computed. [2018-12-08 11:10:22,208 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 137 144) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (not (= ~systemActive~0 1))) [2018-12-08 11:10:22,208 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 422 430) the Hoare annotation is: true [2018-12-08 11:10:22,208 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 422 430) no Hoare annotation was computed. [2018-12-08 11:10:22,208 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 422 430) no Hoare annotation was computed. [2018-12-08 11:10:22,208 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 209 227) no Hoare annotation was computed. [2018-12-08 11:10:22,208 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 222) no Hoare annotation was computed. [2018-12-08 11:10:22,208 INFO L451 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: true [2018-12-08 11:10:22,208 INFO L448 ceAbstractionStarter]: For program point L218-2(lines 218 222) no Hoare annotation was computed. [2018-12-08 11:10:22,208 INFO L448 ceAbstractionStarter]: For program point L216-1(line 216) no Hoare annotation was computed. [2018-12-08 11:10:22,208 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 209 227) the Hoare annotation is: true [2018-12-08 11:10:22,208 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 209 227) no Hoare annotation was computed. [2018-12-08 11:10:22,208 INFO L448 ceAbstractionStarter]: For program point L382-1(lines 378 389) no Hoare annotation was computed. [2018-12-08 11:10:22,208 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 378 389) the Hoare annotation is: (let ((.cse2 (= |old(~methaneLevelCritical~0)| 0)) (.cse4 (not (= ~systemActive~0 1))) (.cse5 (= 0 ~methaneLevelCritical~0))) (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not .cse5)) (.cse7 (or (not (= 1 ~pumpRunning~0)) .cse4)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (not .cse2))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse3 .cse4 .cse6) (or .cse7 .cse2 .cse3 .cse0) (or .cse7 .cse5 .cse3 .cse6)))) [2018-12-08 11:10:22,208 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 378 389) no Hoare annotation was computed. [2018-12-08 11:10:22,208 INFO L448 ceAbstractionStarter]: For program point L866-1(line 866) no Hoare annotation was computed. [2018-12-08 11:10:22,208 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 860 889) no Hoare annotation was computed. [2018-12-08 11:10:22,208 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 860 889) the Hoare annotation is: true [2018-12-08 11:10:22,208 INFO L451 ceAbstractionStarter]: At program point L885(lines 860 889) the Hoare annotation is: true [2018-12-08 11:10:22,209 INFO L448 ceAbstractionStarter]: For program point L881(line 881) no Hoare annotation was computed. [2018-12-08 11:10:22,209 INFO L448 ceAbstractionStarter]: For program point L874(lines 874 878) no Hoare annotation was computed. [2018-12-08 11:10:22,209 INFO L451 ceAbstractionStarter]: At program point L874-1(lines 874 878) the Hoare annotation is: true [2018-12-08 11:10:22,209 INFO L448 ceAbstractionStarter]: For program point L871(line 871) no Hoare annotation was computed. [2018-12-08 11:10:22,209 INFO L451 ceAbstractionStarter]: At program point L870-2(lines 870 884) the Hoare annotation is: true [2018-12-08 11:10:22,209 INFO L451 ceAbstractionStarter]: At program point L866(line 866) the Hoare annotation is: true [2018-12-08 11:10:22,209 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 390 398) the Hoare annotation is: true [2018-12-08 11:10:22,209 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 390 398) no Hoare annotation was computed. [2018-12-08 11:10:22,209 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 390 398) no Hoare annotation was computed. [2018-12-08 11:10:22,209 INFO L444 ceAbstractionStarter]: At program point L65(lines 65 71) the Hoare annotation is: (let ((.cse15 (= 0 ~methaneLevelCritical~0)) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (= 0 ~pumpRunning~0)) (.cse16 (<= ~waterLevel~0 1)) (.cse14 (= ~systemActive~0 1)) (.cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse12 (= ~methaneLevelCritical~0 0))) (let ((.cse3 (not .cse12)) (.cse4 (and .cse15 .cse7 .cse8 .cse16 .cse14 .cse6)) (.cse0 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse11 (and (<= ~waterLevel~0 2) (= ~pumpRunning~0 1))) (.cse10 (< 2 |old(~waterLevel~0)|)) (.cse13 (and .cse7 .cse8 (not .cse15) .cse16 .cse6)) (.cse2 (not .cse14))) (and (or (or .cse0 .cse1 .cse2) .cse3 .cse4) (let ((.cse5 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|)) (.cse9 (<= ~waterLevel~0 0))) (or (and .cse5 .cse6) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2) (and .cse7 .cse8 .cse9) .cse10 (and .cse5 .cse8) (and .cse7 .cse9 .cse6))) (or .cse1 .cse11 .cse10 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse12 .cse13 .cse2) (or (= 1 ~waterLevel~0) .cse1 .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse1 .cse11 .cse12 .cse10 .cse13 .cse2)))) [2018-12-08 11:10:22,209 INFO L444 ceAbstractionStarter]: At program point L60(line 60) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (< 2 |old(~waterLevel~0)|))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (or (not (= 1 |old(~pumpRunning~0)|)) .cse1) .cse0))) [2018-12-08 11:10:22,209 INFO L448 ceAbstractionStarter]: For program point L58(lines 57 76) no Hoare annotation was computed. [2018-12-08 11:10:22,209 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 54 77) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse0 (or (not (= 1 |old(~pumpRunning~0)|)) .cse5)) (.cse4 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2 .cse5) (or (< 1 |old(~waterLevel~0)|) .cse0 .cse4) (or (= 1 ~waterLevel~0) .cse3 .cse5 (not (= |old(~waterLevel~0)| 1))) (or .cse1 .cse3 .cse2 .cse5)))) [2018-12-08 11:10:22,209 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 54 77) no Hoare annotation was computed. [2018-12-08 11:10:22,209 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 54 77) no Hoare annotation was computed. [2018-12-08 11:10:22,210 INFO L444 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (< 2 |old(~waterLevel~0)|)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (or (not (= 1 |old(~pumpRunning~0)|)) .cse0) (and .cse1 (<= ~waterLevel~0 0) .cse2) .cse3 (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse2)) (or .cse2 .cse4 .cse3 .cse0) (or .cse4 .cse1 .cse3 .cse0) (or (= 1 ~waterLevel~0) .cse4 .cse0 (not (= |old(~waterLevel~0)| 1))))) [2018-12-08 11:10:22,210 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 318 350) no Hoare annotation was computed. [2018-12-08 11:10:22,210 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 318 350) the Hoare annotation is: true [2018-12-08 11:10:22,210 INFO L444 ceAbstractionStarter]: At program point L341(line 341) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) .cse0) (or (< 2 ~waterLevel~0) (not (= 1 ~pumpRunning~0)) .cse0))) [2018-12-08 11:10:22,210 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 343) no Hoare annotation was computed. [2018-12-08 11:10:22,210 INFO L444 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse3 (< 1 ~waterLevel~0)) (.cse0 (< 2 ~waterLevel~0)) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (= __utac_acc__Specification3_spec__1_~tmp~5 ~methaneLevelCritical~0) .cse0 .cse1 .cse2) (or .cse3 (not (= 0 ~pumpRunning~0)) .cse2) (or .cse3 .cse1 .cse2) (or (= ~methaneLevelCritical~0 0) .cse0 .cse1 .cse2))) [2018-12-08 11:10:22,210 INFO L448 ceAbstractionStarter]: For program point L335-1(line 335) no Hoare annotation was computed. [2018-12-08 11:10:22,210 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 346) no Hoare annotation was computed. [2018-12-08 11:10:22,210 INFO L448 ceAbstractionStarter]: For program point L333-1(lines 318 350) no Hoare annotation was computed. [2018-12-08 11:10:22,210 INFO L444 ceAbstractionStarter]: At program point L331(line 331) the Hoare annotation is: (let ((.cse0 (= __utac_acc__Specification3_spec__1_~tmp~5 ~methaneLevelCritical~0)) (.cse4 (< 1 ~waterLevel~0)) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse6 .cse1 .cse2 .cse3))) [2018-12-08 11:10:22,210 INFO L448 ceAbstractionStarter]: For program point L331-1(line 331) no Hoare annotation was computed. [2018-12-08 11:10:22,210 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2018-12-08 11:10:22,210 INFO L451 ceAbstractionStarter]: At program point L325(line 325) the Hoare annotation is: true [2018-12-08 11:10:22,210 INFO L448 ceAbstractionStarter]: For program point L325-1(line 325) no Hoare annotation was computed. [2018-12-08 11:10:22,211 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 354 365) the Hoare annotation is: (let ((.cse0 (not (= 1 ~pumpRunning~0))) (.cse1 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1))))) (and (or (<= ~waterLevel~0 2) (< 2 |old(~waterLevel~0)|) .cse0 .cse1) (or (< 1 |old(~waterLevel~0)|) (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse0 .cse1))) [2018-12-08 11:10:22,211 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 354 365) no Hoare annotation was computed. [2018-12-08 11:10:22,211 INFO L448 ceAbstractionStarter]: For program point L358-1(lines 354 365) no Hoare annotation was computed. [2018-12-08 11:10:22,211 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 914 920) no Hoare annotation was computed. [2018-12-08 11:10:22,211 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 914 920) the Hoare annotation is: true [2018-12-08 11:10:22,211 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 11:10:22,211 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)) [2018-12-08 11:10:22,211 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 11:10:22,211 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 11:10:22,211 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 86 110) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse1) (or (< 1 ~waterLevel~0) .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1))) [2018-12-08 11:10:22,211 INFO L444 ceAbstractionStarter]: At program point L96(line 96) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or .cse1 .cse0 (not (= ~waterLevel~0 1))) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 (< 2 ~waterLevel~0) .cse0) (or (< 0 ~waterLevel~0) .cse1 .cse0))) [2018-12-08 11:10:22,211 INFO L448 ceAbstractionStarter]: For program point L94(lines 94 102) no Hoare annotation was computed. [2018-12-08 11:10:22,211 INFO L444 ceAbstractionStarter]: At program point L92(line 92) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0))) [2018-12-08 11:10:22,211 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 86 110) no Hoare annotation was computed. [2018-12-08 11:10:22,211 INFO L448 ceAbstractionStarter]: For program point L92-1(line 92) no Hoare annotation was computed. [2018-12-08 11:10:22,211 INFO L448 ceAbstractionStarter]: For program point L90(lines 90 107) no Hoare annotation was computed. [2018-12-08 11:10:22,211 INFO L444 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (< 2 ~waterLevel~0) .cse0) (or (< 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0))) [2018-12-08 11:10:22,211 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 86 110) no Hoare annotation was computed. [2018-12-08 11:10:22,212 INFO L444 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (< 1 ~waterLevel~0) (not (= 1 |old(~pumpRunning~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (<= ~waterLevel~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (< 2 ~waterLevel~0) .cse0))) [2018-12-08 11:10:22,212 INFO L448 ceAbstractionStarter]: For program point L370-1(lines 366 377) no Hoare annotation was computed. [2018-12-08 11:10:22,212 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 366 377) no Hoare annotation was computed. [2018-12-08 11:10:22,212 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 366 377) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 (< 2 |old(~waterLevel~0)|) (not (= 1 ~pumpRunning~0)) .cse1) (or (or (< 1 |old(~waterLevel~0)|) (not (= 0 ~pumpRunning~0)) .cse1) .cse0))) [2018-12-08 11:10:22,212 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 955 962) no Hoare annotation was computed. [2018-12-08 11:10:22,212 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 955 962) the Hoare annotation is: true [2018-12-08 11:10:22,212 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 959) no Hoare annotation was computed. [2018-12-08 11:10:22,212 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 955 962) no Hoare annotation was computed. [2018-12-08 11:10:22,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 11:10:22 BoogieIcfgContainer [2018-12-08 11:10:22,220 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 11:10:22,220 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 11:10:22,220 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 11:10:22,221 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 11:10:22,221 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 11:10:14" (3/4) ... [2018-12-08 11:10:22,223 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 11:10:22,227 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 11:10:22,227 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 11:10:22,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 11:10:22,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 11:10:22,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 11:10:22,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 11:10:22,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 11:10:22,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 11:10:22,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 11:10:22,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 11:10:22,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 11:10:22,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 11:10:22,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 11:10:22,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 11:10:22,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 11:10:22,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-08 11:10:22,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 11:10:22,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 11:10:22,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 11:10:22,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 11:10:22,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 11:10:22,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-12-08 11:10:22,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 11:10:22,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 11:10:22,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 11:10:22,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 11:10:22,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 11:10:22,233 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 45 nodes and edges [2018-12-08 11:10:22,233 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 11:10:22,234 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 11:10:22,234 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 11:10:22,234 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 11:10:22,234 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 11:10:22,251 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 11:10:22,251 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-08 11:10:22,273 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_171d7450-a71c-427a-867f-316f19222468/bin-2019/uautomizer/witness.graphml [2018-12-08 11:10:22,273 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 11:10:22,273 INFO L168 Benchmark]: Toolchain (without parser) took 8313.28 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 285.2 MB). Free memory was 948.6 MB in the beginning and 1.1 GB in the end (delta: -132.2 MB). Peak memory consumption was 153.0 MB. Max. memory is 11.5 GB. [2018-12-08 11:10:22,274 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-12-08 11:10:22,274 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 948.6 MB in the beginning and 1.1 GB in the end (delta: -153.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. [2018-12-08 11:10:22,274 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 11:10:22,274 INFO L168 Benchmark]: Boogie Preprocessor took 20.35 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. [2018-12-08 11:10:22,274 INFO L168 Benchmark]: RCFGBuilder took 313.89 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: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 11.5 GB. [2018-12-08 11:10:22,274 INFO L168 Benchmark]: TraceAbstraction took 7610.15 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 171.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -46.7 MB). Peak memory consumption was 399.6 MB. Max. memory is 11.5 GB. [2018-12-08 11:10:22,275 INFO L168 Benchmark]: Witness Printer took 52.61 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2018-12-08 11:10:22,275 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 294.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 113.8 MB). Free memory was 948.6 MB in the beginning and 1.1 GB in the end (delta: -153.5 MB). Peak memory consumption was 27.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.73 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.35 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 313.89 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: 51.5 MB). Peak memory consumption was 51.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7610.15 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 171.4 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -46.7 MB). Peak memory consumption was 399.6 MB. Max. memory is 11.5 GB. * Witness Printer took 52.61 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 959]: 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: 261]: Loop Invariant Derived loop invariant: ((((((waterLevel <= 2 && pumpRunning == 1) && splverifierCounter == 0) || !(systemActive == 1)) || !(0 == \old(pumpRunning))) || ((0 == pumpRunning && waterLevel <= 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 870]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 147 locations, 1 error locations. SAFE Result, 7.5s OverallTime, 12 OverallIterations, 2 TraceHistogramMax, 3.1s AutomataDifference, 0.0s DeadEndRemovalTime, 2.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2001 SDtfs, 1726 SDslu, 6957 SDs, 0 SdLazy, 4859 SolverSat, 947 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 441 GetRequests, 315 SyntacticMatches, 2 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 533 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=555occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 133 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 1988 PreInvPairs, 2423 NumberOfFragments, 1540 HoareAnnotationTreeSize, 1988 FomulaSimplifications, 11939 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 60 FomulaSimplificationsInter, 23195 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1297 NumberOfCodeBlocks, 1297 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1283 ConstructedInterpolants, 0 QuantifiedInterpolants, 223460 SizeOfPredicates, 14 NumberOfNonLiveVariables, 1636 ConjunctsInSsa, 41 ConjunctsInUnsatCore, 14 InterpolantComputations, 10 PerfectInterpolantSequences, 80/96 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...