./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product58_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_165660be-49cd-4259-a369-084684132b50/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_165660be-49cd-4259-a369-084684132b50/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_165660be-49cd-4259-a369-084684132b50/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_165660be-49cd-4259-a369-084684132b50/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product58_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_165660be-49cd-4259-a369-084684132b50/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_165660be-49cd-4259-a369-084684132b50/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 f0abcca86e101e0402ce9c7a98a1409292a39ee1 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 14:28:55,927 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 14:28:55,928 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 14:28:55,935 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 14:28:55,935 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 14:28:55,936 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 14:28:55,937 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 14:28:55,938 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 14:28:55,939 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 14:28:55,940 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 14:28:55,940 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 14:28:55,940 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 14:28:55,941 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 14:28:55,942 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 14:28:55,943 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 14:28:55,943 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 14:28:55,944 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 14:28:55,945 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 14:28:55,946 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 14:28:55,947 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 14:28:55,948 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 14:28:55,949 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 14:28:55,951 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 14:28:55,951 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 14:28:55,951 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 14:28:55,952 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 14:28:55,952 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 14:28:55,953 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 14:28:55,953 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 14:28:55,954 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 14:28:55,954 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 14:28:55,955 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 14:28:55,955 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 14:28:55,955 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 14:28:55,956 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 14:28:55,956 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 14:28:55,957 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_165660be-49cd-4259-a369-084684132b50/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-23 14:28:55,967 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 14:28:55,967 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 14:28:55,967 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 14:28:55,968 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 14:28:55,968 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 14:28:55,968 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 14:28:55,968 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 14:28:55,969 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 14:28:55,969 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 14:28:55,969 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 14:28:55,969 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 14:28:55,969 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 14:28:55,969 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 14:28:55,969 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 14:28:55,970 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 14:28:55,970 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 14:28:55,970 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 14:28:55,970 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 14:28:55,970 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 14:28:55,970 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 14:28:55,970 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 14:28:55,971 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 14:28:55,971 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 14:28:55,971 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:28:55,971 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 14:28:55,971 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 14:28:55,971 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 14:28:55,971 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 14:28:55,972 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 14:28:55,972 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 14:28:55,972 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_165660be-49cd-4259-a369-084684132b50/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 -> f0abcca86e101e0402ce9c7a98a1409292a39ee1 [2018-11-23 14:28:55,994 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 14:28:56,002 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 14:28:56,004 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 14:28:56,005 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 14:28:56,005 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 14:28:56,006 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_165660be-49cd-4259-a369-084684132b50/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec3_product58_true-unreach-call_false-termination.cil.c [2018-11-23 14:28:56,047 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_165660be-49cd-4259-a369-084684132b50/bin-2019/uautomizer/data/8a5b458e5/6858c3a31c884358b925f57eecf4b46f/FLAG335e832f7 [2018-11-23 14:28:56,473 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 14:28:56,473 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_165660be-49cd-4259-a369-084684132b50/sv-benchmarks/c/product-lines/minepump_spec3_product58_true-unreach-call_false-termination.cil.c [2018-11-23 14:28:56,480 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_165660be-49cd-4259-a369-084684132b50/bin-2019/uautomizer/data/8a5b458e5/6858c3a31c884358b925f57eecf4b46f/FLAG335e832f7 [2018-11-23 14:28:56,491 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_165660be-49cd-4259-a369-084684132b50/bin-2019/uautomizer/data/8a5b458e5/6858c3a31c884358b925f57eecf4b46f [2018-11-23 14:28:56,493 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 14:28:56,494 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 14:28:56,495 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 14:28:56,495 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 14:28:56,498 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 14:28:56,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:28:56" (1/1) ... [2018-11-23 14:28:56,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44db1cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:56, skipping insertion in model container [2018-11-23 14:28:56,501 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:28:56" (1/1) ... [2018-11-23 14:28:56,509 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 14:28:56,542 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 14:28:56,740 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:28:56,749 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 14:28:56,853 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 14:28:56,870 INFO L195 MainTranslator]: Completed translation [2018-11-23 14:28:56,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:56 WrapperNode [2018-11-23 14:28:56,870 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 14:28:56,871 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 14:28:56,871 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 14:28:56,871 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 14:28:56,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:56" (1/1) ... [2018-11-23 14:28:56,888 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:56" (1/1) ... [2018-11-23 14:28:56,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 14:28:56,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 14:28:56,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 14:28:56,893 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 14:28:56,899 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:56" (1/1) ... [2018-11-23 14:28:56,899 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:56" (1/1) ... [2018-11-23 14:28:56,902 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:56" (1/1) ... [2018-11-23 14:28:56,903 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:56" (1/1) ... [2018-11-23 14:28:56,910 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:56" (1/1) ... [2018-11-23 14:28:56,914 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:56" (1/1) ... [2018-11-23 14:28:56,917 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:56" (1/1) ... [2018-11-23 14:28:56,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 14:28:56,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 14:28:56,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 14:28:56,920 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 14:28:56,921 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_165660be-49cd-4259-a369-084684132b50/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 14:28:56,959 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 14:28:56,959 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 14:28:56,959 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 14:28:56,959 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 14:28:56,960 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 14:28:56,960 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 14:28:56,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 14:28:56,960 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 14:28:56,960 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 14:28:56,960 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 14:28:56,960 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 14:28:56,960 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-23 14:28:56,960 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-23 14:28:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 14:28:56,961 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 14:28:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 14:28:56,961 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 14:28:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 14:28:56,961 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-23 14:28:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 14:28:56,961 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 14:28:56,961 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-23 14:28:56,962 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-23 14:28:56,962 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-23 14:28:56,962 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-23 14:28:56,962 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 14:28:56,962 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 14:28:56,962 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-23 14:28:56,962 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-23 14:28:56,962 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 14:28:56,962 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 14:28:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 14:28:56,963 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 14:28:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 14:28:56,963 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 14:28:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 14:28:56,963 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 14:28:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 14:28:56,963 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 14:28:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 14:28:56,963 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 14:28:56,963 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 14:28:56,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 14:28:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 14:28:56,964 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 14:28:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 14:28:56,964 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 14:28:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 14:28:56,964 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 14:28:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-23 14:28:56,964 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-23 14:28:56,964 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 14:28:56,965 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 14:28:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 14:28:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 14:28:56,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 14:28:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 14:28:56,965 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 14:28:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2018-11-23 14:28:56,965 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2018-11-23 14:28:56,965 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 14:28:56,965 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 14:28:56,966 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 14:28:56,966 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 14:28:57,384 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 14:28:57,384 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 14:28:57,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:57 BoogieIcfgContainer [2018-11-23 14:28:57,385 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 14:28:57,385 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 14:28:57,385 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 14:28:57,387 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 14:28:57,387 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:28:56" (1/3) ... [2018-11-23 14:28:57,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@514c3fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:28:57, skipping insertion in model container [2018-11-23 14:28:57,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:28:56" (2/3) ... [2018-11-23 14:28:57,388 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@514c3fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:28:57, skipping insertion in model container [2018-11-23 14:28:57,388 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:57" (3/3) ... [2018-11-23 14:28:57,389 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product58_true-unreach-call_false-termination.cil.c [2018-11-23 14:28:57,397 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 14:28:57,403 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 14:28:57,416 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 14:28:57,434 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 14:28:57,435 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 14:28:57,435 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 14:28:57,435 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 14:28:57,435 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 14:28:57,435 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 14:28:57,435 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 14:28:57,435 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 14:28:57,435 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 14:28:57,452 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states. [2018-11-23 14:28:57,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 14:28:57,460 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:28:57,461 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] [2018-11-23 14:28:57,463 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:28:57,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:28:57,466 INFO L82 PathProgramCache]: Analyzing trace with hash 1271875382, now seen corresponding path program 1 times [2018-11-23 14:28:57,467 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:28:57,468 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:28:57,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:28:57,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:28:57,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:28:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:28:57,649 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:28:57,651 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:28:57,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 14:28:57,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 14:28:57,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 14:28:57,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 14:28:57,663 INFO L87 Difference]: Start difference. First operand 163 states. Second operand 2 states. [2018-11-23 14:28:57,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:28:57,692 INFO L93 Difference]: Finished difference Result 300 states and 367 transitions. [2018-11-23 14:28:57,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 14:28:57,693 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2018-11-23 14:28:57,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:28:57,701 INFO L225 Difference]: With dead ends: 300 [2018-11-23 14:28:57,701 INFO L226 Difference]: Without dead ends: 150 [2018-11-23 14:28:57,704 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 14:28:57,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-11-23 14:28:57,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-11-23 14:28:57,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-11-23 14:28:57,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 175 transitions. [2018-11-23 14:28:57,736 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 175 transitions. Word has length 52 [2018-11-23 14:28:57,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:28:57,736 INFO L480 AbstractCegarLoop]: Abstraction has 150 states and 175 transitions. [2018-11-23 14:28:57,736 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 14:28:57,737 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 175 transitions. [2018-11-23 14:28:57,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-23 14:28:57,739 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:28:57,739 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] [2018-11-23 14:28:57,739 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:28:57,739 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:28:57,739 INFO L82 PathProgramCache]: Analyzing trace with hash -34531406, now seen corresponding path program 1 times [2018-11-23 14:28:57,739 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:28:57,739 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:28:57,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:28:57,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:28:57,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:28:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:28:57,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:28:57,818 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:28:57,818 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 14:28:57,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 14:28:57,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 14:28:57,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:28:57,820 INFO L87 Difference]: Start difference. First operand 150 states and 175 transitions. Second operand 3 states. [2018-11-23 14:28:57,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:28:57,839 INFO L93 Difference]: Finished difference Result 245 states and 285 transitions. [2018-11-23 14:28:57,840 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 14:28:57,840 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2018-11-23 14:28:57,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:28:57,842 INFO L225 Difference]: With dead ends: 245 [2018-11-23 14:28:57,842 INFO L226 Difference]: Without dead ends: 141 [2018-11-23 14:28:57,843 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 14:28:57,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-23 14:28:57,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-11-23 14:28:57,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-23 14:28:57,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 163 transitions. [2018-11-23 14:28:57,855 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 163 transitions. Word has length 53 [2018-11-23 14:28:57,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:28:57,855 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 163 transitions. [2018-11-23 14:28:57,855 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 14:28:57,856 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 163 transitions. [2018-11-23 14:28:57,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-23 14:28:57,857 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:28:57,857 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:28:57,857 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:28:57,858 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:28:57,858 INFO L82 PathProgramCache]: Analyzing trace with hash -1148135132, now seen corresponding path program 1 times [2018-11-23 14:28:57,858 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:28:57,858 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:28:57,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:28:57,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:28:57,859 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:28:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:28:57,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:28:57,968 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:28:57,968 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 14:28:57,969 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 14:28:57,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 14:28:57,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 14:28:57,969 INFO L87 Difference]: Start difference. First operand 141 states and 163 transitions. Second operand 7 states. [2018-11-23 14:28:58,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:28:58,222 INFO L93 Difference]: Finished difference Result 258 states and 303 transitions. [2018-11-23 14:28:58,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 14:28:58,222 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 58 [2018-11-23 14:28:58,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:28:58,224 INFO L225 Difference]: With dead ends: 258 [2018-11-23 14:28:58,224 INFO L226 Difference]: Without dead ends: 141 [2018-11-23 14:28:58,225 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 14:28:58,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-11-23 14:28:58,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-11-23 14:28:58,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-11-23 14:28:58,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 162 transitions. [2018-11-23 14:28:58,236 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 162 transitions. Word has length 58 [2018-11-23 14:28:58,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:28:58,236 INFO L480 AbstractCegarLoop]: Abstraction has 141 states and 162 transitions. [2018-11-23 14:28:58,237 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 14:28:58,237 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 162 transitions. [2018-11-23 14:28:58,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-23 14:28:58,238 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:28:58,239 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, 1] [2018-11-23 14:28:58,239 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:28:58,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:28:58,239 INFO L82 PathProgramCache]: Analyzing trace with hash -139469963, now seen corresponding path program 1 times [2018-11-23 14:28:58,239 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:28:58,239 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:28:58,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:28:58,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:28:58,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:28:58,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:28:58,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:28:58,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:28:58,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 14:28:58,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 14:28:58,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 14:28:58,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 14:28:58,332 INFO L87 Difference]: Start difference. First operand 141 states and 162 transitions. Second operand 5 states. [2018-11-23 14:28:58,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:28:58,730 INFO L93 Difference]: Finished difference Result 371 states and 443 transitions. [2018-11-23 14:28:58,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 14:28:58,730 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 71 [2018-11-23 14:28:58,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:28:58,732 INFO L225 Difference]: With dead ends: 371 [2018-11-23 14:28:58,732 INFO L226 Difference]: Without dead ends: 254 [2018-11-23 14:28:58,733 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-23 14:28:58,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-11-23 14:28:58,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 235. [2018-11-23 14:28:58,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-11-23 14:28:58,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 267 transitions. [2018-11-23 14:28:58,758 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 267 transitions. Word has length 71 [2018-11-23 14:28:58,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:28:58,758 INFO L480 AbstractCegarLoop]: Abstraction has 235 states and 267 transitions. [2018-11-23 14:28:58,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 14:28:58,758 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 267 transitions. [2018-11-23 14:28:58,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-23 14:28:58,760 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:28:58,760 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] [2018-11-23 14:28:58,764 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:28:58,764 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:28:58,764 INFO L82 PathProgramCache]: Analyzing trace with hash -2129755687, now seen corresponding path program 1 times [2018-11-23 14:28:58,764 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:28:58,764 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:28:58,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:28:58,765 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:28:58,765 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:28:58,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:28:58,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:28:58,845 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:28:58,845 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 14:28:58,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 14:28:58,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 14:28:58,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 14:28:58,846 INFO L87 Difference]: Start difference. First operand 235 states and 267 transitions. Second operand 6 states. [2018-11-23 14:28:58,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:28:58,965 INFO L93 Difference]: Finished difference Result 580 states and 691 transitions. [2018-11-23 14:28:58,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 14:28:58,965 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 85 [2018-11-23 14:28:58,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:28:58,971 INFO L225 Difference]: With dead ends: 580 [2018-11-23 14:28:58,971 INFO L226 Difference]: Without dead ends: 369 [2018-11-23 14:28:58,972 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 [2018-11-23 14:28:58,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2018-11-23 14:28:58,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 365. [2018-11-23 14:28:58,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2018-11-23 14:28:58,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 421 transitions. [2018-11-23 14:28:58,994 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 421 transitions. Word has length 85 [2018-11-23 14:28:58,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:28:58,995 INFO L480 AbstractCegarLoop]: Abstraction has 365 states and 421 transitions. [2018-11-23 14:28:58,995 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 14:28:58,995 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 421 transitions. [2018-11-23 14:28:58,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 14:28:58,997 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:28:58,997 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] [2018-11-23 14:28:58,997 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:28:58,997 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:28:58,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1166702943, now seen corresponding path program 1 times [2018-11-23 14:28:58,997 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:28:58,997 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:28:58,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:28:58,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:28:58,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:28:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:28:59,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:28:59,088 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:28:59,088 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 14:28:59,088 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 14:28:59,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 14:28:59,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-23 14:28:59,089 INFO L87 Difference]: Start difference. First operand 365 states and 421 transitions. Second operand 6 states. [2018-11-23 14:28:59,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:28:59,220 INFO L93 Difference]: Finished difference Result 782 states and 936 transitions. [2018-11-23 14:28:59,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 14:28:59,221 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 89 [2018-11-23 14:28:59,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:28:59,224 INFO L225 Difference]: With dead ends: 782 [2018-11-23 14:28:59,224 INFO L226 Difference]: Without dead ends: 571 [2018-11-23 14:28:59,225 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 [2018-11-23 14:28:59,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2018-11-23 14:28:59,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 553. [2018-11-23 14:28:59,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 553 states. [2018-11-23 14:28:59,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 553 states and 651 transitions. [2018-11-23 14:28:59,255 INFO L78 Accepts]: Start accepts. Automaton has 553 states and 651 transitions. Word has length 89 [2018-11-23 14:28:59,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:28:59,255 INFO L480 AbstractCegarLoop]: Abstraction has 553 states and 651 transitions. [2018-11-23 14:28:59,256 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 14:28:59,256 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 651 transitions. [2018-11-23 14:28:59,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 14:28:59,257 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:28:59,257 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] [2018-11-23 14:28:59,258 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:28:59,258 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:28:59,258 INFO L82 PathProgramCache]: Analyzing trace with hash 244019360, now seen corresponding path program 1 times [2018-11-23 14:28:59,258 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:28:59,258 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:28:59,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:28:59,259 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:28:59,259 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:28:59,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:28:59,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:28:59,310 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:28:59,310 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 14:28:59,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 14:28:59,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 14:28:59,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 14:28:59,311 INFO L87 Difference]: Start difference. First operand 553 states and 651 transitions. Second operand 5 states. [2018-11-23 14:28:59,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:28:59,346 INFO L93 Difference]: Finished difference Result 962 states and 1154 transitions. [2018-11-23 14:28:59,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 14:28:59,347 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 89 [2018-11-23 14:28:59,347 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:28:59,349 INFO L225 Difference]: With dead ends: 962 [2018-11-23 14:28:59,349 INFO L226 Difference]: Without dead ends: 563 [2018-11-23 14:28:59,350 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 [2018-11-23 14:28:59,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2018-11-23 14:28:59,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 557. [2018-11-23 14:28:59,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2018-11-23 14:28:59,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 654 transitions. [2018-11-23 14:28:59,370 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 654 transitions. Word has length 89 [2018-11-23 14:28:59,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:28:59,371 INFO L480 AbstractCegarLoop]: Abstraction has 557 states and 654 transitions. [2018-11-23 14:28:59,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 14:28:59,371 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 654 transitions. [2018-11-23 14:28:59,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 14:28:59,372 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:28:59,372 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] [2018-11-23 14:28:59,373 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:28:59,373 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:28:59,373 INFO L82 PathProgramCache]: Analyzing trace with hash -599986142, now seen corresponding path program 1 times [2018-11-23 14:28:59,373 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:28:59,373 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:28:59,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:28:59,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:28:59,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:28:59,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:28:59,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:28:59,457 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:28:59,457 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-23 14:28:59,458 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 14:28:59,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 14:28:59,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-23 14:28:59,458 INFO L87 Difference]: Start difference. First operand 557 states and 654 transitions. Second operand 9 states. [2018-11-23 14:28:59,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:28:59,500 INFO L93 Difference]: Finished difference Result 1107 states and 1326 transitions. [2018-11-23 14:28:59,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 14:28:59,501 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2018-11-23 14:28:59,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:28:59,504 INFO L225 Difference]: With dead ends: 1107 [2018-11-23 14:28:59,504 INFO L226 Difference]: Without dead ends: 574 [2018-11-23 14:28:59,505 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 [2018-11-23 14:28:59,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2018-11-23 14:28:59,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 564. [2018-11-23 14:28:59,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2018-11-23 14:28:59,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 661 transitions. [2018-11-23 14:28:59,524 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 661 transitions. Word has length 89 [2018-11-23 14:28:59,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:28:59,524 INFO L480 AbstractCegarLoop]: Abstraction has 564 states and 661 transitions. [2018-11-23 14:28:59,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 14:28:59,525 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 661 transitions. [2018-11-23 14:28:59,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-23 14:28:59,526 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:28:59,526 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:28:59,526 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:28:59,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:28:59,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1008052965, now seen corresponding path program 1 times [2018-11-23 14:28:59,526 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:28:59,527 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:28:59,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:28:59,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:28:59,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:28:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:28:59,625 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 14:28:59,625 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:28:59,626 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_165660be-49cd-4259-a369-084684132b50/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 14:28:59,640 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:28:59,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:28:59,725 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:28:59,812 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 14:28:59,829 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 14:28:59,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 14 [2018-11-23 14:28:59,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 14:28:59,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 14:28:59,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2018-11-23 14:28:59,831 INFO L87 Difference]: Start difference. First operand 564 states and 661 transitions. Second operand 14 states. [2018-11-23 14:29:00,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:29:00,436 INFO L93 Difference]: Finished difference Result 1529 states and 1851 transitions. [2018-11-23 14:29:00,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 14:29:00,437 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 101 [2018-11-23 14:29:00,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:29:00,441 INFO L225 Difference]: With dead ends: 1529 [2018-11-23 14:29:00,441 INFO L226 Difference]: Without dead ends: 989 [2018-11-23 14:29:00,443 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=287, Unknown=0, NotChecked=0, Total=342 [2018-11-23 14:29:00,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 989 states. [2018-11-23 14:29:00,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 989 to 986. [2018-11-23 14:29:00,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 986 states. [2018-11-23 14:29:00,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1146 transitions. [2018-11-23 14:29:00,493 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1146 transitions. Word has length 101 [2018-11-23 14:29:00,494 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:29:00,494 INFO L480 AbstractCegarLoop]: Abstraction has 986 states and 1146 transitions. [2018-11-23 14:29:00,494 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 14:29:00,494 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1146 transitions. [2018-11-23 14:29:00,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 14:29:00,496 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:29:00,496 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:29:00,496 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:29:00,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:29:00,497 INFO L82 PathProgramCache]: Analyzing trace with hash 968557213, now seen corresponding path program 1 times [2018-11-23 14:29:00,497 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:29:00,497 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:29:00,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:29:00,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:29:00,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:29:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:29:00,594 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 14:29:00,594 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:29:00,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 14:29:00,595 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 14:29:00,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 14:29:00,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 14:29:00,595 INFO L87 Difference]: Start difference. First operand 986 states and 1146 transitions. Second operand 10 states. [2018-11-23 14:29:00,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:29:00,777 INFO L93 Difference]: Finished difference Result 1958 states and 2279 transitions. [2018-11-23 14:29:00,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 14:29:00,777 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2018-11-23 14:29:00,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:29:00,781 INFO L225 Difference]: With dead ends: 1958 [2018-11-23 14:29:00,781 INFO L226 Difference]: Without dead ends: 996 [2018-11-23 14:29:00,784 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 [2018-11-23 14:29:00,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 996 states. [2018-11-23 14:29:00,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 996 to 948. [2018-11-23 14:29:00,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 948 states. [2018-11-23 14:29:00,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1071 transitions. [2018-11-23 14:29:00,834 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1071 transitions. Word has length 105 [2018-11-23 14:29:00,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:29:00,835 INFO L480 AbstractCegarLoop]: Abstraction has 948 states and 1071 transitions. [2018-11-23 14:29:00,835 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 14:29:00,835 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1071 transitions. [2018-11-23 14:29:00,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-23 14:29:00,837 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:29:00,837 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:29:00,837 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:29:00,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:29:00,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1820463103, now seen corresponding path program 1 times [2018-11-23 14:29:00,838 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:29:00,838 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:29:00,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:29:00,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:29:00,839 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:29:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:29:00,949 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 14:29:00,949 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 14:29:00,949 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 14:29:00,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 14:29:00,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 14:29:00,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 14:29:00,950 INFO L87 Difference]: Start difference. First operand 948 states and 1071 transitions. Second operand 10 states. [2018-11-23 14:29:01,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:29:01,123 INFO L93 Difference]: Finished difference Result 1846 states and 2107 transitions. [2018-11-23 14:29:01,124 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 14:29:01,124 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 105 [2018-11-23 14:29:01,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:29:01,127 INFO L225 Difference]: With dead ends: 1846 [2018-11-23 14:29:01,128 INFO L226 Difference]: Without dead ends: 922 [2018-11-23 14:29:01,129 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 [2018-11-23 14:29:01,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2018-11-23 14:29:01,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 906. [2018-11-23 14:29:01,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 906 states. [2018-11-23 14:29:01,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 906 states to 906 states and 1021 transitions. [2018-11-23 14:29:01,168 INFO L78 Accepts]: Start accepts. Automaton has 906 states and 1021 transitions. Word has length 105 [2018-11-23 14:29:01,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:29:01,169 INFO L480 AbstractCegarLoop]: Abstraction has 906 states and 1021 transitions. [2018-11-23 14:29:01,169 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 14:29:01,169 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1021 transitions. [2018-11-23 14:29:01,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-23 14:29:01,172 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:29:01,172 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:29:01,172 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:29:01,172 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:29:01,173 INFO L82 PathProgramCache]: Analyzing trace with hash 1019303520, now seen corresponding path program 1 times [2018-11-23 14:29:01,173 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:29:01,173 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:29:01,173 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:29:01,173 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:29:01,174 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:29:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:29:01,228 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 17 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 14:29:01,228 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:29:01,228 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_165660be-49cd-4259-a369-084684132b50/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 14:29:01,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:29:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:29:01,345 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:29:01,482 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-23 14:29:01,508 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 14:29:01,509 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 13 [2018-11-23 14:29:01,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-23 14:29:01,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-23 14:29:01,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2018-11-23 14:29:01,510 INFO L87 Difference]: Start difference. First operand 906 states and 1021 transitions. Second operand 13 states. [2018-11-23 14:29:02,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:29:02,658 INFO L93 Difference]: Finished difference Result 2413 states and 2919 transitions. [2018-11-23 14:29:02,658 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-23 14:29:02,658 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 151 [2018-11-23 14:29:02,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:29:02,663 INFO L225 Difference]: With dead ends: 2413 [2018-11-23 14:29:02,663 INFO L226 Difference]: Without dead ends: 1531 [2018-11-23 14:29:02,665 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=134, Invalid=568, Unknown=0, NotChecked=0, Total=702 [2018-11-23 14:29:02,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1531 states. [2018-11-23 14:29:02,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1531 to 1298. [2018-11-23 14:29:02,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1298 states. [2018-11-23 14:29:02,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1298 states and 1449 transitions. [2018-11-23 14:29:02,709 INFO L78 Accepts]: Start accepts. Automaton has 1298 states and 1449 transitions. Word has length 151 [2018-11-23 14:29:02,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:29:02,709 INFO L480 AbstractCegarLoop]: Abstraction has 1298 states and 1449 transitions. [2018-11-23 14:29:02,709 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-23 14:29:02,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1298 states and 1449 transitions. [2018-11-23 14:29:02,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-23 14:29:02,712 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 14:29:02,712 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 14:29:02,712 INFO L423 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 14:29:02,712 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 14:29:02,712 INFO L82 PathProgramCache]: Analyzing trace with hash -506950039, now seen corresponding path program 1 times [2018-11-23 14:29:02,712 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 14:29:02,712 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 14:29:02,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:29:02,713 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:29:02,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 14:29:02,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:29:02,782 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 14:29:02,782 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 14:29:02,782 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_165660be-49cd-4259-a369-084684132b50/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 14:29:02,800 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 14:29:02,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 14:29:02,875 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 14:29:02,990 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 14 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 14:29:03,005 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-11-23 14:29:03,006 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2018-11-23 14:29:03,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 14:29:03,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 14:29:03,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2018-11-23 14:29:03,007 INFO L87 Difference]: Start difference. First operand 1298 states and 1449 transitions. Second operand 15 states. [2018-11-23 14:29:04,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 14:29:04,872 INFO L93 Difference]: Finished difference Result 3289 states and 4246 transitions. [2018-11-23 14:29:04,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-11-23 14:29:04,873 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 155 [2018-11-23 14:29:04,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 14:29:04,873 INFO L225 Difference]: With dead ends: 3289 [2018-11-23 14:29:04,874 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 14:29:04,880 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 439 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=349, Invalid=1543, Unknown=0, NotChecked=0, Total=1892 [2018-11-23 14:29:04,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 14:29:04,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 14:29:04,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 14:29:04,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 14:29:04,882 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 155 [2018-11-23 14:29:04,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 14:29:04,882 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 14:29:04,882 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 14:29:04,882 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 14:29:04,882 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 14:29:04,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 14:29:05,067 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,094 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,100 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,109 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,135 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,195 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,202 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,203 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,205 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,309 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,725 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:05,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 14:29:06,037 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 28 [2018-11-23 14:29:06,413 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 41 [2018-11-23 14:29:06,807 WARN L180 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 53 [2018-11-23 14:29:07,127 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 27 [2018-11-23 14:29:07,549 WARN L180 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 49 [2018-11-23 14:29:07,766 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 28 [2018-11-23 14:29:08,024 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 38 [2018-11-23 14:29:08,499 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 39 [2018-11-23 14:29:08,611 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 32 [2018-11-23 14:29:09,513 WARN L180 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 56 [2018-11-23 14:29:09,724 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 162 168) the Hoare annotation is: true [2018-11-23 14:29:09,725 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 162 168) no Hoare annotation was computed. [2018-11-23 14:29:09,725 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 169 177) no Hoare annotation was computed. [2018-11-23 14:29:09,725 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 169 177) the Hoare annotation is: true [2018-11-23 14:29:09,725 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 169 177) no Hoare annotation was computed. [2018-11-23 14:29:09,725 INFO L448 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-23 14:29:09,725 INFO L448 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-23 14:29:09,725 INFO L444 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:29:09,725 INFO L444 ceAbstractionStarter]: At program point L126(line 126) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:29:09,725 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:29:09,725 INFO L444 ceAbstractionStarter]: At program point L126-1(line 126) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:29:09,725 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-23 14:29:09,725 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-23 14:29:09,725 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:29:09,725 INFO L444 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:29:09,725 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-23 14:29:09,725 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 899 907) no Hoare annotation was computed. [2018-11-23 14:29:09,726 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 899 907) the Hoare annotation is: true [2018-11-23 14:29:09,726 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 899 907) no Hoare annotation was computed. [2018-11-23 14:29:09,726 INFO L448 ceAbstractionStarter]: For program point L972(lines 972 976) no Hoare annotation was computed. [2018-11-23 14:29:09,726 INFO L451 ceAbstractionStarter]: At program point L970(line 970) the Hoare annotation is: true [2018-11-23 14:29:09,726 INFO L448 ceAbstractionStarter]: For program point L972-2(lines 972 976) no Hoare annotation was computed. [2018-11-23 14:29:09,726 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 963 981) the Hoare annotation is: true [2018-11-23 14:29:09,726 INFO L448 ceAbstractionStarter]: For program point L970-1(line 970) no Hoare annotation was computed. [2018-11-23 14:29:09,726 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 963 981) no Hoare annotation was computed. [2018-11-23 14:29:09,726 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 963 981) no Hoare annotation was computed. [2018-11-23 14:29:09,726 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 155 161) no Hoare annotation was computed. [2018-11-23 14:29:09,726 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 155 161) the Hoare annotation is: true [2018-11-23 14:29:09,726 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:29:09,726 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-23 14:29:09,726 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-23 14:29:09,726 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 888 898) the Hoare annotation is: true [2018-11-23 14:29:09,726 INFO L451 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: true [2018-11-23 14:29:09,726 INFO L448 ceAbstractionStarter]: For program point L893-1(line 893) no Hoare annotation was computed. [2018-11-23 14:29:09,726 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 888 898) no Hoare annotation was computed. [2018-11-23 14:29:09,726 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 888 898) no Hoare annotation was computed. [2018-11-23 14:29:09,726 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 880 887) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse3))) [2018-11-23 14:29:09,726 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 880 887) no Hoare annotation was computed. [2018-11-23 14:29:09,726 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 880 887) no Hoare annotation was computed. [2018-11-23 14:29:09,727 INFO L448 ceAbstractionStarter]: For program point L833(lines 833 850) no Hoare annotation was computed. [2018-11-23 14:29:09,727 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 829 853) no Hoare annotation was computed. [2018-11-23 14:29:09,727 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 829 853) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse0 .cse2 .cse3) (or .cse6 .cse1 .cse7 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse1 .cse3))) [2018-11-23 14:29:09,727 INFO L444 ceAbstractionStarter]: At program point L848(line 848) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse2 .cse1 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-23 14:29:09,727 INFO L448 ceAbstractionStarter]: For program point L848-1(lines 829 853) no Hoare annotation was computed. [2018-11-23 14:29:09,727 INFO L444 ceAbstractionStarter]: At program point L843(line 843) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-23 14:29:09,727 INFO L444 ceAbstractionStarter]: At program point L839(line 839) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-23 14:29:09,727 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 845) no Hoare annotation was computed. [2018-11-23 14:29:09,727 INFO L444 ceAbstractionStarter]: At program point L835(line 835) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-23 14:29:09,727 INFO L448 ceAbstractionStarter]: For program point L835-1(line 835) no Hoare annotation was computed. [2018-11-23 14:29:09,727 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 639 652) no Hoare annotation was computed. [2018-11-23 14:29:09,727 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 649) no Hoare annotation was computed. [2018-11-23 14:29:09,727 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 639 652) the Hoare annotation is: true [2018-11-23 14:29:09,727 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 639 652) no Hoare annotation was computed. [2018-11-23 14:29:09,727 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 795 801) no Hoare annotation was computed. [2018-11-23 14:29:09,727 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 795 801) the Hoare annotation is: true [2018-11-23 14:29:09,727 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 699 764) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:29:09,728 INFO L444 ceAbstractionStarter]: At program point L731(line 731) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse2 .cse5 .cse6 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 14:29:09,728 INFO L448 ceAbstractionStarter]: For program point L729(lines 729 735) no Hoare annotation was computed. [2018-11-23 14:29:09,728 INFO L448 ceAbstractionStarter]: For program point L729-1(lines 729 735) no Hoare annotation was computed. [2018-11-23 14:29:09,728 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 699 764) no Hoare annotation was computed. [2018-11-23 14:29:09,728 INFO L444 ceAbstractionStarter]: At program point L754(lines 709 756) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= ~waterLevel~0 2)) (.cse2 (<= ~waterLevel~0 1)) (.cse7 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse6 .cse3 .cse4) (and .cse0 .cse5 .cse7 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse2 .cse7 .cse6 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 14:29:09,728 INFO L444 ceAbstractionStarter]: At program point L721(line 721) the Hoare annotation is: (let ((.cse1 (<= ~waterLevel~0 2)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse6 (= ~pumpRunning~0 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse5 (and (not (= ~waterLevel~0 2)) .cse0 .cse3 .cse4) (<= ~waterLevel~0 (+ |old(~waterLevel~0)| 1))) (and (<= ~waterLevel~0 1) .cse6 .cse2 .cse3 .cse4) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 14:29:09,728 INFO L448 ceAbstractionStarter]: For program point L719(lines 719 725) no Hoare annotation was computed. [2018-11-23 14:29:09,728 INFO L448 ceAbstractionStarter]: For program point L719-1(lines 719 725) no Hoare annotation was computed. [2018-11-23 14:29:09,728 INFO L448 ceAbstractionStarter]: For program point L711(lines 711 715) no Hoare annotation was computed. [2018-11-23 14:29:09,728 INFO L444 ceAbstractionStarter]: At program point L757(lines 708 758) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-23 14:29:09,728 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 751) no Hoare annotation was computed. [2018-11-23 14:29:09,728 INFO L444 ceAbstractionStarter]: At program point L747-2(lines 739 752) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse2 .cse5 .cse6 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 14:29:09,729 INFO L448 ceAbstractionStarter]: For program point L710(lines 709 756) no Hoare annotation was computed. [2018-11-23 14:29:09,729 INFO L444 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse5 (= ~pumpRunning~0 1)) (.cse6 (= ~methaneLevelCritical~0 1)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse2 .cse5 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2 .cse6 .cse3 .cse4) (and .cse2 .cse5 .cse6 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-23 14:29:09,729 INFO L448 ceAbstractionStarter]: For program point L739(lines 739 752) no Hoare annotation was computed. [2018-11-23 14:29:09,729 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 699 764) no Hoare annotation was computed. [2018-11-23 14:29:09,729 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 854 861) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (< 2 ~waterLevel~0) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-11-23 14:29:09,729 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 854 861) no Hoare annotation was computed. [2018-11-23 14:29:09,729 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 854 861) no Hoare annotation was computed. [2018-11-23 14:29:09,729 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 653 661) no Hoare annotation was computed. [2018-11-23 14:29:09,729 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 653 661) the Hoare annotation is: true [2018-11-23 14:29:09,729 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 653 661) no Hoare annotation was computed. [2018-11-23 14:29:09,729 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:29:09,729 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)) [2018-11-23 14:29:09,730 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:29:09,730 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 863 879) no Hoare annotation was computed. [2018-11-23 14:29:09,730 INFO L444 ceAbstractionStarter]: At program point L874(line 874) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< 2 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (and (= ~methaneLevelCritical~0 activatePump_~tmp~8) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-23 14:29:09,730 INFO L448 ceAbstractionStarter]: For program point L874-1(lines 863 879) no Hoare annotation was computed. [2018-11-23 14:29:09,730 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 863 879) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 .cse3))) [2018-11-23 14:29:09,730 INFO L448 ceAbstractionStarter]: For program point L870(lines 870 876) no Hoare annotation was computed. [2018-11-23 14:29:09,730 INFO L444 ceAbstractionStarter]: At program point L868(line 868) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse2 .cse1 .cse3))) [2018-11-23 14:29:09,730 INFO L448 ceAbstractionStarter]: For program point L868-1(line 868) no Hoare annotation was computed. [2018-11-23 14:29:09,730 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 944 962) no Hoare annotation was computed. [2018-11-23 14:29:09,730 INFO L448 ceAbstractionStarter]: For program point L953(lines 953 957) no Hoare annotation was computed. [2018-11-23 14:29:09,730 INFO L451 ceAbstractionStarter]: At program point L951(line 951) the Hoare annotation is: true [2018-11-23 14:29:09,730 INFO L448 ceAbstractionStarter]: For program point L953-2(lines 953 957) no Hoare annotation was computed. [2018-11-23 14:29:09,730 INFO L448 ceAbstractionStarter]: For program point L951-1(line 951) no Hoare annotation was computed. [2018-11-23 14:29:09,730 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 944 962) the Hoare annotation is: true [2018-11-23 14:29:09,730 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 944 962) no Hoare annotation was computed. [2018-11-23 14:29:09,730 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 630 638) the Hoare annotation is: true [2018-11-23 14:29:09,731 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 630 638) no Hoare annotation was computed. [2018-11-23 14:29:09,731 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 630 638) no Hoare annotation was computed. [2018-11-23 14:29:09,731 INFO L448 ceAbstractionStarter]: For program point L590-1(lines 586 597) no Hoare annotation was computed. [2018-11-23 14:29:09,731 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 586 597) the Hoare annotation is: (let ((.cse4 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (= ~methaneLevelCritical~0 1)) (.cse0 (not (= |old(~methaneLevelCritical~0)| 1))) (.cse2 (< 2 ~waterLevel~0)) (.cse7 (or (not (= 1 ~pumpRunning~0)) .cse4)) (.cse6 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse5 (= 0 ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse2 .cse4 .cse6) (or .cse3 .cse0 .cse2 .cse7) (or .cse2 .cse7 .cse6 .cse5)))) [2018-11-23 14:29:09,731 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 586 597) no Hoare annotation was computed. [2018-11-23 14:29:09,731 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 598 606) the Hoare annotation is: true [2018-11-23 14:29:09,731 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 598 606) no Hoare annotation was computed. [2018-11-23 14:29:09,731 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 598 606) no Hoare annotation was computed. [2018-11-23 14:29:09,731 INFO L444 ceAbstractionStarter]: At program point L784(line 784) the Hoare annotation is: (let ((.cse10 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse6 (< 1 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse9 (<= ~waterLevel~0 0)) (.cse7 (or (not (= 1 |old(~pumpRunning~0)|)) .cse3)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse12 (and (<= ~waterLevel~0 2) .cse10)) (.cse11 (< 2 |old(~waterLevel~0)|)) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse5 (and .cse8 .cse9)) (or (and (<= ~waterLevel~0 1) .cse10) .cse11 .cse7 .cse5) (or (or (< 0 |old(~waterLevel~0)|) .cse0 .cse1 .cse3) .cse8) (or (or .cse6 .cse1 .cse3) .cse5 .cse8) (or .cse0 .cse1 .cse11 .cse12 .cse3) (or .cse0 (and .cse8 .cse9 .cse10) (and (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|) .cse10) .cse11 .cse7) (or .cse1 .cse12 .cse11 .cse3 .cse5)))) [2018-11-23 14:29:09,732 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 771 794) the Hoare annotation is: (let ((.cse14 (= ~methaneLevelCritical~0 0)) (.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse6 (or .cse14 .cse11 .cse3)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse2 (= 1 ~waterLevel~0)) (.cse5 (< 1 |old(~waterLevel~0)|)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse12 (< 0 |old(~waterLevel~0)|)) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse13 (or .cse11 .cse3)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse9 (< 2 |old(~waterLevel~0)|)) (.cse10 (not .cse14))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse8 .cse0 .cse9 .cse6) (or .cse2 .cse1 .cse3 .cse4 .cse10) (or .cse11 .cse3 .cse4 .cse10 .cse2) (or (or .cse12 .cse0 .cse1 .cse3) .cse7) (or .cse9 .cse13 .cse10 .cse8) (or .cse0 .cse11 .cse3 .cse4 .cse2) (or (or .cse5 .cse1 .cse3) .cse10 .cse7) (or .cse0 .cse1 .cse9 .cse8 .cse3) (or .cse12 .cse7 .cse13 .cse10) (or .cse1 .cse8 .cse9 .cse3 .cse10)))) [2018-11-23 14:29:09,732 INFO L444 ceAbstractionStarter]: At program point L782(lines 782 788) the Hoare annotation is: (let ((.cse12 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse17 (<= ~waterLevel~0 1)) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse18 (= ~methaneLevelCritical~0 0))) (let ((.cse2 (= 1 ~waterLevel~0)) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse10 (<= ~waterLevel~0 0)) (.cse15 (<= ~waterLevel~0 2)) (.cse13 (< 1 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (not .cse18)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse9 (= 0 ~pumpRunning~0)) (.cse16 (and .cse17 .cse7)) (.cse11 (< 2 |old(~waterLevel~0)|)) (.cse14 (or .cse18 .cse12 .cse3))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse1 .cse3 .cse4 .cse5) (let ((.cse6 (<= (+ ~waterLevel~0 1) |old(~waterLevel~0)|))) (or (and .cse6 .cse7) (and .cse8 .cse9 .cse10) (and .cse6 .cse9) .cse11 (or .cse12 .cse3) .cse5 (and .cse8 .cse10 .cse7))) (or .cse0 .cse13 (and .cse8 .cse10) .cse14) (or .cse1 (and .cse15 (= ~pumpRunning~0 1)) .cse11 .cse3 .cse5 .cse16) (or .cse0 .cse13 .cse1 .cse8 .cse3) (or .cse0 .cse1 .cse11 (and .cse15 .cse7) .cse3) (or .cse13 .cse1 .cse8 .cse3 .cse5) (or .cse0 (and .cse9 .cse17) .cse16 .cse11 .cse14)))) [2018-11-23 14:29:09,732 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 771 794) no Hoare annotation was computed. [2018-11-23 14:29:09,732 INFO L444 ceAbstractionStarter]: At program point L777(line 777) the Hoare annotation is: (let ((.cse13 (= ~methaneLevelCritical~0 0)) (.cse11 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~systemActive~0 1)))) (let ((.cse2 (or .cse13 .cse11 .cse7)) (.cse1 (< 1 |old(~waterLevel~0)|)) (.cse3 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse5 (and (<= ~waterLevel~0 2) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse8 (or .cse11 .cse7)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse10 (= 1 ~waterLevel~0)) (.cse12 (not (= |old(~waterLevel~0)| 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< 2 |old(~waterLevel~0)|)) (.cse9 (not .cse13))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse5) (or .cse0 .cse6 .cse4 .cse7) (or .cse1 .cse3 .cse8 .cse9) (or .cse5 .cse4 .cse8 .cse9) (or .cse10 .cse11 .cse7 .cse12 .cse9) (or .cse0 .cse11 .cse7 .cse10 .cse12) (or .cse6 .cse4 .cse7 .cse9)))) [2018-11-23 14:29:09,732 INFO L448 ceAbstractionStarter]: For program point L775(lines 774 793) no Hoare annotation was computed. [2018-11-23 14:29:09,732 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 771 794) no Hoare annotation was computed. [2018-11-23 14:29:09,732 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-23 14:29:09,733 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-23 14:29:09,733 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-23 14:29:09,733 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-23 14:29:09,733 INFO L451 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-23 14:29:09,733 INFO L448 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-23 14:29:09,733 INFO L451 ceAbstractionStarter]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2018-11-23 14:29:09,733 INFO L451 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-23 14:29:09,733 INFO L448 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-23 14:29:09,733 INFO L451 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-23 14:29:09,733 INFO L448 ceAbstractionStarter]: For program point L673(lines 673 693) no Hoare annotation was computed. [2018-11-23 14:29:09,733 INFO L451 ceAbstractionStarter]: At program point L671(line 671) the Hoare annotation is: true [2018-11-23 14:29:09,733 INFO L448 ceAbstractionStarter]: For program point L671-1(line 671) no Hoare annotation was computed. [2018-11-23 14:29:09,733 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification3_spec__1EXIT(lines 664 696) no Hoare annotation was computed. [2018-11-23 14:29:09,734 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification3_spec__1ENTRY(lines 664 696) the Hoare annotation is: true [2018-11-23 14:29:09,734 INFO L444 ceAbstractionStarter]: At program point L687(line 687) the Hoare annotation is: (let ((.cse2 (< 2 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse6 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse2 .cse4 .cse3 .cse5) (or .cse0 .cse6 .cse4 .cse3) (or .cse6 .cse1 .cse3 .cse5))) [2018-11-23 14:29:09,734 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 689) no Hoare annotation was computed. [2018-11-23 14:29:09,734 INFO L444 ceAbstractionStarter]: At program point L681(line 681) the Hoare annotation is: (let ((.cse2 (< 2 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse6 (< 1 ~waterLevel~0)) (.cse4 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= __utac_acc__Specification3_spec__1_~tmp~4 ~methaneLevelCritical~0) .cse2 .cse4 .cse3 .cse5) (or .cse0 .cse6 .cse4 .cse3) (or .cse6 .cse1 .cse3 .cse5) (or .cse6 .cse4 .cse3 .cse5))) [2018-11-23 14:29:09,734 INFO L448 ceAbstractionStarter]: For program point L681-1(line 681) no Hoare annotation was computed. [2018-11-23 14:29:09,734 INFO L448 ceAbstractionStarter]: For program point L679(lines 679 692) no Hoare annotation was computed. [2018-11-23 14:29:09,734 INFO L448 ceAbstractionStarter]: For program point L679-1(lines 664 696) no Hoare annotation was computed. [2018-11-23 14:29:09,734 INFO L444 ceAbstractionStarter]: At program point L677(line 677) the Hoare annotation is: (let ((.cse2 (< 2 ~waterLevel~0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 1 ~pumpRunning~0))) (.cse7 (< 1 ~waterLevel~0)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (= __utac_acc__Specification3_spec__1_~tmp~4 ~methaneLevelCritical~0)) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse2 .cse5 .cse3 .cse6) (or .cse0 .cse7 .cse5 .cse3) (or .cse7 .cse1 .cse4 .cse3 .cse6))) [2018-11-23 14:29:09,734 INFO L448 ceAbstractionStarter]: For program point L677-1(line 677) no Hoare annotation was computed. [2018-11-23 14:29:09,735 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 562 573) the Hoare annotation is: (let ((.cse5 (not (= ~systemActive~0 1)))) (let ((.cse0 (< 2 |old(~waterLevel~0)|)) (.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (or (= ~pumpRunning~0 0) .cse5)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 1 ~pumpRunning~0))) (.cse4 (= 1 ~waterLevel~0)) (.cse6 (not (= |old(~waterLevel~0)| 1)))) (and (or (<= ~waterLevel~0 2) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse5 .cse6 .cse2) (or .cse7 .cse0 .cse1 .cse3 .cse8) (or (< 1 |old(~waterLevel~0)|) .cse8 .cse1 .cse2 .cse3) (or .cse7 .cse1 .cse4 .cse5 .cse6)))) [2018-11-23 14:29:09,735 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 562 573) no Hoare annotation was computed. [2018-11-23 14:29:09,735 INFO L448 ceAbstractionStarter]: For program point L566-1(lines 562 573) no Hoare annotation was computed. [2018-11-23 14:29:09,735 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-23 14:29:09,735 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-23 14:29:09,735 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 14:29:09,735 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)) [2018-11-23 14:29:09,735 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 14:29:09,735 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 14:29:09,735 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 803 827) the Hoare annotation is: (let ((.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse5 .cse0 .cse2 .cse3) (or .cse6 .cse1 .cse7 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse1 .cse3))) [2018-11-23 14:29:09,735 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 803 827) no Hoare annotation was computed. [2018-11-23 14:29:09,736 INFO L444 ceAbstractionStarter]: At program point L822(line 822) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< 1 ~waterLevel~0)) (.cse2 (not (= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< 2 ~waterLevel~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse1 .cse7 .cse0 .cse2 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-23 14:29:09,736 INFO L448 ceAbstractionStarter]: For program point L822-1(lines 803 827) no Hoare annotation was computed. [2018-11-23 14:29:09,736 INFO L444 ceAbstractionStarter]: At program point L817(line 817) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 1)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (< 2 ~waterLevel~0)) (.cse6 (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~6)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse8 (< 1 ~waterLevel~0)) (.cse9 (not (= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= ~systemActive~0 1)))) (and (or (and .cse0 .cse1) .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse4 .cse6 (not (= ~waterLevel~0 1)) .cse5) (or .cse7 .cse2 (and .cse6 .cse0 .cse1) .cse3 .cse4) (or .cse8 .cse9 .cse4 .cse5) (or .cse6 (or (< 0 ~waterLevel~0) .cse2 .cse4 .cse5)) (or .cse7 .cse8 .cse9 .cse4))) [2018-11-23 14:29:09,736 INFO L444 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: (let ((.cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (< 1 ~waterLevel~0)) (.cse7 (not (= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= processEnvironment__wrappee__highWaterSensor_~tmp~6 1) .cse9)) (.cse2 (< 2 ~waterLevel~0)) (.cse4 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and (<= ~waterLevel~0 1) .cse9))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse4 .cse8) (or .cse0 .cse6 .cse7 .cse4) (or .cse1 .cse3 .cse2 .cse4 .cse8 .cse5)))) [2018-11-23 14:29:09,736 INFO L448 ceAbstractionStarter]: For program point L811(lines 811 819) no Hoare annotation was computed. [2018-11-23 14:29:09,736 INFO L444 ceAbstractionStarter]: At program point L809(line 809) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (< 2 ~waterLevel~0)) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< 1 ~waterLevel~0)) (.cse6 (not (= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse3 .cse4) (or .cse7 .cse0 .cse2 .cse1 .cse3) (or .cse7 .cse5 .cse6 .cse3))) [2018-11-23 14:29:09,736 INFO L448 ceAbstractionStarter]: For program point L809-1(line 809) no Hoare annotation was computed. [2018-11-23 14:29:09,736 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 824) no Hoare annotation was computed. [2018-11-23 14:29:09,736 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 982 989) no Hoare annotation was computed. [2018-11-23 14:29:09,736 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 982 989) the Hoare annotation is: (let ((.cse5 (not (= |old(~systemActive~0)| 1)))) (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse3 (or (not (= 1 ~pumpRunning~0)) .cse5)) (.cse4 (not (= 0 ~pumpRunning~0))) (.cse0 (= ~systemActive~0 1)) (.cse2 (< 2 ~waterLevel~0)) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse0 .cse5) (or .cse2 .cse3 .cse6 .cse0) (or .cse4 .cse0 .cse2 .cse5 .cse6)))) [2018-11-23 14:29:09,736 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 982 989) no Hoare annotation was computed. [2018-11-23 14:29:09,736 INFO L448 ceAbstractionStarter]: For program point L578-1(lines 574 585) no Hoare annotation was computed. [2018-11-23 14:29:09,736 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 574 585) no Hoare annotation was computed. [2018-11-23 14:29:09,737 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 574 585) the Hoare annotation is: (let ((.cse1 (< 2 |old(~waterLevel~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse7 (< 1 |old(~waterLevel~0)|)) (.cse2 (not (= 1 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse0 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse1 (<= ~waterLevel~0 2) .cse3) (or (or .cse7 .cse6 .cse3) .cse4 (<= ~waterLevel~0 1)) (or .cse0 (or (< 0 |old(~waterLevel~0)|) .cse6 .cse3 .cse4)) (or .cse0 (or .cse5 .cse7 .cse6 .cse3)) (or .cse5 .cse7 (or .cse2 .cse3) .cse0))) [2018-11-23 14:29:09,737 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 545 552) no Hoare annotation was computed. [2018-11-23 14:29:09,737 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 545 552) the Hoare annotation is: true [2018-11-23 14:29:09,737 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 545 552) no Hoare annotation was computed. [2018-11-23 14:29:09,737 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 549) no Hoare annotation was computed. [2018-11-23 14:29:09,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:29:09 BoogieIcfgContainer [2018-11-23 14:29:09,746 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 14:29:09,746 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 14:29:09,746 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 14:29:09,746 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 14:29:09,747 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:28:57" (3/4) ... [2018-11-23 14:29:09,750 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 14:29:09,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 14:29:09,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 14:29:09,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 14:29:09,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 14:29:09,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 14:29:09,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 14:29:09,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 14:29:09,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-23 14:29:09,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 14:29:09,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 14:29:09,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-23 14:29:09,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 14:29:09,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 14:29:09,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-23 14:29:09,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 14:29:09,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 14:29:09,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-23 14:29:09,755 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-23 14:29:09,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 14:29:09,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 14:29:09,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-23 14:29:09,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 14:29:09,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 14:29:09,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification3_spec__1 [2018-11-23 14:29:09,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 14:29:09,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 14:29:09,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-23 14:29:09,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 14:29:09,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 14:29:09,756 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 14:29:09,761 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 48 nodes and edges [2018-11-23 14:29:09,761 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 14:29:09,761 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 14:29:09,762 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 14:29:09,762 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 14:29:09,762 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 14:29:09,763 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 14:29:09,784 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) || ((((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((waterLevel <= 1 && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 14:29:09,784 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-23 14:29:09,817 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_165660be-49cd-4259-a369-084684132b50/bin-2019/uautomizer/witness.graphml [2018-11-23 14:29:09,817 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 14:29:09,818 INFO L168 Benchmark]: Toolchain (without parser) took 13323.91 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 411.6 MB). Free memory was 956.6 MB in the beginning and 1.0 GB in the end (delta: -50.7 MB). Peak memory consumption was 360.9 MB. Max. memory is 11.5 GB. [2018-11-23 14:29:09,818 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:29:09,818 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -162.1 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-11-23 14:29:09,819 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 14:29:09,819 INFO L168 Benchmark]: Boogie Preprocessor took 26.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 14:29:09,819 INFO L168 Benchmark]: RCFGBuilder took 464.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. [2018-11-23 14:29:09,819 INFO L168 Benchmark]: TraceAbstraction took 12360.93 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 281.5 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.9 MB). Peak memory consumption was 513.3 MB. Max. memory is 11.5 GB. [2018-11-23 14:29:09,819 INFO L168 Benchmark]: Witness Printer took 70.80 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. [2018-11-23 14:29:09,821 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 375.31 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -162.1 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.16 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 26.42 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 464.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 54.6 MB). Peak memory consumption was 54.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 12360.93 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 281.5 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 42.9 MB). Peak memory consumption was 513.3 MB. Max. memory is 11.5 GB. * Witness Printer took 70.80 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 549]: 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: 709]: Loop Invariant Derived loop invariant: ((((((((((0 == methaneLevelCritical && 0 == pumpRunning) && waterLevel <= 1) && systemActive == 1) && splverifierCounter == 0) || ((((0 == pumpRunning && waterLevel <= 2) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || ((((0 == methaneLevelCritical && waterLevel <= 2) && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((waterLevel <= 1 && pumpRunning == 1) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 708]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 31 procedures, 163 locations, 1 error locations. SAFE Result, 12.3s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 5.0s AutomataDifference, 0.0s DeadEndRemovalTime, 4.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 2600 SDtfs, 2369 SDslu, 9691 SDs, 0 SdLazy, 6520 SolverSat, 1174 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 599 GetRequests, 451 SyntacticMatches, 2 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 585 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1298occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 13 MinimizatonAttempts, 357 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 67 LocationsWithAnnotation, 3523 PreInvPairs, 4123 NumberOfFragments, 3293 HoareAnnotationTreeSize, 3523 FomulaSimplifications, 24572 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 67 FomulaSimplificationsInter, 32648 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1610 NumberOfCodeBlocks, 1610 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1594 ConstructedInterpolants, 0 QuantifiedInterpolants, 312134 SizeOfPredicates, 20 NumberOfNonLiveVariables, 2512 ConjunctsInSsa, 70 ConjunctsInUnsatCore, 16 InterpolantComputations, 11 PerfectInterpolantSequences, 118/136 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...