./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cd42890f-50fa-425d-ae23-01e9676988e1/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cd42890f-50fa-425d-ae23-01e9676988e1/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cd42890f-50fa-425d-ae23-01e9676988e1/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cd42890f-50fa-425d-ae23-01e9676988e1/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cd42890f-50fa-425d-ae23-01e9676988e1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cd42890f-50fa-425d-ae23-01e9676988e1/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 454aaa6b423a8831b8582dfeb545ec6b3447f968 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:43:56,918 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:43:56,919 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:43:56,926 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:43:56,926 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:43:56,927 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:43:56,928 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:43:56,929 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:43:56,930 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:43:56,931 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:43:56,931 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:43:56,932 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:43:56,932 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:43:56,933 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:43:56,934 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:43:56,934 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:43:56,935 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:43:56,936 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:43:56,937 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:43:56,938 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:43:56,939 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:43:56,940 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:43:56,942 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:43:56,942 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:43:56,942 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:43:56,943 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:43:56,943 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:43:56,944 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:43:56,944 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:43:56,945 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:43:56,945 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:43:56,946 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:43:56,946 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:43:56,946 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:43:56,947 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:43:56,947 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:43:56,947 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cd42890f-50fa-425d-ae23-01e9676988e1/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 11:43:56,955 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:43:56,955 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:43:56,956 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:43:56,956 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:43:56,957 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:43:56,957 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:43:56,957 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:43:56,957 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:43:56,957 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:43:56,957 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:43:56,957 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:43:56,958 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:43:56,958 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:43:56,958 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:43:56,958 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:43:56,958 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:43:56,958 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:43:56,958 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:43:56,959 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:43:56,959 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:43:56,959 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:43:56,959 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:43:56,959 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:43:56,959 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:43:56,960 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:43:56,960 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:43:56,960 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:43:56,960 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:43:56,960 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:43:56,960 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:43:56,960 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_cd42890f-50fa-425d-ae23-01e9676988e1/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 -> 454aaa6b423a8831b8582dfeb545ec6b3447f968 [2018-11-28 11:43:56,984 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:43:56,991 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:43:56,993 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:43:56,994 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:43:56,994 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:43:56,995 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cd42890f-50fa-425d-ae23-01e9676988e1/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-11-28 11:43:57,036 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd42890f-50fa-425d-ae23-01e9676988e1/bin-2019/uautomizer/data/23bcea843/10f2e64d507e4ca5b2c907ff011a5233/FLAG2808e499d [2018-11-28 11:43:57,482 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:43:57,483 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cd42890f-50fa-425d-ae23-01e9676988e1/sv-benchmarks/c/product-lines/minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-11-28 11:43:57,490 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cd42890f-50fa-425d-ae23-01e9676988e1/bin-2019/uautomizer/data/23bcea843/10f2e64d507e4ca5b2c907ff011a5233/FLAG2808e499d [2018-11-28 11:43:57,502 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cd42890f-50fa-425d-ae23-01e9676988e1/bin-2019/uautomizer/data/23bcea843/10f2e64d507e4ca5b2c907ff011a5233 [2018-11-28 11:43:57,504 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:43:57,505 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:43:57,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:43:57,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:43:57,509 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:43:57,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:43:57" (1/1) ... [2018-11-28 11:43:57,513 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9d208f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:57, skipping insertion in model container [2018-11-28 11:43:57,513 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:43:57" (1/1) ... [2018-11-28 11:43:57,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:43:57,546 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:43:57,737 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:43:57,788 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:43:57,844 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:43:57,864 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:43:57,865 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:57 WrapperNode [2018-11-28 11:43:57,865 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:43:57,865 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:43:57,865 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:43:57,865 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:43:57,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:57" (1/1) ... [2018-11-28 11:43:57,880 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:57" (1/1) ... [2018-11-28 11:43:57,885 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:43:57,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:43:57,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:43:57,886 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:43:57,892 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:57" (1/1) ... [2018-11-28 11:43:57,892 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:57" (1/1) ... [2018-11-28 11:43:57,895 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:57" (1/1) ... [2018-11-28 11:43:57,895 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:57" (1/1) ... [2018-11-28 11:43:57,904 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:57" (1/1) ... [2018-11-28 11:43:57,909 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:57" (1/1) ... [2018-11-28 11:43:57,912 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:57" (1/1) ... [2018-11-28 11:43:57,914 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:43:57,915 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:43:57,915 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:43:57,915 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:43:57,915 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd42890f-50fa-425d-ae23-01e9676988e1/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 [2018-11-28 11:43:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 11:43:57,949 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 11:43:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:43:57,949 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:43:57,949 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 11:43:57,949 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 11:43:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:43:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 11:43:57,950 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 11:43:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 11:43:57,950 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 11:43:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 11:43:57,950 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 11:43:57,950 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 11:43:57,950 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 11:43:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 11:43:57,951 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 11:43:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 11:43:57,951 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 11:43:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 11:43:57,951 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 11:43:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 11:43:57,951 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 11:43:57,951 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 11:43:57,951 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 11:43:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 11:43:57,952 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 11:43:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 11:43:57,952 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 11:43:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 11:43:57,952 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 11:43:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 11:43:57,952 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 11:43:57,952 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 11:43:57,953 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 11:43:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:43:57,953 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:43:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 11:43:57,953 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 11:43:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 11:43:57,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 11:43:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 11:43:57,953 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 11:43:57,953 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 11:43:57,953 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 11:43:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 11:43:57,954 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 11:43:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 11:43:57,954 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 11:43:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 11:43:57,954 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 11:43:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:43:57,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:43:57,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:43:57,955 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 11:43:57,955 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 11:43:57,955 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 11:43:57,955 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 11:43:57,955 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:43:57,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:43:57,955 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-11-28 11:43:57,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-11-28 11:43:58,399 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:43:58,399 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 11:43:58,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:43:58 BoogieIcfgContainer [2018-11-28 11:43:58,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:43:58,400 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:43:58,400 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:43:58,403 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:43:58,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:43:57" (1/3) ... [2018-11-28 11:43:58,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@593f7daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:43:58, skipping insertion in model container [2018-11-28 11:43:58,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:43:57" (2/3) ... [2018-11-28 11:43:58,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@593f7daf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:43:58, skipping insertion in model container [2018-11-28 11:43:58,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:43:58" (3/3) ... [2018-11-28 11:43:58,406 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product58_true-unreach-call_false-termination.cil.c [2018-11-28 11:43:58,413 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:43:58,420 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 11:43:58,431 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 11:43:58,454 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:43:58,455 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:43:58,455 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:43:58,455 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:43:58,455 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:43:58,455 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:43:58,455 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:43:58,455 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:43:58,456 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:43:58,471 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2018-11-28 11:43:58,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-28 11:43:58,478 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:43:58,479 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:43:58,481 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:43:58,486 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:43:58,486 INFO L82 PathProgramCache]: Analyzing trace with hash -286614116, now seen corresponding path program 1 times [2018-11-28 11:43:58,488 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:43:58,489 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:43:58,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:58,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:58,521 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:58,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:58,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:43:58,670 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:43:58,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:43:58,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 11:43:58,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 11:43:58,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:43:58,684 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 2 states. [2018-11-28 11:43:58,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:43:58,711 INFO L93 Difference]: Finished difference Result 288 states and 353 transitions. [2018-11-28 11:43:58,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 11:43:58,713 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-28 11:43:58,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:43:58,721 INFO L225 Difference]: With dead ends: 288 [2018-11-28 11:43:58,721 INFO L226 Difference]: Without dead ends: 144 [2018-11-28 11:43:58,724 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 [2018-11-28 11:43:58,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-11-28 11:43:58,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-11-28 11:43:58,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-11-28 11:43:58,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2018-11-28 11:43:58,758 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 46 [2018-11-28 11:43:58,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:43:58,758 INFO L480 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2018-11-28 11:43:58,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 11:43:58,758 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2018-11-28 11:43:58,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-28 11:43:58,760 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:43:58,760 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] [2018-11-28 11:43:58,760 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:43:58,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:43:58,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1423575062, now seen corresponding path program 1 times [2018-11-28 11:43:58,761 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:43:58,761 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:43:58,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:58,762 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:58,762 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:58,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:58,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:43:58,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:43:58,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:43:58,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:43:58,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:43:58,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:43:58,855 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 3 states. [2018-11-28 11:43:58,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:43:58,874 INFO L93 Difference]: Finished difference Result 233 states and 271 transitions. [2018-11-28 11:43:58,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:43:58,874 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-28 11:43:58,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:43:58,876 INFO L225 Difference]: With dead ends: 233 [2018-11-28 11:43:58,876 INFO L226 Difference]: Without dead ends: 135 [2018-11-28 11:43:58,877 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 [2018-11-28 11:43:58,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-11-28 11:43:58,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-11-28 11:43:58,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-11-28 11:43:58,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 156 transitions. [2018-11-28 11:43:58,888 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 156 transitions. Word has length 47 [2018-11-28 11:43:58,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:43:58,889 INFO L480 AbstractCegarLoop]: Abstraction has 135 states and 156 transitions. [2018-11-28 11:43:58,889 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:43:58,889 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 156 transitions. [2018-11-28 11:43:58,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 11:43:58,890 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:43:58,890 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] [2018-11-28 11:43:58,890 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:43:58,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:43:58,891 INFO L82 PathProgramCache]: Analyzing trace with hash 239457231, now seen corresponding path program 1 times [2018-11-28 11:43:58,891 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:43:58,891 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:43:58,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:58,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:58,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:58,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:59,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:43:59,006 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:43:59,006 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:43:59,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:43:59,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:43:59,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:43:59,007 INFO L87 Difference]: Start difference. First operand 135 states and 156 transitions. Second operand 7 states. [2018-11-28 11:43:59,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:43:59,286 INFO L93 Difference]: Finished difference Result 246 states and 289 transitions. [2018-11-28 11:43:59,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:43:59,286 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-28 11:43:59,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:43:59,288 INFO L225 Difference]: With dead ends: 246 [2018-11-28 11:43:59,288 INFO L226 Difference]: Without dead ends: 135 [2018-11-28 11:43:59,289 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 [2018-11-28 11:43:59,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-11-28 11:43:59,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-11-28 11:43:59,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-11-28 11:43:59,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 155 transitions. [2018-11-28 11:43:59,299 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 155 transitions. Word has length 52 [2018-11-28 11:43:59,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:43:59,299 INFO L480 AbstractCegarLoop]: Abstraction has 135 states and 155 transitions. [2018-11-28 11:43:59,300 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:43:59,300 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 155 transitions. [2018-11-28 11:43:59,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-28 11:43:59,301 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:43:59,301 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] [2018-11-28 11:43:59,302 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:43:59,302 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:43:59,302 INFO L82 PathProgramCache]: Analyzing trace with hash -2048361750, now seen corresponding path program 1 times [2018-11-28 11:43:59,302 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:43:59,302 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:43:59,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:59,303 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:59,303 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:59,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:59,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:43:59,388 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:43:59,388 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 11:43:59,388 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 11:43:59,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 11:43:59,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 11:43:59,389 INFO L87 Difference]: Start difference. First operand 135 states and 155 transitions. Second operand 5 states. [2018-11-28 11:43:59,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:43:59,687 INFO L93 Difference]: Finished difference Result 347 states and 415 transitions. [2018-11-28 11:43:59,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:43:59,688 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2018-11-28 11:43:59,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:43:59,690 INFO L225 Difference]: With dead ends: 347 [2018-11-28 11:43:59,690 INFO L226 Difference]: Without dead ends: 236 [2018-11-28 11:43:59,691 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 [2018-11-28 11:43:59,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-11-28 11:43:59,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 217. [2018-11-28 11:43:59,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-11-28 11:43:59,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 246 transitions. [2018-11-28 11:43:59,713 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 246 transitions. Word has length 65 [2018-11-28 11:43:59,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:43:59,714 INFO L480 AbstractCegarLoop]: Abstraction has 217 states and 246 transitions. [2018-11-28 11:43:59,714 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 11:43:59,714 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 246 transitions. [2018-11-28 11:43:59,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-11-28 11:43:59,715 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:43:59,716 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] [2018-11-28 11:43:59,716 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:43:59,716 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:43:59,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1991990108, now seen corresponding path program 1 times [2018-11-28 11:43:59,716 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:43:59,716 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:43:59,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:59,717 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:43:59,717 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:43:59,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:43:59,794 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:43:59,794 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:43:59,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:43:59,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:43:59,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:43:59,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:43:59,795 INFO L87 Difference]: Start difference. First operand 217 states and 246 transitions. Second operand 6 states. [2018-11-28 11:43:59,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:43:59,966 INFO L93 Difference]: Finished difference Result 588 states and 688 transitions. [2018-11-28 11:43:59,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:43:59,967 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2018-11-28 11:43:59,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:43:59,971 INFO L225 Difference]: With dead ends: 588 [2018-11-28 11:43:59,971 INFO L226 Difference]: Without dead ends: 395 [2018-11-28 11:43:59,972 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:43:59,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2018-11-28 11:44:00,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 389. [2018-11-28 11:44:00,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2018-11-28 11:44:00,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 442 transitions. [2018-11-28 11:44:00,005 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 442 transitions. Word has length 79 [2018-11-28 11:44:00,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:44:00,005 INFO L480 AbstractCegarLoop]: Abstraction has 389 states and 442 transitions. [2018-11-28 11:44:00,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:44:00,006 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 442 transitions. [2018-11-28 11:44:00,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-28 11:44:00,007 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:44:00,007 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] [2018-11-28 11:44:00,007 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:44:00,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:44:00,008 INFO L82 PathProgramCache]: Analyzing trace with hash -70999840, now seen corresponding path program 1 times [2018-11-28 11:44:00,008 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:44:00,008 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:44:00,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:00,009 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:44:00,009 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:00,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:44:00,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:44:00,119 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:44:00,119 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:44:00,119 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:44:00,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:44:00,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:44:00,120 INFO L87 Difference]: Start difference. First operand 389 states and 442 transitions. Second operand 7 states. [2018-11-28 11:44:00,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:44:00,548 INFO L93 Difference]: Finished difference Result 424 states and 496 transitions. [2018-11-28 11:44:00,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 11:44:00,549 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 83 [2018-11-28 11:44:00,549 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:44:00,551 INFO L225 Difference]: With dead ends: 424 [2018-11-28 11:44:00,551 INFO L226 Difference]: Without dead ends: 421 [2018-11-28 11:44:00,552 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 11:44:00,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2018-11-28 11:44:00,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 389. [2018-11-28 11:44:00,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2018-11-28 11:44:00,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 441 transitions. [2018-11-28 11:44:00,577 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 441 transitions. Word has length 83 [2018-11-28 11:44:00,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:44:00,577 INFO L480 AbstractCegarLoop]: Abstraction has 389 states and 441 transitions. [2018-11-28 11:44:00,578 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:44:00,578 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 441 transitions. [2018-11-28 11:44:00,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-28 11:44:00,580 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:44:00,580 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:44:00,580 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:44:00,581 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:44:00,581 INFO L82 PathProgramCache]: Analyzing trace with hash -1722369911, now seen corresponding path program 1 times [2018-11-28 11:44:00,581 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:44:00,581 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:44:00,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:00,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:44:00,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:44:00,656 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 11:44:00,656 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:44:00,656 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:44:00,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:44:00,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:44:00,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:44:00,657 INFO L87 Difference]: Start difference. First operand 389 states and 441 transitions. Second operand 6 states. [2018-11-28 11:44:00,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:44:00,712 INFO L93 Difference]: Finished difference Result 768 states and 890 transitions. [2018-11-28 11:44:00,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:44:00,713 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2018-11-28 11:44:00,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:44:00,715 INFO L225 Difference]: With dead ends: 768 [2018-11-28 11:44:00,715 INFO L226 Difference]: Without dead ends: 403 [2018-11-28 11:44:00,716 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:44:00,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2018-11-28 11:44:00,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 399. [2018-11-28 11:44:00,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2018-11-28 11:44:00,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 451 transitions. [2018-11-28 11:44:00,737 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 451 transitions. Word has length 99 [2018-11-28 11:44:00,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:44:00,737 INFO L480 AbstractCegarLoop]: Abstraction has 399 states and 451 transitions. [2018-11-28 11:44:00,737 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:44:00,737 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 451 transitions. [2018-11-28 11:44:00,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-28 11:44:00,739 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:44:00,739 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:44:00,739 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:44:00,739 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:44:00,739 INFO L82 PathProgramCache]: Analyzing trace with hash -828883573, now seen corresponding path program 1 times [2018-11-28 11:44:00,739 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:44:00,740 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:44:00,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:00,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:44:00,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:44:00,823 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 11:44:00,824 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:44:00,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 11:44:00,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:44:00,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:44:00,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:44:00,825 INFO L87 Difference]: Start difference. First operand 399 states and 451 transitions. Second operand 8 states. [2018-11-28 11:44:00,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:44:00,872 INFO L93 Difference]: Finished difference Result 788 states and 912 transitions. [2018-11-28 11:44:00,872 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:44:00,872 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2018-11-28 11:44:00,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:44:00,874 INFO L225 Difference]: With dead ends: 788 [2018-11-28 11:44:00,874 INFO L226 Difference]: Without dead ends: 413 [2018-11-28 11:44:00,875 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:44:00,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2018-11-28 11:44:00,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 407. [2018-11-28 11:44:00,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2018-11-28 11:44:00,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 459 transitions. [2018-11-28 11:44:00,895 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 459 transitions. Word has length 99 [2018-11-28 11:44:00,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:44:00,895 INFO L480 AbstractCegarLoop]: Abstraction has 407 states and 459 transitions. [2018-11-28 11:44:00,895 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:44:00,895 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 459 transitions. [2018-11-28 11:44:00,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-28 11:44:00,897 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:44:00,897 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:44:00,897 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:44:00,897 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:44:00,897 INFO L82 PathProgramCache]: Analyzing trace with hash -836642932, now seen corresponding path program 1 times [2018-11-28 11:44:00,897 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:44:00,897 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:44:00,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:00,898 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:44:00,898 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:00,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:44:00,971 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 11:44:00,971 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:44:00,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 11:44:00,972 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:44:00,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:44:00,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:44:00,972 INFO L87 Difference]: Start difference. First operand 407 states and 459 transitions. Second operand 4 states. [2018-11-28 11:44:01,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:44:01,146 INFO L93 Difference]: Finished difference Result 1209 states and 1432 transitions. [2018-11-28 11:44:01,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 11:44:01,149 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2018-11-28 11:44:01,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:44:01,152 INFO L225 Difference]: With dead ends: 1209 [2018-11-28 11:44:01,152 INFO L226 Difference]: Without dead ends: 826 [2018-11-28 11:44:01,153 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:44:01,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2018-11-28 11:44:01,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 811. [2018-11-28 11:44:01,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2018-11-28 11:44:01,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 941 transitions. [2018-11-28 11:44:01,200 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 941 transitions. Word has length 99 [2018-11-28 11:44:01,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:44:01,200 INFO L480 AbstractCegarLoop]: Abstraction has 811 states and 941 transitions. [2018-11-28 11:44:01,201 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:44:01,201 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 941 transitions. [2018-11-28 11:44:01,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-28 11:44:01,202 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:44:01,202 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:44:01,203 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:44:01,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:44:01,203 INFO L82 PathProgramCache]: Analyzing trace with hash -835782670, now seen corresponding path program 1 times [2018-11-28 11:44:01,203 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:44:01,203 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:44:01,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:01,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:44:01,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:44:01,343 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 11:44:01,343 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:44:01,343 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd42890f-50fa-425d-ae23-01e9676988e1/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 [2018-11-28 11:44:01,350 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:44:01,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:44:01,458 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:44:01,677 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:44:01,704 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:44:01,704 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 11:44:01,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 11:44:01,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 11:44:01,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 11:44:01,705 INFO L87 Difference]: Start difference. First operand 811 states and 941 transitions. Second operand 19 states. [2018-11-28 11:44:02,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:44:02,673 INFO L93 Difference]: Finished difference Result 1568 states and 1839 transitions. [2018-11-28 11:44:02,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 11:44:02,674 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 103 [2018-11-28 11:44:02,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:44:02,678 INFO L225 Difference]: With dead ends: 1568 [2018-11-28 11:44:02,679 INFO L226 Difference]: Without dead ends: 781 [2018-11-28 11:44:02,681 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 98 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 11:44:02,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2018-11-28 11:44:02,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 781. [2018-11-28 11:44:02,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 781 states. [2018-11-28 11:44:02,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 892 transitions. [2018-11-28 11:44:02,725 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 892 transitions. Word has length 103 [2018-11-28 11:44:02,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:44:02,725 INFO L480 AbstractCegarLoop]: Abstraction has 781 states and 892 transitions. [2018-11-28 11:44:02,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 11:44:02,725 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 892 transitions. [2018-11-28 11:44:02,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-28 11:44:02,728 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:44:02,729 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:44:02,729 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:44:02,729 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:44:02,729 INFO L82 PathProgramCache]: Analyzing trace with hash -880220171, now seen corresponding path program 1 times [2018-11-28 11:44:02,729 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:44:02,729 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:44:02,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:02,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:44:02,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:44:02,854 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-28 11:44:02,854 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:44:02,854 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cd42890f-50fa-425d-ae23-01e9676988e1/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 [2018-11-28 11:44:02,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:44:02,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:44:02,968 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:44:03,075 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 11:44:03,101 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:44:03,101 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 14 [2018-11-28 11:44:03,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-28 11:44:03,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-28 11:44:03,102 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-28 11:44:03,102 INFO L87 Difference]: Start difference. First operand 781 states and 892 transitions. Second operand 14 states. [2018-11-28 11:44:04,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:44:04,470 INFO L93 Difference]: Finished difference Result 2379 states and 3067 transitions. [2018-11-28 11:44:04,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-28 11:44:04,470 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 157 [2018-11-28 11:44:04,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:44:04,475 INFO L225 Difference]: With dead ends: 2379 [2018-11-28 11:44:04,475 INFO L226 Difference]: Without dead ends: 1750 [2018-11-28 11:44:04,477 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=557, Unknown=0, NotChecked=0, Total=702 [2018-11-28 11:44:04,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1750 states. [2018-11-28 11:44:04,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1750 to 1485. [2018-11-28 11:44:04,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1485 states. [2018-11-28 11:44:04,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1485 states and 1713 transitions. [2018-11-28 11:44:04,532 INFO L78 Accepts]: Start accepts. Automaton has 1485 states and 1713 transitions. Word has length 157 [2018-11-28 11:44:04,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:44:04,532 INFO L480 AbstractCegarLoop]: Abstraction has 1485 states and 1713 transitions. [2018-11-28 11:44:04,532 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-28 11:44:04,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1713 transitions. [2018-11-28 11:44:04,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-28 11:44:04,534 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:44:04,534 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:44:04,534 INFO L423 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:44:04,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:44:04,534 INFO L82 PathProgramCache]: Analyzing trace with hash -605460557, now seen corresponding path program 1 times [2018-11-28 11:44:04,535 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:44:04,535 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:44:04,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:04,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:44:04,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:44:04,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:44:04,618 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-28 11:44:04,618 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:44:04,618 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-11-28 11:44:04,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-28 11:44:04,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-28 11:44:04,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:44:04,619 INFO L87 Difference]: Start difference. First operand 1485 states and 1713 transitions. Second operand 9 states. [2018-11-28 11:44:04,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:44:04,659 INFO L93 Difference]: Finished difference Result 1895 states and 2187 transitions. [2018-11-28 11:44:04,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-28 11:44:04,660 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2018-11-28 11:44:04,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:44:04,661 INFO L225 Difference]: With dead ends: 1895 [2018-11-28 11:44:04,661 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 11:44:04,663 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 [2018-11-28 11:44:04,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 11:44:04,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 11:44:04,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 11:44:04,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 11:44:04,664 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2018-11-28 11:44:04,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:44:04,664 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:44:04,665 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-28 11:44:04,665 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 11:44:04,665 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 11:44:04,668 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 11:44:04,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,772 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,774 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,775 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,778 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,801 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,828 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,832 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,835 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,836 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,899 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,900 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:04,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:44:05,688 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 39 [2018-11-28 11:44:06,725 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 44 [2018-11-28 11:44:06,912 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 601 607) the Hoare annotation is: true [2018-11-28 11:44:06,912 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 601 607) no Hoare annotation was computed. [2018-11-28 11:44:06,912 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 608 616) no Hoare annotation was computed. [2018-11-28 11:44:06,912 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 608 616) the Hoare annotation is: true [2018-11-28 11:44:06,912 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 608 616) no Hoare annotation was computed. [2018-11-28 11:44:06,912 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 238 260) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:44:06,913 INFO L444 ceAbstractionStarter]: At program point L250(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:44:06,913 INFO L444 ceAbstractionStarter]: At program point L250-1(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:44:06,913 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 238 260) no Hoare annotation was computed. [2018-11-28 11:44:06,913 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 255) no Hoare annotation was computed. [2018-11-28 11:44:06,913 INFO L448 ceAbstractionStarter]: For program point L248-1(lines 248 255) no Hoare annotation was computed. [2018-11-28 11:44:06,913 INFO L448 ceAbstractionStarter]: For program point L246(line 246) no Hoare annotation was computed. [2018-11-28 11:44:06,913 INFO L444 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:44:06,913 INFO L444 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:44:06,913 INFO L444 ceAbstractionStarter]: At program point L244-1(line 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:44:06,913 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 238 260) no Hoare annotation was computed. [2018-11-28 11:44:06,914 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 398 406) no Hoare annotation was computed. [2018-11-28 11:44:06,914 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 398 406) the Hoare annotation is: true [2018-11-28 11:44:06,914 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 398 406) no Hoare annotation was computed. [2018-11-28 11:44:06,914 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 462 480) the Hoare annotation is: true [2018-11-28 11:44:06,914 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 475) no Hoare annotation was computed. [2018-11-28 11:44:06,914 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 462 480) no Hoare annotation was computed. [2018-11-28 11:44:06,914 INFO L451 ceAbstractionStarter]: At program point L469(line 469) the Hoare annotation is: true [2018-11-28 11:44:06,914 INFO L448 ceAbstractionStarter]: For program point L471-2(lines 471 475) no Hoare annotation was computed. [2018-11-28 11:44:06,914 INFO L448 ceAbstractionStarter]: For program point L469-1(line 469) no Hoare annotation was computed. [2018-11-28 11:44:06,914 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 462 480) no Hoare annotation was computed. [2018-11-28 11:44:06,914 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 594 600) no Hoare annotation was computed. [2018-11-28 11:44:06,914 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 594 600) the Hoare annotation is: true [2018-11-28 11:44:06,914 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 225 234) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:44:06,915 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 225 234) no Hoare annotation was computed. [2018-11-28 11:44:06,915 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 225 234) no Hoare annotation was computed. [2018-11-28 11:44:06,915 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 387 397) the Hoare annotation is: true [2018-11-28 11:44:06,915 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 387 397) no Hoare annotation was computed. [2018-11-28 11:44:06,915 INFO L451 ceAbstractionStarter]: At program point L392(line 392) the Hoare annotation is: true [2018-11-28 11:44:06,915 INFO L448 ceAbstractionStarter]: For program point L392-1(line 392) no Hoare annotation was computed. [2018-11-28 11:44:06,915 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 387 397) no Hoare annotation was computed. [2018-11-28 11:44:06,915 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 379 386) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (< ~waterLevel~0 1)) (.cse1 (= |old(~pumpRunning~0)| 0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse3 .cse0 .cse1 .cse2))) [2018-11-28 11:44:06,915 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 379 386) no Hoare annotation was computed. [2018-11-28 11:44:06,915 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 379 386) no Hoare annotation was computed. [2018-11-28 11:44:06,915 INFO L444 ceAbstractionStarter]: At program point L347(line 347) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (< ~waterLevel~0 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse3 (not (= ~waterLevel~0 1)) .cse5) (or .cse1 .cse2 .cse3 .cse5) (or .cse0 .cse4 .cse1 .cse3) (or (or (< ~waterLevel~0 2) .cse3 .cse5) .cse4))) [2018-11-28 11:44:06,915 INFO L448 ceAbstractionStarter]: For program point L347-1(lines 328 352) no Hoare annotation was computed. [2018-11-28 11:44:06,916 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 328 352) no Hoare annotation was computed. [2018-11-28 11:44:06,916 INFO L444 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse0 (< ~waterLevel~0 1)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-28 11:44:06,916 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 328 352) the Hoare annotation is: (let ((.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse0))) [2018-11-28 11:44:06,916 INFO L444 ceAbstractionStarter]: At program point L338(line 338) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (= processEnvironment_~tmp~2 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse5 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse5 .cse0 .cse1 .cse2) (or .cse5 .cse4 .cse1 .cse2))) [2018-11-28 11:44:06,916 INFO L448 ceAbstractionStarter]: For program point L336(lines 336 344) no Hoare annotation was computed. [2018-11-28 11:44:06,916 INFO L444 ceAbstractionStarter]: At program point L334(line 334) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse1 .cse2) (or .cse1 .cse2 .cse3 .cse5) (or .cse4 .cse0 .cse1 .cse2))) [2018-11-28 11:44:06,916 INFO L448 ceAbstractionStarter]: For program point L334-1(line 334) no Hoare annotation was computed. [2018-11-28 11:44:06,916 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 349) no Hoare annotation was computed. [2018-11-28 11:44:06,916 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 146) no Hoare annotation was computed. [2018-11-28 11:44:06,916 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 136 149) no Hoare annotation was computed. [2018-11-28 11:44:06,917 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 136 149) the Hoare annotation is: true [2018-11-28 11:44:06,917 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 136 149) no Hoare annotation was computed. [2018-11-28 11:44:06,917 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 294 300) no Hoare annotation was computed. [2018-11-28 11:44:06,917 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 294 300) the Hoare annotation is: true [2018-11-28 11:44:06,917 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 516 581) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:44:06,917 INFO L444 ceAbstractionStarter]: At program point L574(lines 525 575) 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))) [2018-11-28 11:44:06,917 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 516 581) no Hoare annotation was computed. [2018-11-28 11:44:06,917 INFO L448 ceAbstractionStarter]: For program point L564(lines 564 568) no Hoare annotation was computed. [2018-11-28 11:44:06,917 INFO L444 ceAbstractionStarter]: At program point L564-2(lines 556 569) the Hoare annotation is: (let ((.cse6 (<= 2 ~waterLevel~0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 11:44:06,917 INFO L448 ceAbstractionStarter]: For program point L527(lines 526 573) no Hoare annotation was computed. [2018-11-28 11:44:06,917 INFO L444 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse6 (<= 2 ~waterLevel~0)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse5 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse3 (= ~systemActive~0 1)) (.cse4 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse3 .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse6 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse1 .cse3 .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 11:44:06,917 INFO L448 ceAbstractionStarter]: For program point L556(lines 556 569) no Hoare annotation was computed. [2018-11-28 11:44:06,917 INFO L444 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2 .cse3) (and .cse4 (<= 2 ~waterLevel~0) .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse4 .cse0 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 11:44:06,917 INFO L448 ceAbstractionStarter]: For program point L546(lines 546 552) no Hoare annotation was computed. [2018-11-28 11:44:06,918 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 546 552) no Hoare annotation was computed. [2018-11-28 11:44:06,918 INFO L444 ceAbstractionStarter]: At program point L571(lines 526 573) the Hoare annotation is: (let ((.cse0 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 (= ~methaneLevelCritical~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse3 .cse4 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 11:44:06,918 INFO L444 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: (let ((.cse4 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 1) .cse2 .cse3) (and .cse4 (<= 2 ~waterLevel~0) .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse4 .cse0 .cse1 .cse2 .cse3) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 11:44:06,918 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 542) no Hoare annotation was computed. [2018-11-28 11:44:06,918 INFO L448 ceAbstractionStarter]: For program point L536-1(lines 536 542) no Hoare annotation was computed. [2018-11-28 11:44:06,918 INFO L448 ceAbstractionStarter]: For program point L528(lines 528 532) no Hoare annotation was computed. [2018-11-28 11:44:06,918 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 516 581) no Hoare annotation was computed. [2018-11-28 11:44:06,918 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 353 360) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (< ~waterLevel~0 2) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-11-28 11:44:06,918 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 353 360) no Hoare annotation was computed. [2018-11-28 11:44:06,918 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 353 360) no Hoare annotation was computed. [2018-11-28 11:44:06,918 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 150 158) no Hoare annotation was computed. [2018-11-28 11:44:06,918 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 150 158) the Hoare annotation is: true [2018-11-28 11:44:06,918 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 150 158) no Hoare annotation was computed. [2018-11-28 11:44:06,918 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:44:06,918 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)) [2018-11-28 11:44:06,918 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:44:06,919 INFO L448 ceAbstractionStarter]: For program point L369(lines 369 375) no Hoare annotation was computed. [2018-11-28 11:44:06,919 INFO L444 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 11:44:06,919 INFO L448 ceAbstractionStarter]: For program point L367-1(line 367) no Hoare annotation was computed. [2018-11-28 11:44:06,919 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 362 378) no Hoare annotation was computed. [2018-11-28 11:44:06,919 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 362 378) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 11:44:06,919 INFO L444 ceAbstractionStarter]: At program point L373(line 373) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 2)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and (= activatePump_~tmp~3 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 11:44:06,919 INFO L448 ceAbstractionStarter]: For program point L373-1(lines 362 378) no Hoare annotation was computed. [2018-11-28 11:44:06,919 INFO L448 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2018-11-28 11:44:06,919 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 443 461) no Hoare annotation was computed. [2018-11-28 11:44:06,919 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 443 461) the Hoare annotation is: true [2018-11-28 11:44:06,919 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 443 461) no Hoare annotation was computed. [2018-11-28 11:44:06,919 INFO L448 ceAbstractionStarter]: For program point L452(lines 452 456) no Hoare annotation was computed. [2018-11-28 11:44:06,919 INFO L451 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: true [2018-11-28 11:44:06,920 INFO L448 ceAbstractionStarter]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2018-11-28 11:44:06,920 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3) (or .cse1 (or (< ~waterLevel~0 2) .cse2 .cse3)) (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= ~methaneLevelCritical~0 1) (< ~waterLevel~0 1) .cse2))) [2018-11-28 11:44:06,920 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2018-11-28 11:44:06,920 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2018-11-28 11:44:06,920 INFO L444 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (let ((.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse7))) (and (or .cse0 .cse1 .cse2 (< |old(~waterLevel~0)| 1) .cse3) (or (or .cse4 .cse3 .cse5) .cse6) (or .cse1 (and .cse2 .cse7) .cse3 .cse8 .cse5) (or (or .cse1 .cse4 .cse3 .cse5) .cse2) (or .cse0 .cse1 .cse7 .cse3 .cse8) (or (or .cse0 .cse4 .cse3) .cse6)))) [2018-11-28 11:44:06,920 INFO L444 ceAbstractionStarter]: At program point L281(lines 281 287) the Hoare annotation is: (let ((.cse9 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse10 (= ~systemActive~0 1))) (let ((.cse0 (and (= 0 ~methaneLevelCritical~0) (<= 2 ~waterLevel~0) .cse9 .cse10)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (and .cse9 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse8 (not (= ~methaneLevelCritical~0 1))) (.cse3 (< |old(~waterLevel~0)| 2)) (.cse4 (not .cse10)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)))) (and (or .cse0 (and .cse1 .cse2) (or .cse3 .cse4 .cse5)) (or .cse6 .cse7 .cse0 (< |old(~waterLevel~0)| 1) .cse4 .cse5) (or .cse8 .cse7 .cse6 .cse4 (not (= |old(~waterLevel~0)| 1))) (or (and .cse1 .cse9) (or .cse8 .cse3 .cse4) (and (not (= |old(~pumpRunning~0)| 0)) .cse1 .cse2))))) [2018-11-28 11:44:06,920 INFO L444 ceAbstractionStarter]: At program point L276(line 276) the Hoare annotation is: (let ((.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (< |old(~waterLevel~0)| 1)) (.cse3 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse0 (or .cse2 .cse3 .cse4)) (or .cse1 .cse5 .cse6 .cse3) (or .cse5 .cse6 .cse3 .cse4))) [2018-11-28 11:44:06,920 INFO L448 ceAbstractionStarter]: For program point L274(lines 273 292) no Hoare annotation was computed. [2018-11-28 11:44:06,921 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 270 293) the Hoare annotation is: (let ((.cse2 (< |old(~waterLevel~0)| 2)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (and (= ~waterLevel~0 |old(~waterLevel~0)|) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse0 (or .cse2 .cse3 .cse4)) (or .cse1 .cse5 .cse0 .cse3 .cse6) (or .cse5 .cse0 .cse3 .cse6 .cse4))) [2018-11-28 11:44:06,921 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 270 293) no Hoare annotation was computed. [2018-11-28 11:44:06,921 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 270 293) no Hoare annotation was computed. [2018-11-28 11:44:06,921 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 162 191) no Hoare annotation was computed. [2018-11-28 11:44:06,921 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 162 191) the Hoare annotation is: true [2018-11-28 11:44:06,921 INFO L451 ceAbstractionStarter]: At program point L187(lines 162 191) the Hoare annotation is: true [2018-11-28 11:44:06,921 INFO L448 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-11-28 11:44:06,921 INFO L448 ceAbstractionStarter]: For program point L176(lines 176 180) no Hoare annotation was computed. [2018-11-28 11:44:06,921 INFO L451 ceAbstractionStarter]: At program point L176-1(lines 176 180) the Hoare annotation is: true [2018-11-28 11:44:06,921 INFO L448 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2018-11-28 11:44:06,921 INFO L451 ceAbstractionStarter]: At program point L172-2(lines 172 186) the Hoare annotation is: true [2018-11-28 11:44:06,921 INFO L451 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2018-11-28 11:44:06,921 INFO L448 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2018-11-28 11:44:06,922 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 95 103) the Hoare annotation is: true [2018-11-28 11:44:06,922 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2018-11-28 11:44:06,922 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2018-11-28 11:44:06,922 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 59 70) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse1 (or (= ~pumpRunning~0 0) (not (= ~systemActive~0 1)))) (.cse2 (< |old(~waterLevel~0)| 2))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 11:44:06,922 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 59 70) no Hoare annotation was computed. [2018-11-28 11:44:06,922 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 59 70) no Hoare annotation was computed. [2018-11-28 11:44:06,922 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 217 223) no Hoare annotation was computed. [2018-11-28 11:44:06,922 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 217 223) the Hoare annotation is: true [2018-11-28 11:44:06,922 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:44:06,922 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)) [2018-11-28 11:44:06,922 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 11:44:06,922 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:44:06,923 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 481 488) no Hoare annotation was computed. [2018-11-28 11:44:06,923 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 481 488) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~waterLevel~0 1))) (.cse1 (= ~systemActive~0 1)) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse5 (< ~waterLevel~0 2)) (.cse2 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 (or .cse5 .cse2 .cse4)) (or .cse6 .cse0 .cse1 .cse2 .cse3) (or .cse1 (or .cse6 .cse5 .cse2)))) [2018-11-28 11:44:06,923 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 481 488) no Hoare annotation was computed. [2018-11-28 11:44:06,923 INFO L444 ceAbstractionStarter]: At program point L321(line 321) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 11:44:06,923 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 302 326) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (< ~waterLevel~0 1) .cse2) (or (or .cse0 (< ~waterLevel~0 2) .cse2 .cse3) .cse1) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3))) [2018-11-28 11:44:06,923 INFO L448 ceAbstractionStarter]: For program point L321-1(lines 302 326) no Hoare annotation was computed. [2018-11-28 11:44:06,923 INFO L444 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse3 .cse2))) [2018-11-28 11:44:06,923 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 302 326) no Hoare annotation was computed. [2018-11-28 11:44:06,924 INFO L444 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (let ((.cse3 (and (<= 2 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 11:44:06,924 INFO L448 ceAbstractionStarter]: For program point L310(lines 310 318) no Hoare annotation was computed. [2018-11-28 11:44:06,924 INFO L444 ceAbstractionStarter]: At program point L308(line 308) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (< ~waterLevel~0 1) .cse2) (or (or .cse0 (< ~waterLevel~0 2) .cse2 .cse3) .cse1) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1)) .cse3))) [2018-11-28 11:44:06,924 INFO L448 ceAbstractionStarter]: For program point L308-1(line 308) no Hoare annotation was computed. [2018-11-28 11:44:06,924 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 323) no Hoare annotation was computed. [2018-11-28 11:44:06,924 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2018-11-28 11:44:06,924 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2018-11-28 11:44:06,924 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= ~systemActive~0 1)))) (let ((.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (or .cse1 .cse3)) (.cse4 (< |old(~waterLevel~0)| 2)) (.cse2 (= ~waterLevel~0 |old(~waterLevel~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= |old(~waterLevel~0)| 1))) (or .cse4 .cse2 .cse3 .cse5) (or .cse2 .cse6 (< |old(~waterLevel~0)| 1) .cse5) (or .cse0 .cse6 .cse4 .cse2)))) [2018-11-28 11:44:06,924 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-28 11:44:06,924 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-28 11:44:06,925 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-28 11:44:06,925 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-28 11:44:06,925 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 490 514) the Hoare annotation is: true [2018-11-28 11:44:06,925 INFO L444 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (< ~waterLevel~0 1)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (< ~waterLevel~0 2) .cse2 .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 11:44:06,925 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 490 514) no Hoare annotation was computed. [2018-11-28 11:44:06,925 INFO L448 ceAbstractionStarter]: For program point L502(lines 502 508) no Hoare annotation was computed. [2018-11-28 11:44:06,925 INFO L444 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 ~pumpRunning~0)) (< ~waterLevel~0 1) .cse0 .cse1) (or (< ~waterLevel~0 2) .cse0 .cse1))) [2018-11-28 11:44:06,925 INFO L448 ceAbstractionStarter]: For program point L500-1(line 500) no Hoare annotation was computed. [2018-11-28 11:44:06,925 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2018-11-28 11:44:06,925 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 490 514) no Hoare annotation was computed. [2018-11-28 11:44:06,925 INFO L451 ceAbstractionStarter]: At program point L496(line 496) the Hoare annotation is: true [2018-11-28 11:44:06,925 INFO L448 ceAbstractionStarter]: For program point L496-1(line 496) no Hoare annotation was computed. [2018-11-28 11:44:06,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:44:06 BoogieIcfgContainer [2018-11-28 11:44:06,938 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:44:06,938 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:44:06,938 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:44:06,938 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:44:06,939 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:43:58" (3/4) ... [2018-11-28 11:44:06,942 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 11:44:06,948 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 11:44:06,948 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 11:44:06,948 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 11:44:06,948 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 11:44:06,948 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 11:44:06,948 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 11:44:06,948 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 11:44:06,948 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 11:44:06,948 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 11:44:06,948 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 11:44:06,948 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 11:44:06,948 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 11:44:06,949 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 11:44:06,949 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 11:44:06,949 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 11:44:06,949 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 11:44:06,949 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 11:44:06,949 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 11:44:06,949 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 11:44:06,949 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 11:44:06,949 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 11:44:06,949 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 11:44:06,949 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 11:44:06,949 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 11:44:06,950 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 11:44:06,950 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:44:06,950 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 11:44:06,950 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 11:44:06,950 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-11-28 11:44:06,957 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-28 11:44:06,957 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 11:44:06,958 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 11:44:06,958 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 11:44:06,958 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 11:44:06,959 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 11:44:06,977 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((0 == methaneLevelCritical && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 11:44:06,977 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 11:44:07,010 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cd42890f-50fa-425d-ae23-01e9676988e1/bin-2019/uautomizer/witness.graphml [2018-11-28 11:44:07,010 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:44:07,011 INFO L168 Benchmark]: Toolchain (without parser) took 9506.19 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 424.1 MB). Free memory was 949.9 MB in the beginning and 908.9 MB in the end (delta: 41.0 MB). Peak memory consumption was 465.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:44:07,011 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:44:07,011 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -180.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-11-28 11:44:07,012 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.11 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. [2018-11-28 11:44:07,012 INFO L168 Benchmark]: Boogie Preprocessor took 28.87 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. [2018-11-28 11:44:07,012 INFO L168 Benchmark]: RCFGBuilder took 485.17 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: 56.7 MB). Peak memory consumption was 56.7 MB. Max. memory is 11.5 GB. [2018-11-28 11:44:07,012 INFO L168 Benchmark]: TraceAbstraction took 8537.56 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 271.6 MB). Free memory was 1.1 GB in the beginning and 921.7 MB in the end (delta: 152.1 MB). Peak memory consumption was 423.6 MB. Max. memory is 11.5 GB. [2018-11-28 11:44:07,012 INFO L168 Benchmark]: Witness Printer took 72.13 ms. Allocated memory is still 1.5 GB. Free memory was 921.7 MB in the beginning and 908.9 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:44:07,014 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 358.69 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 949.9 MB in the beginning and 1.1 GB in the end (delta: -180.5 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.11 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 28.87 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. * RCFGBuilder took 485.17 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: 56.7 MB). Peak memory consumption was 56.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8537.56 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 271.6 MB). Free memory was 1.1 GB in the beginning and 921.7 MB in the end (delta: 152.1 MB). Peak memory consumption was 423.6 MB. Max. memory is 11.5 GB. * Witness Printer took 72.13 ms. Allocated memory is still 1.5 GB. Free memory was 921.7 MB in the beginning and 908.9 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 162]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: ((((((((0 == methaneLevelCritical && 2 <= waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 1 <= waterLevel) && methaneLevelCritical == 1) && systemActive == 1) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || ((((0 == methaneLevelCritical && 0 == pumpRunning) && 1 <= waterLevel) && systemActive == 1) && splverifierCounter == 0)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 30 procedures, 157 locations, 1 error locations. SAFE Result, 8.4s OverallTime, 12 OverallIterations, 3 TraceHistogramMax, 3.9s AutomataDifference, 0.0s DeadEndRemovalTime, 2.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2212 SDtfs, 1957 SDslu, 7034 SDs, 0 SdLazy, 4169 SolverSat, 834 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 419 GetRequests, 307 SyntacticMatches, 3 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1485occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 12 MinimizatonAttempts, 347 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 2043 PreInvPairs, 2120 NumberOfFragments, 2131 HoareAnnotationTreeSize, 2043 FomulaSimplifications, 7035 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 65 FomulaSimplificationsInter, 7300 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1346 NumberOfCodeBlocks, 1346 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1332 ConstructedInterpolants, 0 QuantifiedInterpolants, 244814 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1639 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 114/120 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...