./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product45_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_018dee5f-702e-46af-90e7-1a08db041398/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_018dee5f-702e-46af-90e7-1a08db041398/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_018dee5f-702e-46af-90e7-1a08db041398/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_018dee5f-702e-46af-90e7-1a08db041398/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product45_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_018dee5f-702e-46af-90e7-1a08db041398/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_018dee5f-702e-46af-90e7-1a08db041398/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 9b7549a4c392cf253bbff25b83e97c5c89bfd389 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 02:11:08,915 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 02:11:08,916 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 02:11:08,921 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 02:11:08,922 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 02:11:08,922 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 02:11:08,923 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 02:11:08,924 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 02:11:08,925 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 02:11:08,925 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 02:11:08,926 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 02:11:08,926 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 02:11:08,926 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 02:11:08,927 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 02:11:08,928 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 02:11:08,928 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 02:11:08,928 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 02:11:08,929 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 02:11:08,930 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 02:11:08,931 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 02:11:08,932 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 02:11:08,932 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 02:11:08,933 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 02:11:08,933 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 02:11:08,934 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 02:11:08,934 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 02:11:08,935 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 02:11:08,935 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 02:11:08,935 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 02:11:08,936 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 02:11:08,936 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 02:11:08,937 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 02:11:08,937 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 02:11:08,937 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 02:11:08,937 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 02:11:08,938 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 02:11:08,938 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_018dee5f-702e-46af-90e7-1a08db041398/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 02:11:08,945 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 02:11:08,946 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 02:11:08,946 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 02:11:08,946 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 02:11:08,947 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 02:11:08,947 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 02:11:08,947 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 02:11:08,947 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 02:11:08,947 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 02:11:08,947 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 02:11:08,948 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 02:11:08,948 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 02:11:08,948 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 02:11:08,948 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 02:11:08,948 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 02:11:08,948 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 02:11:08,948 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 02:11:08,949 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 02:11:08,949 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 02:11:08,949 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 02:11:08,949 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 02:11:08,949 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 02:11:08,949 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 02:11:08,949 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 02:11:08,949 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 02:11:08,950 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 02:11:08,950 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 02:11:08,950 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 02:11:08,950 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 02:11:08,950 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 02:11:08,950 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_018dee5f-702e-46af-90e7-1a08db041398/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 -> 9b7549a4c392cf253bbff25b83e97c5c89bfd389 [2018-12-02 02:11:08,968 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 02:11:08,977 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 02:11:08,979 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 02:11:08,980 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 02:11:08,980 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 02:11:08,981 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_018dee5f-702e-46af-90e7-1a08db041398/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product45_true-unreach-call_false-termination.cil.c [2018-12-02 02:11:09,023 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_018dee5f-702e-46af-90e7-1a08db041398/bin-2019/uautomizer/data/d087ca4c0/2e03fe35c2974a61910871df6577c07d/FLAG42bee607f [2018-12-02 02:11:09,434 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 02:11:09,434 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_018dee5f-702e-46af-90e7-1a08db041398/sv-benchmarks/c/product-lines/minepump_spec2_product45_true-unreach-call_false-termination.cil.c [2018-12-02 02:11:09,440 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_018dee5f-702e-46af-90e7-1a08db041398/bin-2019/uautomizer/data/d087ca4c0/2e03fe35c2974a61910871df6577c07d/FLAG42bee607f [2018-12-02 02:11:09,448 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_018dee5f-702e-46af-90e7-1a08db041398/bin-2019/uautomizer/data/d087ca4c0/2e03fe35c2974a61910871df6577c07d [2018-12-02 02:11:09,450 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 02:11:09,451 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 02:11:09,452 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 02:11:09,452 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 02:11:09,454 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 02:11:09,455 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:11:09" (1/1) ... [2018-12-02 02:11:09,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46c0e1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:09, skipping insertion in model container [2018-12-02 02:11:09,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:11:09" (1/1) ... [2018-12-02 02:11:09,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 02:11:09,480 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 02:11:09,623 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:11:09,663 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 02:11:09,705 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:11:09,721 INFO L195 MainTranslator]: Completed translation [2018-12-02 02:11:09,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:09 WrapperNode [2018-12-02 02:11:09,722 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 02:11:09,722 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 02:11:09,722 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 02:11:09,722 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 02:11:09,728 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:09" (1/1) ... [2018-12-02 02:11:09,737 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:09" (1/1) ... [2018-12-02 02:11:09,742 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 02:11:09,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 02:11:09,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 02:11:09,742 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 02:11:09,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:09" (1/1) ... [2018-12-02 02:11:09,749 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:09" (1/1) ... [2018-12-02 02:11:09,751 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:09" (1/1) ... [2018-12-02 02:11:09,751 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:09" (1/1) ... [2018-12-02 02:11:09,757 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:09" (1/1) ... [2018-12-02 02:11:09,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:09" (1/1) ... [2018-12-02 02:11:09,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:09" (1/1) ... [2018-12-02 02:11:09,765 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 02:11:09,765 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 02:11:09,765 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 02:11:09,765 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 02:11:09,766 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_018dee5f-702e-46af-90e7-1a08db041398/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 02:11:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 02:11:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 02:11:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 02:11:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 02:11:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 02:11:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 02:11:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 02:11:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-02 02:11:09,810 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-02 02:11:09,810 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 02:11:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 02:11:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 02:11:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 02:11:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 02:11:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 02:11:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-12-02 02:11:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-12-02 02:11:09,811 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-12-02 02:11:09,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-12-02 02:11:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-02 02:11:09,812 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-02 02:11:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-02 02:11:09,812 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-02 02:11:09,812 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 02:11:09,812 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 02:11:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 02:11:09,813 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 02:11:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 02:11:09,813 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 02:11:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 02:11:09,813 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 02:11:09,813 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 02:11:09,813 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 02:11:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 02:11:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 02:11:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 02:11:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 02:11:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 02:11:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 02:11:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 02:11:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 02:11:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 02:11:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 02:11:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 02:11:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 02:11:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 02:11:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 02:11:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2018-12-02 02:11:09,816 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2018-12-02 02:11:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 02:11:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 02:11:09,816 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 02:11:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 02:11:09,816 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 02:11:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 02:11:09,816 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 02:11:09,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 02:11:09,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 02:11:10,118 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 02:11:10,118 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 02:11:10,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:11:10 BoogieIcfgContainer [2018-12-02 02:11:10,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 02:11:10,119 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 02:11:10,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 02:11:10,121 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 02:11:10,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:11:09" (1/3) ... [2018-12-02 02:11:10,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@665f1bf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:11:10, skipping insertion in model container [2018-12-02 02:11:10,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:11:09" (2/3) ... [2018-12-02 02:11:10,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@665f1bf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:11:10, skipping insertion in model container [2018-12-02 02:11:10,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:11:10" (3/3) ... [2018-12-02 02:11:10,123 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product45_true-unreach-call_false-termination.cil.c [2018-12-02 02:11:10,129 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 02:11:10,134 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 02:11:10,143 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 02:11:10,161 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 02:11:10,161 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 02:11:10,161 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 02:11:10,161 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 02:11:10,161 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 02:11:10,161 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 02:11:10,161 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 02:11:10,161 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 02:11:10,162 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 02:11:10,173 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states. [2018-12-02 02:11:10,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-02 02:11:10,178 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:11:10,179 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] [2018-12-02 02:11:10,180 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:11:10,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:11:10,184 INFO L82 PathProgramCache]: Analyzing trace with hash 2057341434, now seen corresponding path program 1 times [2018-12-02 02:11:10,185 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 02:11:10,185 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 02:11:10,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:11:10,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:11:10,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:11:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:10,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:11:10,320 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:11:10,320 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 02:11:10,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 02:11:10,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 02:11:10,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 02:11:10,332 INFO L87 Difference]: Start difference. First operand 148 states. Second operand 2 states. [2018-12-02 02:11:10,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:11:10,355 INFO L93 Difference]: Finished difference Result 266 states and 333 transitions. [2018-12-02 02:11:10,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 02:11:10,356 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-12-02 02:11:10,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:11:10,363 INFO L225 Difference]: With dead ends: 266 [2018-12-02 02:11:10,363 INFO L226 Difference]: Without dead ends: 135 [2018-12-02 02:11:10,365 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 02:11:10,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-12-02 02:11:10,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-12-02 02:11:10,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-12-02 02:11:10,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 160 transitions. [2018-12-02 02:11:10,395 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 160 transitions. Word has length 51 [2018-12-02 02:11:10,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:11:10,396 INFO L480 AbstractCegarLoop]: Abstraction has 135 states and 160 transitions. [2018-12-02 02:11:10,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 02:11:10,396 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 160 transitions. [2018-12-02 02:11:10,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 02:11:10,397 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:11:10,398 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:11:10,398 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:11:10,398 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:11:10,398 INFO L82 PathProgramCache]: Analyzing trace with hash 886643026, now seen corresponding path program 1 times [2018-12-02 02:11:10,398 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 02:11:10,398 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 02:11:10,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:11:10,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:11:10,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:11:10,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:10,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:11:10,451 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:11:10,451 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 02:11:10,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 02:11:10,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 02:11:10,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 02:11:10,452 INFO L87 Difference]: Start difference. First operand 135 states and 160 transitions. Second operand 3 states. [2018-12-02 02:11:10,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:11:10,465 INFO L93 Difference]: Finished difference Result 215 states and 255 transitions. [2018-12-02 02:11:10,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 02:11:10,465 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-02 02:11:10,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:11:10,466 INFO L225 Difference]: With dead ends: 215 [2018-12-02 02:11:10,466 INFO L226 Difference]: Without dead ends: 126 [2018-12-02 02:11:10,467 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 02:11:10,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-12-02 02:11:10,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-12-02 02:11:10,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-12-02 02:11:10,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 148 transitions. [2018-12-02 02:11:10,474 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 148 transitions. Word has length 52 [2018-12-02 02:11:10,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:11:10,475 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 148 transitions. [2018-12-02 02:11:10,475 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 02:11:10,475 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 148 transitions. [2018-12-02 02:11:10,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-12-02 02:11:10,476 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:11:10,476 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] [2018-12-02 02:11:10,476 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:11:10,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:11:10,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1831062250, now seen corresponding path program 1 times [2018-12-02 02:11:10,476 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 02:11:10,476 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 02:11:10,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:11:10,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:11:10,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:11:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:10,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:11:10,546 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:11:10,546 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 02:11:10,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 02:11:10,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 02:11:10,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 02:11:10,547 INFO L87 Difference]: Start difference. First operand 126 states and 148 transitions. Second operand 7 states. [2018-12-02 02:11:10,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:11:10,712 INFO L93 Difference]: Finished difference Result 224 states and 269 transitions. [2018-12-02 02:11:10,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 02:11:10,713 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2018-12-02 02:11:10,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:11:10,714 INFO L225 Difference]: With dead ends: 224 [2018-12-02 02:11:10,714 INFO L226 Difference]: Without dead ends: 126 [2018-12-02 02:11:10,715 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 02:11:10,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-12-02 02:11:10,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-12-02 02:11:10,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-12-02 02:11:10,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2018-12-02 02:11:10,726 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 56 [2018-12-02 02:11:10,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:11:10,726 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2018-12-02 02:11:10,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 02:11:10,726 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2018-12-02 02:11:10,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-02 02:11:10,728 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:11:10,728 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] [2018-12-02 02:11:10,728 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:11:10,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:11:10,729 INFO L82 PathProgramCache]: Analyzing trace with hash -50523387, now seen corresponding path program 1 times [2018-12-02 02:11:10,729 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 02:11:10,729 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 02:11:10,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:11:10,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:11:10,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:11:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:10,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:11:10,809 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:11:10,810 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 02:11:10,810 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 02:11:10,810 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 02:11:10,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 02:11:10,810 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 5 states. [2018-12-02 02:11:11,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:11:11,109 INFO L93 Difference]: Finished difference Result 327 states and 398 transitions. [2018-12-02 02:11:11,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 02:11:11,109 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2018-12-02 02:11:11,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:11:11,111 INFO L225 Difference]: With dead ends: 327 [2018-12-02 02:11:11,111 INFO L226 Difference]: Without dead ends: 229 [2018-12-02 02:11:11,111 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 02:11:11,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-12-02 02:11:11,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 211. [2018-12-02 02:11:11,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-12-02 02:11:11,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 243 transitions. [2018-12-02 02:11:11,126 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 243 transitions. Word has length 69 [2018-12-02 02:11:11,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:11:11,126 INFO L480 AbstractCegarLoop]: Abstraction has 211 states and 243 transitions. [2018-12-02 02:11:11,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 02:11:11,126 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 243 transitions. [2018-12-02 02:11:11,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-02 02:11:11,127 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:11:11,127 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] [2018-12-02 02:11:11,127 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:11:11,127 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:11:11,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1952348736, now seen corresponding path program 1 times [2018-12-02 02:11:11,127 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 02:11:11,127 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 02:11:11,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:11:11,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:11:11,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:11:11,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:11,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:11:11,204 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:11:11,204 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 02:11:11,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 02:11:11,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 02:11:11,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 02:11:11,205 INFO L87 Difference]: Start difference. First operand 211 states and 243 transitions. Second operand 6 states. [2018-12-02 02:11:11,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:11:11,332 INFO L93 Difference]: Finished difference Result 559 states and 665 transitions. [2018-12-02 02:11:11,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 02:11:11,333 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2018-12-02 02:11:11,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:11:11,336 INFO L225 Difference]: With dead ends: 559 [2018-12-02 02:11:11,336 INFO L226 Difference]: Without dead ends: 376 [2018-12-02 02:11:11,337 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 02:11:11,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2018-12-02 02:11:11,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 370. [2018-12-02 02:11:11,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2018-12-02 02:11:11,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 426 transitions. [2018-12-02 02:11:11,370 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 426 transitions. Word has length 83 [2018-12-02 02:11:11,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:11:11,371 INFO L480 AbstractCegarLoop]: Abstraction has 370 states and 426 transitions. [2018-12-02 02:11:11,371 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 02:11:11,371 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 426 transitions. [2018-12-02 02:11:11,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-02 02:11:11,372 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:11:11,372 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:11:11,372 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:11:11,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:11:11,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1133774980, now seen corresponding path program 1 times [2018-12-02 02:11:11,373 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 02:11:11,373 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 02:11:11,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:11:11,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:11:11,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:11:11,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:11,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:11:11,446 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:11:11,446 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 02:11:11,446 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 02:11:11,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 02:11:11,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-02 02:11:11,446 INFO L87 Difference]: Start difference. First operand 370 states and 426 transitions. Second operand 7 states. [2018-12-02 02:11:11,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:11:11,749 INFO L93 Difference]: Finished difference Result 741 states and 876 transitions. [2018-12-02 02:11:11,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 02:11:11,750 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2018-12-02 02:11:11,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:11:11,751 INFO L225 Difference]: With dead ends: 741 [2018-12-02 02:11:11,751 INFO L226 Difference]: Without dead ends: 399 [2018-12-02 02:11:11,752 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 [2018-12-02 02:11:11,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2018-12-02 02:11:11,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 369. [2018-12-02 02:11:11,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2018-12-02 02:11:11,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 423 transitions. [2018-12-02 02:11:11,767 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 423 transitions. Word has length 87 [2018-12-02 02:11:11,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:11:11,768 INFO L480 AbstractCegarLoop]: Abstraction has 369 states and 423 transitions. [2018-12-02 02:11:11,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 02:11:11,768 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 423 transitions. [2018-12-02 02:11:11,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 02:11:11,769 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:11:11,769 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:11:11,769 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:11:11,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:11:11,770 INFO L82 PathProgramCache]: Analyzing trace with hash 342193107, now seen corresponding path program 1 times [2018-12-02 02:11:11,770 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 02:11:11,770 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 02:11:11,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:11:11,771 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:11:11,771 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:11:11,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:11,807 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 02:11:11,807 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:11:11,807 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 02:11:11,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 02:11:11,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 02:11:11,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-02 02:11:11,808 INFO L87 Difference]: Start difference. First operand 369 states and 423 transitions. Second operand 6 states. [2018-12-02 02:11:11,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:11:11,852 INFO L93 Difference]: Finished difference Result 724 states and 850 transitions. [2018-12-02 02:11:11,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 02:11:11,852 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2018-12-02 02:11:11,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:11:11,854 INFO L225 Difference]: With dead ends: 724 [2018-12-02 02:11:11,854 INFO L226 Difference]: Without dead ends: 383 [2018-12-02 02:11:11,854 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-02 02:11:11,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2018-12-02 02:11:11,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 379. [2018-12-02 02:11:11,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-12-02 02:11:11,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 433 transitions. [2018-12-02 02:11:11,867 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 433 transitions. Word has length 103 [2018-12-02 02:11:11,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:11:11,867 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 433 transitions. [2018-12-02 02:11:11,867 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 02:11:11,867 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 433 transitions. [2018-12-02 02:11:11,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 02:11:11,868 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:11:11,868 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:11:11,868 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:11:11,868 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:11:11,868 INFO L82 PathProgramCache]: Analyzing trace with hash -2024501487, now seen corresponding path program 1 times [2018-12-02 02:11:11,868 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 02:11:11,869 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 02:11:11,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:11:11,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:11:11,869 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:11:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:11,911 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 02:11:11,911 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:11:11,911 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-02 02:11:11,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 02:11:11,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 02:11:11,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 02:11:11,912 INFO L87 Difference]: Start difference. First operand 379 states and 433 transitions. Second operand 8 states. [2018-12-02 02:11:11,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:11:11,936 INFO L93 Difference]: Finished difference Result 744 states and 872 transitions. [2018-12-02 02:11:11,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 02:11:11,936 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2018-12-02 02:11:11,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:11:11,938 INFO L225 Difference]: With dead ends: 744 [2018-12-02 02:11:11,938 INFO L226 Difference]: Without dead ends: 393 [2018-12-02 02:11:11,939 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-02 02:11:11,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2018-12-02 02:11:11,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 387. [2018-12-02 02:11:11,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2018-12-02 02:11:11,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 441 transitions. [2018-12-02 02:11:11,959 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 441 transitions. Word has length 103 [2018-12-02 02:11:11,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:11:11,960 INFO L480 AbstractCegarLoop]: Abstraction has 387 states and 441 transitions. [2018-12-02 02:11:11,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 02:11:11,960 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 441 transitions. [2018-12-02 02:11:11,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 02:11:11,961 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:11:11,961 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:11:11,962 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:11:11,962 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:11:11,962 INFO L82 PathProgramCache]: Analyzing trace with hash 2029925680, now seen corresponding path program 1 times [2018-12-02 02:11:11,962 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 02:11:11,962 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 02:11:11,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:11:11,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:11:11,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:11:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:12,014 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 02:11:12,014 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:11:12,014 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 02:11:12,015 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 02:11:12,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 02:11:12,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 02:11:12,015 INFO L87 Difference]: Start difference. First operand 387 states and 441 transitions. Second operand 4 states. [2018-12-02 02:11:12,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:11:12,147 INFO L93 Difference]: Finished difference Result 1132 states and 1360 transitions. [2018-12-02 02:11:12,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 02:11:12,147 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2018-12-02 02:11:12,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:11:12,150 INFO L225 Difference]: With dead ends: 1132 [2018-12-02 02:11:12,150 INFO L226 Difference]: Without dead ends: 773 [2018-12-02 02:11:12,151 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-02 02:11:12,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2018-12-02 02:11:12,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 758. [2018-12-02 02:11:12,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 758 states. [2018-12-02 02:11:12,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 891 transitions. [2018-12-02 02:11:12,175 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 891 transitions. Word has length 103 [2018-12-02 02:11:12,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:11:12,176 INFO L480 AbstractCegarLoop]: Abstraction has 758 states and 891 transitions. [2018-12-02 02:11:12,176 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 02:11:12,176 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 891 transitions. [2018-12-02 02:11:12,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 02:11:12,177 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:11:12,177 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:11:12,177 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:11:12,177 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:11:12,177 INFO L82 PathProgramCache]: Analyzing trace with hash 657035318, now seen corresponding path program 1 times [2018-12-02 02:11:12,178 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 02:11:12,178 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 02:11:12,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:11:12,178 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:11:12,178 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:11:12,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:12,259 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 02:11:12,260 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:11:12,260 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_018dee5f-702e-46af-90e7-1a08db041398/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 02:11:12,267 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:11:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:12,346 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:11:12,460 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:11:12,476 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 02:11:12,476 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-02 02:11:12,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-02 02:11:12,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-02 02:11:12,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-02 02:11:12,477 INFO L87 Difference]: Start difference. First operand 758 states and 891 transitions. Second operand 19 states. [2018-12-02 02:11:13,125 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:11:13,125 INFO L93 Difference]: Finished difference Result 1457 states and 1733 transitions. [2018-12-02 02:11:13,126 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-02 02:11:13,126 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 107 [2018-12-02 02:11:13,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:11:13,128 INFO L225 Difference]: With dead ends: 1457 [2018-12-02 02:11:13,128 INFO L226 Difference]: Without dead ends: 727 [2018-12-02 02:11:13,129 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 102 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-02 02:11:13,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 727 states. [2018-12-02 02:11:13,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 727 to 727. [2018-12-02 02:11:13,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 727 states. [2018-12-02 02:11:13,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 727 states and 840 transitions. [2018-12-02 02:11:13,150 INFO L78 Accepts]: Start accepts. Automaton has 727 states and 840 transitions. Word has length 107 [2018-12-02 02:11:13,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:11:13,151 INFO L480 AbstractCegarLoop]: Abstraction has 727 states and 840 transitions. [2018-12-02 02:11:13,151 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-02 02:11:13,151 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 840 transitions. [2018-12-02 02:11:13,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-02 02:11:13,152 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:11:13,152 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:11:13,153 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:11:13,153 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:11:13,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1448753525, now seen corresponding path program 1 times [2018-12-02 02:11:13,153 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 02:11:13,153 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 02:11:13,153 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:11:13,153 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:11:13,154 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:11:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:13,251 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 02:11:13,251 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:11:13,251 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_018dee5f-702e-46af-90e7-1a08db041398/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 02:11:13,257 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:11:13,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:11:13,330 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:11:13,434 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 02:11:13,460 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 02:11:13,460 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-12-02 02:11:13,460 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-02 02:11:13,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-02 02:11:13,461 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-12-02 02:11:13,461 INFO L87 Difference]: Start difference. First operand 727 states and 840 transitions. Second operand 19 states. [2018-12-02 02:11:14,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:11:14,060 INFO L93 Difference]: Finished difference Result 1207 states and 1416 transitions. [2018-12-02 02:11:14,061 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-02 02:11:14,061 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 158 [2018-12-02 02:11:14,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:11:14,062 INFO L225 Difference]: With dead ends: 1207 [2018-12-02 02:11:14,062 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 02:11:14,063 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 155 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-12-02 02:11:14,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 02:11:14,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 02:11:14,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 02:11:14,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 02:11:14,064 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 158 [2018-12-02 02:11:14,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:11:14,064 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 02:11:14,064 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-02 02:11:14,064 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 02:11:14,064 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 02:11:14,067 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 02:11:14,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:11:14,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:11:14,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:11:14,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:11:14,295 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:11:14,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:11:14,652 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 30 [2018-12-02 02:11:15,465 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 29 [2018-12-02 02:11:15,771 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 902 908) the Hoare annotation is: true [2018-12-02 02:11:15,771 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 902 908) no Hoare annotation was computed. [2018-12-02 02:11:15,771 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 909 917) no Hoare annotation was computed. [2018-12-02 02:11:15,771 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 909 917) the Hoare annotation is: true [2018-12-02 02:11:15,771 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 909 917) no Hoare annotation was computed. [2018-12-02 02:11:15,771 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 497 519) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:11:15,771 INFO L444 ceAbstractionStarter]: At program point L509(line 509) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:11:15,771 INFO L444 ceAbstractionStarter]: At program point L509-1(line 509) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:11:15,772 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 514) no Hoare annotation was computed. [2018-12-02 02:11:15,772 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 507 514) no Hoare annotation was computed. [2018-12-02 02:11:15,772 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-02 02:11:15,772 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 497 519) no Hoare annotation was computed. [2018-12-02 02:11:15,772 INFO L444 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:11:15,772 INFO L444 ceAbstractionStarter]: At program point L503(line 503) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:11:15,772 INFO L444 ceAbstractionStarter]: At program point L503-1(line 503) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:11:15,772 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 497 519) no Hoare annotation was computed. [2018-12-02 02:11:15,772 INFO L444 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (let ((.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~waterLevel~0 1))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1) .cse2) (or .cse2 (not (= ~methaneLevelCritical~0 0)) (and (= 0 ~pumpRunning~0) .cse0 .cse1)))) [2018-12-02 02:11:15,773 INFO L448 ceAbstractionStarter]: For program point L572(lines 572 580) no Hoare annotation was computed. [2018-12-02 02:11:15,773 INFO L444 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 (not (= ~methaneLevelCritical~0 1)) (not .cse2) .cse0))) [2018-12-02 02:11:15,773 INFO L448 ceAbstractionStarter]: For program point L570-1(line 570) no Hoare annotation was computed. [2018-12-02 02:11:15,773 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 585) no Hoare annotation was computed. [2018-12-02 02:11:15,773 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 564 588) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 02:11:15,773 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 564 588) no Hoare annotation was computed. [2018-12-02 02:11:15,773 INFO L444 ceAbstractionStarter]: At program point L583(line 583) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse2))) [2018-12-02 02:11:15,773 INFO L448 ceAbstractionStarter]: For program point L583-1(lines 564 588) no Hoare annotation was computed. [2018-12-02 02:11:15,773 INFO L444 ceAbstractionStarter]: At program point L578(line 578) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (and (= 0 processEnvironment__wrappee__methaneQuery_~tmp~4) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) (not .cse2) .cse0 .cse3) (or .cse3 .cse0 .cse1))) [2018-12-02 02:11:15,773 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 659 667) no Hoare annotation was computed. [2018-12-02 02:11:15,773 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 659 667) the Hoare annotation is: true [2018-12-02 02:11:15,773 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 659 667) no Hoare annotation was computed. [2018-12-02 02:11:15,773 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 895 901) no Hoare annotation was computed. [2018-12-02 02:11:15,773 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 895 901) the Hoare annotation is: true [2018-12-02 02:11:15,773 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 483 493) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:11:15,773 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 483 493) no Hoare annotation was computed. [2018-12-02 02:11:15,773 INFO L444 ceAbstractionStarter]: At program point L488(line 488) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:11:15,773 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 483 493) no Hoare annotation was computed. [2018-12-02 02:11:15,773 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 648 658) the Hoare annotation is: true [2018-12-02 02:11:15,774 INFO L451 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: true [2018-12-02 02:11:15,774 INFO L448 ceAbstractionStarter]: For program point L653-1(line 653) no Hoare annotation was computed. [2018-12-02 02:11:15,774 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 648 658) no Hoare annotation was computed. [2018-12-02 02:11:15,774 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 648 658) no Hoare annotation was computed. [2018-12-02 02:11:15,774 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 640 647) the Hoare annotation is: (or (not (= ~methaneLevelCritical~0 1)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1)) (= 0 |old(~pumpRunning~0)|)) [2018-12-02 02:11:15,774 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 640 647) no Hoare annotation was computed. [2018-12-02 02:11:15,774 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 640 647) no Hoare annotation was computed. [2018-12-02 02:11:15,774 INFO L448 ceAbstractionStarter]: For program point L873(lines 873 879) no Hoare annotation was computed. [2018-12-02 02:11:15,774 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 869 882) no Hoare annotation was computed. [2018-12-02 02:11:15,774 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 869 882) the Hoare annotation is: true [2018-12-02 02:11:15,774 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 869 882) no Hoare annotation was computed. [2018-12-02 02:11:15,774 INFO L444 ceAbstractionStarter]: At program point L609(line 609) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= ~systemActive~0 1))) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 .cse4 .cse0) (or .cse4 .cse0 .cse2))) [2018-12-02 02:11:15,774 INFO L448 ceAbstractionStarter]: For program point L609-1(lines 590 614) no Hoare annotation was computed. [2018-12-02 02:11:15,775 INFO L444 ceAbstractionStarter]: At program point L604(line 604) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0) (or .cse0 (and (= processEnvironment_~tmp~5 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1))) [2018-12-02 02:11:15,775 INFO L444 ceAbstractionStarter]: At program point L600(line 600) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= processEnvironment_~tmp~5 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 02:11:15,775 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 590 614) no Hoare annotation was computed. [2018-12-02 02:11:15,775 INFO L448 ceAbstractionStarter]: For program point L598(lines 598 606) no Hoare annotation was computed. [2018-12-02 02:11:15,775 INFO L444 ceAbstractionStarter]: At program point L596(line 596) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse1 .cse4 .cse2) (or .cse3 .cse4 .cse1))) [2018-12-02 02:11:15,775 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 590 614) the Hoare annotation is: (let ((.cse1 (not (= ~systemActive~0 1))) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 02:11:15,775 INFO L448 ceAbstractionStarter]: For program point L596-1(line 596) no Hoare annotation was computed. [2018-12-02 02:11:15,775 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 611) no Hoare annotation was computed. [2018-12-02 02:11:15,775 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 556 562) no Hoare annotation was computed. [2018-12-02 02:11:15,775 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 556 562) the Hoare annotation is: true [2018-12-02 02:11:15,776 INFO L444 ceAbstractionStarter]: At program point L770-2(lines 764 775) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= ~methaneLevelCritical~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-12-02 02:11:15,776 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 724 787) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:11:15,776 INFO L448 ceAbstractionStarter]: For program point L735(lines 734 779) no Hoare annotation was computed. [2018-12-02 02:11:15,776 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 775) no Hoare annotation was computed. [2018-12-02 02:11:15,776 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 724 787) no Hoare annotation was computed. [2018-12-02 02:11:15,776 INFO L444 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-12-02 02:11:15,776 INFO L448 ceAbstractionStarter]: For program point L754(lines 754 760) no Hoare annotation was computed. [2018-12-02 02:11:15,776 INFO L448 ceAbstractionStarter]: For program point L754-1(lines 754 760) no Hoare annotation was computed. [2018-12-02 02:11:15,776 INFO L444 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (and (and (= 0 ~pumpRunning~0) .cse0) (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-12-02 02:11:15,776 INFO L444 ceAbstractionStarter]: At program point L777(lines 734 779) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~methaneLevelCritical~0 1) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) .cse0))) [2018-12-02 02:11:15,776 INFO L448 ceAbstractionStarter]: For program point L744(lines 744 750) no Hoare annotation was computed. [2018-12-02 02:11:15,776 INFO L448 ceAbstractionStarter]: For program point L744-1(lines 744 750) no Hoare annotation was computed. [2018-12-02 02:11:15,776 INFO L448 ceAbstractionStarter]: For program point L736(lines 736 740) no Hoare annotation was computed. [2018-12-02 02:11:15,776 INFO L444 ceAbstractionStarter]: At program point L780(lines 733 781) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-12-02 02:11:15,776 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 724 787) no Hoare annotation was computed. [2018-12-02 02:11:15,776 INFO L448 ceAbstractionStarter]: For program point L770(lines 770 774) no Hoare annotation was computed. [2018-12-02 02:11:15,776 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 615 622) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0)) [2018-12-02 02:11:15,776 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 615 622) no Hoare annotation was computed. [2018-12-02 02:11:15,777 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 615 622) no Hoare annotation was computed. [2018-12-02 02:11:15,777 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 928 956) the Hoare annotation is: true [2018-12-02 02:11:15,777 INFO L444 ceAbstractionStarter]: At program point L943(line 943) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-12-02 02:11:15,777 INFO L448 ceAbstractionStarter]: For program point L941(lines 941 947) no Hoare annotation was computed. [2018-12-02 02:11:15,777 INFO L448 ceAbstractionStarter]: For program point L940(lines 940 950) no Hoare annotation was computed. [2018-12-02 02:11:15,777 INFO L444 ceAbstractionStarter]: At program point L938(line 938) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-12-02 02:11:15,777 INFO L448 ceAbstractionStarter]: For program point L938-1(line 938) no Hoare annotation was computed. [2018-12-02 02:11:15,777 INFO L448 ceAbstractionStarter]: For program point L936(lines 936 953) no Hoare annotation was computed. [2018-12-02 02:11:15,777 INFO L448 ceAbstractionStarter]: For program point L936-1(lines 928 956) no Hoare annotation was computed. [2018-12-02 02:11:15,777 INFO L451 ceAbstractionStarter]: At program point L934(line 934) the Hoare annotation is: true [2018-12-02 02:11:15,777 INFO L448 ceAbstractionStarter]: For program point L934-1(line 934) no Hoare annotation was computed. [2018-12-02 02:11:15,777 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 928 956) no Hoare annotation was computed. [2018-12-02 02:11:15,777 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 920 927) the Hoare annotation is: true [2018-12-02 02:11:15,777 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 920 927) no Hoare annotation was computed. [2018-12-02 02:11:15,777 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 920 927) no Hoare annotation was computed. [2018-12-02 02:11:15,777 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 02:11:15,777 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-12-02 02:11:15,777 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 02:11:15,777 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 623 639) no Hoare annotation was computed. [2018-12-02 02:11:15,778 INFO L444 ceAbstractionStarter]: At program point L634(line 634) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (and (= activatePump_~tmp~6 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse2 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-12-02 02:11:15,778 INFO L448 ceAbstractionStarter]: For program point L634-1(lines 623 639) no Hoare annotation was computed. [2018-12-02 02:11:15,778 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 623 639) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2018-12-02 02:11:15,778 INFO L448 ceAbstractionStarter]: For program point L630(lines 630 636) no Hoare annotation was computed. [2018-12-02 02:11:15,778 INFO L444 ceAbstractionStarter]: At program point L628(line 628) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2018-12-02 02:11:15,778 INFO L448 ceAbstractionStarter]: For program point L628-1(line 628) no Hoare annotation was computed. [2018-12-02 02:11:15,778 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 704 722) no Hoare annotation was computed. [2018-12-02 02:11:15,778 INFO L448 ceAbstractionStarter]: For program point L713(lines 713 717) no Hoare annotation was computed. [2018-12-02 02:11:15,778 INFO L451 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2018-12-02 02:11:15,778 INFO L448 ceAbstractionStarter]: For program point L713-2(lines 713 717) no Hoare annotation was computed. [2018-12-02 02:11:15,778 INFO L448 ceAbstractionStarter]: For program point L711-1(line 711) no Hoare annotation was computed. [2018-12-02 02:11:15,778 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 704 722) the Hoare annotation is: true [2018-12-02 02:11:15,778 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 704 722) no Hoare annotation was computed. [2018-12-02 02:11:15,778 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 816 827) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~methaneLevelCritical~0 1) (not (= |old(~methaneLevelCritical~0)| 1)) (not (= 0 ~pumpRunning~0)) .cse0) (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))))) [2018-12-02 02:11:15,778 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 816 827) no Hoare annotation was computed. [2018-12-02 02:11:15,778 INFO L448 ceAbstractionStarter]: For program point L820-1(lines 816 827) no Hoare annotation was computed. [2018-12-02 02:11:15,778 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 828 836) the Hoare annotation is: true [2018-12-02 02:11:15,778 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 828 836) no Hoare annotation was computed. [2018-12-02 02:11:15,778 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 828 836) no Hoare annotation was computed. [2018-12-02 02:11:15,778 INFO L444 ceAbstractionStarter]: At program point L545(line 545) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| 1))) (let ((.cse6 (not (= ~waterLevel~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (not .cse5)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse6 .cse3) (or .cse5 .cse1 .cse3 .cse7 .cse6) (or .cse1 .cse2 .cse3 .cse4 .cse7) (or .cse3 .cse8 .cse7) (or .cse0 .cse8 .cse3)))) [2018-12-02 02:11:15,779 INFO L444 ceAbstractionStarter]: At program point L543(lines 543 549) the Hoare annotation is: (let ((.cse5 (= |old(~waterLevel~0)| 1))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 1 ~waterLevel~0)) (.cse4 (not .cse5)) (.cse6 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~systemActive~0 1))) (.cse7 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse6 .cse3) (or .cse5 .cse6 .cse3 .cse1 .cse7) (or .cse0 (= 0 ~pumpRunning~0) .cse3) (or .cse1 .cse2 .cse3 .cse4 .cse7) (or .cse6 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse3 .cse7)))) [2018-12-02 02:11:15,779 INFO L444 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: (let ((.cse1 (and (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-12-02 02:11:15,779 INFO L448 ceAbstractionStarter]: For program point L536(lines 535 554) no Hoare annotation was computed. [2018-12-02 02:11:15,779 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 532 555) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 1))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse7 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (= 1 ~waterLevel~0)) (.cse6 (not .cse1)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~waterLevel~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5 .cse2 .cse6) (or .cse7 .cse2 .cse8) (or .cse0 .cse2 .cse7) (or .cse4 .cse5 .cse2 .cse6 .cse8) (or .cse1 .cse2 .cse3 .cse8)))) [2018-12-02 02:11:15,779 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 532 555) no Hoare annotation was computed. [2018-12-02 02:11:15,779 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 532 555) no Hoare annotation was computed. [2018-12-02 02:11:15,779 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 417 446) no Hoare annotation was computed. [2018-12-02 02:11:15,779 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 417 446) the Hoare annotation is: true [2018-12-02 02:11:15,779 INFO L451 ceAbstractionStarter]: At program point L442(lines 417 446) the Hoare annotation is: true [2018-12-02 02:11:15,779 INFO L448 ceAbstractionStarter]: For program point L438(line 438) no Hoare annotation was computed. [2018-12-02 02:11:15,779 INFO L448 ceAbstractionStarter]: For program point L431(lines 431 435) no Hoare annotation was computed. [2018-12-02 02:11:15,779 INFO L451 ceAbstractionStarter]: At program point L431-1(lines 431 435) the Hoare annotation is: true [2018-12-02 02:11:15,779 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-02 02:11:15,779 INFO L451 ceAbstractionStarter]: At program point L427-2(lines 427 441) the Hoare annotation is: true [2018-12-02 02:11:15,779 INFO L451 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2018-12-02 02:11:15,779 INFO L448 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2018-12-02 02:11:15,779 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 792 803) the Hoare annotation is: true [2018-12-02 02:11:15,779 INFO L448 ceAbstractionStarter]: For program point L796-1(lines 792 803) no Hoare annotation was computed. [2018-12-02 02:11:15,779 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 792 803) no Hoare annotation was computed. [2018-12-02 02:11:15,779 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 474 480) no Hoare annotation was computed. [2018-12-02 02:11:15,779 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 474 480) the Hoare annotation is: true [2018-12-02 02:11:15,780 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 02:11:15,780 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-12-02 02:11:15,780 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 02:11:15,780 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 02:11:15,780 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 804 815) no Hoare annotation was computed. [2018-12-02 02:11:15,780 INFO L448 ceAbstractionStarter]: For program point L808-1(lines 804 815) no Hoare annotation was computed. [2018-12-02 02:11:15,780 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 804 815) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= 1 ~waterLevel~0)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3))) [2018-12-02 02:11:15,780 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2018-12-02 02:11:15,780 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2018-12-02 02:11:15,780 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2018-12-02 02:11:15,780 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2018-12-02 02:11:15,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:11:15 BoogieIcfgContainer [2018-12-02 02:11:15,789 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 02:11:15,790 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 02:11:15,790 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 02:11:15,790 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 02:11:15,790 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:11:10" (3/4) ... [2018-12-02 02:11:15,792 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 02:11:15,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 02:11:15,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 02:11:15,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 02:11:15,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-02 02:11:15,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 02:11:15,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 02:11:15,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 02:11:15,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 02:11:15,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 02:11:15,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-02 02:11:15,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 02:11:15,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 02:11:15,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 02:11:15,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__highWaterSensor [2018-12-02 02:11:15,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-12-02 02:11:15,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-12-02 02:11:15,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 02:11:15,798 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-02 02:11:15,798 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-02 02:11:15,798 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 02:11:15,798 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 02:11:15,798 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 02:11:15,798 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 02:11:15,798 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 02:11:15,798 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 02:11:15,798 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 02:11:15,798 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 02:11:15,804 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-12-02 02:11:15,804 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 02:11:15,805 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 02:11:15,805 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 02:11:15,805 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 02:11:15,806 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 02:11:15,825 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (0 == methaneLevelCritical && splverifierCounter == 0) [2018-12-02 02:11:15,825 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-12-02 02:11:15,856 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_018dee5f-702e-46af-90e7-1a08db041398/bin-2019/uautomizer/witness.graphml [2018-12-02 02:11:15,856 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 02:11:15,857 INFO L168 Benchmark]: Toolchain (without parser) took 6406.25 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 403.7 MB). Free memory was 951.7 MB in the beginning and 1.3 GB in the end (delta: -370.0 MB). Peak memory consumption was 33.7 MB. Max. memory is 11.5 GB. [2018-12-02 02:11:15,857 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:11:15,857 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -185.6 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-02 02:11:15,857 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.83 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. [2018-12-02 02:11:15,857 INFO L168 Benchmark]: Boogie Preprocessor took 22.54 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. [2018-12-02 02:11:15,858 INFO L168 Benchmark]: RCFGBuilder took 353.75 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: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. [2018-12-02 02:11:15,858 INFO L168 Benchmark]: TraceAbstraction took 5670.34 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 244.8 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -248.7 MB). Peak memory consumption was 417.8 MB. Max. memory is 11.5 GB. [2018-12-02 02:11:15,858 INFO L168 Benchmark]: Witness Printer took 66.64 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. [2018-12-02 02:11:15,859 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 269.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -185.6 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.83 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 22.54 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 353.75 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: 52.0 MB). Peak memory consumption was 52.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5670.34 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 244.8 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -248.7 MB). Peak memory consumption was 417.8 MB. Max. memory is 11.5 GB. * Witness Printer took 66.64 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: 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: 734]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || (0 == methaneLevelCritical && splverifierCounter == 0) - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 28 procedures, 148 locations, 1 error locations. SAFE Result, 5.6s OverallTime, 11 OverallIterations, 4 TraceHistogramMax, 2.4s AutomataDifference, 0.0s DeadEndRemovalTime, 1.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 1916 SDtfs, 1285 SDslu, 7175 SDs, 0 SdLazy, 3187 SolverSat, 303 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 408 GetRequests, 299 SyntacticMatches, 3 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=758occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 11 MinimizatonAttempts, 79 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1644 PreInvPairs, 1728 NumberOfFragments, 1442 HoareAnnotationTreeSize, 1644 FomulaSimplifications, 2105 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 62 FomulaSimplificationsInter, 6397 FormulaSimplificationTreeSizeReductionInter, 1.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1237 NumberOfCodeBlocks, 1237 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1224 ConstructedInterpolants, 0 QuantifiedInterpolants, 203761 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1668 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 107/111 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...