./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product63_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_e364d648-6840-427e-88d5-665784dc3082/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e364d648-6840-427e-88d5-665784dc3082/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e364d648-6840-427e-88d5-665784dc3082/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e364d648-6840-427e-88d5-665784dc3082/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product63_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e364d648-6840-427e-88d5-665784dc3082/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e364d648-6840-427e-88d5-665784dc3082/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 7c9d11b324245890faf2aa5cc0763c01a125dd6d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 09:14:34,942 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 09:14:34,943 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 09:14:34,949 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 09:14:34,949 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 09:14:34,949 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 09:14:34,950 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 09:14:34,951 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 09:14:34,952 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 09:14:34,952 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 09:14:34,953 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 09:14:34,953 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 09:14:34,953 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 09:14:34,954 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 09:14:34,954 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 09:14:34,954 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 09:14:34,955 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 09:14:34,956 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 09:14:34,957 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 09:14:34,957 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 09:14:34,958 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 09:14:34,959 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 09:14:34,960 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 09:14:34,960 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 09:14:34,960 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 09:14:34,961 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 09:14:34,961 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 09:14:34,961 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 09:14:34,962 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 09:14:34,962 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 09:14:34,962 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 09:14:34,963 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 09:14:34,963 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 09:14:34,963 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 09:14:34,964 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 09:14:34,964 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 09:14:34,964 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e364d648-6840-427e-88d5-665784dc3082/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-08 09:14:34,971 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 09:14:34,972 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 09:14:34,972 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 09:14:34,972 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 09:14:34,972 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 09:14:34,973 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 09:14:34,973 INFO L133 SettingsManager]: * Use SBE=true [2018-12-08 09:14:34,973 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 09:14:34,973 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 09:14:34,973 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 09:14:34,973 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 09:14:34,973 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 09:14:34,973 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 09:14:34,973 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 09:14:34,973 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 09:14:34,973 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 09:14:34,974 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 09:14:34,974 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 09:14:34,974 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 09:14:34,974 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 09:14:34,974 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 09:14:34,974 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 09:14:34,974 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 09:14:34,974 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 09:14:34,974 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 09:14:34,974 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 09:14:34,974 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 09:14:34,975 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-08 09:14:34,975 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 09:14:34,975 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 09:14:34,975 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_e364d648-6840-427e-88d5-665784dc3082/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 -> 7c9d11b324245890faf2aa5cc0763c01a125dd6d [2018-12-08 09:14:34,993 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 09:14:35,002 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 09:14:35,004 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 09:14:35,005 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 09:14:35,006 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 09:14:35,006 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e364d648-6840-427e-88d5-665784dc3082/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec5_product63_true-unreach-call_false-termination.cil.c [2018-12-08 09:14:35,051 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e364d648-6840-427e-88d5-665784dc3082/bin-2019/uautomizer/data/7714aa73e/e4e44d3b322142c08fcfe78c42d38d2a/FLAG1133b1915 [2018-12-08 09:14:35,497 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 09:14:35,498 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e364d648-6840-427e-88d5-665784dc3082/sv-benchmarks/c/product-lines/minepump_spec5_product63_true-unreach-call_false-termination.cil.c [2018-12-08 09:14:35,504 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e364d648-6840-427e-88d5-665784dc3082/bin-2019/uautomizer/data/7714aa73e/e4e44d3b322142c08fcfe78c42d38d2a/FLAG1133b1915 [2018-12-08 09:14:35,512 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e364d648-6840-427e-88d5-665784dc3082/bin-2019/uautomizer/data/7714aa73e/e4e44d3b322142c08fcfe78c42d38d2a [2018-12-08 09:14:35,514 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 09:14:35,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 09:14:35,515 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 09:14:35,515 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 09:14:35,517 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 09:14:35,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 09:14:35" (1/1) ... [2018-12-08 09:14:35,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d622ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:14:35, skipping insertion in model container [2018-12-08 09:14:35,519 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 09:14:35" (1/1) ... [2018-12-08 09:14:35,524 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 09:14:35,552 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 09:14:35,718 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 09:14:35,762 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 09:14:35,804 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 09:14:35,819 INFO L195 MainTranslator]: Completed translation [2018-12-08 09:14:35,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:14:35 WrapperNode [2018-12-08 09:14:35,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 09:14:35,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 09:14:35,821 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 09:14:35,821 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 09:14:35,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:14:35" (1/1) ... [2018-12-08 09:14:35,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:14:35" (1/1) ... [2018-12-08 09:14:35,840 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 09:14:35,840 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 09:14:35,840 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 09:14:35,841 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 09:14:35,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:14:35" (1/1) ... [2018-12-08 09:14:35,847 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:14:35" (1/1) ... [2018-12-08 09:14:35,849 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:14:35" (1/1) ... [2018-12-08 09:14:35,849 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:14:35" (1/1) ... [2018-12-08 09:14:35,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:14:35" (1/1) ... [2018-12-08 09:14:35,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:14:35" (1/1) ... [2018-12-08 09:14:35,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:14:35" (1/1) ... [2018-12-08 09:14:35,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 09:14:35,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 09:14:35,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 09:14:35,864 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 09:14:35,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:14:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e364d648-6840-427e-88d5-665784dc3082/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 09:14:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-08 09:14:35,894 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-08 09:14:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 09:14:35,894 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 09:14:35,894 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-12-08 09:14:35,894 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-12-08 09:14:35,895 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-08 09:14:35,895 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-08 09:14:35,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-08 09:14:35,895 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-08 09:14:35,895 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-08 09:14:35,895 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-12-08 09:14:35,895 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-12-08 09:14:35,895 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-08 09:14:35,895 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-08 09:14:35,895 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-08 09:14:35,895 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-08 09:14:35,895 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-08 09:14:35,895 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-08 09:14:35,895 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-12-08 09:14:35,896 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-12-08 09:14:35,896 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-08 09:14:35,896 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-08 09:14:35,896 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-12-08 09:14:35,896 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-12-08 09:14:35,896 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-12-08 09:14:35,896 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-12-08 09:14:35,896 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-08 09:14:35,896 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-08 09:14:35,896 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-08 09:14:35,896 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-08 09:14:35,896 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-08 09:14:35,896 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-08 09:14:35,896 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-08 09:14:35,897 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-08 09:14:35,897 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-08 09:14:35,897 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-08 09:14:35,897 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 09:14:35,897 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 09:14:35,897 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-08 09:14:35,897 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-08 09:14:35,897 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-08 09:14:35,897 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-08 09:14:35,897 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-08 09:14:35,897 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-08 09:14:35,897 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-12-08 09:14:35,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-12-08 09:14:35,898 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-12-08 09:14:35,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-12-08 09:14:35,898 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-12-08 09:14:35,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-12-08 09:14:35,898 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 09:14:35,898 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-08 09:14:35,898 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-08 09:14:35,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-08 09:14:35,898 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-08 09:14:35,898 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-08 09:14:35,898 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-08 09:14:35,898 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-08 09:14:35,898 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-08 09:14:35,898 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-08 09:14:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-08 09:14:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 09:14:35,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 09:14:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-08 09:14:35,899 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-08 09:14:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-08 09:14:35,899 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-08 09:14:35,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 09:14:35,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 09:14:36,192 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 09:14:36,193 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-08 09:14:36,193 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:14:36 BoogieIcfgContainer [2018-12-08 09:14:36,193 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 09:14:36,194 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 09:14:36,194 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 09:14:36,196 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 09:14:36,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 09:14:35" (1/3) ... [2018-12-08 09:14:36,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5448ab99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 09:14:36, skipping insertion in model container [2018-12-08 09:14:36,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:14:35" (2/3) ... [2018-12-08 09:14:36,198 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5448ab99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 09:14:36, skipping insertion in model container [2018-12-08 09:14:36,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:14:36" (3/3) ... [2018-12-08 09:14:36,199 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product63_true-unreach-call_false-termination.cil.c [2018-12-08 09:14:36,207 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 09:14:36,214 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 09:14:36,227 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 09:14:36,247 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-08 09:14:36,248 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 09:14:36,248 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 09:14:36,248 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 09:14:36,248 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 09:14:36,248 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 09:14:36,248 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 09:14:36,248 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 09:14:36,248 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 09:14:36,261 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states. [2018-12-08 09:14:36,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-08 09:14:36,267 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:14:36,267 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] [2018-12-08 09:14:36,269 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:14:36,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:14:36,272 INFO L82 PathProgramCache]: Analyzing trace with hash 2083690591, now seen corresponding path program 1 times [2018-12-08 09:14:36,274 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:14:36,274 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:14:36,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:14:36,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:14:36,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:14:36,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:14:36,411 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 09:14:36,412 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:14:36,413 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-08 09:14:36,415 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-08 09:14:36,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-08 09:14:36,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 09:14:36,424 INFO L87 Difference]: Start difference. First operand 182 states. Second operand 2 states. [2018-12-08 09:14:36,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:14:36,449 INFO L93 Difference]: Finished difference Result 334 states and 415 transitions. [2018-12-08 09:14:36,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-08 09:14:36,449 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-12-08 09:14:36,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:14:36,456 INFO L225 Difference]: With dead ends: 334 [2018-12-08 09:14:36,457 INFO L226 Difference]: Without dead ends: 169 [2018-12-08 09:14:36,459 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-08 09:14:36,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-12-08 09:14:36,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2018-12-08 09:14:36,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-12-08 09:14:36,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 201 transitions. [2018-12-08 09:14:36,492 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 201 transitions. Word has length 59 [2018-12-08 09:14:36,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:14:36,492 INFO L480 AbstractCegarLoop]: Abstraction has 169 states and 201 transitions. [2018-12-08 09:14:36,492 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-08 09:14:36,492 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 201 transitions. [2018-12-08 09:14:36,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-12-08 09:14:36,494 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:14:36,494 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] [2018-12-08 09:14:36,494 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:14:36,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:14:36,495 INFO L82 PathProgramCache]: Analyzing trace with hash -680279875, now seen corresponding path program 1 times [2018-12-08 09:14:36,495 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:14:36,495 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:14:36,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:14:36,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:14:36,496 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:14:36,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:14:36,588 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 09:14:36,589 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:14:36,589 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-08 09:14:36,590 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-08 09:14:36,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-08 09:14:36,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-08 09:14:36,590 INFO L87 Difference]: Start difference. First operand 169 states and 201 transitions. Second operand 7 states. [2018-12-08 09:14:36,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:14:36,898 INFO L93 Difference]: Finished difference Result 516 states and 639 transitions. [2018-12-08 09:14:36,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 09:14:36,898 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2018-12-08 09:14:36,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:14:36,901 INFO L225 Difference]: With dead ends: 516 [2018-12-08 09:14:36,901 INFO L226 Difference]: Without dead ends: 375 [2018-12-08 09:14:36,902 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 09:14:36,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2018-12-08 09:14:36,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 367. [2018-12-08 09:14:36,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-12-08 09:14:36,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 452 transitions. [2018-12-08 09:14:36,928 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 452 transitions. Word has length 64 [2018-12-08 09:14:36,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:14:36,929 INFO L480 AbstractCegarLoop]: Abstraction has 367 states and 452 transitions. [2018-12-08 09:14:36,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-08 09:14:36,929 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 452 transitions. [2018-12-08 09:14:36,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-08 09:14:36,931 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:14:36,931 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] [2018-12-08 09:14:36,931 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:14:36,931 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:14:36,931 INFO L82 PathProgramCache]: Analyzing trace with hash 1318653095, now seen corresponding path program 1 times [2018-12-08 09:14:36,931 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:14:36,931 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:14:36,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:14:36,932 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:14:36,932 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:14:36,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:14:36,985 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 09:14:36,985 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:14:36,985 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 09:14:36,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 09:14:36,986 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 09:14:36,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 09:14:36,986 INFO L87 Difference]: Start difference. First operand 367 states and 452 transitions. Second operand 6 states. [2018-12-08 09:14:37,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:14:37,140 INFO L93 Difference]: Finished difference Result 865 states and 1122 transitions. [2018-12-08 09:14:37,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 09:14:37,141 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2018-12-08 09:14:37,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:14:37,144 INFO L225 Difference]: With dead ends: 865 [2018-12-08 09:14:37,144 INFO L226 Difference]: Without dead ends: 526 [2018-12-08 09:14:37,147 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-08 09:14:37,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2018-12-08 09:14:37,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 512. [2018-12-08 09:14:37,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2018-12-08 09:14:37,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 633 transitions. [2018-12-08 09:14:37,181 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 633 transitions. Word has length 70 [2018-12-08 09:14:37,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:14:37,182 INFO L480 AbstractCegarLoop]: Abstraction has 512 states and 633 transitions. [2018-12-08 09:14:37,182 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 09:14:37,182 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 633 transitions. [2018-12-08 09:14:37,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-08 09:14:37,185 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:14:37,185 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:14:37,185 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:14:37,186 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:14:37,186 INFO L82 PathProgramCache]: Analyzing trace with hash 551157418, now seen corresponding path program 1 times [2018-12-08 09:14:37,186 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:14:37,186 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:14:37,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:14:37,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:14:37,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:14:37,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:14:37,274 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 09:14:37,274 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:14:37,275 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 09:14:37,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 09:14:37,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 09:14:37,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-12-08 09:14:37,276 INFO L87 Difference]: Start difference. First operand 512 states and 633 transitions. Second operand 6 states. [2018-12-08 09:14:37,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:14:37,313 INFO L93 Difference]: Finished difference Result 1010 states and 1310 transitions. [2018-12-08 09:14:37,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 09:14:37,314 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 112 [2018-12-08 09:14:37,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:14:37,316 INFO L225 Difference]: With dead ends: 1010 [2018-12-08 09:14:37,316 INFO L226 Difference]: Without dead ends: 526 [2018-12-08 09:14:37,318 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 [2018-12-08 09:14:37,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2018-12-08 09:14:37,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 522. [2018-12-08 09:14:37,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 522 states. [2018-12-08 09:14:37,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 643 transitions. [2018-12-08 09:14:37,341 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 643 transitions. Word has length 112 [2018-12-08 09:14:37,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:14:37,341 INFO L480 AbstractCegarLoop]: Abstraction has 522 states and 643 transitions. [2018-12-08 09:14:37,341 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 09:14:37,341 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 643 transitions. [2018-12-08 09:14:37,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 09:14:37,344 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:14:37,344 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:14:37,344 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:14:37,344 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:14:37,344 INFO L82 PathProgramCache]: Analyzing trace with hash 1465972394, now seen corresponding path program 1 times [2018-12-08 09:14:37,344 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:14:37,344 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:14:37,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:14:37,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:14:37,345 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:14:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:14:37,390 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 09:14:37,390 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:14:37,390 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 09:14:37,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 09:14:37,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 09:14:37,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 09:14:37,391 INFO L87 Difference]: Start difference. First operand 522 states and 643 transitions. Second operand 3 states. [2018-12-08 09:14:37,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:14:37,426 INFO L93 Difference]: Finished difference Result 870 states and 1038 transitions. [2018-12-08 09:14:37,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 09:14:37,426 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2018-12-08 09:14:37,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:14:37,428 INFO L225 Difference]: With dead ends: 870 [2018-12-08 09:14:37,429 INFO L226 Difference]: Without dead ends: 477 [2018-12-08 09:14:37,430 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 09:14:37,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2018-12-08 09:14:37,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 477. [2018-12-08 09:14:37,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 477 states. [2018-12-08 09:14:37,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 477 states and 571 transitions. [2018-12-08 09:14:37,451 INFO L78 Accepts]: Start accepts. Automaton has 477 states and 571 transitions. Word has length 108 [2018-12-08 09:14:37,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:14:37,452 INFO L480 AbstractCegarLoop]: Abstraction has 477 states and 571 transitions. [2018-12-08 09:14:37,452 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 09:14:37,452 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states and 571 transitions. [2018-12-08 09:14:37,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-08 09:14:37,454 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:14:37,454 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:14:37,454 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:14:37,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:14:37,454 INFO L82 PathProgramCache]: Analyzing trace with hash -1804647832, now seen corresponding path program 1 times [2018-12-08 09:14:37,454 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:14:37,455 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:14:37,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:14:37,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:14:37,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:14:37,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:14:37,541 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 09:14:37,541 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:14:37,541 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-08 09:14:37,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-08 09:14:37,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-08 09:14:37,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 09:14:37,542 INFO L87 Difference]: Start difference. First operand 477 states and 571 transitions. Second operand 8 states. [2018-12-08 09:14:37,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:14:37,574 INFO L93 Difference]: Finished difference Result 940 states and 1166 transitions. [2018-12-08 09:14:37,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-08 09:14:37,574 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 112 [2018-12-08 09:14:37,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:14:37,577 INFO L225 Difference]: With dead ends: 940 [2018-12-08 09:14:37,577 INFO L226 Difference]: Without dead ends: 491 [2018-12-08 09:14:37,578 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-08 09:14:37,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 491 states. [2018-12-08 09:14:37,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 491 to 485. [2018-12-08 09:14:37,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 485 states. [2018-12-08 09:14:37,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 485 states and 579 transitions. [2018-12-08 09:14:37,598 INFO L78 Accepts]: Start accepts. Automaton has 485 states and 579 transitions. Word has length 112 [2018-12-08 09:14:37,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:14:37,598 INFO L480 AbstractCegarLoop]: Abstraction has 485 states and 579 transitions. [2018-12-08 09:14:37,598 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-08 09:14:37,598 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 579 transitions. [2018-12-08 09:14:37,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-08 09:14:37,599 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:14:37,599 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:14:37,600 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:14:37,600 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:14:37,600 INFO L82 PathProgramCache]: Analyzing trace with hash -1035477817, now seen corresponding path program 1 times [2018-12-08 09:14:37,600 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:14:37,600 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:14:37,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:14:37,601 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:14:37,601 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:14:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:14:37,659 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 09:14:37,659 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:14:37,659 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 09:14:37,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 09:14:37,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 09:14:37,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-08 09:14:37,660 INFO L87 Difference]: Start difference. First operand 485 states and 579 transitions. Second operand 4 states. [2018-12-08 09:14:37,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:14:37,811 INFO L93 Difference]: Finished difference Result 1531 states and 1914 transitions. [2018-12-08 09:14:37,812 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 09:14:37,812 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 112 [2018-12-08 09:14:37,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:14:37,815 INFO L225 Difference]: With dead ends: 1531 [2018-12-08 09:14:37,815 INFO L226 Difference]: Without dead ends: 1074 [2018-12-08 09:14:37,816 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 [2018-12-08 09:14:37,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1074 states. [2018-12-08 09:14:37,845 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1074 to 1057. [2018-12-08 09:14:37,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1057 states. [2018-12-08 09:14:37,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 1057 states and 1294 transitions. [2018-12-08 09:14:37,848 INFO L78 Accepts]: Start accepts. Automaton has 1057 states and 1294 transitions. Word has length 112 [2018-12-08 09:14:37,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:14:37,848 INFO L480 AbstractCegarLoop]: Abstraction has 1057 states and 1294 transitions. [2018-12-08 09:14:37,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 09:14:37,848 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1294 transitions. [2018-12-08 09:14:37,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-08 09:14:37,850 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:14:37,850 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:14:37,850 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:14:37,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:14:37,850 INFO L82 PathProgramCache]: Analyzing trace with hash -1829160319, now seen corresponding path program 1 times [2018-12-08 09:14:37,851 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:14:37,851 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:14:37,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:14:37,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:14:37,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:14:37,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:14:37,927 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 09:14:37,927 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 09:14:37,927 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-12-08 09:14:37,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 09:14:37,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 09:14:37,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-12-08 09:14:37,928 INFO L87 Difference]: Start difference. First operand 1057 states and 1294 transitions. Second operand 9 states. [2018-12-08 09:14:38,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:14:38,685 INFO L93 Difference]: Finished difference Result 2909 states and 3704 transitions. [2018-12-08 09:14:38,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 09:14:38,686 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 116 [2018-12-08 09:14:38,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:14:38,696 INFO L225 Difference]: With dead ends: 2909 [2018-12-08 09:14:38,696 INFO L226 Difference]: Without dead ends: 2072 [2018-12-08 09:14:38,700 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-12-08 09:14:38,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2072 states. [2018-12-08 09:14:38,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2072 to 1856. [2018-12-08 09:14:38,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1856 states. [2018-12-08 09:14:38,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1856 states to 1856 states and 2236 transitions. [2018-12-08 09:14:38,818 INFO L78 Accepts]: Start accepts. Automaton has 1856 states and 2236 transitions. Word has length 116 [2018-12-08 09:14:38,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:14:38,819 INFO L480 AbstractCegarLoop]: Abstraction has 1856 states and 2236 transitions. [2018-12-08 09:14:38,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 09:14:38,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1856 states and 2236 transitions. [2018-12-08 09:14:38,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-08 09:14:38,823 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:14:38,823 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:14:38,823 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:14:38,823 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:14:38,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1423248572, now seen corresponding path program 1 times [2018-12-08 09:14:38,823 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:14:38,824 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:14:38,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:14:38,824 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:14:38,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:14:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:14:38,938 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 22 proven. 9 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 09:14:38,938 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 09:14:38,938 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e364d648-6840-427e-88d5-665784dc3082/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 09:14:38,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:14:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:14:39,044 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 09:14:39,153 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 37 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 09:14:39,180 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 09:14:39,180 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 7] total 16 [2018-12-08 09:14:39,180 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-08 09:14:39,180 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-08 09:14:39,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=199, Unknown=0, NotChecked=0, Total=240 [2018-12-08 09:14:39,181 INFO L87 Difference]: Start difference. First operand 1856 states and 2236 transitions. Second operand 16 states. [2018-12-08 09:14:39,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:14:39,931 INFO L93 Difference]: Finished difference Result 4206 states and 5287 transitions. [2018-12-08 09:14:39,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-08 09:14:39,932 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 193 [2018-12-08 09:14:39,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:14:39,942 INFO L225 Difference]: With dead ends: 4206 [2018-12-08 09:14:39,942 INFO L226 Difference]: Without dead ends: 2564 [2018-12-08 09:14:39,947 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 193 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=169, Invalid=887, Unknown=0, NotChecked=0, Total=1056 [2018-12-08 09:14:39,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2564 states. [2018-12-08 09:14:40,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2564 to 2352. [2018-12-08 09:14:40,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2352 states. [2018-12-08 09:14:40,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2352 states to 2352 states and 2796 transitions. [2018-12-08 09:14:40,049 INFO L78 Accepts]: Start accepts. Automaton has 2352 states and 2796 transitions. Word has length 193 [2018-12-08 09:14:40,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:14:40,050 INFO L480 AbstractCegarLoop]: Abstraction has 2352 states and 2796 transitions. [2018-12-08 09:14:40,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-08 09:14:40,050 INFO L276 IsEmpty]: Start isEmpty. Operand 2352 states and 2796 transitions. [2018-12-08 09:14:40,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-08 09:14:40,056 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:14:40,056 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-08 09:14:40,056 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:14:40,056 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:14:40,056 INFO L82 PathProgramCache]: Analyzing trace with hash 869174864, now seen corresponding path program 1 times [2018-12-08 09:14:40,056 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:14:40,057 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:14:40,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:14:40,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:14:40,057 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:14:40,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:14:40,214 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 94 proven. 9 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2018-12-08 09:14:40,214 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 09:14:40,214 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e364d648-6840-427e-88d5-665784dc3082/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 09:14:40,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:14:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:14:40,339 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 09:14:40,482 INFO L134 CoverageAnalysis]: Checked inductivity of 322 backedges. 235 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-08 09:14:40,507 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-08 09:14:40,507 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 12] total 18 [2018-12-08 09:14:40,508 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-08 09:14:40,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-08 09:14:40,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2018-12-08 09:14:40,508 INFO L87 Difference]: Start difference. First operand 2352 states and 2796 transitions. Second operand 18 states. [2018-12-08 09:14:42,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:14:42,393 INFO L93 Difference]: Finished difference Result 6361 states and 7976 transitions. [2018-12-08 09:14:42,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-12-08 09:14:42,393 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 327 [2018-12-08 09:14:42,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:14:42,402 INFO L225 Difference]: With dead ends: 6361 [2018-12-08 09:14:42,402 INFO L226 Difference]: Without dead ends: 3406 [2018-12-08 09:14:42,408 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 333 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 383 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=372, Invalid=1520, Unknown=0, NotChecked=0, Total=1892 [2018-12-08 09:14:42,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3406 states. [2018-12-08 09:14:42,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3406 to 3216. [2018-12-08 09:14:42,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3216 states. [2018-12-08 09:14:42,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3216 states to 3216 states and 3776 transitions. [2018-12-08 09:14:42,507 INFO L78 Accepts]: Start accepts. Automaton has 3216 states and 3776 transitions. Word has length 327 [2018-12-08 09:14:42,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:14:42,507 INFO L480 AbstractCegarLoop]: Abstraction has 3216 states and 3776 transitions. [2018-12-08 09:14:42,507 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-08 09:14:42,508 INFO L276 IsEmpty]: Start isEmpty. Operand 3216 states and 3776 transitions. [2018-12-08 09:14:42,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 460 [2018-12-08 09:14:42,514 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 09:14:42,514 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 09:14:42,515 INFO L423 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 09:14:42,515 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 09:14:42,515 INFO L82 PathProgramCache]: Analyzing trace with hash -770427658, now seen corresponding path program 1 times [2018-12-08 09:14:42,515 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-08 09:14:42,515 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-08 09:14:42,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:14:42,516 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:14:42,516 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 09:14:42,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:14:42,659 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 136 proven. 19 refuted. 0 times theorem prover too weak. 666 trivial. 0 not checked. [2018-12-08 09:14:42,659 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 09:14:42,659 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e364d648-6840-427e-88d5-665784dc3082/bin-2019/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 09:14:42,667 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 09:14:42,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 09:14:42,789 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 09:14:42,859 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 556 proven. 0 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2018-12-08 09:14:42,874 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 09:14:42,875 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2018-12-08 09:14:42,875 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 09:14:42,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 09:14:42,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-12-08 09:14:42,875 INFO L87 Difference]: Start difference. First operand 3216 states and 3776 transitions. Second operand 10 states. [2018-12-08 09:14:42,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 09:14:42,943 INFO L93 Difference]: Finished difference Result 3696 states and 4323 transitions. [2018-12-08 09:14:42,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-08 09:14:42,944 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 459 [2018-12-08 09:14:42,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 09:14:42,944 INFO L225 Difference]: With dead ends: 3696 [2018-12-08 09:14:42,945 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 09:14:42,948 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 470 GetRequests, 461 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2018-12-08 09:14:42,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 09:14:42,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 09:14:42,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 09:14:42,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 09:14:42,949 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 459 [2018-12-08 09:14:42,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 09:14:42,949 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 09:14:42,949 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 09:14:42,949 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 09:14:42,949 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 09:14:42,952 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 09:14:42,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:14:42,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:14:42,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:14:42,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:14:42,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:14:42,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:14:43,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:14:43,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:14:43,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:14:43,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:14:43,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:14:43,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:14:43,141 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:14:43,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:14:43,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:14:43,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:14:43,178 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:14:43,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:14:43,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:14:43,216 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:14:43,229 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:14:43,250 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:14:43,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:14:43,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:14:43,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:14:43,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:14:43,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:14:43,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:14:43,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:14:43,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:14:43,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:14:43,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 09:14:44,419 WARN L180 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 49 [2018-12-08 09:14:44,717 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 33 [2018-12-08 09:14:44,948 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 26 [2018-12-08 09:14:45,095 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 26 [2018-12-08 09:14:45,210 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 24 [2018-12-08 09:14:45,420 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 40 [2018-12-08 09:14:46,443 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 34 [2018-12-08 09:14:46,560 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 26 [2018-12-08 09:14:46,900 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 37 [2018-12-08 09:14:47,186 WARN L180 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 38 [2018-12-08 09:14:47,189 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 113 119) the Hoare annotation is: true [2018-12-08 09:14:47,189 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 113 119) no Hoare annotation was computed. [2018-12-08 09:14:47,190 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 120 128) no Hoare annotation was computed. [2018-12-08 09:14:47,190 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 120 128) the Hoare annotation is: true [2018-12-08 09:14:47,190 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 120 128) no Hoare annotation was computed. [2018-12-08 09:14:47,190 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= ~systemActive~0 1)) (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0)) (not (= ~waterLevel~0 1))) [2018-12-08 09:14:47,190 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2018-12-08 09:14:47,190 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2018-12-08 09:14:47,190 INFO L444 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse6 (not (= ~systemActive~0 1))) (.cse3 (not (= |old(~switchedOnBeforeTS~0)| ~pumpRunning~0))) (.cse5 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 0))) (.cse7 (<= 1 ~switchedOnBeforeTS~0)) (.cse4 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse6 .cse4 .cse7) (or .cse1 .cse0 .cse6 .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse7 .cse4))) [2018-12-08 09:14:47,190 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2018-12-08 09:14:47,190 INFO L448 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-12-08 09:14:47,191 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2018-12-08 09:14:47,191 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2018-12-08 09:14:47,191 INFO L444 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (let ((.cse4 (not (= ~waterLevel~0 1))) (.cse0 (not (= ~systemActive~0 1))) (.cse5 (not (= ~systemActive~0 0))) (.cse3 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or .cse2 .cse0 .cse3 .cse4) (or .cse2 .cse5 .cse3 .cse4) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse4) (or .cse2 .cse0 .cse3 .cse1) (or .cse5 (or .cse3 (or .cse2 .cse1))))) [2018-12-08 09:14:47,191 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2018-12-08 09:14:47,191 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-12-08 09:14:47,191 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 84) no Hoare annotation was computed. [2018-12-08 09:14:47,191 INFO L444 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~waterLevel~0 2))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse6 (not (= ~systemActive~0 0))) (.cse5 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse3 (<= __utac_acc__Specification5_spec__3_~tmp~0 ~waterLevel~0)) (.cse4 (not (= ~waterLevel~0 1)))) (and (or (not (= 1 ~pumpRunning~0)) .cse0 .cse1) (or (< ~switchedOnBeforeTS~0 1) .cse2 .cse0 .cse3 .cse4) (or .cse2 .cse0 .cse5 .cse4 .cse3) (or .cse2 .cse0 .cse5 .cse1) (or .cse6 (or .cse5 (or .cse2 .cse1))) (or .cse2 .cse6 .cse5 .cse3 .cse4))) [2018-12-08 09:14:47,191 INFO L448 ceAbstractionStarter]: For program point L72-1(line 72) no Hoare annotation was computed. [2018-12-08 09:14:47,191 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 87) no Hoare annotation was computed. [2018-12-08 09:14:47,192 INFO L448 ceAbstractionStarter]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2018-12-08 09:14:47,192 INFO L451 ceAbstractionStarter]: At program point L68(line 68) the Hoare annotation is: true [2018-12-08 09:14:47,192 INFO L448 ceAbstractionStarter]: For program point L68-1(line 68) no Hoare annotation was computed. [2018-12-08 09:14:47,192 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 285 307) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 09:14:47,192 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 285 307) no Hoare annotation was computed. [2018-12-08 09:14:47,192 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 285 307) no Hoare annotation was computed. [2018-12-08 09:14:47,192 INFO L444 ceAbstractionStarter]: At program point L297(line 297) the Hoare annotation is: (or (and (= main_~tmp~2 ~systemActive~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 09:14:47,192 INFO L444 ceAbstractionStarter]: At program point L297-1(line 297) the Hoare annotation is: (or (and (= main_~tmp~2 ~systemActive~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 09:14:47,192 INFO L448 ceAbstractionStarter]: For program point L295(lines 295 302) no Hoare annotation was computed. [2018-12-08 09:14:47,192 INFO L448 ceAbstractionStarter]: For program point L295-1(lines 295 302) no Hoare annotation was computed. [2018-12-08 09:14:47,193 INFO L448 ceAbstractionStarter]: For program point L293(line 293) no Hoare annotation was computed. [2018-12-08 09:14:47,193 INFO L444 ceAbstractionStarter]: At program point L292(line 292) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 09:14:47,193 INFO L444 ceAbstractionStarter]: At program point L291(line 291) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 09:14:47,193 INFO L444 ceAbstractionStarter]: At program point L291-1(line 291) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 09:14:47,193 INFO L448 ceAbstractionStarter]: For program point L386-1(line 386) no Hoare annotation was computed. [2018-12-08 09:14:47,193 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 401) no Hoare annotation was computed. [2018-12-08 09:14:47,193 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 380 404) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-12-08 09:14:47,193 INFO L444 ceAbstractionStarter]: At program point L399(line 399) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-12-08 09:14:47,193 INFO L448 ceAbstractionStarter]: For program point L399-1(lines 380 404) no Hoare annotation was computed. [2018-12-08 09:14:47,194 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 380 404) no Hoare annotation was computed. [2018-12-08 09:14:47,194 INFO L444 ceAbstractionStarter]: At program point L394(line 394) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3))) [2018-12-08 09:14:47,194 INFO L444 ceAbstractionStarter]: At program point L390(line 390) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 .cse3) (or (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3 (and (= processEnvironment__wrappee__methaneQuery_~tmp~4 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))))) [2018-12-08 09:14:47,194 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 396) no Hoare annotation was computed. [2018-12-08 09:14:47,194 INFO L444 ceAbstractionStarter]: At program point L386(line 386) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-12-08 09:14:47,194 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 558 572) no Hoare annotation was computed. [2018-12-08 09:14:47,194 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 558 572) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (not (= ~waterLevel~0 2))) (.cse7 (= |old(~systemActive~0)| 0))) (let ((.cse1 (not .cse7)) (.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~systemActive~0)) (.cse4 (not (= ~waterLevel~0 1))) (.cse5 (or .cse2 .cse8)) (.cse6 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 (or .cse5 .cse3) .cse0) (or .cse2 .cse6 .cse4) (or (and (not (= ~systemActive~0 0)) (= ~pumpRunning~0 1)) (or (or .cse7 .cse8) (not (= 1 |old(~pumpRunning~0)|)))) (or .cse5 .cse6)))) [2018-12-08 09:14:47,195 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 558 572) no Hoare annotation was computed. [2018-12-08 09:14:47,195 INFO L444 ceAbstractionStarter]: At program point L564(line 564) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~waterLevel~0 2)))) (and (or .cse0 .cse1) (or .cse0 (not (= ~waterLevel~0 1))) (or (and (not (= ~systemActive~0 0)) (= ~pumpRunning~0 1)) (or (or (= |old(~systemActive~0)| 0) .cse1) (not (= 1 |old(~pumpRunning~0)|)))))) [2018-12-08 09:14:47,195 INFO L448 ceAbstractionStarter]: For program point L562(lines 562 568) no Hoare annotation was computed. [2018-12-08 09:14:47,195 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 475 483) no Hoare annotation was computed. [2018-12-08 09:14:47,195 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 475 483) the Hoare annotation is: true [2018-12-08 09:14:47,195 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 475 483) no Hoare annotation was computed. [2018-12-08 09:14:47,196 INFO L448 ceAbstractionStarter]: For program point L546-1(line 546) no Hoare annotation was computed. [2018-12-08 09:14:47,196 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 539 557) the Hoare annotation is: true [2018-12-08 09:14:47,196 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 539 557) no Hoare annotation was computed. [2018-12-08 09:14:47,196 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 552) no Hoare annotation was computed. [2018-12-08 09:14:47,196 INFO L451 ceAbstractionStarter]: At program point L546(line 546) the Hoare annotation is: true [2018-12-08 09:14:47,196 INFO L448 ceAbstractionStarter]: For program point L548-2(lines 548 552) no Hoare annotation was computed. [2018-12-08 09:14:47,196 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 539 557) no Hoare annotation was computed. [2018-12-08 09:14:47,197 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 106 112) no Hoare annotation was computed. [2018-12-08 09:14:47,197 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 106 112) the Hoare annotation is: true [2018-12-08 09:14:47,197 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 274 284) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 09:14:47,197 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 274 284) no Hoare annotation was computed. [2018-12-08 09:14:47,197 INFO L444 ceAbstractionStarter]: At program point L279(line 279) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 09:14:47,197 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 274 284) no Hoare annotation was computed. [2018-12-08 09:14:47,197 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 464 474) the Hoare annotation is: true [2018-12-08 09:14:47,197 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 464 474) no Hoare annotation was computed. [2018-12-08 09:14:47,197 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 464 474) no Hoare annotation was computed. [2018-12-08 09:14:47,197 INFO L451 ceAbstractionStarter]: At program point L469(line 469) the Hoare annotation is: true [2018-12-08 09:14:47,197 INFO L448 ceAbstractionStarter]: For program point L469-1(line 469) no Hoare annotation was computed. [2018-12-08 09:14:47,198 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 456 463) the Hoare annotation is: (let ((.cse0 (not (= 1 |old(~pumpRunning~0)|)))) (and (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) .cse0 (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 1))) (or (= ~pumpRunning~0 1) (or (or (= ~systemActive~0 0) (not (= ~waterLevel~0 2))) .cse0)))) [2018-12-08 09:14:47,198 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 456 463) no Hoare annotation was computed. [2018-12-08 09:14:47,198 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 456 463) no Hoare annotation was computed. [2018-12-08 09:14:47,198 INFO L448 ceAbstractionStarter]: For program point L657(lines 657 663) no Hoare annotation was computed. [2018-12-08 09:14:47,198 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 653 666) no Hoare annotation was computed. [2018-12-08 09:14:47,198 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 653 666) the Hoare annotation is: true [2018-12-08 09:14:47,198 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 653 666) no Hoare annotation was computed. [2018-12-08 09:14:47,198 INFO L444 ceAbstractionStarter]: At program point L416(line 416) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-12-08 09:14:47,198 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 422) no Hoare annotation was computed. [2018-12-08 09:14:47,198 INFO L444 ceAbstractionStarter]: At program point L412(line 412) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-12-08 09:14:47,199 INFO L448 ceAbstractionStarter]: For program point L412-1(line 412) no Hoare annotation was computed. [2018-12-08 09:14:47,199 INFO L448 ceAbstractionStarter]: For program point L410(lines 410 427) no Hoare annotation was computed. [2018-12-08 09:14:47,199 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 406 430) no Hoare annotation was computed. [2018-12-08 09:14:47,199 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 406 430) the Hoare annotation is: (let ((.cse3 (not (= ~waterLevel~0 1))) (.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 (not (= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse2 .cse3) (or (or .cse2 (or .cse4 .cse1 (not (= ~waterLevel~0 2)))) .cse0))) [2018-12-08 09:14:47,199 INFO L444 ceAbstractionStarter]: At program point L425(line 425) the Hoare annotation is: (let ((.cse2 (not (= ~waterLevel~0 1))) (.cse1 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or (not (= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse0 .cse1 .cse2) (or (or .cse1 (or .cse3 .cse0 (not (= ~waterLevel~0 2)))) .cse4))) [2018-12-08 09:14:47,199 INFO L448 ceAbstractionStarter]: For program point L425-1(lines 406 430) no Hoare annotation was computed. [2018-12-08 09:14:47,199 INFO L444 ceAbstractionStarter]: At program point L420(line 420) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~waterLevel~0 1)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 1 |old(~pumpRunning~0)|)) .cse2 .cse0 .cse3) (or .cse1 .cse2 .cse0 .cse3))) [2018-12-08 09:14:47,199 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 346 352) no Hoare annotation was computed. [2018-12-08 09:14:47,199 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 346 352) the Hoare annotation is: true [2018-12-08 09:14:47,200 INFO L444 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (= ~pumpRunning~0 1) (and (not (= ~systemActive~0 0)) .cse0 .cse1)) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse2 (= |old(~waterLevel~0)| ~waterLevel~0) .cse1) (and .cse2 .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 09:14:47,200 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 144 209) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 09:14:47,200 INFO L448 ceAbstractionStarter]: For program point L190(lines 190 196) no Hoare annotation was computed. [2018-12-08 09:14:47,200 INFO L444 ceAbstractionStarter]: At program point L190-1(lines 184 197) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse5 (= 2 ~waterLevel~0)) (.cse4 (= ~systemActive~0 1)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse3) (not (= |old(~systemActive~0)| 1)) (and (and .cse0 .cse5 .cse3) .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse5 (= ~pumpRunning~0 1) .cse4 .cse3) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse5 .cse4 .cse3))) [2018-12-08 09:14:47,200 INFO L448 ceAbstractionStarter]: For program point L155(lines 154 201) no Hoare annotation was computed. [2018-12-08 09:14:47,200 INFO L448 ceAbstractionStarter]: For program point L184(lines 184 197) no Hoare annotation was computed. [2018-12-08 09:14:47,200 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 144 209) no Hoare annotation was computed. [2018-12-08 09:14:47,200 INFO L444 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= 0 ~systemActive~0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (and .cse3 .cse4 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and (and .cse3 .cse0 .cse2 .cse5) .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse6 .cse2 .cse5) (not (= |old(~waterLevel~0)| 1)) (and .cse3 .cse0 .cse1 .cse2))) [2018-12-08 09:14:47,200 INFO L448 ceAbstractionStarter]: For program point L174(lines 174 180) no Hoare annotation was computed. [2018-12-08 09:14:47,201 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 174 180) no Hoare annotation was computed. [2018-12-08 09:14:47,201 INFO L444 ceAbstractionStarter]: At program point L199(lines 154 201) the Hoare annotation is: (let ((.cse2 (= ~systemActive~0 1)) (.cse4 (= 2 ~waterLevel~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (= 0 ~systemActive~0)) (.cse3 (= test_~splverifierCounter~0 0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~systemActive~0)| 1)) (and .cse4 (= ~pumpRunning~0 1) .cse2 .cse3) (and .cse0 .cse4 .cse2 .cse3 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse4 .cse3 .cse6 .cse5) (and .cse0 .cse1 .cse6 .cse3 .cse5) (not (= |old(~waterLevel~0)| 1)))) [2018-12-08 09:14:47,201 INFO L444 ceAbstractionStarter]: At program point L166(line 166) the Hoare annotation is: (let ((.cse6 (= 0 ~systemActive~0)) (.cse4 (= 1 ~waterLevel~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (= 2 ~waterLevel~0)) (.cse1 (= ~systemActive~0 1)) (.cse2 (= test_~splverifierCounter~0 0)) (.cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (or (and .cse0 (= ~pumpRunning~0 1) .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (and (and .cse3 .cse4 .cse2 .cse5) .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse0 .cse2 .cse6 .cse5) (and .cse3 .cse4 .cse1 .cse2) (not (= |old(~waterLevel~0)| 1)) (and .cse3 .cse0 .cse1 .cse2 .cse5))) [2018-12-08 09:14:47,201 INFO L448 ceAbstractionStarter]: For program point L164(lines 164 170) no Hoare annotation was computed. [2018-12-08 09:14:47,201 INFO L448 ceAbstractionStarter]: For program point L164-1(lines 164 170) no Hoare annotation was computed. [2018-12-08 09:14:47,201 INFO L448 ceAbstractionStarter]: For program point L156(lines 156 160) no Hoare annotation was computed. [2018-12-08 09:14:47,201 INFO L444 ceAbstractionStarter]: At program point L202(lines 153 203) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-08 09:14:47,201 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 144 209) no Hoare annotation was computed. [2018-12-08 09:14:47,201 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 431 438) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-12-08 09:14:47,201 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 431 438) no Hoare annotation was computed. [2018-12-08 09:14:47,202 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 431 438) no Hoare annotation was computed. [2018-12-08 09:14:47,202 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 667 675) no Hoare annotation was computed. [2018-12-08 09:14:47,202 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 667 675) the Hoare annotation is: true [2018-12-08 09:14:47,202 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 667 675) no Hoare annotation was computed. [2018-12-08 09:14:47,202 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 09:14:47,202 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~waterLevel~0)| ~waterLevel~0) [2018-12-08 09:14:47,202 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 09:14:47,202 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 439 455) no Hoare annotation was computed. [2018-12-08 09:14:47,202 INFO L448 ceAbstractionStarter]: For program point L446(lines 446 452) no Hoare annotation was computed. [2018-12-08 09:14:47,202 INFO L444 ceAbstractionStarter]: At program point L444(line 444) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-12-08 09:14:47,202 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 439 455) no Hoare annotation was computed. [2018-12-08 09:14:47,202 INFO L448 ceAbstractionStarter]: For program point L444-1(line 444) no Hoare annotation was computed. [2018-12-08 09:14:47,203 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 439 455) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-12-08 09:14:47,203 INFO L444 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)) (not (= ~waterLevel~0 2))) [2018-12-08 09:14:47,203 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 533) no Hoare annotation was computed. [2018-12-08 09:14:47,203 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 520 538) no Hoare annotation was computed. [2018-12-08 09:14:47,203 INFO L451 ceAbstractionStarter]: At program point L527(line 527) the Hoare annotation is: true [2018-12-08 09:14:47,203 INFO L448 ceAbstractionStarter]: For program point L529-2(lines 529 533) no Hoare annotation was computed. [2018-12-08 09:14:47,203 INFO L448 ceAbstractionStarter]: For program point L527-1(line 527) no Hoare annotation was computed. [2018-12-08 09:14:47,203 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 520 538) the Hoare annotation is: true [2018-12-08 09:14:47,203 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 520 538) no Hoare annotation was computed. [2018-12-08 09:14:47,203 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 644 652) the Hoare annotation is: true [2018-12-08 09:14:47,203 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 644 652) no Hoare annotation was computed. [2018-12-08 09:14:47,204 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 644 652) no Hoare annotation was computed. [2018-12-08 09:14:47,204 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 600 611) the Hoare annotation is: true [2018-12-08 09:14:47,204 INFO L448 ceAbstractionStarter]: For program point L604-1(lines 600 611) no Hoare annotation was computed. [2018-12-08 09:14:47,204 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 600 611) no Hoare annotation was computed. [2018-12-08 09:14:47,204 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 612 620) the Hoare annotation is: true [2018-12-08 09:14:47,204 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 612 620) no Hoare annotation was computed. [2018-12-08 09:14:47,204 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 612 620) no Hoare annotation was computed. [2018-12-08 09:14:47,204 INFO L451 ceAbstractionStarter]: At program point L226-1(lines 226 230) the Hoare annotation is: true [2018-12-08 09:14:47,204 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 212 241) no Hoare annotation was computed. [2018-12-08 09:14:47,204 INFO L448 ceAbstractionStarter]: For program point L223(line 223) no Hoare annotation was computed. [2018-12-08 09:14:47,204 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 212 241) the Hoare annotation is: true [2018-12-08 09:14:47,204 INFO L451 ceAbstractionStarter]: At program point L222-2(lines 222 236) the Hoare annotation is: true [2018-12-08 09:14:47,204 INFO L451 ceAbstractionStarter]: At program point L218(line 218) the Hoare annotation is: true [2018-12-08 09:14:47,205 INFO L448 ceAbstractionStarter]: For program point L218-1(line 218) no Hoare annotation was computed. [2018-12-08 09:14:47,205 INFO L451 ceAbstractionStarter]: At program point L237(lines 212 241) the Hoare annotation is: true [2018-12-08 09:14:47,205 INFO L448 ceAbstractionStarter]: For program point L233(line 233) no Hoare annotation was computed. [2018-12-08 09:14:47,205 INFO L448 ceAbstractionStarter]: For program point L226(lines 226 230) no Hoare annotation was computed. [2018-12-08 09:14:47,205 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 319 345) the Hoare annotation is: (let ((.cse12 (= 0 ~pumpRunning~0)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse4 (and .cse12 .cse7)) (.cse8 (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (.cse9 (not (= |old(~switchedOnBeforeTS~0)| |old(~pumpRunning~0)|))) (.cse10 (< |old(~switchedOnBeforeTS~0)| 1)) (.cse2 (not (= ~systemActive~0 0))) (.cse11 (<= 1 ~switchedOnBeforeTS~0)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 1))) (.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse3 (and .cse12 (= 2 ~waterLevel~0)))) (and (or (or .cse0 .cse1) .cse2 .cse3) (or .cse0 .cse2 .cse4 .cse5) (or .cse0 .cse6 .cse4 .cse5) (or (or (or .cse6 .cse1) (not (= 1 |old(~pumpRunning~0)|))) (and (= ~pumpRunning~0 1) .cse7)) (or .cse8 .cse0 .cse2 .cse9 .cse5) (or .cse0 .cse8 .cse6 .cse9 .cse5) (or .cse10 .cse0 .cse6 .cse5 .cse11) (or .cse10 .cse0 .cse2 .cse11 .cse5) (or (or .cse0 .cse6 .cse1) .cse3)))) [2018-12-08 09:14:47,205 INFO L444 ceAbstractionStarter]: At program point L335(line 335) the Hoare annotation is: (let ((.cse0 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (let ((.cse1 (not (= ~systemActive~0 1))) (.cse4 (and (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0) .cse0)) (.cse5 (not (= |old(~waterLevel~0)| 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse6 (not (= ~systemActive~0 0)))) (and (or (and (= 1 ~waterLevel~0) (= ~pumpRunning~0 1) .cse0) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or .cse3 .cse4 .cse1 .cse5) (or (or .cse3 .cse1 .cse2) .cse4) (or .cse3 .cse6 .cse5) (or (or .cse3 .cse2) .cse6)))) [2018-12-08 09:14:47,205 INFO L444 ceAbstractionStarter]: At program point L333(lines 333 339) the Hoare annotation is: (let ((.cse7 (= 0 ~pumpRunning~0)) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 2))) (.cse1 (and .cse7 .cse5 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~systemActive~0 0))) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (or .cse0 .cse2 .cse4) .cse1 (and (= ~pumpRunning~0 1) .cse5)) (or (or .cse0 .cse4) .cse6 .cse1) (or (or (or .cse2 .cse4) (not (= 1 |old(~pumpRunning~0)|))) (and (<= 1 ~switchedOnBeforeTS~0) .cse7 (= 1 ~waterLevel~0))) (or .cse1 .cse0 .cse6 .cse3)))) [2018-12-08 09:14:47,206 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 319 345) no Hoare annotation was computed. [2018-12-08 09:14:47,206 INFO L444 ceAbstractionStarter]: At program point L328(line 328) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse1 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= ~systemActive~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse3) (or .cse0 .cse4 .cse3) (or (and (= ~pumpRunning~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (or (or .cse1 .cse2) (not (= 1 |old(~pumpRunning~0)|)))) (or (or .cse0 .cse2) .cse4))) [2018-12-08 09:14:47,206 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 319 345) no Hoare annotation was computed. [2018-12-08 09:14:47,206 INFO L448 ceAbstractionStarter]: For program point L326(lines 322 344) no Hoare annotation was computed. [2018-12-08 09:14:47,206 INFO L448 ceAbstractionStarter]: For program point L324(lines 322 344) no Hoare annotation was computed. [2018-12-08 09:14:47,206 INFO L444 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 576 587) the Hoare annotation is: (or (or (not (= ~systemActive~0 1)) (not (= 1 ~pumpRunning~0)) (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) (not (= |old(~waterLevel~0)| 2))) (= |old(~waterLevel~0)| ~waterLevel~0)) [2018-12-08 09:14:47,206 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 576 587) no Hoare annotation was computed. [2018-12-08 09:14:47,206 INFO L448 ceAbstractionStarter]: For program point L580-1(lines 576 587) no Hoare annotation was computed. [2018-12-08 09:14:47,206 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 267 273) no Hoare annotation was computed. [2018-12-08 09:14:47,206 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 267 273) the Hoare annotation is: true [2018-12-08 09:14:47,207 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 09:14:47,207 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= ~switchedOnBeforeTS~0 ~pumpRunning~0)) [2018-12-08 09:14:47,207 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 09:14:47,207 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 09:14:47,207 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 354 378) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-12-08 09:14:47,207 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 354 378) no Hoare annotation was computed. [2018-12-08 09:14:47,207 INFO L444 ceAbstractionStarter]: At program point L373(line 373) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-12-08 09:14:47,207 INFO L448 ceAbstractionStarter]: For program point L373-1(lines 354 378) no Hoare annotation was computed. [2018-12-08 09:14:47,207 INFO L444 ceAbstractionStarter]: At program point L368(line 368) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~3) (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|)))) (and (or (or .cse0 (or .cse1 .cse2 (not (= ~waterLevel~0 2)))) .cse3) (or .cse1 .cse3 .cse2 .cse0 (not (= ~waterLevel~0 1))))) [2018-12-08 09:14:47,208 INFO L444 ceAbstractionStarter]: At program point L364(line 364) the Hoare annotation is: (let ((.cse2 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (= ~switchedOnBeforeTS~0 ~pumpRunning~0) (or .cse2 (or .cse0 .cse1 (not (= ~waterLevel~0 2))))))) [2018-12-08 09:14:47,208 INFO L448 ceAbstractionStarter]: For program point L362(lines 362 370) no Hoare annotation was computed. [2018-12-08 09:14:47,208 INFO L444 ceAbstractionStarter]: At program point L360(line 360) the Hoare annotation is: (let ((.cse3 (not (= ~switchedOnBeforeTS~0 |old(~pumpRunning~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~waterLevel~0 1))) (or (or .cse3 (or .cse0 .cse2 (not (= ~waterLevel~0 2)))) .cse1))) [2018-12-08 09:14:47,208 INFO L448 ceAbstractionStarter]: For program point L360-1(line 360) no Hoare annotation was computed. [2018-12-08 09:14:47,208 INFO L448 ceAbstractionStarter]: For program point L358(lines 358 375) no Hoare annotation was computed. [2018-12-08 09:14:47,208 INFO L448 ceAbstractionStarter]: For program point L592-1(lines 588 599) no Hoare annotation was computed. [2018-12-08 09:14:47,208 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 588 599) no Hoare annotation was computed. [2018-12-08 09:14:47,208 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 588 599) the Hoare annotation is: (let ((.cse3 (not (= ~systemActive~0 0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= ~switchedOnBeforeTS~0 ~pumpRunning~0))) (.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~systemActive~0 1))) (.cse4 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 (not (= 1 ~pumpRunning~0)) .cse1 .cse2) (or .cse2 .cse3 (or .cse4 .cse5) .cse6) (or .cse3 .cse2 .cse6 .cse5 .cse1) (or .cse2 (or .cse5 .cse0) .cse6 .cse1) (or (= 1 ~waterLevel~0) (or .cse5 .cse0 .cse4)))) [2018-12-08 09:14:47,208 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 130 137) no Hoare annotation was computed. [2018-12-08 09:14:47,208 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 130 137) the Hoare annotation is: true [2018-12-08 09:14:47,209 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 134) no Hoare annotation was computed. [2018-12-08 09:14:47,209 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 130 137) no Hoare annotation was computed. [2018-12-08 09:14:47,220 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 09:14:47 BoogieIcfgContainer [2018-12-08 09:14:47,220 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 09:14:47,221 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 09:14:47,221 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 09:14:47,221 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 09:14:47,221 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:14:36" (3/4) ... [2018-12-08 09:14:47,224 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 09:14:47,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-08 09:14:47,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-08 09:14:47,228 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-12-08 09:14:47,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-12-08 09:14:47,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-12-08 09:14:47,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 09:14:47,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-08 09:14:47,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-12-08 09:14:47,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-08 09:14:47,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-08 09:14:47,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-08 09:14:47,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-08 09:14:47,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-08 09:14:47,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-08 09:14:47,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-12-08 09:14:47,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-08 09:14:47,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-08 09:14:47,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-08 09:14:47,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-12-08 09:14:47,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-08 09:14:47,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 09:14:47,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-12-08 09:14:47,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-12-08 09:14:47,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-08 09:14:47,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-08 09:14:47,230 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-08 09:14:47,230 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-08 09:14:47,230 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-08 09:14:47,230 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-08 09:14:47,230 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-08 09:14:47,230 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-12-08 09:14:47,230 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-08 09:14:47,230 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-08 09:14:47,236 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2018-12-08 09:14:47,236 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-08 09:14:47,237 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 09:14:47,237 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-08 09:14:47,237 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 09:14:47,238 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 09:14:47,258 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && 0 == systemActive) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && \old(waterLevel) == waterLevel) && 0 == systemActive) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) [2018-12-08 09:14:47,258 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-08 09:14:47,288 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e364d648-6840-427e-88d5-665784dc3082/bin-2019/uautomizer/witness.graphml [2018-12-08 09:14:47,288 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 09:14:47,289 INFO L168 Benchmark]: Toolchain (without parser) took 11774.46 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 561.0 MB). Free memory was 956.0 MB in the beginning and 989.3 MB in the end (delta: -33.3 MB). Peak memory consumption was 527.7 MB. Max. memory is 11.5 GB. [2018-12-08 09:14:47,289 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 09:14:47,289 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -163.3 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. [2018-12-08 09:14:47,289 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.79 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. [2018-12-08 09:14:47,290 INFO L168 Benchmark]: Boogie Preprocessor took 22.77 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. [2018-12-08 09:14:47,290 INFO L168 Benchmark]: RCFGBuilder took 329.79 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: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 11.5 GB. [2018-12-08 09:14:47,290 INFO L168 Benchmark]: TraceAbstraction took 11026.66 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 425.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.2 MB). Peak memory consumption was 708.2 MB. Max. memory is 11.5 GB. [2018-12-08 09:14:47,290 INFO L168 Benchmark]: Witness Printer took 67.20 ms. Allocated memory is still 1.6 GB. Free memory was 1.0 GB in the beginning and 989.3 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2018-12-08 09:14:47,292 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 305.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 956.0 MB in the beginning and 1.1 GB in the end (delta: -163.3 MB). Peak memory consumption was 24.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.79 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 22.77 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 329.79 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: 55.5 MB). Peak memory consumption was 55.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 11026.66 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 425.2 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 59.2 MB). Peak memory consumption was 708.2 MB. Max. memory is 11.5 GB. * Witness Printer took 67.20 ms. Allocated memory is still 1.6 GB. Free memory was 1.0 GB in the beginning and 989.3 MB in the end (delta: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 134]: 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: 153]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 154]: Loop Invariant Derived loop invariant: (((((((((0 == pumpRunning && \old(waterLevel) == waterLevel) && systemActive == 1) && splverifierCounter == 0) || !(\old(systemActive) == 1)) || (((2 == waterLevel && pumpRunning == 1) && systemActive == 1) && splverifierCounter == 0)) || ((((0 == pumpRunning && 2 == waterLevel) && systemActive == 1) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(0 == \old(pumpRunning))) || ((((0 == pumpRunning && 2 == waterLevel) && splverifierCounter == 0) && 0 == systemActive) && switchedOnBeforeTS == pumpRunning)) || ((((0 == pumpRunning && \old(waterLevel) == waterLevel) && 0 == systemActive) && splverifierCounter == 0) && switchedOnBeforeTS == pumpRunning)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 34 procedures, 182 locations, 1 error locations. SAFE Result, 10.9s OverallTime, 11 OverallIterations, 11 TraceHistogramMax, 4.3s AutomataDifference, 0.0s DeadEndRemovalTime, 4.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2810 SDtfs, 2716 SDslu, 9425 SDs, 0 SdLazy, 6349 SolverSat, 1237 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1148 GetRequests, 1018 SyntacticMatches, 2 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 635 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3216occurred in iteration=10, 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: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 667 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 75 LocationsWithAnnotation, 4839 PreInvPairs, 5007 NumberOfFragments, 2673 HoareAnnotationTreeSize, 4839 FomulaSimplifications, 8447 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 75 FomulaSimplificationsInter, 25759 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 2711 NumberOfCodeBlocks, 2711 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 2697 ConstructedInterpolants, 0 QuantifiedInterpolants, 1015898 SizeOfPredicates, 10 NumberOfNonLiveVariables, 3950 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 14 InterpolantComputations, 9 PerfectInterpolantSequences, 2360/2418 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...