./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product64_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e3f61916-440c-426e-9aac-853b747e0ecf/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e3f61916-440c-426e-9aac-853b747e0ecf/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e3f61916-440c-426e-9aac-853b747e0ecf/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e3f61916-440c-426e-9aac-853b747e0ecf/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product64_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e3f61916-440c-426e-9aac-853b747e0ecf/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e3f61916-440c-426e-9aac-853b747e0ecf/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 73819447b87648cd463b03989cd8839b460fd303 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 11:57:45,054 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 11:57:45,055 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 11:57:45,063 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 11:57:45,063 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 11:57:45,064 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 11:57:45,065 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 11:57:45,066 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 11:57:45,067 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 11:57:45,068 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 11:57:45,069 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 11:57:45,069 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 11:57:45,069 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 11:57:45,070 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 11:57:45,071 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 11:57:45,071 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 11:57:45,072 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 11:57:45,073 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 11:57:45,075 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 11:57:45,076 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 11:57:45,077 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 11:57:45,077 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 11:57:45,080 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 11:57:45,080 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 11:57:45,080 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 11:57:45,081 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 11:57:45,082 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 11:57:45,082 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 11:57:45,083 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 11:57:45,084 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 11:57:45,084 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 11:57:45,084 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 11:57:45,084 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 11:57:45,085 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 11:57:45,085 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 11:57:45,086 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 11:57:45,086 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e3f61916-440c-426e-9aac-853b747e0ecf/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 11:57:45,095 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 11:57:45,096 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 11:57:45,096 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 11:57:45,096 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 11:57:45,097 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 11:57:45,097 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 11:57:45,097 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 11:57:45,097 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 11:57:45,098 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 11:57:45,098 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 11:57:45,098 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 11:57:45,098 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 11:57:45,098 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 11:57:45,098 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 11:57:45,098 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 11:57:45,099 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 11:57:45,099 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 11:57:45,099 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 11:57:45,099 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 11:57:45,099 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 11:57:45,099 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 11:57:45,100 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 11:57:45,100 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 11:57:45,100 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:57:45,100 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 11:57:45,100 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 11:57:45,100 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 11:57:45,100 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 11:57:45,101 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 11:57:45,101 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 11:57:45,101 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_e3f61916-440c-426e-9aac-853b747e0ecf/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 -> 73819447b87648cd463b03989cd8839b460fd303 [2018-11-28 11:57:45,124 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 11:57:45,132 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 11:57:45,134 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 11:57:45,135 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 11:57:45,135 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 11:57:45,136 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e3f61916-440c-426e-9aac-853b747e0ecf/bin-2019/uautomizer/../../sv-benchmarks/c/product-lines/minepump_spec2_product64_true-unreach-call_false-termination.cil.c [2018-11-28 11:57:45,173 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e3f61916-440c-426e-9aac-853b747e0ecf/bin-2019/uautomizer/data/2291058e6/3b1bbf06cf7548d296d9a012946807a6/FLAG7cdbdaea8 [2018-11-28 11:57:45,516 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 11:57:45,516 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e3f61916-440c-426e-9aac-853b747e0ecf/sv-benchmarks/c/product-lines/minepump_spec2_product64_true-unreach-call_false-termination.cil.c [2018-11-28 11:57:45,523 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e3f61916-440c-426e-9aac-853b747e0ecf/bin-2019/uautomizer/data/2291058e6/3b1bbf06cf7548d296d9a012946807a6/FLAG7cdbdaea8 [2018-11-28 11:57:45,532 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e3f61916-440c-426e-9aac-853b747e0ecf/bin-2019/uautomizer/data/2291058e6/3b1bbf06cf7548d296d9a012946807a6 [2018-11-28 11:57:45,533 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 11:57:45,534 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 11:57:45,535 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 11:57:45,535 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 11:57:45,537 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 11:57:45,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:57:45" (1/1) ... [2018-11-28 11:57:45,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33570e4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:45, skipping insertion in model container [2018-11-28 11:57:45,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:57:45" (1/1) ... [2018-11-28 11:57:45,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 11:57:45,574 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 11:57:45,770 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:57:45,827 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 11:57:45,886 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 11:57:45,905 INFO L195 MainTranslator]: Completed translation [2018-11-28 11:57:45,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:45 WrapperNode [2018-11-28 11:57:45,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 11:57:45,906 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 11:57:45,906 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 11:57:45,906 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 11:57:45,911 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:45" (1/1) ... [2018-11-28 11:57:45,924 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:45" (1/1) ... [2018-11-28 11:57:45,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 11:57:45,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 11:57:45,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 11:57:45,932 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 11:57:45,938 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:45" (1/1) ... [2018-11-28 11:57:45,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:45" (1/1) ... [2018-11-28 11:57:45,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:45" (1/1) ... [2018-11-28 11:57:45,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:45" (1/1) ... [2018-11-28 11:57:45,951 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:45" (1/1) ... [2018-11-28 11:57:45,957 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:45" (1/1) ... [2018-11-28 11:57:45,959 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:45" (1/1) ... [2018-11-28 11:57:45,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 11:57:45,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 11:57:45,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 11:57:45,963 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 11:57:45,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3f61916-440c-426e-9aac-853b747e0ecf/bin-2019/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 11:57:46,011 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-28 11:57:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-28 11:57:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 11:57:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 11:57:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-28 11:57:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-28 11:57:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-28 11:57:46,012 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-28 11:57:46,012 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 11:57:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-28 11:57:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-28 11:57:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2018-11-28 11:57:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2018-11-28 11:57:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-28 11:57:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-28 11:57:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-28 11:57:46,013 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-28 11:57:46,013 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-28 11:57:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-28 11:57:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 11:57:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2018-11-28 11:57:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-28 11:57:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-28 11:57:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2018-11-28 11:57:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2018-11-28 11:57:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2018-11-28 11:57:46,014 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2018-11-28 11:57:46,014 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2018-11-28 11:57:46,015 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2018-11-28 11:57:46,015 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2018-11-28 11:57:46,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2018-11-28 11:57:46,015 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-28 11:57:46,015 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-28 11:57:46,015 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-28 11:57:46,015 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-28 11:57:46,015 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-28 11:57:46,015 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-28 11:57:46,015 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-28 11:57:46,016 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-28 11:57:46,016 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-28 11:57:46,016 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-28 11:57:46,016 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:57:46,016 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:57:46,016 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-28 11:57:46,016 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-28 11:57:46,016 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-28 11:57:46,016 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-28 11:57:46,016 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-28 11:57:46,017 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-28 11:57:46,017 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 11:57:46,017 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-28 11:57:46,017 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-28 11:57:46,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-28 11:57:46,017 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-28 11:57:46,017 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-28 11:57:46,017 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-28 11:57:46,017 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-28 11:57:46,017 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-28 11:57:46,018 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-28 11:57:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 11:57:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 11:57:46,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 11:57:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-28 11:57:46,018 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-28 11:57:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-28 11:57:46,018 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-28 11:57:46,018 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 11:57:46,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 11:57:46,464 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 11:57:46,464 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-28 11:57:46,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:57:46 BoogieIcfgContainer [2018-11-28 11:57:46,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 11:57:46,465 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 11:57:46,465 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 11:57:46,468 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 11:57:46,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:57:45" (1/3) ... [2018-11-28 11:57:46,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a652b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:57:46, skipping insertion in model container [2018-11-28 11:57:46,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:57:45" (2/3) ... [2018-11-28 11:57:46,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58a652b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:57:46, skipping insertion in model container [2018-11-28 11:57:46,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:57:46" (3/3) ... [2018-11-28 11:57:46,471 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product64_true-unreach-call_false-termination.cil.c [2018-11-28 11:57:46,480 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 11:57:46,487 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 11:57:46,501 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 11:57:46,528 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 11:57:46,528 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 11:57:46,528 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 11:57:46,529 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 11:57:46,529 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 11:57:46,529 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 11:57:46,529 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 11:57:46,529 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 11:57:46,529 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 11:57:46,548 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states. [2018-11-28 11:57:46,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-28 11:57:46,555 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:57:46,556 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:57:46,558 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:57:46,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:57:46,563 INFO L82 PathProgramCache]: Analyzing trace with hash -1192230650, now seen corresponding path program 1 times [2018-11-28 11:57:46,564 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:57:46,565 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:57:46,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:57:46,605 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:57:46,605 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:57:46,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:57:46,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:57:46,761 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:57:46,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-28 11:57:46,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-28 11:57:46,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-28 11:57:46,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:57:46,773 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 2 states. [2018-11-28 11:57:46,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:57:46,808 INFO L93 Difference]: Finished difference Result 326 states and 407 transitions. [2018-11-28 11:57:46,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-28 11:57:46,809 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2018-11-28 11:57:46,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:57:46,818 INFO L225 Difference]: With dead ends: 326 [2018-11-28 11:57:46,819 INFO L226 Difference]: Without dead ends: 165 [2018-11-28 11:57:46,821 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-28 11:57:46,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-11-28 11:57:46,854 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-11-28 11:57:46,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-11-28 11:57:46,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 197 transitions. [2018-11-28 11:57:46,858 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 197 transitions. Word has length 51 [2018-11-28 11:57:46,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:57:46,859 INFO L480 AbstractCegarLoop]: Abstraction has 165 states and 197 transitions. [2018-11-28 11:57:46,859 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-28 11:57:46,859 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 197 transitions. [2018-11-28 11:57:46,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-28 11:57:46,861 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:57:46,861 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:57:46,861 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:57:46,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:57:46,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1373710090, now seen corresponding path program 1 times [2018-11-28 11:57:46,862 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:57:46,862 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:57:46,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:57:46,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:57:46,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:57:46,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:57:46,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:57:46,950 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:57:46,950 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 11:57:46,951 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 11:57:46,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 11:57:46,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:57:46,952 INFO L87 Difference]: Start difference. First operand 165 states and 197 transitions. Second operand 3 states. [2018-11-28 11:57:46,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:57:46,976 INFO L93 Difference]: Finished difference Result 265 states and 317 transitions. [2018-11-28 11:57:46,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 11:57:46,977 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-28 11:57:46,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:57:46,978 INFO L225 Difference]: With dead ends: 265 [2018-11-28 11:57:46,978 INFO L226 Difference]: Without dead ends: 156 [2018-11-28 11:57:46,979 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 11:57:46,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-11-28 11:57:46,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2018-11-28 11:57:46,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-11-28 11:57:46,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 185 transitions. [2018-11-28 11:57:46,990 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 185 transitions. Word has length 52 [2018-11-28 11:57:46,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:57:46,990 INFO L480 AbstractCegarLoop]: Abstraction has 156 states and 185 transitions. [2018-11-28 11:57:46,990 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 11:57:46,991 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 185 transitions. [2018-11-28 11:57:46,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-28 11:57:46,993 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:57:46,995 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:57:46,995 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:57:46,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:57:46,996 INFO L82 PathProgramCache]: Analyzing trace with hash 1939487040, now seen corresponding path program 1 times [2018-11-28 11:57:46,996 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:57:46,996 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:57:46,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:57:46,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:57:46,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:57:47,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:57:47,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:57:47,116 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:57:47,116 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:57:47,116 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:57:47,117 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:57:47,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:57:47,117 INFO L87 Difference]: Start difference. First operand 156 states and 185 transitions. Second operand 7 states. [2018-11-28 11:57:47,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:57:47,451 INFO L93 Difference]: Finished difference Result 463 states and 569 transitions. [2018-11-28 11:57:47,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 11:57:47,451 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 57 [2018-11-28 11:57:47,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:57:47,454 INFO L225 Difference]: With dead ends: 463 [2018-11-28 11:57:47,455 INFO L226 Difference]: Without dead ends: 335 [2018-11-28 11:57:47,456 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-28 11:57:47,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2018-11-28 11:57:47,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 323. [2018-11-28 11:57:47,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2018-11-28 11:57:47,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 396 transitions. [2018-11-28 11:57:47,490 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 396 transitions. Word has length 57 [2018-11-28 11:57:47,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:57:47,490 INFO L480 AbstractCegarLoop]: Abstraction has 323 states and 396 transitions. [2018-11-28 11:57:47,490 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:57:47,490 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 396 transitions. [2018-11-28 11:57:47,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-28 11:57:47,492 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:57:47,493 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:57:47,493 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:57:47,493 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:57:47,493 INFO L82 PathProgramCache]: Analyzing trace with hash 1739409695, now seen corresponding path program 1 times [2018-11-28 11:57:47,493 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:57:47,493 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:57:47,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:57:47,494 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:57:47,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:57:47,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:57:47,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:57:47,585 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:57:47,585 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:57:47,585 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:57:47,585 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:57:47,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:57:47,585 INFO L87 Difference]: Start difference. First operand 323 states and 396 transitions. Second operand 6 states. [2018-11-28 11:57:47,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:57:47,737 INFO L93 Difference]: Finished difference Result 895 states and 1122 transitions. [2018-11-28 11:57:47,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:57:47,737 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2018-11-28 11:57:47,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:57:47,741 INFO L225 Difference]: With dead ends: 895 [2018-11-28 11:57:47,741 INFO L226 Difference]: Without dead ends: 600 [2018-11-28 11:57:47,743 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-28 11:57:47,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2018-11-28 11:57:47,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 594. [2018-11-28 11:57:47,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 594 states. [2018-11-28 11:57:47,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 732 transitions. [2018-11-28 11:57:47,779 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 732 transitions. Word has length 62 [2018-11-28 11:57:47,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:57:47,780 INFO L480 AbstractCegarLoop]: Abstraction has 594 states and 732 transitions. [2018-11-28 11:57:47,780 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:57:47,780 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 732 transitions. [2018-11-28 11:57:47,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-11-28 11:57:47,782 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:57:47,782 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:57:47,782 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:57:47,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:57:47,783 INFO L82 PathProgramCache]: Analyzing trace with hash 220622011, now seen corresponding path program 1 times [2018-11-28 11:57:47,783 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:57:47,783 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:57:47,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:57:47,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:57:47,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:57:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:57:47,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:57:47,883 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:57:47,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-28 11:57:47,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 11:57:47,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 11:57:47,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:57:47,884 INFO L87 Difference]: Start difference. First operand 594 states and 732 transitions. Second operand 7 states. [2018-11-28 11:57:48,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:57:48,413 INFO L93 Difference]: Finished difference Result 1547 states and 2026 transitions. [2018-11-28 11:57:48,413 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 11:57:48,413 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2018-11-28 11:57:48,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:57:48,417 INFO L225 Difference]: With dead ends: 1547 [2018-11-28 11:57:48,417 INFO L226 Difference]: Without dead ends: 981 [2018-11-28 11:57:48,418 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2018-11-28 11:57:48,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 981 states. [2018-11-28 11:57:48,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 981 to 883. [2018-11-28 11:57:48,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 883 states. [2018-11-28 11:57:48,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 883 states and 1071 transitions. [2018-11-28 11:57:48,460 INFO L78 Accepts]: Start accepts. Automaton has 883 states and 1071 transitions. Word has length 66 [2018-11-28 11:57:48,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:57:48,460 INFO L480 AbstractCegarLoop]: Abstraction has 883 states and 1071 transitions. [2018-11-28 11:57:48,461 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 11:57:48,461 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1071 transitions. [2018-11-28 11:57:48,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-28 11:57:48,463 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:57:48,463 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] [2018-11-28 11:57:48,463 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:57:48,463 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:57:48,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1348023676, now seen corresponding path program 1 times [2018-11-28 11:57:48,464 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:57:48,464 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:57:48,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:57:48,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:57:48,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:57:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:57:48,530 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 11:57:48,530 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:57:48,531 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-28 11:57:48,531 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-28 11:57:48,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-28 11:57:48,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-11-28 11:57:48,531 INFO L87 Difference]: Start difference. First operand 883 states and 1071 transitions. Second operand 6 states. [2018-11-28 11:57:48,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:57:48,576 INFO L93 Difference]: Finished difference Result 1766 states and 2218 transitions. [2018-11-28 11:57:48,577 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-28 11:57:48,577 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 109 [2018-11-28 11:57:48,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:57:48,580 INFO L225 Difference]: With dead ends: 1766 [2018-11-28 11:57:48,580 INFO L226 Difference]: Without dead ends: 911 [2018-11-28 11:57:48,581 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 11:57:48,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 911 states. [2018-11-28 11:57:48,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 911 to 903. [2018-11-28 11:57:48,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 903 states. [2018-11-28 11:57:48,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1091 transitions. [2018-11-28 11:57:48,614 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1091 transitions. Word has length 109 [2018-11-28 11:57:48,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:57:48,615 INFO L480 AbstractCegarLoop]: Abstraction has 903 states and 1091 transitions. [2018-11-28 11:57:48,615 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-28 11:57:48,615 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1091 transitions. [2018-11-28 11:57:48,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-28 11:57:48,617 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:57:48,617 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] [2018-11-28 11:57:48,617 INFO L423 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:57:48,618 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:57:48,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1007781574, now seen corresponding path program 1 times [2018-11-28 11:57:48,618 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:57:48,618 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:57:48,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:57:48,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:57:48,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:57:48,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:57:48,691 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 11:57:48,692 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:57:48,692 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 11:57:48,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 11:57:48,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 11:57:48,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:57:48,693 INFO L87 Difference]: Start difference. First operand 903 states and 1091 transitions. Second operand 8 states. [2018-11-28 11:57:48,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:57:48,746 INFO L93 Difference]: Finished difference Result 1806 states and 2258 transitions. [2018-11-28 11:57:48,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-28 11:57:48,747 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 109 [2018-11-28 11:57:48,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:57:48,750 INFO L225 Difference]: With dead ends: 1806 [2018-11-28 11:57:48,750 INFO L226 Difference]: Without dead ends: 931 [2018-11-28 11:57:48,752 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-11-28 11:57:48,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 931 states. [2018-11-28 11:57:48,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 931 to 919. [2018-11-28 11:57:48,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 919 states. [2018-11-28 11:57:48,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 919 states and 1107 transitions. [2018-11-28 11:57:48,780 INFO L78 Accepts]: Start accepts. Automaton has 919 states and 1107 transitions. Word has length 109 [2018-11-28 11:57:48,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:57:48,781 INFO L480 AbstractCegarLoop]: Abstraction has 919 states and 1107 transitions. [2018-11-28 11:57:48,781 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 11:57:48,781 INFO L276 IsEmpty]: Start isEmpty. Operand 919 states and 1107 transitions. [2018-11-28 11:57:48,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-28 11:57:48,782 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:57:48,782 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] [2018-11-28 11:57:48,783 INFO L423 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:57:48,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:57:48,783 INFO L82 PathProgramCache]: Analyzing trace with hash -238611559, now seen corresponding path program 1 times [2018-11-28 11:57:48,783 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:57:48,783 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:57:48,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:57:48,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:57:48,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:57:48,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:57:48,854 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-28 11:57:48,854 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 11:57:48,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-28 11:57:48,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-28 11:57:48,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-28 11:57:48,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:57:48,855 INFO L87 Difference]: Start difference. First operand 919 states and 1107 transitions. Second operand 4 states. [2018-11-28 11:57:49,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:57:49,098 INFO L93 Difference]: Finished difference Result 2901 states and 3662 transitions. [2018-11-28 11:57:49,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-28 11:57:49,099 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 109 [2018-11-28 11:57:49,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:57:49,110 INFO L225 Difference]: With dead ends: 2901 [2018-11-28 11:57:49,110 INFO L226 Difference]: Without dead ends: 2010 [2018-11-28 11:57:49,114 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-28 11:57:49,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2010 states. [2018-11-28 11:57:49,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2010 to 1979. [2018-11-28 11:57:49,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1979 states. [2018-11-28 11:57:49,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1979 states to 1979 states and 2447 transitions. [2018-11-28 11:57:49,228 INFO L78 Accepts]: Start accepts. Automaton has 1979 states and 2447 transitions. Word has length 109 [2018-11-28 11:57:49,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:57:49,229 INFO L480 AbstractCegarLoop]: Abstraction has 1979 states and 2447 transitions. [2018-11-28 11:57:49,229 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-28 11:57:49,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1979 states and 2447 transitions. [2018-11-28 11:57:49,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-28 11:57:49,234 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:57:49,234 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] [2018-11-28 11:57:49,234 INFO L423 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:57:49,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:57:49,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1716314079, now seen corresponding path program 1 times [2018-11-28 11:57:49,235 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:57:49,235 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:57:49,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:57:49,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:57:49,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:57:49,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:57:49,438 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-28 11:57:49,438 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:57:49,439 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3f61916-440c-426e-9aac-853b747e0ecf/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:57:49,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:57:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:57:49,593 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:57:49,753 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 11:57:49,779 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:57:49,780 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 11:57:49,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 11:57:49,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 11:57:49,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 11:57:49,781 INFO L87 Difference]: Start difference. First operand 1979 states and 2447 transitions. Second operand 19 states. [2018-11-28 11:57:50,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:57:50,805 INFO L93 Difference]: Finished difference Result 3896 states and 4876 transitions. [2018-11-28 11:57:50,805 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 11:57:50,805 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 113 [2018-11-28 11:57:50,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:57:50,813 INFO L225 Difference]: With dead ends: 3896 [2018-11-28 11:57:50,813 INFO L226 Difference]: Without dead ends: 1945 [2018-11-28 11:57:50,818 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 108 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 11:57:50,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1945 states. [2018-11-28 11:57:50,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1945 to 1945. [2018-11-28 11:57:50,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1945 states. [2018-11-28 11:57:50,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1945 states to 1945 states and 2355 transitions. [2018-11-28 11:57:50,910 INFO L78 Accepts]: Start accepts. Automaton has 1945 states and 2355 transitions. Word has length 113 [2018-11-28 11:57:50,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:57:50,911 INFO L480 AbstractCegarLoop]: Abstraction has 1945 states and 2355 transitions. [2018-11-28 11:57:50,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 11:57:50,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 2355 transitions. [2018-11-28 11:57:50,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-28 11:57:50,917 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 11:57:50,917 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 11:57:50,918 INFO L423 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 11:57:50,918 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 11:57:50,918 INFO L82 PathProgramCache]: Analyzing trace with hash 1246351513, now seen corresponding path program 1 times [2018-11-28 11:57:50,918 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 11:57:50,918 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 11:57:50,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:57:50,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:57:50,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 11:57:50,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:57:51,079 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-28 11:57:51,080 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 11:57:51,080 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3f61916-440c-426e-9aac-853b747e0ecf/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 11:57:51,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 11:57:51,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 11:57:51,198 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 11:57:51,353 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-28 11:57:51,380 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 11:57:51,380 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2018-11-28 11:57:51,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-28 11:57:51,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-28 11:57:51,381 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2018-11-28 11:57:51,381 INFO L87 Difference]: Start difference. First operand 1945 states and 2355 transitions. Second operand 19 states. [2018-11-28 11:57:52,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 11:57:52,048 INFO L93 Difference]: Finished difference Result 3283 states and 4055 transitions. [2018-11-28 11:57:52,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-28 11:57:52,049 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 183 [2018-11-28 11:57:52,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 11:57:52,050 INFO L225 Difference]: With dead ends: 3283 [2018-11-28 11:57:52,050 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 11:57:52,054 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 180 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2018-11-28 11:57:52,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 11:57:52,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 11:57:52,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 11:57:52,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 11:57:52,055 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 183 [2018-11-28 11:57:52,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 11:57:52,055 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 11:57:52,055 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-28 11:57:52,055 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 11:57:52,055 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 11:57:52,058 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 11:57:52,192 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:57:52,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:57:52,196 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:57:52,197 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:57:52,198 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:57:52,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:57:52,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:57:52,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:57:52,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:57:52,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:57:52,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:57:52,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:57:52,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:57:52,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:57:52,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:57:52,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:57:52,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:57:52,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 11:57:53,223 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 33 [2018-11-28 11:57:53,515 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 32 [2018-11-28 11:57:54,488 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 33 [2018-11-28 11:57:54,755 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-28 11:57:54,756 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-28 11:57:54,756 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-28 11:57:54,756 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-28 11:57:54,756 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-28 11:57:54,756 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 651 673) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:57:54,756 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 651 673) no Hoare annotation was computed. [2018-11-28 11:57:54,756 INFO L444 ceAbstractionStarter]: At program point L663(line 663) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~8 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:57:54,756 INFO L444 ceAbstractionStarter]: At program point L663-1(line 663) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~8 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:57:54,756 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 668) no Hoare annotation was computed. [2018-11-28 11:57:54,757 INFO L448 ceAbstractionStarter]: For program point L661-1(lines 661 668) no Hoare annotation was computed. [2018-11-28 11:57:54,757 INFO L448 ceAbstractionStarter]: For program point L659(line 659) no Hoare annotation was computed. [2018-11-28 11:57:54,757 INFO L444 ceAbstractionStarter]: At program point L658(line 658) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:57:54,757 INFO L444 ceAbstractionStarter]: At program point L657(line 657) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:57:54,757 INFO L444 ceAbstractionStarter]: At program point L657-1(line 657) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:57:54,757 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 651 673) no Hoare annotation was computed. [2018-11-28 11:57:54,757 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 168) no Hoare annotation was computed. [2018-11-28 11:57:54,757 INFO L444 ceAbstractionStarter]: At program point L158(line 158) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-28 11:57:54,757 INFO L448 ceAbstractionStarter]: For program point L158-1(line 158) no Hoare annotation was computed. [2018-11-28 11:57:54,757 INFO L448 ceAbstractionStarter]: For program point L156(lines 156 173) no Hoare annotation was computed. [2018-11-28 11:57:54,757 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 152 176) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 11:57:54,758 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 152 176) no Hoare annotation was computed. [2018-11-28 11:57:54,758 INFO L444 ceAbstractionStarter]: At program point L171(line 171) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= 0 ~pumpRunning~0) .cse1) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 11:57:54,758 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 152 176) no Hoare annotation was computed. [2018-11-28 11:57:54,758 INFO L444 ceAbstractionStarter]: At program point L166(line 166) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-28 11:57:54,758 INFO L444 ceAbstractionStarter]: At program point L162(line 162) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-28 11:57:54,758 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 330 344) no Hoare annotation was computed. [2018-11-28 11:57:54,758 INFO L444 ceAbstractionStarter]: At program point L336(line 336) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~systemActive~0 1)) (.cse5 (not (= |old(~systemActive~0)| 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (not (= ~systemActive~0 0)) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse2 (= |old(~systemActive~0)| 0)) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse0 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse0 .cse4 .cse5) (or .cse1 .cse6) (or .cse3 .cse2 .cse6))) [2018-11-28 11:57:54,758 INFO L448 ceAbstractionStarter]: For program point L334(lines 334 340) no Hoare annotation was computed. [2018-11-28 11:57:54,758 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 330 344) the Hoare annotation is: (let ((.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (let ((.cse6 (= ~systemActive~0 1)) (.cse7 (not (= |old(~systemActive~0)| 1))) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (and (not (= ~systemActive~0 0)) .cse2)) (.cse4 (= |old(~systemActive~0)| 0)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse1) (or .cse3 .cse6 .cse7) (or .cse3 .cse0 .cse2) (or .cse5 .cse4 .cse1)))) [2018-11-28 11:57:54,758 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 330 344) no Hoare annotation was computed. [2018-11-28 11:57:54,758 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 247 255) no Hoare annotation was computed. [2018-11-28 11:57:54,759 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 247 255) the Hoare annotation is: true [2018-11-28 11:57:54,759 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 247 255) no Hoare annotation was computed. [2018-11-28 11:57:54,759 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 324) no Hoare annotation was computed. [2018-11-28 11:57:54,759 INFO L451 ceAbstractionStarter]: At program point L318(line 318) the Hoare annotation is: true [2018-11-28 11:57:54,759 INFO L448 ceAbstractionStarter]: For program point L320-2(lines 320 324) no Hoare annotation was computed. [2018-11-28 11:57:54,759 INFO L448 ceAbstractionStarter]: For program point L318-1(line 318) no Hoare annotation was computed. [2018-11-28 11:57:54,759 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 311 329) the Hoare annotation is: true [2018-11-28 11:57:54,759 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 311 329) no Hoare annotation was computed. [2018-11-28 11:57:54,759 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 311 329) no Hoare annotation was computed. [2018-11-28 11:57:54,759 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-28 11:57:54,759 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-28 11:57:54,759 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 640 650) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:57:54,759 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 640 650) no Hoare annotation was computed. [2018-11-28 11:57:54,759 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 640 650) no Hoare annotation was computed. [2018-11-28 11:57:54,760 INFO L444 ceAbstractionStarter]: At program point L645(line 645) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:57:54,760 INFO L451 ceAbstractionStarter]: At program point L241(line 241) the Hoare annotation is: true [2018-11-28 11:57:54,760 INFO L448 ceAbstractionStarter]: For program point L241-1(line 241) no Hoare annotation was computed. [2018-11-28 11:57:54,760 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 236 246) the Hoare annotation is: true [2018-11-28 11:57:54,760 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 236 246) no Hoare annotation was computed. [2018-11-28 11:57:54,760 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 236 246) no Hoare annotation was computed. [2018-11-28 11:57:54,760 INFO L444 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 228 235) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-11-28 11:57:54,760 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 228 235) no Hoare annotation was computed. [2018-11-28 11:57:54,760 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 228 235) no Hoare annotation was computed. [2018-11-28 11:57:54,760 INFO L448 ceAbstractionStarter]: For program point L558(lines 558 564) no Hoare annotation was computed. [2018-11-28 11:57:54,760 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 554 567) no Hoare annotation was computed. [2018-11-28 11:57:54,760 INFO L451 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 554 567) the Hoare annotation is: true [2018-11-28 11:57:54,760 INFO L448 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 554 567) no Hoare annotation was computed. [2018-11-28 11:57:54,761 INFO L444 ceAbstractionStarter]: At program point L192(line 192) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 (and (= processEnvironment_~tmp~2 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0)) .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse0))) [2018-11-28 11:57:54,761 INFO L444 ceAbstractionStarter]: At program point L188(line 188) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse1 (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse1 .cse0 (and (= processEnvironment_~tmp~2 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))))) [2018-11-28 11:57:54,761 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 194) no Hoare annotation was computed. [2018-11-28 11:57:54,761 INFO L444 ceAbstractionStarter]: At program point L184(line 184) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse4 .cse1 .cse3) (or .cse4 .cse0 .cse1))) [2018-11-28 11:57:54,761 INFO L448 ceAbstractionStarter]: For program point L184-1(line 184) no Hoare annotation was computed. [2018-11-28 11:57:54,761 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 178 202) no Hoare annotation was computed. [2018-11-28 11:57:54,761 INFO L448 ceAbstractionStarter]: For program point L182(lines 182 199) no Hoare annotation was computed. [2018-11-28 11:57:54,761 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 178 202) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))) (or (not (= ~methaneLevelCritical~0 1)) .cse1 .cse0))) [2018-11-28 11:57:54,761 INFO L444 ceAbstractionStarter]: At program point L197(line 197) the Hoare annotation is: (let ((.cse1 (and (= 0 ~pumpRunning~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 11:57:54,761 INFO L448 ceAbstractionStarter]: For program point L197-1(lines 178 202) no Hoare annotation was computed. [2018-11-28 11:57:54,761 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 118 124) no Hoare annotation was computed. [2018-11-28 11:57:54,761 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 118 124) the Hoare annotation is: true [2018-11-28 11:57:54,761 INFO L444 ceAbstractionStarter]: At program point L417(lines 366 418) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:57:54,762 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 357 424) the Hoare annotation is: (or (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-11-28 11:57:54,762 INFO L444 ceAbstractionStarter]: At program point L407(line 407) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 1)) (.cse0 (not (= ~systemActive~0 0))) (.cse4 (= 0 ~methaneLevelCritical~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse1 .cse2) (and .cse4 .cse0 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse3 .cse2))) [2018-11-28 11:57:54,762 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 357 424) no Hoare annotation was computed. [2018-11-28 11:57:54,762 INFO L448 ceAbstractionStarter]: For program point L405(lines 405 411) no Hoare annotation was computed. [2018-11-28 11:57:54,762 INFO L444 ceAbstractionStarter]: At program point L405-1(lines 397 412) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse0 (not (= ~systemActive~0 0))) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse3 .cse4 .cse2) (and .cse4 .cse1 .cse2) (and .cse3 .cse0 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 11:57:54,762 INFO L448 ceAbstractionStarter]: For program point L368(lines 367 416) no Hoare annotation was computed. [2018-11-28 11:57:54,762 INFO L444 ceAbstractionStarter]: At program point L399(line 399) the Hoare annotation is: (let ((.cse0 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= |old(~systemActive~0)| 1)) (and (= ~methaneLevelCritical~0 1) .cse0) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 11:57:54,762 INFO L448 ceAbstractionStarter]: For program point L397(lines 397 412) no Hoare annotation was computed. [2018-11-28 11:57:54,762 INFO L444 ceAbstractionStarter]: At program point L389(line 389) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1) (and .cse2 (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse0 .cse1))) [2018-11-28 11:57:54,762 INFO L448 ceAbstractionStarter]: For program point L387(lines 387 393) no Hoare annotation was computed. [2018-11-28 11:57:54,762 INFO L448 ceAbstractionStarter]: For program point L387-1(lines 387 393) no Hoare annotation was computed. [2018-11-28 11:57:54,763 INFO L444 ceAbstractionStarter]: At program point L414(lines 367 416) the Hoare annotation is: (let ((.cse2 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~methaneLevelCritical~0 1) .cse1) (and .cse2 (not (= ~systemActive~0 0)) .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse0 .cse1))) [2018-11-28 11:57:54,763 INFO L444 ceAbstractionStarter]: At program point L379(line 379) the Hoare annotation is: (let ((.cse1 (= 0 ~pumpRunning~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 (= ~methaneLevelCritical~0 1) .cse2) (and .cse0 (not (= ~systemActive~0 0)) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2018-11-28 11:57:54,763 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 383) no Hoare annotation was computed. [2018-11-28 11:57:54,763 INFO L448 ceAbstractionStarter]: For program point L377-1(lines 377 383) no Hoare annotation was computed. [2018-11-28 11:57:54,763 INFO L448 ceAbstractionStarter]: For program point L369(lines 369 373) no Hoare annotation was computed. [2018-11-28 11:57:54,763 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 357 424) no Hoare annotation was computed. [2018-11-28 11:57:54,763 INFO L444 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 203 210) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~methaneLevelCritical~0 0))) [2018-11-28 11:57:54,763 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 203 210) no Hoare annotation was computed. [2018-11-28 11:57:54,763 INFO L448 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 203 210) no Hoare annotation was computed. [2018-11-28 11:57:54,763 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 568 576) no Hoare annotation was computed. [2018-11-28 11:57:54,763 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 568 576) the Hoare annotation is: true [2018-11-28 11:57:54,763 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 568 576) no Hoare annotation was computed. [2018-11-28 11:57:54,763 INFO L448 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2018-11-28 11:57:54,763 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 444 472) the Hoare annotation is: true [2018-11-28 11:57:54,764 INFO L444 ceAbstractionStarter]: At program point L459(line 459) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= ~methaneLevelCritical~0 1)) .cse1) (or .cse1 .cse0))) [2018-11-28 11:57:54,764 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 463) no Hoare annotation was computed. [2018-11-28 11:57:54,764 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 466) no Hoare annotation was computed. [2018-11-28 11:57:54,764 INFO L444 ceAbstractionStarter]: At program point L454(line 454) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~systemActive~0 0) .cse0) (or (not (= 0 ~pumpRunning~0)) .cse0))) [2018-11-28 11:57:54,764 INFO L448 ceAbstractionStarter]: For program point L454-1(line 454) no Hoare annotation was computed. [2018-11-28 11:57:54,764 INFO L448 ceAbstractionStarter]: For program point L452(lines 452 469) no Hoare annotation was computed. [2018-11-28 11:57:54,764 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 444 472) no Hoare annotation was computed. [2018-11-28 11:57:54,764 INFO L448 ceAbstractionStarter]: For program point L452-1(lines 444 472) no Hoare annotation was computed. [2018-11-28 11:57:54,764 INFO L451 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: true [2018-11-28 11:57:54,764 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 436 443) the Hoare annotation is: true [2018-11-28 11:57:54,764 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 436 443) no Hoare annotation was computed. [2018-11-28 11:57:54,764 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 436 443) no Hoare annotation was computed. [2018-11-28 11:57:54,764 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:57:54,764 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-28 11:57:54,764 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:57:54,765 INFO L444 ceAbstractionStarter]: At program point L222(line 222) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (and (= activatePump_~tmp~3 ~methaneLevelCritical~0) (= |old(~pumpRunning~0)| ~pumpRunning~0))) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 11:57:54,765 INFO L448 ceAbstractionStarter]: For program point L222-1(lines 211 227) no Hoare annotation was computed. [2018-11-28 11:57:54,765 INFO L448 ceAbstractionStarter]: For program point activatePumpEXIT(lines 211 227) no Hoare annotation was computed. [2018-11-28 11:57:54,765 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 224) no Hoare annotation was computed. [2018-11-28 11:57:54,765 INFO L444 ceAbstractionStarter]: At program point activatePumpENTRY(lines 211 227) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 11:57:54,765 INFO L444 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or .cse3 (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2))) [2018-11-28 11:57:54,765 INFO L448 ceAbstractionStarter]: For program point L216-1(line 216) no Hoare annotation was computed. [2018-11-28 11:57:54,765 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 292 310) no Hoare annotation was computed. [2018-11-28 11:57:54,765 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 305) no Hoare annotation was computed. [2018-11-28 11:57:54,765 INFO L451 ceAbstractionStarter]: At program point L299(line 299) the Hoare annotation is: true [2018-11-28 11:57:54,765 INFO L448 ceAbstractionStarter]: For program point L301-2(lines 301 305) no Hoare annotation was computed. [2018-11-28 11:57:54,765 INFO L448 ceAbstractionStarter]: For program point L299-1(line 299) no Hoare annotation was computed. [2018-11-28 11:57:54,765 INFO L451 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 292 310) the Hoare annotation is: true [2018-11-28 11:57:54,766 INFO L448 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 292 310) no Hoare annotation was computed. [2018-11-28 11:57:54,766 INFO L444 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 501 512) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= ~methaneLevelCritical~0 1)) (or .cse0 .cse1 .cse2) (or .cse2 (= ~systemActive~0 0) .cse1))) [2018-11-28 11:57:54,766 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 501 512) no Hoare annotation was computed. [2018-11-28 11:57:54,766 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 501 512) no Hoare annotation was computed. [2018-11-28 11:57:54,766 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 579 608) no Hoare annotation was computed. [2018-11-28 11:57:54,766 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 579 608) the Hoare annotation is: true [2018-11-28 11:57:54,766 INFO L451 ceAbstractionStarter]: At program point L604(lines 579 608) the Hoare annotation is: true [2018-11-28 11:57:54,766 INFO L448 ceAbstractionStarter]: For program point L600(line 600) no Hoare annotation was computed. [2018-11-28 11:57:54,766 INFO L448 ceAbstractionStarter]: For program point L593(lines 593 597) no Hoare annotation was computed. [2018-11-28 11:57:54,766 INFO L451 ceAbstractionStarter]: At program point L593-1(lines 593 597) the Hoare annotation is: true [2018-11-28 11:57:54,766 INFO L448 ceAbstractionStarter]: For program point L590(line 590) no Hoare annotation was computed. [2018-11-28 11:57:54,766 INFO L451 ceAbstractionStarter]: At program point L589-2(lines 589 603) the Hoare annotation is: true [2018-11-28 11:57:54,766 INFO L451 ceAbstractionStarter]: At program point L585(line 585) the Hoare annotation is: true [2018-11-28 11:57:54,766 INFO L448 ceAbstractionStarter]: For program point L585-1(line 585) no Hoare annotation was computed. [2018-11-28 11:57:54,766 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 513 521) the Hoare annotation is: true [2018-11-28 11:57:54,767 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 513 521) no Hoare annotation was computed. [2018-11-28 11:57:54,767 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 513 521) no Hoare annotation was computed. [2018-11-28 11:57:54,767 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 94 117) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| 1))) (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse8 (= 1 ~waterLevel~0)) (.cse7 (not .cse4)) (.cse3 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (= ~waterLevel~0 1))) (.cse1 (= ~systemActive~0 0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6) (or .cse3 .cse1 .cse0) (or .cse4 (and .cse6 .cse0) .cse5 .cse2) (or .cse3 .cse5 .cse0) (or .cse5 .cse7 .cse2 (and .cse8 .cse0)) (or .cse3 .cse5 .cse8 .cse7) (or .cse3 .cse4 .cse1 .cse6) (or .cse4 .cse6 .cse1 .cse2)))) [2018-11-28 11:57:54,767 INFO L444 ceAbstractionStarter]: At program point L107(line 107) the Hoare annotation is: (let ((.cse1 (= ~systemActive~0 0)) (.cse8 (= |old(~waterLevel~0)| 1))) (let ((.cse5 (not .cse8)) (.cse3 (= 1 ~waterLevel~0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse9 (not (= ~waterLevel~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse7 (not .cse1)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse2) (or .cse6 .cse4 .cse5 (and .cse3 .cse7)) (or .cse6 .cse1 .cse0) (or .cse8 .cse4 .cse9 .cse2) (or (and .cse7 .cse9) .cse6 .cse8 .cse4) (or .cse7 .cse4 .cse2)))) [2018-11-28 11:57:54,767 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 94 117) no Hoare annotation was computed. [2018-11-28 11:57:54,767 INFO L444 ceAbstractionStarter]: At program point L105(lines 105 111) the Hoare annotation is: (let ((.cse9 (= ~systemActive~0 0)) (.cse6 (not (= ~waterLevel~0 1))) (.cse5 (= |old(~waterLevel~0)| 1))) (let ((.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 1 ~waterLevel~0)) (.cse1 (not .cse5)) (.cse8 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse7 (and (not .cse9) .cse6)) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse10 (= 0 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse0 .cse6) (or .cse0 .cse7 .cse2 .cse8) (or .cse4 .cse0 .cse8) (or .cse5 .cse6 .cse0 .cse2) (or .cse4 .cse9 .cse10) (or .cse4 .cse0 .cse3 .cse1) (or .cse8 .cse9 .cse7 .cse2 .cse10)))) [2018-11-28 11:57:54,767 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 94 117) no Hoare annotation was computed. [2018-11-28 11:57:54,767 INFO L444 ceAbstractionStarter]: At program point L100(line 100) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse3 (= ~systemActive~0 0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse0 .cse3 .cse2) (or .cse1 .cse4))) [2018-11-28 11:57:54,767 INFO L448 ceAbstractionStarter]: For program point L98(lines 97 116) no Hoare annotation was computed. [2018-11-28 11:57:54,767 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 477 488) no Hoare annotation was computed. [2018-11-28 11:57:54,768 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 477 488) the Hoare annotation is: true [2018-11-28 11:57:54,768 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 477 488) no Hoare annotation was computed. [2018-11-28 11:57:54,768 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 633 639) no Hoare annotation was computed. [2018-11-28 11:57:54,768 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 633 639) the Hoare annotation is: true [2018-11-28 11:57:54,768 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 11:57:54,768 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= ~systemActive~0 1)) [2018-11-28 11:57:54,768 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 11:57:54,768 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 11:57:54,768 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 345 352) no Hoare annotation was computed. [2018-11-28 11:57:54,768 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 345 352) the Hoare annotation is: true [2018-11-28 11:57:54,768 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 345 352) no Hoare annotation was computed. [2018-11-28 11:57:54,768 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 126 150) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse1 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 11:57:54,768 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 126 150) no Hoare annotation was computed. [2018-11-28 11:57:54,768 INFO L444 ceAbstractionStarter]: At program point L145(line 145) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 .cse2) (or (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1 .cse2) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1))) [2018-11-28 11:57:54,769 INFO L448 ceAbstractionStarter]: For program point L145-1(lines 126 150) no Hoare annotation was computed. [2018-11-28 11:57:54,769 INFO L444 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: (let ((.cse1 (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0)) (.cse2 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (and (= 0 ~pumpRunning~0) .cse1 .cse2)) (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse1 .cse2) .cse0))) [2018-11-28 11:57:54,769 INFO L444 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse2 (= ~systemActive~0 0)) (.cse0 (not (= ~waterLevel~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or (and .cse0 .cse1) (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse2) (or .cse2 (and (= 0 ~pumpRunning~0) .cse1) .cse3) (or .cse2 .cse0 .cse3))) [2018-11-28 11:57:54,769 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 142) no Hoare annotation was computed. [2018-11-28 11:57:54,769 INFO L444 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse0 (= ~systemActive~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (and (= 0 ~pumpRunning~0) .cse1) .cse0 (not (= ~methaneLevelCritical~0 0))))) [2018-11-28 11:57:54,769 INFO L448 ceAbstractionStarter]: For program point L132-1(line 132) no Hoare annotation was computed. [2018-11-28 11:57:54,769 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 147) no Hoare annotation was computed. [2018-11-28 11:57:54,769 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 489 500) no Hoare annotation was computed. [2018-11-28 11:57:54,769 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 489 500) no Hoare annotation was computed. [2018-11-28 11:57:54,769 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 489 500) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= |old(~waterLevel~0)| 1))) (.cse1 (= 1 ~waterLevel~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2018-11-28 11:57:54,769 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 426 433) no Hoare annotation was computed. [2018-11-28 11:57:54,770 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 430) no Hoare annotation was computed. [2018-11-28 11:57:54,770 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 426 433) the Hoare annotation is: true [2018-11-28 11:57:54,770 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 426 433) no Hoare annotation was computed. [2018-11-28 11:57:54,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:57:54 BoogieIcfgContainer [2018-11-28 11:57:54,780 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 11:57:54,780 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 11:57:54,780 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 11:57:54,780 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 11:57:54,781 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:57:46" (3/4) ... [2018-11-28 11:57:54,784 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 11:57:54,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-28 11:57:54,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-28 11:57:54,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 11:57:54,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-28 11:57:54,789 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-28 11:57:54,790 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-28 11:57:54,790 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-28 11:57:54,790 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-28 11:57:54,790 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-28 11:57:54,790 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-28 11:57:54,790 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-28 11:57:54,790 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterSensorDry [2018-11-28 11:57:54,790 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-28 11:57:54,790 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-28 11:57:54,790 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-28 11:57:54,790 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump__wrappee__lowWaterSensor [2018-11-28 11:57:54,790 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-28 11:57:54,790 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__2 [2018-11-28 11:57:54,790 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification2_spec__1 [2018-11-28 11:57:54,790 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 11:57:54,791 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure activatePump [2018-11-28 11:57:54,791 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isHighWaterLevel [2018-11-28 11:57:54,791 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-28 11:57:54,791 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-28 11:57:54,791 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-28 11:57:54,791 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-28 11:57:54,791 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-28 11:57:54,791 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-28 11:57:54,791 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-28 11:57:54,791 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2018-11-28 11:57:54,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-28 11:57:54,792 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-28 11:57:54,799 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 49 nodes and edges [2018-11-28 11:57:54,800 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-28 11:57:54,800 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-28 11:57:54,800 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-28 11:57:54,801 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-28 11:57:54,801 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-28 11:57:54,823 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) [2018-11-28 11:57:54,823 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-11-28 11:57:54,857 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e3f61916-440c-426e-9aac-853b747e0ecf/bin-2019/uautomizer/witness.graphml [2018-11-28 11:57:54,857 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 11:57:54,857 INFO L168 Benchmark]: Toolchain (without parser) took 9323.70 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 407.4 MB). Free memory was 951.3 MB in the beginning and 1.3 GB in the end (delta: -398.6 MB). Peak memory consumption was 8.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:57:54,858 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:57:54,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 370.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -184.0 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. [2018-11-28 11:57:54,858 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:57:54,858 INFO L168 Benchmark]: Boogie Preprocessor took 30.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 11:57:54,858 INFO L168 Benchmark]: RCFGBuilder took 501.91 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: 55.0 MB). Peak memory consumption was 55.0 MB. Max. memory is 11.5 GB. [2018-11-28 11:57:54,859 INFO L168 Benchmark]: TraceAbstraction took 8314.74 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 255.9 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -282.4 MB). Peak memory consumption was 531.5 MB. Max. memory is 11.5 GB. [2018-11-28 11:57:54,859 INFO L168 Benchmark]: Witness Printer took 76.66 ms. Allocated memory is still 1.4 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. [2018-11-28 11:57:54,860 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 370.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.5 MB). Free memory was 951.3 MB in the beginning and 1.1 GB in the end (delta: -184.0 MB). Peak memory consumption was 26.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.18 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 30.38 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 501.91 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: 55.0 MB). Peak memory consumption was 55.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8314.74 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 255.9 MB). Free memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: -282.4 MB). Peak memory consumption was 531.5 MB. Max. memory is 11.5 GB. * Witness Printer took 76.66 ms. Allocated memory is still 1.4 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 430]: 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: 589]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 579]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 366]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 367]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || ((0 == pumpRunning && methaneLevelCritical == 1) && splverifierCounter == 0)) || ((0 == methaneLevelCritical && !(systemActive == 0)) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((0 == methaneLevelCritical && 0 == pumpRunning) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 33 procedures, 178 locations, 1 error locations. SAFE Result, 8.2s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 3.1s AutomataDifference, 0.0s DeadEndRemovalTime, 2.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 2266 SDtfs, 1624 SDslu, 8991 SDs, 0 SdLazy, 3502 SolverSat, 262 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 424 GetRequests, 321 SyntacticMatches, 3 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 302 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1979occurred in iteration=8, 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, 10 MinimizatonAttempts, 167 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 75 LocationsWithAnnotation, 3994 PreInvPairs, 4251 NumberOfFragments, 1991 HoareAnnotationTreeSize, 3994 FomulaSimplifications, 4629 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 75 FomulaSimplificationsInter, 15938 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 1207 NumberOfCodeBlocks, 1207 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1195 ConstructedInterpolants, 0 QuantifiedInterpolants, 215475 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1776 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 117/121 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...