./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product14_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0c7d4560-81c2-4a29-bfea-7401984778d7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0c7d4560-81c2-4a29-bfea-7401984778d7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0c7d4560-81c2-4a29-bfea-7401984778d7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0c7d4560-81c2-4a29-bfea-7401984778d7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product14_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0c7d4560-81c2-4a29-bfea-7401984778d7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0c7d4560-81c2-4a29-bfea-7401984778d7/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 99eaecf53b705ce7ede6eb19864d6c34a239ca25 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 10:19:46,128 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 10:19:46,130 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 10:19:46,138 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 10:19:46,138 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 10:19:46,139 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 10:19:46,140 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 10:19:46,141 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 10:19:46,142 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 10:19:46,143 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 10:19:46,144 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 10:19:46,144 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 10:19:46,145 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 10:19:46,145 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 10:19:46,146 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 10:19:46,147 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 10:19:46,147 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 10:19:46,148 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 10:19:46,150 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 10:19:46,151 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 10:19:46,152 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 10:19:46,152 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 10:19:46,154 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 10:19:46,154 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 10:19:46,154 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 10:19:46,155 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 10:19:46,156 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 10:19:46,156 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 10:19:46,157 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 10:19:46,157 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 10:19:46,158 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 10:19:46,158 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 10:19:46,158 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 10:19:46,158 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 10:19:46,159 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 10:19:46,160 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 10:19:46,160 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0c7d4560-81c2-4a29-bfea-7401984778d7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 10:19:46,169 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 10:19:46,170 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 10:19:46,170 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 10:19:46,170 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 10:19:46,170 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 10:19:46,171 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 10:19:46,171 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 10:19:46,171 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 10:19:46,171 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 10:19:46,171 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 10:19:46,171 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 10:19:46,172 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 10:19:46,172 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 10:19:46,172 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 10:19:46,172 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 10:19:46,172 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 10:19:46,172 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 10:19:46,173 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 10:19:46,173 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 10:19:46,173 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 10:19:46,173 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 10:19:46,173 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 10:19:46,173 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 10:19:46,173 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 10:19:46,174 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 10:19:46,174 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 10:19:46,174 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 10:19:46,174 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 10:19:46,174 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 10:19:46,174 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 10:19:46,174 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 10:19:46,174 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 10:19:46,175 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 10:19:46,175 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 10:19:46,175 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_0c7d4560-81c2-4a29-bfea-7401984778d7/bin-2019/utaipan 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 -> Taipan 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 -> 99eaecf53b705ce7ede6eb19864d6c34a239ca25 [2018-11-10 10:19:46,199 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 10:19:46,209 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 10:19:46,212 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 10:19:46,213 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 10:19:46,213 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 10:19:46,214 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0c7d4560-81c2-4a29-bfea-7401984778d7/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product14_true-unreach-call_false-termination.cil.c [2018-11-10 10:19:46,253 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0c7d4560-81c2-4a29-bfea-7401984778d7/bin-2019/utaipan/data/b1dd9a74b/15d348e51493451d9030eacb1d88147e/FLAG5fbe029ed [2018-11-10 10:19:46,679 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 10:19:46,680 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0c7d4560-81c2-4a29-bfea-7401984778d7/sv-benchmarks/c/product-lines/minepump_spec4_product14_true-unreach-call_false-termination.cil.c [2018-11-10 10:19:46,688 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0c7d4560-81c2-4a29-bfea-7401984778d7/bin-2019/utaipan/data/b1dd9a74b/15d348e51493451d9030eacb1d88147e/FLAG5fbe029ed [2018-11-10 10:19:46,699 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0c7d4560-81c2-4a29-bfea-7401984778d7/bin-2019/utaipan/data/b1dd9a74b/15d348e51493451d9030eacb1d88147e [2018-11-10 10:19:46,701 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 10:19:46,702 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 10:19:46,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 10:19:46,702 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 10:19:46,704 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 10:19:46,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:19:46" (1/1) ... [2018-11-10 10:19:46,706 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@126fd608 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:19:46, skipping insertion in model container [2018-11-10 10:19:46,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 10:19:46" (1/1) ... [2018-11-10 10:19:46,712 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 10:19:46,742 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 10:19:46,912 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:19:46,921 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 10:19:46,973 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 10:19:46,986 INFO L193 MainTranslator]: Completed translation [2018-11-10 10:19:46,986 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:19:46 WrapperNode [2018-11-10 10:19:46,986 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 10:19:46,987 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 10:19:46,987 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 10:19:46,987 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 10:19:47,033 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:19:46" (1/1) ... [2018-11-10 10:19:47,046 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:19:46" (1/1) ... [2018-11-10 10:19:47,068 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 10:19:47,068 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 10:19:47,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 10:19:47,069 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 10:19:47,076 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:19:46" (1/1) ... [2018-11-10 10:19:47,076 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:19:46" (1/1) ... [2018-11-10 10:19:47,085 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:19:46" (1/1) ... [2018-11-10 10:19:47,085 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:19:46" (1/1) ... [2018-11-10 10:19:47,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:19:46" (1/1) ... [2018-11-10 10:19:47,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:19:46" (1/1) ... [2018-11-10 10:19:47,101 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:19:46" (1/1) ... [2018-11-10 10:19:47,104 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 10:19:47,105 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 10:19:47,105 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 10:19:47,105 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 10:19:47,105 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:19:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0c7d4560-81c2-4a29-bfea-7401984778d7/bin-2019/utaipan/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 [2018-11-10 10:19:47,156 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 10:19:47,156 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 10:19:47,156 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-10 10:19:47,156 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-10 10:19:47,156 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 10:19:47,156 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 10:19:47,156 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 10:19:47,157 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 10:19:47,157 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 10:19:47,157 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 10:19:47,157 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 10:19:47,157 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 10:19:47,157 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-10 10:19:47,157 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-10 10:19:47,157 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 10:19:47,157 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 10:19:47,158 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 10:19:47,158 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 10:19:47,158 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 10:19:47,158 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 10:19:47,158 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 10:19:47,158 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 10:19:47,160 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-10 10:19:47,160 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-10 10:19:47,160 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 10:19:47,160 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 10:19:47,160 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 10:19:47,160 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 10:19:47,160 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 10:19:47,160 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 10:19:47,161 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 10:19:47,161 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 10:19:47,161 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 10:19:47,161 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 10:19:47,161 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 10:19:47,161 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 10:19:47,161 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-10 10:19:47,161 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-10 10:19:47,161 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 10:19:47,161 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 10:19:47,161 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 10:19:47,161 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 10:19:47,161 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 10:19:47,162 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 10:19:47,162 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 10:19:47,162 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 10:19:47,162 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 10:19:47,162 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 10:19:47,718 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 10:19:47,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:19:47 BoogieIcfgContainer [2018-11-10 10:19:47,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 10:19:47,720 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 10:19:47,720 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 10:19:47,722 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 10:19:47,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 10:19:46" (1/3) ... [2018-11-10 10:19:47,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2706426e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:19:47, skipping insertion in model container [2018-11-10 10:19:47,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 10:19:46" (2/3) ... [2018-11-10 10:19:47,723 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2706426e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 10:19:47, skipping insertion in model container [2018-11-10 10:19:47,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:19:47" (3/3) ... [2018-11-10 10:19:47,725 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product14_true-unreach-call_false-termination.cil.c [2018-11-10 10:19:47,731 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 10:19:47,739 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 10:19:47,749 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 10:19:47,770 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 10:19:47,770 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 10:19:47,771 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 10:19:47,771 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 10:19:47,771 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 10:19:47,771 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 10:19:47,771 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 10:19:47,771 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 10:19:47,785 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2018-11-10 10:19:47,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 10:19:47,791 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:19:47,792 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:19:47,794 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:19:47,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:19:47,799 INFO L82 PathProgramCache]: Analyzing trace with hash 279646019, now seen corresponding path program 1 times [2018-11-10 10:19:47,801 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:19:47,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:19:47,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:19:47,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:19:47,832 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:19:47,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:19:47,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:19:47,995 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:19:47,995 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 10:19:47,995 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:19:47,999 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 10:19:48,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 10:19:48,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 10:19:48,009 INFO L87 Difference]: Start difference. First operand 121 states. Second operand 2 states. [2018-11-10 10:19:48,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:19:48,036 INFO L93 Difference]: Finished difference Result 216 states and 265 transitions. [2018-11-10 10:19:48,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 10:19:48,037 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-10 10:19:48,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:19:48,045 INFO L225 Difference]: With dead ends: 216 [2018-11-10 10:19:48,045 INFO L226 Difference]: Without dead ends: 108 [2018-11-10 10:19:48,048 INFO L605 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 [2018-11-10 10:19:48,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-11-10 10:19:48,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-11-10 10:19:48,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-11-10 10:19:48,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 124 transitions. [2018-11-10 10:19:48,081 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 124 transitions. Word has length 46 [2018-11-10 10:19:48,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:19:48,081 INFO L481 AbstractCegarLoop]: Abstraction has 108 states and 124 transitions. [2018-11-10 10:19:48,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 10:19:48,081 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 124 transitions. [2018-11-10 10:19:48,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 10:19:48,084 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:19:48,084 INFO L375 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] [2018-11-10 10:19:48,084 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:19:48,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:19:48,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1910687158, now seen corresponding path program 1 times [2018-11-10 10:19:48,085 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:19:48,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:19:48,086 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:19:48,086 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:19:48,086 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:19:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:19:48,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:19:48,161 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:19:48,161 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 10:19:48,161 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:19:48,162 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 10:19:48,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 10:19:48,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 10:19:48,163 INFO L87 Difference]: Start difference. First operand 108 states and 124 transitions. Second operand 3 states. [2018-11-10 10:19:48,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:19:48,180 INFO L93 Difference]: Finished difference Result 159 states and 181 transitions. [2018-11-10 10:19:48,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 10:19:48,180 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-10 10:19:48,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:19:48,181 INFO L225 Difference]: With dead ends: 159 [2018-11-10 10:19:48,182 INFO L226 Difference]: Without dead ends: 98 [2018-11-10 10:19:48,183 INFO L605 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 [2018-11-10 10:19:48,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-11-10 10:19:48,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-11-10 10:19:48,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-11-10 10:19:48,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 111 transitions. [2018-11-10 10:19:48,193 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 111 transitions. Word has length 48 [2018-11-10 10:19:48,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:19:48,194 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 111 transitions. [2018-11-10 10:19:48,194 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 10:19:48,194 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 111 transitions. [2018-11-10 10:19:48,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 10:19:48,195 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:19:48,195 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:19:48,196 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:19:48,196 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:19:48,196 INFO L82 PathProgramCache]: Analyzing trace with hash 1082900076, now seen corresponding path program 1 times [2018-11-10 10:19:48,196 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:19:48,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:19:48,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:19:48,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:19:48,197 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:19:48,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:19:48,326 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:19:48,326 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:19:48,327 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 10:19:48,327 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:19:48,327 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 10:19:48,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 10:19:48,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 10:19:48,328 INFO L87 Difference]: Start difference. First operand 98 states and 111 transitions. Second operand 7 states. [2018-11-10 10:19:48,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:19:48,597 INFO L93 Difference]: Finished difference Result 172 states and 199 transitions. [2018-11-10 10:19:48,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 10:19:48,597 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-11-10 10:19:48,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:19:48,598 INFO L225 Difference]: With dead ends: 172 [2018-11-10 10:19:48,599 INFO L226 Difference]: Without dead ends: 98 [2018-11-10 10:19:48,599 INFO L605 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 [2018-11-10 10:19:48,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-11-10 10:19:48,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-11-10 10:19:48,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-11-10 10:19:48,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 110 transitions. [2018-11-10 10:19:48,609 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 110 transitions. Word has length 53 [2018-11-10 10:19:48,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:19:48,609 INFO L481 AbstractCegarLoop]: Abstraction has 98 states and 110 transitions. [2018-11-10 10:19:48,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 10:19:48,609 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 110 transitions. [2018-11-10 10:19:48,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-10 10:19:48,610 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:19:48,610 INFO L375 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] [2018-11-10 10:19:48,611 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:19:48,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:19:48,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1435419787, now seen corresponding path program 1 times [2018-11-10 10:19:48,611 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:19:48,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:19:48,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:19:48,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:19:48,612 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:19:48,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:19:48,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:19:48,764 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:19:48,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-10 10:19:48,764 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:19:48,765 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-10 10:19:48,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-10 10:19:48,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-10 10:19:48,765 INFO L87 Difference]: Start difference. First operand 98 states and 110 transitions. Second operand 10 states. [2018-11-10 10:19:49,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:19:49,339 INFO L93 Difference]: Finished difference Result 300 states and 361 transitions. [2018-11-10 10:19:49,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-10 10:19:49,343 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 61 [2018-11-10 10:19:49,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:19:49,345 INFO L225 Difference]: With dead ends: 300 [2018-11-10 10:19:49,345 INFO L226 Difference]: Without dead ends: 226 [2018-11-10 10:19:49,346 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-10 10:19:49,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-11-10 10:19:49,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 222. [2018-11-10 10:19:49,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2018-11-10 10:19:49,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 258 transitions. [2018-11-10 10:19:49,369 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 258 transitions. Word has length 61 [2018-11-10 10:19:49,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:19:49,369 INFO L481 AbstractCegarLoop]: Abstraction has 222 states and 258 transitions. [2018-11-10 10:19:49,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-10 10:19:49,369 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 258 transitions. [2018-11-10 10:19:49,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-11-10 10:19:49,372 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:19:49,372 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:19:49,372 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:19:49,372 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:19:49,372 INFO L82 PathProgramCache]: Analyzing trace with hash -585823563, now seen corresponding path program 1 times [2018-11-10 10:19:49,372 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:19:49,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:19:49,373 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:19:49,373 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:19:49,373 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:19:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:19:49,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 10:19:49,449 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 10:19:49,449 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 10:19:49,449 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:19:49,449 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 10:19:49,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 10:19:49,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 10:19:49,450 INFO L87 Difference]: Start difference. First operand 222 states and 258 transitions. Second operand 3 states. [2018-11-10 10:19:49,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:19:49,468 INFO L93 Difference]: Finished difference Result 362 states and 430 transitions. [2018-11-10 10:19:49,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 10:19:49,468 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2018-11-10 10:19:49,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:19:49,470 INFO L225 Difference]: With dead ends: 362 [2018-11-10 10:19:49,470 INFO L226 Difference]: Without dead ends: 164 [2018-11-10 10:19:49,471 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 10:19:49,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-11-10 10:19:49,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2018-11-10 10:19:49,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-11-10 10:19:49,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 182 transitions. [2018-11-10 10:19:49,485 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 182 transitions. Word has length 69 [2018-11-10 10:19:49,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:19:49,486 INFO L481 AbstractCegarLoop]: Abstraction has 164 states and 182 transitions. [2018-11-10 10:19:49,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 10:19:49,487 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 182 transitions. [2018-11-10 10:19:49,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-10 10:19:49,488 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 10:19:49,488 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 10:19:49,488 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 10:19:49,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:19:49,489 INFO L82 PathProgramCache]: Analyzing trace with hash 70339462, now seen corresponding path program 1 times [2018-11-10 10:19:49,489 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 10:19:49,489 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:19:49,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 10:19:49,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 10:19:49,490 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 10:19:49,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 10:19:49,590 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-10 10:19:49,591 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 10:19:49,591 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 10:19:49,592 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 103 with the following transitions: [2018-11-10 10:19:49,593 INFO L202 CegarAbsIntRunner]: [2], [17], [20], [21], [22], [23], [24], [28], [34], [38], [42], [45], [50], [56], [58], [64], [67], [77], [79], [82], [84], [87], [93], [95], [96], [100], [103], [111], [112], [113], [114], [115], [116], [117], [132], [136], [142], [177], [181], [186], [190], [191], [206], [207], [208], [209], [214], [215], [218], [219], [220], [221], [222], [224], [225], [226], [227], [228], [229], [230], [231], [232], [236], [237], [238], [239], [244], [245], [246], [248] [2018-11-10 10:19:49,636 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 10:19:49,636 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 10:19:55,941 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 10:19:55,942 INFO L272 AbstractInterpreter]: Visited 62 different actions 71 times. Merged at 6 different actions 6 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 133 variables. [2018-11-10 10:19:55,954 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 10:19:55,954 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 10:20:05,793 INFO L227 lantSequenceWeakener]: Weakened 93 states. On average, predicates are now at 97.29% of their original sizes. [2018-11-10 10:20:05,794 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 10:20:06,386 INFO L415 sIntCurrentIteration]: We unified 101 AI predicates to 101 [2018-11-10 10:20:06,386 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 10:20:06,387 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 10:20:06,387 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [25] imperfect sequences [7] total 30 [2018-11-10 10:20:06,387 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 10:20:06,388 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-11-10 10:20:06,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-11-10 10:20:06,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=496, Unknown=0, NotChecked=0, Total=600 [2018-11-10 10:20:06,388 INFO L87 Difference]: Start difference. First operand 164 states and 182 transitions. Second operand 25 states. [2018-11-10 10:20:24,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 10:20:24,307 INFO L93 Difference]: Finished difference Result 230 states and 265 transitions. [2018-11-10 10:20:24,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-10 10:20:24,307 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 102 [2018-11-10 10:20:24,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 10:20:24,307 INFO L225 Difference]: With dead ends: 230 [2018-11-10 10:20:24,307 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 10:20:24,308 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 107 GetRequests, 76 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=171, Invalid=759, Unknown=0, NotChecked=0, Total=930 [2018-11-10 10:20:24,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 10:20:24,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 10:20:24,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 10:20:24,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 10:20:24,309 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 102 [2018-11-10 10:20:24,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 10:20:24,309 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 10:20:24,309 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-11-10 10:20:24,309 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 10:20:24,309 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 10:20:24,312 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 10:20:24,976 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 32 [2018-11-10 10:20:25,569 WARN L179 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 62 [2018-11-10 10:20:25,688 WARN L179 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 37 [2018-11-10 10:20:26,057 WARN L179 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 62 [2018-11-10 10:20:26,551 WARN L179 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 59 [2018-11-10 10:20:27,210 WARN L179 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 62 [2018-11-10 10:20:28,107 WARN L179 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 56 [2018-11-10 10:20:28,474 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 690 697) the Hoare annotation is: true [2018-11-10 10:20:28,474 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 690 697) no Hoare annotation was computed. [2018-11-10 10:20:28,474 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 690 697) no Hoare annotation was computed. [2018-11-10 10:20:28,474 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 640 664) no Hoare annotation was computed. [2018-11-10 10:20:28,474 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 640 664) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 .cse1 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (or .cse0 (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse1))) [2018-11-10 10:20:28,474 INFO L421 ceAbstractionStarter]: At program point L659(line 659) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 .cse1 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)) (or .cse0 (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse1))) [2018-11-10 10:20:28,474 INFO L425 ceAbstractionStarter]: For program point L659-1(lines 640 664) no Hoare annotation was computed. [2018-11-10 10:20:28,474 INFO L421 ceAbstractionStarter]: At program point L654(line 654) the Hoare annotation is: (let ((.cse0 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse0) (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)))) [2018-11-10 10:20:28,475 INFO L421 ceAbstractionStarter]: At program point L650(line 650) the Hoare annotation is: (let ((.cse0 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse0) (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)))) [2018-11-10 10:20:28,475 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 656) no Hoare annotation was computed. [2018-11-10 10:20:28,475 INFO L421 ceAbstractionStarter]: At program point L646(line 646) the Hoare annotation is: (let ((.cse0 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse0) (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 (< (+ |old(~pumpRunning~0)| 2) ~waterLevel~0)))) [2018-11-10 10:20:28,475 INFO L425 ceAbstractionStarter]: For program point L646-1(line 646) no Hoare annotation was computed. [2018-11-10 10:20:28,475 INFO L425 ceAbstractionStarter]: For program point L644(lines 644 661) no Hoare annotation was computed. [2018-11-10 10:20:28,475 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-10 10:20:28,475 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-10 10:20:28,475 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-10 10:20:28,475 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-10 10:20:28,475 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-10 10:20:28,475 INFO L425 ceAbstractionStarter]: For program point L545(lines 545 549) no Hoare annotation was computed. [2018-11-10 10:20:28,475 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 533 598) the Hoare annotation is: (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 10:20:28,475 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 543 590) no Hoare annotation was computed. [2018-11-10 10:20:28,475 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 533 598) no Hoare annotation was computed. [2018-11-10 10:20:28,476 INFO L421 ceAbstractionStarter]: At program point L591(lines 542 592) the Hoare annotation is: (or (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 10:20:28,476 INFO L425 ceAbstractionStarter]: For program point L581(lines 581 585) no Hoare annotation was computed. [2018-11-10 10:20:28,476 INFO L421 ceAbstractionStarter]: At program point L581-2(lines 573 586) the Hoare annotation is: (let ((.cse1 (<= (+ ~systemActive~0 ~waterLevel~0) 2))) (let ((.cse0 (let ((.cse4 (<= 0 (+ test_~tmp~3 test_~splverifierCounter~0 2147483648))) (.cse5 (+ ~pumpRunning~0 ~waterLevel~0))) (or (and .cse1 .cse4 (<= (+ test_~tmp~3 test_~splverifierCounter~0) 2147483647) (<= 1 .cse5) (<= ~waterLevel~0 ~systemActive~0)) (and (<= 2 (+ ~waterLevel~0 test_~splverifierCounter~0)) (<= (* 2 ~systemActive~0) 2) .cse4 (<= 1 (+ ~pumpRunning~0 ~systemActive~0)) (<= .cse5 2) (<= (+ ~waterLevel~0 test_~tmp~3) 2147483649))))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (and .cse0 (<= (+ test_~splverifierCounter~0 test_~tmp___0~0) 2147483647) (<= 0 (+ ~pumpRunning~0 test_~tmp___0~0 2147483648)) .cse2 (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)) (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) .cse3) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-11-10 10:20:28,476 INFO L425 ceAbstractionStarter]: For program point L544(lines 543 590) no Hoare annotation was computed. [2018-11-10 10:20:28,476 INFO L421 ceAbstractionStarter]: At program point L575(line 575) the Hoare annotation is: (let ((.cse1 (<= (+ ~systemActive~0 ~waterLevel~0) 2))) (let ((.cse0 (let ((.cse4 (<= 0 (+ test_~tmp~3 test_~splverifierCounter~0 2147483648))) (.cse5 (+ ~pumpRunning~0 ~waterLevel~0))) (or (and .cse1 .cse4 (<= (+ test_~tmp~3 test_~splverifierCounter~0) 2147483647) (<= 1 .cse5) (<= ~waterLevel~0 ~systemActive~0)) (and (<= 2 (+ ~waterLevel~0 test_~splverifierCounter~0)) (<= (* 2 ~systemActive~0) 2) .cse4 (<= 1 (+ ~pumpRunning~0 ~systemActive~0)) (<= .cse5 2) (<= (+ ~waterLevel~0 test_~tmp~3) 2147483649))))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (and .cse0 (<= (+ test_~splverifierCounter~0 test_~tmp___0~0) 2147483647) (<= 0 (+ ~pumpRunning~0 test_~tmp___0~0 2147483648)) .cse2 (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)) (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) .cse3) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-11-10 10:20:28,476 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 586) no Hoare annotation was computed. [2018-11-10 10:20:28,476 INFO L421 ceAbstractionStarter]: At program point L565(line 565) the Hoare annotation is: (let ((.cse1 (<= (+ ~systemActive~0 ~waterLevel~0) 2))) (let ((.cse0 (let ((.cse4 (<= 0 (+ test_~tmp~3 test_~splverifierCounter~0 2147483648))) (.cse5 (+ ~pumpRunning~0 ~waterLevel~0))) (or (and .cse1 .cse4 (<= (+ test_~tmp~3 test_~splverifierCounter~0) 2147483647) (<= 1 .cse5) (<= ~waterLevel~0 ~systemActive~0)) (and (<= 2 (+ ~waterLevel~0 test_~splverifierCounter~0)) (<= (* 2 ~systemActive~0) 2) .cse4 (<= 1 (+ ~pumpRunning~0 ~systemActive~0)) (<= .cse5 2) (<= (+ ~waterLevel~0 test_~tmp~3) 2147483649))))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 (<= (+ test_~splverifierCounter~0 test_~tmp___0~0) 2147483647) (<= 0 (+ ~pumpRunning~0 test_~tmp___0~0 2147483648)) .cse2 .cse3) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-11-10 10:20:28,476 INFO L425 ceAbstractionStarter]: For program point L563(lines 563 569) no Hoare annotation was computed. [2018-11-10 10:20:28,476 INFO L425 ceAbstractionStarter]: For program point L563-1(lines 563 569) no Hoare annotation was computed. [2018-11-10 10:20:28,476 INFO L421 ceAbstractionStarter]: At program point L588(lines 543 590) the Hoare annotation is: (let ((.cse0 (+ ~waterLevel~0 test_~splverifierCounter~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (and (and (<= 2 .cse0) (<= (* 2 ~systemActive~0) 2) (<= 0 (+ test_~tmp~3 test_~splverifierCounter~0 2147483648)) (<= 1 (+ ~pumpRunning~0 ~systemActive~0)) (<= (+ ~pumpRunning~0 ~waterLevel~0) 2) (<= (+ ~waterLevel~0 test_~tmp~3) 2147483649)) (<= (+ test_~splverifierCounter~0 test_~tmp___0~0) 2147483647) (<= 0 (+ ~pumpRunning~0 test_~tmp___0~0 2147483648)) (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)) (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) .cse1) (and (<= 1 .cse0) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0) .cse1) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|)))) [2018-11-10 10:20:28,476 INFO L421 ceAbstractionStarter]: At program point L555(line 555) the Hoare annotation is: (let ((.cse3 (<= (+ ~systemActive~0 ~waterLevel~0) 2))) (let ((.cse0 (let ((.cse4 (<= 0 (+ test_~tmp~3 test_~splverifierCounter~0 2147483648))) (.cse5 (+ ~pumpRunning~0 ~waterLevel~0))) (or (and .cse3 .cse4 (<= (+ test_~tmp~3 test_~splverifierCounter~0) 2147483647) (<= 1 .cse5) (<= ~waterLevel~0 ~systemActive~0)) (and (<= 2 (+ ~waterLevel~0 test_~splverifierCounter~0)) (<= (* 2 ~systemActive~0) 2) .cse4 (<= 1 (+ ~pumpRunning~0 ~systemActive~0)) (<= .cse5 2) (<= (+ ~waterLevel~0 test_~tmp~3) 2147483649))))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= (+ test_~splverifierCounter~0 test_~tmp___0~0) 2147483647) (<= 0 (+ ~pumpRunning~0 test_~tmp___0~0 2147483648)) .cse1 (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)) (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) .cse2) (and .cse0 .cse3 .cse1 .cse2) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))))) [2018-11-10 10:20:28,476 INFO L425 ceAbstractionStarter]: For program point L553(lines 553 559) no Hoare annotation was computed. [2018-11-10 10:20:28,476 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 553 559) no Hoare annotation was computed. [2018-11-10 10:20:28,477 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 533 598) no Hoare annotation was computed. [2018-11-10 10:20:28,477 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 868 892) the Hoare annotation is: true [2018-11-10 10:20:28,477 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 868 892) no Hoare annotation was computed. [2018-11-10 10:20:28,477 INFO L421 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: (let ((.cse0 (< 0 (* 2 ~pumpRunning~0)))) (and (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 (< (+ ~pumpRunning~0 2) ~waterLevel~0)) (or (< (+ ~pumpRunning~0 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse0))) [2018-11-10 10:20:28,477 INFO L425 ceAbstractionStarter]: For program point L880(lines 880 886) no Hoare annotation was computed. [2018-11-10 10:20:28,477 INFO L421 ceAbstractionStarter]: At program point L878(line 878) the Hoare annotation is: (let ((.cse0 (< 0 (* 2 ~pumpRunning~0)))) (and (or (< (+ ~systemActive~0 ~waterLevel~0) 3) (< ~waterLevel~0 (+ ~systemActive~0 1)) .cse0 (< (+ ~pumpRunning~0 2) ~waterLevel~0)) (or (< (+ ~pumpRunning~0 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= ~waterLevel~0 1)) .cse0))) [2018-11-10 10:20:28,477 INFO L425 ceAbstractionStarter]: For program point L878-1(line 878) no Hoare annotation was computed. [2018-11-10 10:20:28,477 INFO L425 ceAbstractionStarter]: For program point L876(lines 876 889) no Hoare annotation was computed. [2018-11-10 10:20:28,477 INFO L425 ceAbstractionStarter]: For program point L876-1(lines 868 892) no Hoare annotation was computed. [2018-11-10 10:20:28,477 INFO L428 ceAbstractionStarter]: At program point L874(line 874) the Hoare annotation is: true [2018-11-10 10:20:28,477 INFO L425 ceAbstractionStarter]: For program point L874-1(line 874) no Hoare annotation was computed. [2018-11-10 10:20:28,477 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 844 866) the Hoare annotation is: (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 10:20:28,477 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 844 866) no Hoare annotation was computed. [2018-11-10 10:20:28,478 INFO L421 ceAbstractionStarter]: At program point L856(line 856) the Hoare annotation is: (or (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= ~waterLevel~0 ~systemActive~0) (<= (+ ~waterLevel~0 main_~tmp~6) 2) (= ~pumpRunning~0 0) (<= ~systemActive~0 main_~tmp~6)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 10:20:28,478 INFO L421 ceAbstractionStarter]: At program point L856-1(line 856) the Hoare annotation is: (or (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= ~waterLevel~0 ~systemActive~0) (<= (+ ~waterLevel~0 main_~tmp~6) 2) (= ~pumpRunning~0 0) (<= ~systemActive~0 main_~tmp~6)) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 10:20:28,478 INFO L425 ceAbstractionStarter]: For program point L854(lines 854 861) no Hoare annotation was computed. [2018-11-10 10:20:28,478 INFO L425 ceAbstractionStarter]: For program point L854-1(lines 854 861) no Hoare annotation was computed. [2018-11-10 10:20:28,478 INFO L425 ceAbstractionStarter]: For program point L852(line 852) no Hoare annotation was computed. [2018-11-10 10:20:28,478 INFO L421 ceAbstractionStarter]: At program point L851(line 851) the Hoare annotation is: (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 10:20:28,478 INFO L421 ceAbstractionStarter]: At program point L850(line 850) the Hoare annotation is: (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 10:20:28,478 INFO L421 ceAbstractionStarter]: At program point L850-1(line 850) the Hoare annotation is: (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 10:20:28,478 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 844 866) no Hoare annotation was computed. [2018-11-10 10:20:28,478 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 632 638) no Hoare annotation was computed. [2018-11-10 10:20:28,478 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 632 638) the Hoare annotation is: true [2018-11-10 10:20:28,478 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 709 717) no Hoare annotation was computed. [2018-11-10 10:20:28,478 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 709 717) the Hoare annotation is: true [2018-11-10 10:20:28,478 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 709 717) no Hoare annotation was computed. [2018-11-10 10:20:28,478 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 10:20:28,478 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 10:20:28,478 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 10:20:28,478 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 154 162) the Hoare annotation is: true [2018-11-10 10:20:28,478 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 154 162) no Hoare annotation was computed. [2018-11-10 10:20:28,479 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 154 162) no Hoare annotation was computed. [2018-11-10 10:20:28,479 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 110 121) no Hoare annotation was computed. [2018-11-10 10:20:28,479 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 110 121) the Hoare annotation is: true [2018-11-10 10:20:28,479 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 110 121) no Hoare annotation was computed. [2018-11-10 10:20:28,479 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 122 130) the Hoare annotation is: true [2018-11-10 10:20:28,479 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 122 130) no Hoare annotation was computed. [2018-11-10 10:20:28,479 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 122 130) no Hoare annotation was computed. [2018-11-10 10:20:28,479 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 608 631) the Hoare annotation is: (let ((.cse1 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse0 (+ ~systemActive~0 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ ~systemActive~0 |old(~waterLevel~0)|) 3) (< |old(~waterLevel~0)| (+ ~systemActive~0 1)) (and (<= .cse0 3) (<= 2 .cse1) .cse2) .cse3 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (or (and (<= 1 .cse1) (<= .cse0 2) .cse2) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) .cse3))) [2018-11-10 10:20:28,479 INFO L421 ceAbstractionStarter]: At program point L621(line 621) the Hoare annotation is: (let ((.cse1 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse0 (+ ~systemActive~0 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ ~systemActive~0 |old(~waterLevel~0)|) 3) (< |old(~waterLevel~0)| (+ ~systemActive~0 1)) (and (<= .cse0 3) (<= 2 .cse1) .cse2) .cse3 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (or (and (<= 1 .cse1) (<= .cse0 2) .cse2) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) .cse3))) [2018-11-10 10:20:28,479 INFO L421 ceAbstractionStarter]: At program point L619(lines 619 625) the Hoare annotation is: (let ((.cse1 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse0 (+ ~systemActive~0 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ ~systemActive~0 |old(~waterLevel~0)|) 3) (< |old(~waterLevel~0)| (+ ~systemActive~0 1)) (and (<= .cse0 3) (<= 2 .cse1) .cse2) .cse3 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)) (or (and (<= 1 .cse1) (<= .cse0 2) .cse2) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) .cse3))) [2018-11-10 10:20:28,479 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 608 631) no Hoare annotation was computed. [2018-11-10 10:20:28,479 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 608 631) no Hoare annotation was computed. [2018-11-10 10:20:28,480 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (< 0 (* 2 |old(~pumpRunning~0)|)))) (and (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) .cse0) (or (< (+ ~systemActive~0 |old(~waterLevel~0)|) 3) (< |old(~waterLevel~0)| (+ ~systemActive~0 1)) .cse0 (< (+ |old(~pumpRunning~0)| 2) |old(~waterLevel~0)|)))) [2018-11-10 10:20:28,480 INFO L425 ceAbstractionStarter]: For program point L612(lines 611 630) no Hoare annotation was computed. [2018-11-10 10:20:28,480 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 773 802) no Hoare annotation was computed. [2018-11-10 10:20:28,480 INFO L425 ceAbstractionStarter]: For program point L787(lines 787 791) no Hoare annotation was computed. [2018-11-10 10:20:28,480 INFO L428 ceAbstractionStarter]: At program point L787-1(lines 787 791) the Hoare annotation is: true [2018-11-10 10:20:28,480 INFO L425 ceAbstractionStarter]: For program point L783-1(lines 783 797) no Hoare annotation was computed. [2018-11-10 10:20:28,480 INFO L428 ceAbstractionStarter]: At program point L783-3(lines 783 797) the Hoare annotation is: true [2018-11-10 10:20:28,480 INFO L428 ceAbstractionStarter]: At program point L779(line 779) the Hoare annotation is: true [2018-11-10 10:20:28,480 INFO L425 ceAbstractionStarter]: For program point L779-1(line 779) no Hoare annotation was computed. [2018-11-10 10:20:28,480 INFO L428 ceAbstractionStarter]: At program point L798(lines 773 802) the Hoare annotation is: true [2018-11-10 10:20:28,480 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 773 802) the Hoare annotation is: true [2018-11-10 10:20:28,480 INFO L425 ceAbstractionStarter]: For program point L794(line 794) no Hoare annotation was computed. [2018-11-10 10:20:28,480 INFO L425 ceAbstractionStarter]: For program point L784(line 784) no Hoare annotation was computed. [2018-11-10 10:20:28,481 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 86 97) the Hoare annotation is: true [2018-11-10 10:20:28,481 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 86 97) no Hoare annotation was computed. [2018-11-10 10:20:28,481 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 86 97) no Hoare annotation was computed. [2018-11-10 10:20:28,481 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-10 10:20:28,481 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-10 10:20:28,481 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 10:20:28,481 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) [2018-11-10 10:20:28,481 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 10:20:28,481 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 10:20:28,481 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 827 833) no Hoare annotation was computed. [2018-11-10 10:20:28,481 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 827 833) the Hoare annotation is: true [2018-11-10 10:20:28,481 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 754 761) no Hoare annotation was computed. [2018-11-10 10:20:28,481 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 754 761) the Hoare annotation is: (let ((.cse3 (+ ~pumpRunning~0 1))) (let ((.cse1 (<= .cse3 ~systemActive~0)) (.cse0 (+ ~systemActive~0 ~waterLevel~0)) (.cse2 (< 0 (* 2 ~pumpRunning~0)))) (and (or (< (+ ~waterLevel~0 |old(~systemActive~0)|) 3) (< ~waterLevel~0 (+ |old(~systemActive~0)| 1)) (and (<= .cse0 3) .cse1) .cse2 (< (+ ~pumpRunning~0 2) ~waterLevel~0)) (or (and .cse1 (<= .cse0 2)) (< .cse3 |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= ~waterLevel~0 1)) .cse2)))) [2018-11-10 10:20:28,481 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 754 761) no Hoare annotation was computed. [2018-11-10 10:20:28,482 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 98 109) no Hoare annotation was computed. [2018-11-10 10:20:28,482 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 98 109) no Hoare annotation was computed. [2018-11-10 10:20:28,482 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 98 109) the Hoare annotation is: (let ((.cse1 (+ ~systemActive~0 ~waterLevel~0)) (.cse0 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse2 (< 0 (* 2 ~pumpRunning~0)))) (and (or (and (<= 1 .cse0) (<= .cse1 2)) (< (+ ~pumpRunning~0 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) .cse2) (or (and (<= .cse1 3) (<= 2 .cse0)) (< (+ ~systemActive~0 |old(~waterLevel~0)|) 3) (< |old(~waterLevel~0)| (+ ~systemActive~0 1)) .cse2 (< (+ ~pumpRunning~0 2) |old(~waterLevel~0)|)))) [2018-11-10 10:20:28,482 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 767) no Hoare annotation was computed. [2018-11-10 10:20:28,482 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 763 770) no Hoare annotation was computed. [2018-11-10 10:20:28,482 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 763 770) the Hoare annotation is: true [2018-11-10 10:20:28,482 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 763 770) no Hoare annotation was computed. [2018-11-10 10:20:28,482 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 834 843) the Hoare annotation is: (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~pumpRunning~0 1) ~systemActive~0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) |old(~systemActive~0)|) (< (* 2 |old(~systemActive~0)|) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 10:20:28,482 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 834 843) no Hoare annotation was computed. [2018-11-10 10:20:28,482 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 834 843) no Hoare annotation was computed. [2018-11-10 10:20:28,482 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 698 708) the Hoare annotation is: true [2018-11-10 10:20:28,482 INFO L428 ceAbstractionStarter]: At program point L703(line 703) the Hoare annotation is: true [2018-11-10 10:20:28,482 INFO L425 ceAbstractionStarter]: For program point L703-1(line 703) no Hoare annotation was computed. [2018-11-10 10:20:28,482 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 698 708) no Hoare annotation was computed. [2018-11-10 10:20:28,482 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 698 708) no Hoare annotation was computed. [2018-11-10 10:20:28,498 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 10:20:28 BoogieIcfgContainer [2018-11-10 10:20:28,498 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 10:20:28,498 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 10:20:28,499 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 10:20:28,499 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 10:20:28,499 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 10:19:47" (3/4) ... [2018-11-10 10:20:28,502 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 10:20:28,507 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 10:20:28,507 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 10:20:28,507 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 10:20:28,507 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 10:20:28,507 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 10:20:28,507 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-10 10:20:28,507 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 10:20:28,507 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-10 10:20:28,507 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 10:20:28,507 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 10:20:28,507 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-10 10:20:28,507 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 10:20:28,507 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 10:20:28,507 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 10:20:28,507 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 10:20:28,507 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 10:20:28,507 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 10:20:28,508 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 10:20:28,508 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-10 10:20:28,508 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 10:20:28,508 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 10:20:28,508 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 10:20:28,508 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-10 10:20:28,515 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 138 nodes and edges [2018-11-10 10:20:28,516 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 10:20:28,516 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 10:20:28,541 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((2 <= waterLevel + splverifierCounter && 2 * systemActive <= 2) && 0 <= tmp + splverifierCounter + 2147483648) && 1 <= pumpRunning + systemActive) && pumpRunning + waterLevel <= 2) && waterLevel + tmp <= 2147483649) && splverifierCounter + tmp___0 <= 2147483647) && 0 <= pumpRunning + tmp___0 + 2147483648) && tmp___2 <= systemActive + 2147483646) && 0 <= splverifierCounter + tmp___2 + 2147483648) && splverifierCounter == 0) || ((((1 <= waterLevel + splverifierCounter && pumpRunning + 1 <= systemActive) && systemActive + waterLevel <= 2) && pumpRunning == 0) && splverifierCounter == 0)) || \old(pumpRunning) + 1 < \old(systemActive)) || 2 * \old(systemActive) < 2) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) [2018-11-10 10:20:28,541 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(pumpRunning) + 1 < \old(systemActive) || 2 * \old(systemActive) < 2) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) [2018-11-10 10:20:28,578 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0c7d4560-81c2-4a29-bfea-7401984778d7/bin-2019/utaipan/witness.graphml [2018-11-10 10:20:28,578 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 10:20:28,578 INFO L168 Benchmark]: Toolchain (without parser) took 41877.29 ms. Allocated memory was 1.0 GB in the beginning and 4.8 GB in the end (delta: 3.8 GB). Free memory was 961.2 MB in the beginning and 1.7 GB in the end (delta: -721.3 MB). Peak memory consumption was 3.1 GB. Max. memory is 11.5 GB. [2018-11-10 10:20:28,579 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:20:28,579 INFO L168 Benchmark]: CACSL2BoogieTranslator took 284.56 ms. Allocated memory is still 1.0 GB. Free memory was 958.5 MB in the beginning and 935.7 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2018-11-10 10:20:28,579 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -181.6 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-10 10:20:28,579 INFO L168 Benchmark]: Boogie Preprocessor took 35.84 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-11-10 10:20:28,580 INFO L168 Benchmark]: RCFGBuilder took 614.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 11.5 GB. [2018-11-10 10:20:28,580 INFO L168 Benchmark]: TraceAbstraction took 40778.59 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.7 GB). Free memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: -654.9 MB). Peak memory consumption was 3.0 GB. Max. memory is 11.5 GB. [2018-11-10 10:20:28,580 INFO L168 Benchmark]: Witness Printer took 79.34 ms. Allocated memory is still 4.8 GB. Free memory is still 1.7 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 10:20:28,581 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 284.56 ms. Allocated memory is still 1.0 GB. Free memory was 958.5 MB in the beginning and 935.7 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 81.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.7 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -181.6 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.84 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: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 614.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 82.8 MB). Peak memory consumption was 82.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 40778.59 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.7 GB). Free memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: -654.9 MB). Peak memory consumption was 3.0 GB. Max. memory is 11.5 GB. * Witness Printer took 79.34 ms. Allocated memory is still 4.8 GB. Free memory is still 1.7 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 767]: 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: 542]: Loop Invariant Derived loop invariant: ((\old(pumpRunning) + 1 < \old(systemActive) || 2 * \old(systemActive) < 2) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: ((((((((((((((2 <= waterLevel + splverifierCounter && 2 * systemActive <= 2) && 0 <= tmp + splverifierCounter + 2147483648) && 1 <= pumpRunning + systemActive) && pumpRunning + waterLevel <= 2) && waterLevel + tmp <= 2147483649) && splverifierCounter + tmp___0 <= 2147483647) && 0 <= pumpRunning + tmp___0 + 2147483648) && tmp___2 <= systemActive + 2147483646) && 0 <= splverifierCounter + tmp___2 + 2147483648) && splverifierCounter == 0) || ((((1 <= waterLevel + splverifierCounter && pumpRunning + 1 <= systemActive) && systemActive + waterLevel <= 2) && pumpRunning == 0) && splverifierCounter == 0)) || \old(pumpRunning) + 1 < \old(systemActive)) || 2 * \old(systemActive) < 2) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 121 locations, 1 error locations. SAFE Result, 40.7s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 18.8s AutomataDifference, 0.0s DeadEndRemovalTime, 4.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 659 SDtfs, 583 SDslu, 1757 SDs, 0 SdLazy, 785 SolverSat, 150 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 155 GetRequests, 96 SyntacticMatches, 3 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 331 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=222occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.992556494944726 AbsIntWeakeningRatio, 1.0 AbsIntAvgWeakeningVarsNumRemoved, 7216.940594059406 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 298 PreInvPairs, 322 NumberOfFragments, 1992 HoareAnnotationTreeSize, 298 FomulaSimplifications, 2578 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 51 FomulaSimplificationsInter, 19672 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 379 NumberOfCodeBlocks, 379 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 373 ConstructedInterpolants, 0 QuantifiedInterpolants, 52009 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 29/33 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...