./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product13_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_fa36b09d-2442-4458-a561-1c15c57f75a8/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_fa36b09d-2442-4458-a561-1c15c57f75a8/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_fa36b09d-2442-4458-a561-1c15c57f75a8/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_fa36b09d-2442-4458-a561-1c15c57f75a8/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product13_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_fa36b09d-2442-4458-a561-1c15c57f75a8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_fa36b09d-2442-4458-a561-1c15c57f75a8/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 44f1ef45a377efa065428e9ab52d4697ba35b901 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 08:46:05,025 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 08:46:05,026 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 08:46:05,032 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 08:46:05,032 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 08:46:05,033 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 08:46:05,034 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 08:46:05,035 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 08:46:05,036 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 08:46:05,036 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 08:46:05,037 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 08:46:05,037 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 08:46:05,038 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 08:46:05,038 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 08:46:05,039 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 08:46:05,040 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 08:46:05,040 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 08:46:05,042 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 08:46:05,043 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 08:46:05,044 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 08:46:05,045 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 08:46:05,045 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 08:46:05,047 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 08:46:05,047 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 08:46:05,047 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 08:46:05,048 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 08:46:05,049 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 08:46:05,049 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 08:46:05,050 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 08:46:05,051 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 08:46:05,051 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 08:46:05,051 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 08:46:05,051 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 08:46:05,052 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 08:46:05,052 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 08:46:05,053 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 08:46:05,053 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_fa36b09d-2442-4458-a561-1c15c57f75a8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-10 08:46:05,063 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 08:46:05,063 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 08:46:05,064 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 08:46:05,064 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 08:46:05,064 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 08:46:05,064 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 08:46:05,064 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 08:46:05,064 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 08:46:05,064 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 08:46:05,064 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 08:46:05,064 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 08:46:05,065 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 08:46:05,065 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 08:46:05,065 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 08:46:05,065 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 08:46:05,065 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 08:46:05,066 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 08:46:05,066 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 08:46:05,066 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 08:46:05,066 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 08:46:05,066 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 08:46:05,066 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 08:46:05,066 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 08:46:05,067 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 08:46:05,067 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 08:46:05,067 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 08:46:05,067 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 08:46:05,067 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 08:46:05,067 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 08:46:05,067 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 08:46:05,067 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 08:46:05,067 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 08:46:05,067 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 08:46:05,067 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 08:46:05,067 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_fa36b09d-2442-4458-a561-1c15c57f75a8/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 -> 44f1ef45a377efa065428e9ab52d4697ba35b901 [2018-11-10 08:46:05,089 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 08:46:05,097 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 08:46:05,099 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 08:46:05,099 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 08:46:05,100 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 08:46:05,100 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_fa36b09d-2442-4458-a561-1c15c57f75a8/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product13_true-unreach-call_false-termination.cil.c [2018-11-10 08:46:05,135 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fa36b09d-2442-4458-a561-1c15c57f75a8/bin-2019/utaipan/data/0411cb97a/1a8f8c9aa6454fa08d4669ac161df527/FLAGe0d6a08ad [2018-11-10 08:46:05,583 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 08:46:05,584 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_fa36b09d-2442-4458-a561-1c15c57f75a8/sv-benchmarks/c/product-lines/minepump_spec4_product13_true-unreach-call_false-termination.cil.c [2018-11-10 08:46:05,593 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_fa36b09d-2442-4458-a561-1c15c57f75a8/bin-2019/utaipan/data/0411cb97a/1a8f8c9aa6454fa08d4669ac161df527/FLAGe0d6a08ad [2018-11-10 08:46:05,604 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_fa36b09d-2442-4458-a561-1c15c57f75a8/bin-2019/utaipan/data/0411cb97a/1a8f8c9aa6454fa08d4669ac161df527 [2018-11-10 08:46:05,607 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 08:46:05,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 08:46:05,609 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 08:46:05,609 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 08:46:05,612 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 08:46:05,612 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:46:05" (1/1) ... [2018-11-10 08:46:05,615 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b52ac19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:46:05, skipping insertion in model container [2018-11-10 08:46:05,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 08:46:05" (1/1) ... [2018-11-10 08:46:05,622 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 08:46:05,654 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 08:46:05,843 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:46:05,850 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 08:46:05,901 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 08:46:05,916 INFO L193 MainTranslator]: Completed translation [2018-11-10 08:46:05,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:46:05 WrapperNode [2018-11-10 08:46:05,916 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 08:46:05,917 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 08:46:05,917 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 08:46:05,917 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 08:46:05,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:46:05" (1/1) ... [2018-11-10 08:46:05,974 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:46:05" (1/1) ... [2018-11-10 08:46:05,996 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 08:46:05,996 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 08:46:05,996 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 08:46:05,997 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 08:46:06,002 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:46:05" (1/1) ... [2018-11-10 08:46:06,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:46:05" (1/1) ... [2018-11-10 08:46:06,006 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:46:05" (1/1) ... [2018-11-10 08:46:06,006 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:46:05" (1/1) ... [2018-11-10 08:46:06,012 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:46:05" (1/1) ... [2018-11-10 08:46:06,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:46:05" (1/1) ... [2018-11-10 08:46:06,018 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:46:05" (1/1) ... [2018-11-10 08:46:06,020 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 08:46:06,021 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 08:46:06,021 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 08:46:06,021 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 08:46:06,022 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:46:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_fa36b09d-2442-4458-a561-1c15c57f75a8/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 08:46:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-10 08:46:06,067 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-10 08:46:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-10 08:46:06,067 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-10 08:46:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 08:46:06,067 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 08:46:06,067 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-10 08:46:06,068 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-10 08:46:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-10 08:46:06,068 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-10 08:46:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-10 08:46:06,068 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-10 08:46:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-10 08:46:06,068 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-10 08:46:06,068 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-10 08:46:06,068 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-10 08:46:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-10 08:46:06,069 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-10 08:46:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-10 08:46:06,069 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-10 08:46:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-10 08:46:06,069 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-10 08:46:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-10 08:46:06,069 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-10 08:46:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-10 08:46:06,070 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-10 08:46:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-10 08:46:06,070 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-10 08:46:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 08:46:06,070 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-10 08:46:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-10 08:46:06,070 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-10 08:46:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-10 08:46:06,071 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-10 08:46:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-10 08:46:06,071 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-10 08:46:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-10 08:46:06,071 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-10 08:46:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 08:46:06,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 08:46:06,071 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-10 08:46:06,071 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-10 08:46:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 08:46:06,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 08:46:06,072 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-10 08:46:06,072 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-10 08:46:06,577 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 08:46:06,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:46:06 BoogieIcfgContainer [2018-11-10 08:46:06,577 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 08:46:06,578 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 08:46:06,578 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 08:46:06,581 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 08:46:06,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 08:46:05" (1/3) ... [2018-11-10 08:46:06,582 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e46715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:46:06, skipping insertion in model container [2018-11-10 08:46:06,582 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 08:46:05" (2/3) ... [2018-11-10 08:46:06,583 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37e46715 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 08:46:06, skipping insertion in model container [2018-11-10 08:46:06,583 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:46:06" (3/3) ... [2018-11-10 08:46:06,585 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product13_true-unreach-call_false-termination.cil.c [2018-11-10 08:46:06,593 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 08:46:06,599 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-10 08:46:06,611 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-10 08:46:06,637 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 08:46:06,637 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 08:46:06,637 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 08:46:06,637 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 08:46:06,637 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 08:46:06,637 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 08:46:06,638 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 08:46:06,638 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 08:46:06,653 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2018-11-10 08:46:06,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-10 08:46:06,660 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:46:06,661 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 08:46:06,663 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:46:06,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:46:06,668 INFO L82 PathProgramCache]: Analyzing trace with hash 426106677, now seen corresponding path program 1 times [2018-11-10 08:46:06,670 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 08:46:06,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:06,705 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:46:06,705 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:06,705 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 08:46:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:46:06,867 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 08:46:06,869 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 08:46:06,869 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 08:46:06,869 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 08:46:06,874 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-10 08:46:06,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-10 08:46:06,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-10 08:46:06,887 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2018-11-10 08:46:06,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:46:06,914 INFO L93 Difference]: Finished difference Result 208 states and 257 transitions. [2018-11-10 08:46:06,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-10 08:46:06,916 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-10 08:46:06,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:46:06,925 INFO L225 Difference]: With dead ends: 208 [2018-11-10 08:46:06,925 INFO L226 Difference]: Without dead ends: 104 [2018-11-10 08:46:06,929 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 08:46:06,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-11-10 08:46:06,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-11-10 08:46:06,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-11-10 08:46:06,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 120 transitions. [2018-11-10 08:46:06,971 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 120 transitions. Word has length 46 [2018-11-10 08:46:06,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:46:06,971 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 120 transitions. [2018-11-10 08:46:06,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-10 08:46:06,971 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 120 transitions. [2018-11-10 08:46:06,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 08:46:06,974 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:46:06,974 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 08:46:06,974 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:46:06,974 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:46:06,975 INFO L82 PathProgramCache]: Analyzing trace with hash 44024155, now seen corresponding path program 1 times [2018-11-10 08:46:06,975 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 08:46:06,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:06,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:46:06,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:06,976 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 08:46:07,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:46:07,049 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 08:46:07,050 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 08:46:07,050 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 08:46:07,050 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 08:46:07,051 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 08:46:07,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 08:46:07,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 08:46:07,052 INFO L87 Difference]: Start difference. First operand 104 states and 120 transitions. Second operand 3 states. [2018-11-10 08:46:07,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:46:07,070 INFO L93 Difference]: Finished difference Result 155 states and 177 transitions. [2018-11-10 08:46:07,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 08:46:07,070 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-10 08:46:07,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:46:07,072 INFO L225 Difference]: With dead ends: 155 [2018-11-10 08:46:07,072 INFO L226 Difference]: Without dead ends: 94 [2018-11-10 08:46:07,073 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 08:46:07,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-11-10 08:46:07,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-11-10 08:46:07,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-11-10 08:46:07,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 107 transitions. [2018-11-10 08:46:07,081 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 107 transitions. Word has length 48 [2018-11-10 08:46:07,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:46:07,081 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 107 transitions. [2018-11-10 08:46:07,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 08:46:07,081 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 107 transitions. [2018-11-10 08:46:07,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-10 08:46:07,082 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:46:07,083 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] [2018-11-10 08:46:07,083 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:46:07,083 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:46:07,083 INFO L82 PathProgramCache]: Analyzing trace with hash -560425915, now seen corresponding path program 1 times [2018-11-10 08:46:07,083 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 08:46:07,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:07,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:46:07,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:07,085 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 08:46:07,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:46:07,207 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 08:46:07,207 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 08:46:07,208 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-10 08:46:07,208 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 08:46:07,208 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-10 08:46:07,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-10 08:46:07,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-10 08:46:07,208 INFO L87 Difference]: Start difference. First operand 94 states and 107 transitions. Second operand 7 states. [2018-11-10 08:46:07,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:46:07,435 INFO L93 Difference]: Finished difference Result 164 states and 191 transitions. [2018-11-10 08:46:07,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 08:46:07,436 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-10 08:46:07,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:46:07,437 INFO L225 Difference]: With dead ends: 164 [2018-11-10 08:46:07,438 INFO L226 Difference]: Without dead ends: 94 [2018-11-10 08:46:07,438 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-10 08:46:07,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-11-10 08:46:07,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-11-10 08:46:07,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-11-10 08:46:07,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 106 transitions. [2018-11-10 08:46:07,448 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 106 transitions. Word has length 52 [2018-11-10 08:46:07,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:46:07,448 INFO L481 AbstractCegarLoop]: Abstraction has 94 states and 106 transitions. [2018-11-10 08:46:07,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-10 08:46:07,449 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 106 transitions. [2018-11-10 08:46:07,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 08:46:07,450 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:46:07,450 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] [2018-11-10 08:46:07,450 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:46:07,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:46:07,451 INFO L82 PathProgramCache]: Analyzing trace with hash 1829667145, now seen corresponding path program 1 times [2018-11-10 08:46:07,451 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 08:46:07,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:07,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:46:07,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:07,452 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 08:46:07,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:46:07,601 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 08:46:07,601 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 08:46:07,602 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-10 08:46:07,602 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 08:46:07,602 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-10 08:46:07,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-10 08:46:07,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-10 08:46:07,603 INFO L87 Difference]: Start difference. First operand 94 states and 106 transitions. Second operand 10 states. [2018-11-10 08:46:08,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:46:08,053 INFO L93 Difference]: Finished difference Result 284 states and 345 transitions. [2018-11-10 08:46:08,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-10 08:46:08,055 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 60 [2018-11-10 08:46:08,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:46:08,058 INFO L225 Difference]: With dead ends: 284 [2018-11-10 08:46:08,058 INFO L226 Difference]: Without dead ends: 214 [2018-11-10 08:46:08,059 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 08:46:08,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2018-11-10 08:46:08,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 210. [2018-11-10 08:46:08,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2018-11-10 08:46:08,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 246 transitions. [2018-11-10 08:46:08,079 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 246 transitions. Word has length 60 [2018-11-10 08:46:08,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:46:08,079 INFO L481 AbstractCegarLoop]: Abstraction has 210 states and 246 transitions. [2018-11-10 08:46:08,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-10 08:46:08,080 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 246 transitions. [2018-11-10 08:46:08,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-11-10 08:46:08,081 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:46:08,081 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] [2018-11-10 08:46:08,082 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:46:08,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:46:08,082 INFO L82 PathProgramCache]: Analyzing trace with hash 691508879, now seen corresponding path program 1 times [2018-11-10 08:46:08,082 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 08:46:08,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:08,083 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:46:08,083 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:08,083 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 08:46:08,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:46:08,133 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 08:46:08,133 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 08:46:08,133 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 08:46:08,133 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 08:46:08,134 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 08:46:08,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 08:46:08,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 08:46:08,134 INFO L87 Difference]: Start difference. First operand 210 states and 246 transitions. Second operand 3 states. [2018-11-10 08:46:08,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:46:08,149 INFO L93 Difference]: Finished difference Result 338 states and 406 transitions. [2018-11-10 08:46:08,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 08:46:08,150 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 64 [2018-11-10 08:46:08,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:46:08,151 INFO L225 Difference]: With dead ends: 338 [2018-11-10 08:46:08,151 INFO L226 Difference]: Without dead ends: 152 [2018-11-10 08:46:08,152 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 08:46:08,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-11-10 08:46:08,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-11-10 08:46:08,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-11-10 08:46:08,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 170 transitions. [2018-11-10 08:46:08,163 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 170 transitions. Word has length 64 [2018-11-10 08:46:08,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:46:08,163 INFO L481 AbstractCegarLoop]: Abstraction has 152 states and 170 transitions. [2018-11-10 08:46:08,163 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 08:46:08,164 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 170 transitions. [2018-11-10 08:46:08,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-10 08:46:08,165 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 08:46:08,165 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 08:46:08,165 INFO L424 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-10 08:46:08,165 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:46:08,166 INFO L82 PathProgramCache]: Analyzing trace with hash 1400651209, now seen corresponding path program 1 times [2018-11-10 08:46:08,166 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 08:46:08,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:08,166 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 08:46:08,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 08:46:08,167 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 08:46:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 08:46:08,261 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 08:46:08,261 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 08:46:08,262 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 08:46:08,262 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 101 with the following transitions: [2018-11-10 08:46:08,264 INFO L202 CegarAbsIntRunner]: [2], [17], [20], [21], [22], [23], [24], [28], [34], [38], [42], [45], [50], [56], [58], [61], [76], [78], [81], [83], [86], [92], [94], [95], [99], [102], [110], [111], [112], [113], [114], [115], [116], [158], [162], [168], [176], [180], [183], [187], [188], [203], [204], [205], [206], [209], [210], [213], [214], [215], [216], [217], [219], [220], [221], [222], [223], [224], [225], [226], [227], [235], [236], [237], [238], [239], [240], [241], [243] [2018-11-10 08:46:08,307 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 08:46:08,307 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 08:46:14,605 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 08:46:14,606 INFO L272 AbstractInterpreter]: Visited 61 different actions 70 times. Merged at 6 different actions 6 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 132 variables. [2018-11-10 08:46:14,628 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 08:46:14,628 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 08:46:23,368 INFO L227 lantSequenceWeakener]: Weakened 91 states. On average, predicates are now at 97.33% of their original sizes. [2018-11-10 08:46:23,368 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 08:46:23,824 INFO L415 sIntCurrentIteration]: We unified 99 AI predicates to 99 [2018-11-10 08:46:23,825 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 08:46:23,825 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 08:46:23,825 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [23] imperfect sequences [7] total 28 [2018-11-10 08:46:23,825 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 08:46:23,826 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-11-10 08:46:23,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-11-10 08:46:23,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=415, Unknown=0, NotChecked=0, Total=506 [2018-11-10 08:46:23,826 INFO L87 Difference]: Start difference. First operand 152 states and 170 transitions. Second operand 23 states. [2018-11-10 08:46:40,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 08:46:40,572 INFO L93 Difference]: Finished difference Result 201 states and 228 transitions. [2018-11-10 08:46:40,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-10 08:46:40,572 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 100 [2018-11-10 08:46:40,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 08:46:40,573 INFO L225 Difference]: With dead ends: 201 [2018-11-10 08:46:40,573 INFO L226 Difference]: Without dead ends: 0 [2018-11-10 08:46:40,574 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 104 GetRequests, 76 SyntacticMatches, 2 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 240 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=140, Invalid=616, Unknown=0, NotChecked=0, Total=756 [2018-11-10 08:46:40,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-10 08:46:40,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-10 08:46:40,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-10 08:46:40,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-10 08:46:40,575 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 100 [2018-11-10 08:46:40,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 08:46:40,575 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-10 08:46:40,575 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-11-10 08:46:40,575 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-10 08:46:40,575 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 08:46:40,578 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-10 08:46:40,990 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 32 [2018-11-10 08:46:41,437 WARN L179 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 57 [2018-11-10 08:46:41,850 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 32 [2018-11-10 08:46:42,546 WARN L179 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 49 [2018-11-10 08:46:43,219 WARN L179 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 51 [2018-11-10 08:46:43,440 WARN L179 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 26 [2018-11-10 08:46:43,719 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 41 [2018-11-10 08:46:44,002 WARN L179 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 54 [2018-11-10 08:46:44,003 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 717 724) the Hoare annotation is: true [2018-11-10 08:46:44,004 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 717 724) no Hoare annotation was computed. [2018-11-10 08:46:44,004 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 717 724) no Hoare annotation was computed. [2018-11-10 08:46:44,004 INFO L421 ceAbstractionStarter]: At program point L673(line 673) 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 08:46:44,004 INFO L425 ceAbstractionStarter]: For program point L673-1(line 673) no Hoare annotation was computed. [2018-11-10 08:46:44,004 INFO L425 ceAbstractionStarter]: For program point L671(lines 671 688) no Hoare annotation was computed. [2018-11-10 08:46:44,004 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 667 691) no Hoare annotation was computed. [2018-11-10 08:46:44,004 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 667 691) 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 08:46:44,004 INFO L421 ceAbstractionStarter]: At program point L686(line 686) 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 08:46:44,005 INFO L425 ceAbstractionStarter]: For program point L686-1(lines 667 691) no Hoare annotation was computed. [2018-11-10 08:46:44,005 INFO L421 ceAbstractionStarter]: At program point L681(line 681) 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 08:46:44,005 INFO L421 ceAbstractionStarter]: At program point L677(line 677) 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 08:46:44,005 INFO L425 ceAbstractionStarter]: For program point L675(lines 675 683) no Hoare annotation was computed. [2018-11-10 08:46:44,005 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 865 871) the Hoare annotation is: true [2018-11-10 08:46:44,005 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 865 871) no Hoare annotation was computed. [2018-11-10 08:46:44,005 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 872 880) no Hoare annotation was computed. [2018-11-10 08:46:44,005 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 872 880) the Hoare annotation is: true [2018-11-10 08:46:44,005 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 872 880) no Hoare annotation was computed. [2018-11-10 08:46:44,005 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 782 845) the Hoare annotation is: (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 08:46:44,006 INFO L425 ceAbstractionStarter]: For program point L828(lines 828 832) no Hoare annotation was computed. [2018-11-10 08:46:44,006 INFO L421 ceAbstractionStarter]: At program point L828-2(lines 822 833) the Hoare annotation is: (let ((.cse0 (let ((.cse3 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse4 (+ ~waterLevel~0 test_~splverifierCounter~0)) (.cse5 (<= (+ ~pumpRunning~0 test_~tmp~7) 2147483647)) (.cse6 (<= 0 (+ test_~tmp~7 test_~splverifierCounter~0 2147483648)))) (or (and (<= 1 .cse3) (<= .cse4 1) .cse5 .cse6) (and (<= 2 .cse3) (<= .cse4 2) .cse5 .cse6)))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= (+ ~systemActive~0 ~waterLevel~0) 2) .cse1 .cse2) (and (<= test_~tmp___0~1 (+ ~pumpRunning~0 2147483647)) .cse0 (<= 0 (+ ~waterLevel~0 test_~tmp___0~1 2147483646)) .cse1 (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)) (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) .cse2) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|)))) [2018-11-10 08:46:44,006 INFO L425 ceAbstractionStarter]: For program point L793(lines 792 837) no Hoare annotation was computed. [2018-11-10 08:46:44,006 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 782 845) no Hoare annotation was computed. [2018-11-10 08:46:44,006 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 833) no Hoare annotation was computed. [2018-11-10 08:46:44,006 INFO L421 ceAbstractionStarter]: At program point L814(line 814) the Hoare annotation is: (let ((.cse0 (let ((.cse3 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse4 (+ ~waterLevel~0 test_~splverifierCounter~0)) (.cse5 (<= (+ ~pumpRunning~0 test_~tmp~7) 2147483647)) (.cse6 (<= 0 (+ test_~tmp~7 test_~splverifierCounter~0 2147483648)))) (or (and (<= 1 .cse3) (<= .cse4 1) .cse5 .cse6) (and (<= 2 .cse3) (<= .cse4 2) .cse5 .cse6)))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (<= test_~tmp___0~1 (+ ~pumpRunning~0 2147483647)) .cse0 (<= 0 (+ ~waterLevel~0 test_~tmp___0~1 2147483646)) .cse1 .cse2) (and .cse0 (<= (+ ~systemActive~0 ~waterLevel~0) 2) .cse1 .cse2) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|)))) [2018-11-10 08:46:44,006 INFO L425 ceAbstractionStarter]: For program point L812(lines 812 818) no Hoare annotation was computed. [2018-11-10 08:46:44,006 INFO L425 ceAbstractionStarter]: For program point L812-1(lines 812 818) no Hoare annotation was computed. [2018-11-10 08:46:44,006 INFO L421 ceAbstractionStarter]: At program point L804(line 804) the Hoare annotation is: (let ((.cse4 (* 2 ~systemActive~0)) (.cse1 (+ ~systemActive~0 ~waterLevel~0))) (let ((.cse0 (let ((.cse5 (+ ~pumpRunning~0 ~waterLevel~0)) (.cse6 (<= (+ ~pumpRunning~0 test_~tmp~7) 2147483647)) (.cse7 (<= 0 (+ test_~tmp~7 test_~splverifierCounter~0 2147483648)))) (or (and (<= ~systemActive~0 ~waterLevel~0) (<= 1 .cse5) (<= ~waterLevel~0 ~systemActive~0) (<= (+ ~waterLevel~0 test_~splverifierCounter~0) 1) .cse6 .cse7) (and (<= 2 .cse4) (<= .cse1 3) (<= 2 .cse5) .cse6 .cse7)))) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (and .cse0 (<= .cse1 2) .cse2 .cse3) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< .cse4 2) (and (<= test_~tmp___0~1 (+ ~pumpRunning~0 2147483647)) .cse0 (<= 0 (+ ~waterLevel~0 test_~tmp___0~1 2147483646)) .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 08:46:44,007 INFO L421 ceAbstractionStarter]: At program point L835(lines 792 837) the Hoare annotation is: (let ((.cse0 (+ ~waterLevel~0 test_~splverifierCounter~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= test_~splverifierCounter~0 0))) (or (and (<= 1 .cse0) (<= (+ ~systemActive~0 ~waterLevel~0) 2) .cse1 .cse2) (and (<= test_~tmp___0~1 (+ ~pumpRunning~0 2147483647)) (and (<= 2 (+ ~pumpRunning~0 ~waterLevel~0)) (<= .cse0 2) (<= (+ ~pumpRunning~0 test_~tmp~7) 2147483647) (<= 0 (+ test_~tmp~7 test_~splverifierCounter~0 2147483648))) (<= 0 (+ ~waterLevel~0 test_~tmp___0~1 2147483646)) .cse1 (<= test_~tmp___2~0 (+ ~systemActive~0 2147483646)) (<= 0 (+ test_~splverifierCounter~0 test_~tmp___2~0 2147483648)) .cse2) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|)))) [2018-11-10 08:46:44,007 INFO L425 ceAbstractionStarter]: For program point L802(lines 802 808) no Hoare annotation was computed. [2018-11-10 08:46:44,007 INFO L425 ceAbstractionStarter]: For program point L802-1(lines 802 808) no Hoare annotation was computed. [2018-11-10 08:46:44,007 INFO L425 ceAbstractionStarter]: For program point L794(lines 794 798) no Hoare annotation was computed. [2018-11-10 08:46:44,007 INFO L425 ceAbstractionStarter]: For program point L792-1(lines 792 837) no Hoare annotation was computed. [2018-11-10 08:46:44,007 INFO L421 ceAbstractionStarter]: At program point L838(lines 791 839) the Hoare annotation is: (or (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 08:46:44,007 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 782 845) no Hoare annotation was computed. [2018-11-10 08:46:44,007 INFO L421 ceAbstractionStarter]: At program point L512(line 512) 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 08:46:44,007 INFO L425 ceAbstractionStarter]: For program point L512-1(line 512) no Hoare annotation was computed. [2018-11-10 08:46:44,007 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 502 526) the Hoare annotation is: true [2018-11-10 08:46:44,007 INFO L425 ceAbstractionStarter]: For program point L510(lines 510 523) no Hoare annotation was computed. [2018-11-10 08:46:44,008 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 502 526) no Hoare annotation was computed. [2018-11-10 08:46:44,008 INFO L428 ceAbstractionStarter]: At program point L508(line 508) the Hoare annotation is: true [2018-11-10 08:46:44,008 INFO L425 ceAbstractionStarter]: For program point L508-1(line 508) no Hoare annotation was computed. [2018-11-10 08:46:44,008 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 502 526) no Hoare annotation was computed. [2018-11-10 08:46:44,008 INFO L421 ceAbstractionStarter]: At program point L516(line 516) 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 08:46:44,008 INFO L425 ceAbstractionStarter]: For program point L514(lines 514 520) no Hoare annotation was computed. [2018-11-10 08:46:44,008 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 606 628) the Hoare annotation is: (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 08:46:44,008 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 606 628) no Hoare annotation was computed. [2018-11-10 08:46:44,008 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 606 628) no Hoare annotation was computed. [2018-11-10 08:46:44,008 INFO L421 ceAbstractionStarter]: At program point L618(line 618) the Hoare annotation is: (or (and (= main_~tmp~4 ~systemActive~0) (<= main_~tmp~4 ~waterLevel~0) (<= ~waterLevel~0 main_~tmp~4) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 08:46:44,009 INFO L421 ceAbstractionStarter]: At program point L618-1(line 618) the Hoare annotation is: (or (and (= main_~tmp~4 ~systemActive~0) (<= main_~tmp~4 ~waterLevel~0) (<= ~waterLevel~0 main_~tmp~4) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 08:46:44,009 INFO L425 ceAbstractionStarter]: For program point L616(lines 616 623) no Hoare annotation was computed. [2018-11-10 08:46:44,009 INFO L425 ceAbstractionStarter]: For program point L616-1(lines 616 623) no Hoare annotation was computed. [2018-11-10 08:46:44,009 INFO L425 ceAbstractionStarter]: For program point L614(line 614) no Hoare annotation was computed. [2018-11-10 08:46:44,009 INFO L421 ceAbstractionStarter]: At program point L613(line 613) the Hoare annotation is: (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 08:46:44,009 INFO L421 ceAbstractionStarter]: At program point L612(line 612) the Hoare annotation is: (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 08:46:44,009 INFO L421 ceAbstractionStarter]: At program point L612-1(line 612) the Hoare annotation is: (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 08:46:44,009 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 659 665) no Hoare annotation was computed. [2018-11-10 08:46:44,009 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 659 665) the Hoare annotation is: true [2018-11-10 08:46:44,009 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 736 744) no Hoare annotation was computed. [2018-11-10 08:46:44,009 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 736 744) the Hoare annotation is: true [2018-11-10 08:46:44,009 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 736 744) no Hoare annotation was computed. [2018-11-10 08:46:44,010 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-10 08:46:44,010 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-11-10 08:46:44,010 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-10 08:46:44,010 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 116 124) the Hoare annotation is: true [2018-11-10 08:46:44,010 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 116 124) no Hoare annotation was computed. [2018-11-10 08:46:44,010 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 116 124) no Hoare annotation was computed. [2018-11-10 08:46:44,010 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 72 83) the Hoare annotation is: true [2018-11-10 08:46:44,010 INFO L425 ceAbstractionStarter]: For program point L76-1(lines 72 83) no Hoare annotation was computed. [2018-11-10 08:46:44,010 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 72 83) no Hoare annotation was computed. [2018-11-10 08:46:44,010 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 84 92) the Hoare annotation is: true [2018-11-10 08:46:44,010 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 84 92) no Hoare annotation was computed. [2018-11-10 08:46:44,010 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 84 92) no Hoare annotation was computed. [2018-11-10 08:46:44,010 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 530 559) no Hoare annotation was computed. [2018-11-10 08:46:44,010 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-10 08:46:44,011 INFO L425 ceAbstractionStarter]: For program point L544(lines 544 548) no Hoare annotation was computed. [2018-11-10 08:46:44,011 INFO L428 ceAbstractionStarter]: At program point L544-1(lines 544 548) the Hoare annotation is: true [2018-11-10 08:46:44,011 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 530 559) the Hoare annotation is: true [2018-11-10 08:46:44,011 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 540 554) no Hoare annotation was computed. [2018-11-10 08:46:44,011 INFO L428 ceAbstractionStarter]: At program point L540-3(lines 540 554) the Hoare annotation is: true [2018-11-10 08:46:44,011 INFO L428 ceAbstractionStarter]: At program point L536(line 536) the Hoare annotation is: true [2018-11-10 08:46:44,011 INFO L425 ceAbstractionStarter]: For program point L536-1(line 536) no Hoare annotation was computed. [2018-11-10 08:46:44,011 INFO L428 ceAbstractionStarter]: At program point L555(lines 530 559) the Hoare annotation is: true [2018-11-10 08:46:44,011 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-10 08:46:44,011 INFO L421 ceAbstractionStarter]: At program point L641(line 641) 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 08:46:44,011 INFO L425 ceAbstractionStarter]: For program point L639(lines 638 657) no Hoare annotation was computed. [2018-11-10 08:46:44,012 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 635 658) 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 08:46:44,012 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 635 658) no Hoare annotation was computed. [2018-11-10 08:46:44,012 INFO L421 ceAbstractionStarter]: At program point L648(line 648) 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 08:46:44,012 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 635 658) no Hoare annotation was computed. [2018-11-10 08:46:44,012 INFO L421 ceAbstractionStarter]: At program point L646(lines 646 652) 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 08:46:44,012 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 48 59) the Hoare annotation is: true [2018-11-10 08:46:44,012 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 48 59) no Hoare annotation was computed. [2018-11-10 08:46:44,012 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 48 59) no Hoare annotation was computed. [2018-11-10 08:46:44,012 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 858 864) no Hoare annotation was computed. [2018-11-10 08:46:44,013 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 858 864) the Hoare annotation is: true [2018-11-10 08:46:44,013 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-10 08:46:44,013 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 08:46:44,013 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-10 08:46:44,013 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-10 08:46:44,013 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 585 591) no Hoare annotation was computed. [2018-11-10 08:46:44,013 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 585 591) the Hoare annotation is: true [2018-11-10 08:46:44,013 INFO L425 ceAbstractionStarter]: For program point L64-1(lines 60 71) no Hoare annotation was computed. [2018-11-10 08:46:44,013 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 60 71) no Hoare annotation was computed. [2018-11-10 08:46:44,013 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 60 71) 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 08:46:44,013 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 492 499) no Hoare annotation was computed. [2018-11-10 08:46:44,014 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 496) no Hoare annotation was computed. [2018-11-10 08:46:44,014 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 492 499) the Hoare annotation is: true [2018-11-10 08:46:44,014 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 492 499) no Hoare annotation was computed. [2018-11-10 08:46:44,014 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 593 602) the Hoare annotation is: (or (and (<= 1 (+ ~pumpRunning~0 ~waterLevel~0)) (<= (+ ~systemActive~0 ~waterLevel~0) 2) (= ~pumpRunning~0 0)) (< (+ |old(~pumpRunning~0)| 1) ~systemActive~0) (< (* 2 ~systemActive~0) 2) (not (= |old(~waterLevel~0)| 1)) (< 0 (* 2 |old(~pumpRunning~0)|))) [2018-11-10 08:46:44,014 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 593 602) no Hoare annotation was computed. [2018-11-10 08:46:44,014 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 593 602) no Hoare annotation was computed. [2018-11-10 08:46:44,014 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 725 735) the Hoare annotation is: true [2018-11-10 08:46:44,014 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 725 735) no Hoare annotation was computed. [2018-11-10 08:46:44,014 INFO L428 ceAbstractionStarter]: At program point L730(line 730) the Hoare annotation is: true [2018-11-10 08:46:44,014 INFO L425 ceAbstractionStarter]: For program point L730-1(line 730) no Hoare annotation was computed. [2018-11-10 08:46:44,014 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 725 735) no Hoare annotation was computed. [2018-11-10 08:46:44,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 08:46:44 BoogieIcfgContainer [2018-11-10 08:46:44,028 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 08:46:44,028 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 08:46:44,028 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 08:46:44,028 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 08:46:44,029 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 08:46:06" (3/4) ... [2018-11-10 08:46:44,031 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 08:46:44,037 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-10 08:46:44,037 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-10 08:46:44,037 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-10 08:46:44,037 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-10 08:46:44,038 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-10 08:46:44,038 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-10 08:46:44,038 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-10 08:46:44,038 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-10 08:46:44,038 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-10 08:46:44,038 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-10 08:46:44,038 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-10 08:46:44,038 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-10 08:46:44,038 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-10 08:46:44,038 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-10 08:46:44,038 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-10 08:46:44,038 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-10 08:46:44,038 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-10 08:46:44,039 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-10 08:46:44,039 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-10 08:46:44,039 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-10 08:46:44,039 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-10 08:46:44,039 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-10 08:46:44,049 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 139 nodes and edges [2018-11-10 08:46:44,050 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-11-10 08:46:44,050 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-11-10 08:46:44,069 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= waterLevel + splverifierCounter && systemActive + waterLevel <= 2) && pumpRunning == 0) && splverifierCounter == 0) || ((((((tmp___0 <= pumpRunning + 2147483647 && ((2 <= pumpRunning + waterLevel && waterLevel + splverifierCounter <= 2) && pumpRunning + tmp <= 2147483647) && 0 <= tmp + splverifierCounter + 2147483648) && 0 <= waterLevel + tmp___0 + 2147483646) && pumpRunning == 0) && tmp___2 <= systemActive + 2147483646) && 0 <= splverifierCounter + tmp___2 + 2147483648) && splverifierCounter == 0)) || \old(pumpRunning) + 1 < systemActive) || 2 * systemActive < 2) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) [2018-11-10 08:46:44,070 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((\old(pumpRunning) + 1 < systemActive || 2 * systemActive < 2) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) [2018-11-10 08:46:44,104 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_fa36b09d-2442-4458-a561-1c15c57f75a8/bin-2019/utaipan/witness.graphml [2018-11-10 08:46:44,104 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 08:46:44,105 INFO L168 Benchmark]: Toolchain (without parser) took 38497.70 ms. Allocated memory was 1.0 GB in the beginning and 4.5 GB in the end (delta: 3.5 GB). Free memory was 959.2 MB in the beginning and 4.1 GB in the end (delta: -3.1 GB). Peak memory consumption was 342.2 MB. Max. memory is 11.5 GB. [2018-11-10 08:46:44,105 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 08:46:44,105 INFO L168 Benchmark]: CACSL2BoogieTranslator took 307.63 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 935.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-11-10 08:46:44,106 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 935.1 MB in the beginning and 1.1 GB in the end (delta: -196.3 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. [2018-11-10 08:46:44,106 INFO L168 Benchmark]: Boogie Preprocessor took 24.31 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 08:46:44,106 INFO L168 Benchmark]: RCFGBuilder took 556.40 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: 86.9 MB). Peak memory consumption was 86.9 MB. Max. memory is 11.5 GB. [2018-11-10 08:46:44,106 INFO L168 Benchmark]: TraceAbstraction took 37449.75 ms. Allocated memory was 1.2 GB in the beginning and 4.5 GB in the end (delta: 3.3 GB). Free memory was 1.0 GB in the beginning and 4.1 GB in the end (delta: -3.0 GB). Peak memory consumption was 3.6 GB. Max. memory is 11.5 GB. [2018-11-10 08:46:44,107 INFO L168 Benchmark]: Witness Printer took 76.42 ms. Allocated memory is still 4.5 GB. Free memory was 4.1 GB in the beginning and 4.1 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. [2018-11-10 08:46:44,108 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 307.63 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 935.1 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 79.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 935.1 MB in the beginning and 1.1 GB in the end (delta: -196.3 MB). Peak memory consumption was 16.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.31 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 556.40 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: 86.9 MB). Peak memory consumption was 86.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 37449.75 ms. Allocated memory was 1.2 GB in the beginning and 4.5 GB in the end (delta: 3.3 GB). Free memory was 1.0 GB in the beginning and 4.1 GB in the end (delta: -3.0 GB). Peak memory consumption was 3.6 GB. Max. memory is 11.5 GB. * Witness Printer took 76.42 ms. Allocated memory is still 4.5 GB. Free memory was 4.1 GB in the beginning and 4.1 GB in the end (delta: 24 B). Peak memory consumption was 24 B. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 496]: 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: 530]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 792]: Loop Invariant Derived loop invariant: (((((((1 <= waterLevel + splverifierCounter && systemActive + waterLevel <= 2) && pumpRunning == 0) && splverifierCounter == 0) || ((((((tmp___0 <= pumpRunning + 2147483647 && ((2 <= pumpRunning + waterLevel && waterLevel + splverifierCounter <= 2) && pumpRunning + tmp <= 2147483647) && 0 <= tmp + splverifierCounter + 2147483648) && 0 <= waterLevel + tmp___0 + 2147483646) && pumpRunning == 0) && tmp___2 <= systemActive + 2147483646) && 0 <= splverifierCounter + tmp___2 + 2147483648) && splverifierCounter == 0)) || \old(pumpRunning) + 1 < systemActive) || 2 * systemActive < 2) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) - InvariantResult [Line: 791]: Loop Invariant Derived loop invariant: ((\old(pumpRunning) + 1 < systemActive || 2 * systemActive < 2) || !(\old(waterLevel) == 1)) || 0 < 2 * \old(pumpRunning) - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 23 procedures, 117 locations, 1 error locations. SAFE Result, 37.3s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 17.5s AutomataDifference, 0.0s DeadEndRemovalTime, 3.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 632 SDtfs, 476 SDslu, 1718 SDs, 0 SdLazy, 791 SolverSat, 89 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.4s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 149 GetRequests, 93 SyntacticMatches, 3 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 282 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=210occurred 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, 0.9925516870402653 AbsIntWeakeningRatio, 1.0 AbsIntAvgWeakeningVarsNumRemoved, 7141.525252525253 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 49 LocationsWithAnnotation, 280 PreInvPairs, 295 NumberOfFragments, 1629 HoareAnnotationTreeSize, 280 FomulaSimplifications, 1447 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 49 FomulaSimplificationsInter, 14101 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 370 NumberOfCodeBlocks, 370 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 364 ConstructedInterpolants, 0 QuantifiedInterpolants, 49062 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 28/32 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...