./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product18_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_acf9bfef-0af5-428e-ae66-f12cae0f4901/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_acf9bfef-0af5-428e-ae66-f12cae0f4901/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_acf9bfef-0af5-428e-ae66-f12cae0f4901/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_acf9bfef-0af5-428e-ae66-f12cae0f4901/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product18_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_acf9bfef-0af5-428e-ae66-f12cae0f4901/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_acf9bfef-0af5-428e-ae66-f12cae0f4901/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 e9c38241666ec2c9dc2056ce7724b5bdf9baff18 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 22:32:29,873 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 22:32:29,874 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 22:32:29,883 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 22:32:29,883 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 22:32:29,884 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 22:32:29,885 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 22:32:29,886 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 22:32:29,888 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 22:32:29,889 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 22:32:29,889 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 22:32:29,889 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 22:32:29,890 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 22:32:29,891 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 22:32:29,892 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 22:32:29,893 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 22:32:29,893 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 22:32:29,894 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 22:32:29,896 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 22:32:29,898 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 22:32:29,898 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 22:32:29,900 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 22:32:29,901 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 22:32:29,902 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 22:32:29,902 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 22:32:29,902 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 22:32:29,904 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 22:32:29,904 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 22:32:29,905 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 22:32:29,906 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 22:32:29,906 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 22:32:29,907 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 22:32:29,907 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 22:32:29,907 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 22:32:29,908 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 22:32:29,908 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 22:32:29,909 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_acf9bfef-0af5-428e-ae66-f12cae0f4901/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 22:32:29,921 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 22:32:29,921 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 22:32:29,922 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 22:32:29,922 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 22:32:29,922 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 22:32:29,922 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 22:32:29,922 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 22:32:29,922 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 22:32:29,923 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 22:32:29,923 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 22:32:29,923 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 22:32:29,925 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 22:32:29,925 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 22:32:29,925 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 22:32:29,925 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 22:32:29,925 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 22:32:29,926 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 22:32:29,926 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 22:32:29,926 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 22:32:29,926 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 22:32:29,926 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 22:32:29,926 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 22:32:29,927 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 22:32:29,927 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 22:32:29,927 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 22:32:29,929 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 22:32:29,929 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 22:32:29,929 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 22:32:29,929 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 22:32:29,929 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 22:32:29,930 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 22:32:29,930 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 22:32:29,930 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 22:32:29,930 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 22:32:29,930 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_acf9bfef-0af5-428e-ae66-f12cae0f4901/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 -> e9c38241666ec2c9dc2056ce7724b5bdf9baff18 [2018-10-26 22:32:29,957 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 22:32:29,966 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 22:32:29,969 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 22:32:29,970 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 22:32:29,970 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 22:32:29,971 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_acf9bfef-0af5-428e-ae66-f12cae0f4901/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec1_product18_true-unreach-call_false-termination.cil.c [2018-10-26 22:32:30,014 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_acf9bfef-0af5-428e-ae66-f12cae0f4901/bin-2019/utaipan/data/031359173/39da3469c04c4c018ded07457d89a0f2/FLAG736c0dec7 [2018-10-26 22:32:30,490 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 22:32:30,494 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_acf9bfef-0af5-428e-ae66-f12cae0f4901/sv-benchmarks/c/product-lines/minepump_spec1_product18_true-unreach-call_false-termination.cil.c [2018-10-26 22:32:30,505 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_acf9bfef-0af5-428e-ae66-f12cae0f4901/bin-2019/utaipan/data/031359173/39da3469c04c4c018ded07457d89a0f2/FLAG736c0dec7 [2018-10-26 22:32:30,518 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_acf9bfef-0af5-428e-ae66-f12cae0f4901/bin-2019/utaipan/data/031359173/39da3469c04c4c018ded07457d89a0f2 [2018-10-26 22:32:30,520 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 22:32:30,522 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 22:32:30,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 22:32:30,523 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 22:32:30,529 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 22:32:30,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:32:30" (1/1) ... [2018-10-26 22:32:30,532 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49cb25ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:30, skipping insertion in model container [2018-10-26 22:32:30,533 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 10:32:30" (1/1) ... [2018-10-26 22:32:30,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 22:32:30,586 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 22:32:30,833 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:32:30,841 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 22:32:30,937 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 22:32:30,966 INFO L193 MainTranslator]: Completed translation [2018-10-26 22:32:30,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:30 WrapperNode [2018-10-26 22:32:30,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 22:32:30,967 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 22:32:30,969 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 22:32:30,969 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 22:32:30,975 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:30" (1/1) ... [2018-10-26 22:32:31,051 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:30" (1/1) ... [2018-10-26 22:32:31,092 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 22:32:31,092 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 22:32:31,092 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 22:32:31,092 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 22:32:31,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:30" (1/1) ... [2018-10-26 22:32:31,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:30" (1/1) ... [2018-10-26 22:32:31,104 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:30" (1/1) ... [2018-10-26 22:32:31,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:30" (1/1) ... [2018-10-26 22:32:31,113 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:30" (1/1) ... [2018-10-26 22:32:31,118 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:30" (1/1) ... [2018-10-26 22:32:31,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:30" (1/1) ... [2018-10-26 22:32:31,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 22:32:31,125 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 22:32:31,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 22:32:31,125 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 22:32:31,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_acf9bfef-0af5-428e-ae66-f12cae0f4901/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 [2018-10-26 22:32:31,172 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-10-26 22:32:31,173 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-10-26 22:32:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 22:32:31,173 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 22:32:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-10-26 22:32:31,173 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-10-26 22:32:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-10-26 22:32:31,173 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-10-26 22:32:31,173 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-10-26 22:32:31,174 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-10-26 22:32:31,174 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-10-26 22:32:31,174 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-10-26 22:32:31,174 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-10-26 22:32:31,174 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-10-26 22:32:31,174 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-10-26 22:32:31,174 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-10-26 22:32:31,174 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-10-26 22:32:31,174 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-10-26 22:32:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-10-26 22:32:31,175 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-10-26 22:32:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-10-26 22:32:31,175 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-10-26 22:32:31,175 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-10-26 22:32:31,177 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-10-26 22:32:31,177 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-10-26 22:32:31,178 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-10-26 22:32:31,178 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-10-26 22:32:31,178 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-10-26 22:32:31,178 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-10-26 22:32:31,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-10-26 22:32:31,178 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-10-26 22:32:31,178 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-10-26 22:32:31,178 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-10-26 22:32:31,178 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-10-26 22:32:31,179 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-10-26 22:32:31,179 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-10-26 22:32:31,179 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-10-26 22:32:31,179 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-10-26 22:32:31,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 22:32:31,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 22:32:31,179 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-10-26 22:32:31,179 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-10-26 22:32:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 22:32:31,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 22:32:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-10-26 22:32:31,180 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-10-26 22:32:31,180 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2018-10-26 22:32:31,180 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2018-10-26 22:32:32,182 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 22:32:32,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:32:32 BoogieIcfgContainer [2018-10-26 22:32:32,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 22:32:32,184 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 22:32:32,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 22:32:32,186 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 22:32:32,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 10:32:30" (1/3) ... [2018-10-26 22:32:32,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d82c96a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:32:32, skipping insertion in model container [2018-10-26 22:32:32,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 10:32:30" (2/3) ... [2018-10-26 22:32:32,188 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d82c96a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 10:32:32, skipping insertion in model container [2018-10-26 22:32:32,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:32:32" (3/3) ... [2018-10-26 22:32:32,190 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product18_true-unreach-call_false-termination.cil.c [2018-10-26 22:32:32,199 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 22:32:32,206 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 22:32:32,219 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 22:32:32,243 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 22:32:32,243 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 22:32:32,243 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 22:32:32,243 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 22:32:32,243 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 22:32:32,244 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 22:32:32,244 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 22:32:32,244 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 22:32:32,261 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2018-10-26 22:32:32,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-10-26 22:32:32,268 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:32:32,269 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] [2018-10-26 22:32:32,270 INFO L424 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:32:32,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:32:32,275 INFO L82 PathProgramCache]: Analyzing trace with hash 976712643, now seen corresponding path program 1 times [2018-10-26 22:32:32,278 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:32:32,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:32:32,316 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:32:32,316 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:32:32,316 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:32:32,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:32,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:32:32,489 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:32:32,489 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-26 22:32:32,489 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:32:32,498 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-10-26 22:32:32,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-10-26 22:32:32,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-10-26 22:32:32,513 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2018-10-26 22:32:32,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:32:32,549 INFO L93 Difference]: Finished difference Result 220 states and 271 transitions. [2018-10-26 22:32:32,549 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-10-26 22:32:32,550 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-10-26 22:32:32,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:32:32,561 INFO L225 Difference]: With dead ends: 220 [2018-10-26 22:32:32,561 INFO L226 Difference]: Without dead ends: 110 [2018-10-26 22:32:32,564 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 [2018-10-26 22:32:32,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-10-26 22:32:32,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-10-26 22:32:32,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-10-26 22:32:32,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 127 transitions. [2018-10-26 22:32:32,608 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 127 transitions. Word has length 46 [2018-10-26 22:32:32,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:32:32,609 INFO L481 AbstractCegarLoop]: Abstraction has 110 states and 127 transitions. [2018-10-26 22:32:32,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-10-26 22:32:32,609 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 127 transitions. [2018-10-26 22:32:32,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-10-26 22:32:32,612 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:32:32,612 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] [2018-10-26 22:32:32,612 INFO L424 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:32:32,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:32:32,613 INFO L82 PathProgramCache]: Analyzing trace with hash -207127318, now seen corresponding path program 1 times [2018-10-26 22:32:32,613 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:32:32,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:32:32,614 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:32:32,614 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:32:32,614 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:32:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:32,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:32:32,760 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:32:32,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-26 22:32:32,760 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:32:32,761 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-26 22:32:32,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-26 22:32:32,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-26 22:32:32,762 INFO L87 Difference]: Start difference. First operand 110 states and 127 transitions. Second operand 3 states. [2018-10-26 22:32:32,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:32:32,792 INFO L93 Difference]: Finished difference Result 163 states and 187 transitions. [2018-10-26 22:32:32,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-26 22:32:32,793 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-10-26 22:32:32,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:32:32,794 INFO L225 Difference]: With dead ends: 163 [2018-10-26 22:32:32,794 INFO L226 Difference]: Without dead ends: 100 [2018-10-26 22:32:32,795 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 [2018-10-26 22:32:32,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-10-26 22:32:32,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-10-26 22:32:32,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-10-26 22:32:32,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 114 transitions. [2018-10-26 22:32:32,807 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 114 transitions. Word has length 48 [2018-10-26 22:32:32,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:32:32,808 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 114 transitions. [2018-10-26 22:32:32,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-26 22:32:32,808 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 114 transitions. [2018-10-26 22:32:32,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-10-26 22:32:32,809 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:32:32,810 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:32:32,810 INFO L424 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:32:32,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:32:32,810 INFO L82 PathProgramCache]: Analyzing trace with hash 67754824, now seen corresponding path program 1 times [2018-10-26 22:32:32,810 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:32:32,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:32:32,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:32:32,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:32:32,816 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:32:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:33,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:32:33,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:32:33,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 22:32:33,018 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:32:33,018 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 22:32:33,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 22:32:33,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:32:33,019 INFO L87 Difference]: Start difference. First operand 100 states and 114 transitions. Second operand 7 states. [2018-10-26 22:32:33,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:32:33,484 INFO L93 Difference]: Finished difference Result 176 states and 205 transitions. [2018-10-26 22:32:33,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-26 22:32:33,485 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 53 [2018-10-26 22:32:33,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:32:33,486 INFO L225 Difference]: With dead ends: 176 [2018-10-26 22:32:33,487 INFO L226 Difference]: Without dead ends: 100 [2018-10-26 22:32:33,487 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-10-26 22:32:33,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-10-26 22:32:33,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-10-26 22:32:33,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-10-26 22:32:33,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 113 transitions. [2018-10-26 22:32:33,499 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 113 transitions. Word has length 53 [2018-10-26 22:32:33,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:32:33,499 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 113 transitions. [2018-10-26 22:32:33,500 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 22:32:33,500 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 113 transitions. [2018-10-26 22:32:33,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-10-26 22:32:33,501 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:32:33,501 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:32:33,501 INFO L424 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:32:33,502 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:32:33,502 INFO L82 PathProgramCache]: Analyzing trace with hash -1085579464, now seen corresponding path program 1 times [2018-10-26 22:32:33,502 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:32:33,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:32:33,503 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:32:33,503 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:32:33,503 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:32:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:33,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:32:33,613 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:32:33,613 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-26 22:32:33,613 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:32:33,614 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-26 22:32:33,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-26 22:32:33,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-26 22:32:33,614 INFO L87 Difference]: Start difference. First operand 100 states and 113 transitions. Second operand 6 states. [2018-10-26 22:32:34,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:32:34,149 INFO L93 Difference]: Finished difference Result 245 states and 288 transitions. [2018-10-26 22:32:34,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 22:32:34,151 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 61 [2018-10-26 22:32:34,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:32:34,154 INFO L225 Difference]: With dead ends: 245 [2018-10-26 22:32:34,154 INFO L226 Difference]: Without dead ends: 169 [2018-10-26 22:32:34,155 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-10-26 22:32:34,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-10-26 22:32:34,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 167. [2018-10-26 22:32:34,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-10-26 22:32:34,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 192 transitions. [2018-10-26 22:32:34,174 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 192 transitions. Word has length 61 [2018-10-26 22:32:34,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:32:34,175 INFO L481 AbstractCegarLoop]: Abstraction has 167 states and 192 transitions. [2018-10-26 22:32:34,175 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-26 22:32:34,175 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 192 transitions. [2018-10-26 22:32:34,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-10-26 22:32:34,177 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 22:32:34,177 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 22:32:34,177 INFO L424 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 22:32:34,177 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 22:32:34,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1103476628, now seen corresponding path program 1 times [2018-10-26 22:32:34,178 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 22:32:34,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:32:34,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 22:32:34,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 22:32:34,179 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 22:32:34,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 22:32:34,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 22:32:34,444 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 22:32:34,444 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-26 22:32:34,444 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 22:32:34,445 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-26 22:32:34,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-26 22:32:34,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-10-26 22:32:34,445 INFO L87 Difference]: Start difference. First operand 167 states and 192 transitions. Second operand 7 states. [2018-10-26 22:32:34,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 22:32:34,949 INFO L93 Difference]: Finished difference Result 265 states and 312 transitions. [2018-10-26 22:32:34,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-26 22:32:34,949 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-10-26 22:32:34,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 22:32:34,950 INFO L225 Difference]: With dead ends: 265 [2018-10-26 22:32:34,950 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 22:32:34,951 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-10-26 22:32:34,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 22:32:34,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 22:32:34,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 22:32:34,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 22:32:34,952 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 65 [2018-10-26 22:32:34,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 22:32:34,953 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 22:32:34,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-26 22:32:34,953 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 22:32:34,953 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 22:32:34,958 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 22:32:35,285 WARN L179 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 11 [2018-10-26 22:32:36,008 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 22 DAG size of output: 21 [2018-10-26 22:32:36,102 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 282 289) the Hoare annotation is: true [2018-10-26 22:32:36,102 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 282 289) no Hoare annotation was computed. [2018-10-26 22:32:36,103 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 282 289) no Hoare annotation was computed. [2018-10-26 22:32:36,103 INFO L425 ceAbstractionStarter]: For program point L257(lines 257 265) no Hoare annotation was computed. [2018-10-26 22:32:36,103 INFO L421 ceAbstractionStarter]: At program point L255(line 255) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 22:32:36,103 INFO L425 ceAbstractionStarter]: For program point L255-1(line 255) no Hoare annotation was computed. [2018-10-26 22:32:36,103 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 270) no Hoare annotation was computed. [2018-10-26 22:32:36,103 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 249 273) no Hoare annotation was computed. [2018-10-26 22:32:36,103 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 249 273) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 22:32:36,103 INFO L421 ceAbstractionStarter]: At program point L268(line 268) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 22:32:36,103 INFO L425 ceAbstractionStarter]: For program point L268-1(lines 249 273) no Hoare annotation was computed. [2018-10-26 22:32:36,104 INFO L421 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 22:32:36,104 INFO L421 ceAbstractionStarter]: At program point L259(line 259) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 22:32:36,104 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2018-10-26 22:32:36,104 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2018-10-26 22:32:36,104 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 241 247) no Hoare annotation was computed. [2018-10-26 22:32:36,104 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 241 247) the Hoare annotation is: true [2018-10-26 22:32:36,104 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2018-10-26 22:32:36,104 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2018-10-26 22:32:36,104 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 97 105) no Hoare annotation was computed. [2018-10-26 22:32:36,104 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 374 439) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 22:32:36,104 INFO L425 ceAbstractionStarter]: For program point L384-1(lines 384 431) no Hoare annotation was computed. [2018-10-26 22:32:36,104 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 374 439) no Hoare annotation was computed. [2018-10-26 22:32:36,105 INFO L421 ceAbstractionStarter]: At program point L432(lines 383 433) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 22:32:36,105 INFO L425 ceAbstractionStarter]: For program point L422(lines 422 426) no Hoare annotation was computed. [2018-10-26 22:32:36,105 INFO L421 ceAbstractionStarter]: At program point L422-2(lines 414 427) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-10-26 22:32:36,105 INFO L425 ceAbstractionStarter]: For program point L385(lines 384 431) no Hoare annotation was computed. [2018-10-26 22:32:36,105 INFO L421 ceAbstractionStarter]: At program point L416(line 416) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-10-26 22:32:36,105 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 427) no Hoare annotation was computed. [2018-10-26 22:32:36,105 INFO L421 ceAbstractionStarter]: At program point L406(line 406) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-10-26 22:32:36,105 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 410) no Hoare annotation was computed. [2018-10-26 22:32:36,105 INFO L425 ceAbstractionStarter]: For program point L404-1(lines 404 410) no Hoare annotation was computed. [2018-10-26 22:32:36,105 INFO L421 ceAbstractionStarter]: At program point L429(lines 384 431) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-10-26 22:32:36,106 INFO L421 ceAbstractionStarter]: At program point L396(line 396) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-10-26 22:32:36,106 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 400) no Hoare annotation was computed. [2018-10-26 22:32:36,106 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 394 400) no Hoare annotation was computed. [2018-10-26 22:32:36,106 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 374 439) no Hoare annotation was computed. [2018-10-26 22:32:36,106 INFO L425 ceAbstractionStarter]: For program point L386(lines 386 390) no Hoare annotation was computed. [2018-10-26 22:32:36,106 INFO L425 ceAbstractionStarter]: For program point L194-1(lines 194 201) no Hoare annotation was computed. [2018-10-26 22:32:36,106 INFO L425 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-10-26 22:32:36,106 INFO L421 ceAbstractionStarter]: At program point L191(line 191) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 22:32:36,106 INFO L421 ceAbstractionStarter]: At program point L190(line 190) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 22:32:36,106 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 184 206) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 22:32:36,107 INFO L421 ceAbstractionStarter]: At program point L190-1(line 190) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 22:32:36,107 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 184 206) no Hoare annotation was computed. [2018-10-26 22:32:36,107 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 184 206) no Hoare annotation was computed. [2018-10-26 22:32:36,107 INFO L421 ceAbstractionStarter]: At program point L196(line 196) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-10-26 22:32:36,107 INFO L421 ceAbstractionStarter]: At program point L196-1(line 196) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0))) [2018-10-26 22:32:36,107 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 201) no Hoare annotation was computed. [2018-10-26 22:32:36,107 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 896 904) no Hoare annotation was computed. [2018-10-26 22:32:36,107 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 896 904) the Hoare annotation is: true [2018-10-26 22:32:36,107 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 896 904) no Hoare annotation was computed. [2018-10-26 22:32:36,107 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 301 309) no Hoare annotation was computed. [2018-10-26 22:32:36,107 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 301 309) the Hoare annotation is: true [2018-10-26 22:32:36,108 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 301 309) no Hoare annotation was computed. [2018-10-26 22:32:36,108 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:32:36,108 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-10-26 22:32:36,108 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:32:36,108 INFO L428 ceAbstractionStarter]: At program point L353(line 353) the Hoare annotation is: true [2018-10-26 22:32:36,108 INFO L425 ceAbstractionStarter]: For program point L355-2(lines 355 359) no Hoare annotation was computed. [2018-10-26 22:32:36,108 INFO L425 ceAbstractionStarter]: For program point L353-1(line 353) no Hoare annotation was computed. [2018-10-26 22:32:36,108 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 346 364) the Hoare annotation is: true [2018-10-26 22:32:36,108 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 346 364) no Hoare annotation was computed. [2018-10-26 22:32:36,108 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 359) no Hoare annotation was computed. [2018-10-26 22:32:36,108 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 346 364) no Hoare annotation was computed. [2018-10-26 22:32:36,108 INFO L425 ceAbstractionStarter]: For program point L847-1(lines 843 854) no Hoare annotation was computed. [2018-10-26 22:32:36,109 INFO L421 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 843 854) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= 0 ~methaneLevelCritical~0) (not (= ~systemActive~0 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 22:32:36,109 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 843 854) no Hoare annotation was computed. [2018-10-26 22:32:36,109 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 855 863) the Hoare annotation is: true [2018-10-26 22:32:36,109 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 855 863) no Hoare annotation was computed. [2018-10-26 22:32:36,109 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 855 863) no Hoare annotation was computed. [2018-10-26 22:32:36,109 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 109 138) no Hoare annotation was computed. [2018-10-26 22:32:36,109 INFO L425 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2018-10-26 22:32:36,109 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 109 138) the Hoare annotation is: true [2018-10-26 22:32:36,109 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2018-10-26 22:32:36,109 INFO L428 ceAbstractionStarter]: At program point L123-1(lines 123 127) the Hoare annotation is: true [2018-10-26 22:32:36,109 INFO L425 ceAbstractionStarter]: For program point L119-1(lines 119 133) no Hoare annotation was computed. [2018-10-26 22:32:36,110 INFO L428 ceAbstractionStarter]: At program point L119-3(lines 119 133) the Hoare annotation is: true [2018-10-26 22:32:36,110 INFO L428 ceAbstractionStarter]: At program point L115(line 115) the Hoare annotation is: true [2018-10-26 22:32:36,110 INFO L425 ceAbstractionStarter]: For program point L115-1(line 115) no Hoare annotation was computed. [2018-10-26 22:32:36,110 INFO L428 ceAbstractionStarter]: At program point L134(lines 109 138) the Hoare annotation is: true [2018-10-26 22:32:36,110 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-10-26 22:32:36,110 INFO L421 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-10-26 22:32:36,110 INFO L425 ceAbstractionStarter]: For program point L221(lines 220 239) no Hoare annotation was computed. [2018-10-26 22:32:36,110 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 217 240) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 22:32:36,111 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 217 240) no Hoare annotation was computed. [2018-10-26 22:32:36,111 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 217 240) no Hoare annotation was computed. [2018-10-26 22:32:36,111 INFO L421 ceAbstractionStarter]: At program point L230(line 230) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 22:32:36,111 INFO L421 ceAbstractionStarter]: At program point L228(lines 228 234) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-10-26 22:32:36,111 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 819 830) the Hoare annotation is: true [2018-10-26 22:32:36,111 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 819 830) no Hoare annotation was computed. [2018-10-26 22:32:36,111 INFO L425 ceAbstractionStarter]: For program point L823-1(lines 819 830) no Hoare annotation was computed. [2018-10-26 22:32:36,112 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2018-10-26 22:32:36,112 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2018-10-26 22:32:36,112 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 22:32:36,112 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-10-26 22:32:36,112 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 22:32:36,112 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 22:32:36,112 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 166 172) no Hoare annotation was computed. [2018-10-26 22:32:36,112 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 166 172) the Hoare annotation is: true [2018-10-26 22:32:36,112 INFO L425 ceAbstractionStarter]: For program point startSystemEXIT(lines 365 372) no Hoare annotation was computed. [2018-10-26 22:32:36,112 INFO L421 ceAbstractionStarter]: At program point startSystemENTRY(lines 365 372) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))) [2018-10-26 22:32:36,112 INFO L425 ceAbstractionStarter]: For program point startSystemFINAL(lines 365 372) no Hoare annotation was computed. [2018-10-26 22:32:36,113 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 831 842) no Hoare annotation was computed. [2018-10-26 22:32:36,113 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 831 842) the Hoare annotation is: true [2018-10-26 22:32:36,113 INFO L425 ceAbstractionStarter]: For program point L835-1(lines 831 842) no Hoare annotation was computed. [2018-10-26 22:32:36,113 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 807 814) no Hoare annotation was computed. [2018-10-26 22:32:36,113 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 811) no Hoare annotation was computed. [2018-10-26 22:32:36,113 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 807 814) the Hoare annotation is: true [2018-10-26 22:32:36,113 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 807 814) no Hoare annotation was computed. [2018-10-26 22:32:36,113 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 174 183) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2018-10-26 22:32:36,113 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 174 183) no Hoare annotation was computed. [2018-10-26 22:32:36,113 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 174 183) no Hoare annotation was computed. [2018-10-26 22:32:36,114 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2018-10-26 22:32:36,114 INFO L421 ceAbstractionStarter]: At program point L57(line 57) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1))) [2018-10-26 22:32:36,114 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2018-10-26 22:32:36,114 INFO L425 ceAbstractionStarter]: For program point L55(lines 55 61) no Hoare annotation was computed. [2018-10-26 22:32:36,114 INFO L421 ceAbstractionStarter]: At program point L53(line 53) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2018-10-26 22:32:36,114 INFO L425 ceAbstractionStarter]: For program point L53-1(line 53) no Hoare annotation was computed. [2018-10-26 22:32:36,114 INFO L425 ceAbstractionStarter]: For program point L51(lines 51 64) no Hoare annotation was computed. [2018-10-26 22:32:36,114 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2018-10-26 22:32:36,114 INFO L428 ceAbstractionStarter]: At program point L49(line 49) the Hoare annotation is: true [2018-10-26 22:32:36,114 INFO L425 ceAbstractionStarter]: For program point L49-1(line 49) no Hoare annotation was computed. [2018-10-26 22:32:36,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 10:32:36 BoogieIcfgContainer [2018-10-26 22:32:36,128 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 22:32:36,128 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 22:32:36,128 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 22:32:36,128 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 22:32:36,135 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 10:32:32" (3/4) ... [2018-10-26 22:32:36,138 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 22:32:36,147 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-10-26 22:32:36,147 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-10-26 22:32:36,147 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-10-26 22:32:36,147 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-10-26 22:32:36,148 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-10-26 22:32:36,148 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-10-26 22:32:36,148 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 22:32:36,148 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-10-26 22:32:36,148 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-10-26 22:32:36,148 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 22:32:36,148 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-10-26 22:32:36,148 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-10-26 22:32:36,148 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-10-26 22:32:36,148 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-10-26 22:32:36,148 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-10-26 22:32:36,148 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-10-26 22:32:36,148 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-10-26 22:32:36,149 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-10-26 22:32:36,149 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-10-26 22:32:36,149 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-10-26 22:32:36,149 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-10-26 22:32:36,149 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-10-26 22:32:36,149 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification1_spec__1 [2018-10-26 22:32:36,163 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 138 nodes and edges [2018-10-26 22:32:36,164 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 54 nodes and edges [2018-10-26 22:32:36,164 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2018-10-26 22:32:36,190 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) [2018-10-26 22:32:36,190 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) [2018-10-26 22:32:36,243 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_acf9bfef-0af5-428e-ae66-f12cae0f4901/bin-2019/utaipan/witness.graphml [2018-10-26 22:32:36,244 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 22:32:36,245 INFO L168 Benchmark]: Toolchain (without parser) took 5724.26 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 232.3 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -172.6 MB). Peak memory consumption was 59.7 MB. Max. memory is 11.5 GB. [2018-10-26 22:32:36,246 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 22:32:36,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 444.11 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 930.3 MB in the end (delta: 21.5 MB). Peak memory consumption was 21.5 MB. Max. memory is 11.5 GB. [2018-10-26 22:32:36,246 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.6 MB). Free memory was 930.3 MB in the beginning and 1.2 GB in the end (delta: -236.7 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-10-26 22:32:36,246 INFO L168 Benchmark]: Boogie Preprocessor took 32.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-10-26 22:32:36,247 INFO L168 Benchmark]: RCFGBuilder took 1058.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Peak memory consumption was 87.6 MB. Max. memory is 11.5 GB. [2018-10-26 22:32:36,247 INFO L168 Benchmark]: TraceAbstraction took 3943.92 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 57.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -61.1 MB). Peak memory consumption was 238.6 MB. Max. memory is 11.5 GB. [2018-10-26 22:32:36,247 INFO L168 Benchmark]: Witness Printer took 116.42 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. [2018-10-26 22:32:36,252 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 444.11 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 930.3 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 124.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 174.6 MB). Free memory was 930.3 MB in the beginning and 1.2 GB in the end (delta: -236.7 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.56 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1058.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 87.6 MB). Peak memory consumption was 87.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3943.92 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 57.7 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -61.1 MB). Peak memory consumption was 238.6 MB. Max. memory is 11.5 GB. * Witness Printer took 116.42 ms. Allocated memory is still 1.3 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 811]: 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: 383]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(methaneLevelCritical) == 0)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 123 locations, 1 error locations. SAFE Result, 3.8s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 1.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 549 SDtfs, 261 SDslu, 857 SDs, 0 SdLazy, 318 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=167occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 231 PreInvPairs, 246 NumberOfFragments, 499 HoareAnnotationTreeSize, 231 FomulaSimplifications, 85 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 51 FomulaSimplificationsInter, 706 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 273 NumberOfCodeBlocks, 273 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 268 ConstructedInterpolants, 0 QuantifiedInterpolants, 28296 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...