./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product15_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f5a3a0b1-d4cf-41aa-ad0d-1c4bc6f97e72/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f5a3a0b1-d4cf-41aa-ad0d-1c4bc6f97e72/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f5a3a0b1-d4cf-41aa-ad0d-1c4bc6f97e72/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f5a3a0b1-d4cf-41aa-ad0d-1c4bc6f97e72/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product15_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f5a3a0b1-d4cf-41aa-ad0d-1c4bc6f97e72/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f5a3a0b1-d4cf-41aa-ad0d-1c4bc6f97e72/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 c8f66a1c2f1d9dffe5b7963794ef9964b4412e61 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 10:21:26,060 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:21:26,061 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:21:26,068 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:21:26,068 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:21:26,068 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:21:26,069 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:21:26,070 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:21:26,071 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:21:26,072 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:21:26,072 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:21:26,073 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:21:26,073 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:21:26,074 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:21:26,074 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:21:26,075 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:21:26,075 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:21:26,076 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:21:26,077 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:21:26,078 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:21:26,079 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:21:26,080 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:21:26,081 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:21:26,081 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:21:26,081 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:21:26,082 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:21:26,082 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:21:26,083 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:21:26,084 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:21:26,085 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:21:26,085 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:21:26,085 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:21:26,085 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:21:26,086 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:21:26,086 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:21:26,087 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:21:26,087 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f5a3a0b1-d4cf-41aa-ad0d-1c4bc6f97e72/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 10:21:26,095 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:21:26,095 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:21:26,095 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:21:26,096 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 10:21:26,096 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 10:21:26,096 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 10:21:26,096 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 10:21:26,096 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 10:21:26,096 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 10:21:26,096 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 10:21:26,097 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 10:21:26,097 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 10:21:26,097 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 10:21:26,097 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:21:26,097 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:21:26,098 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:21:26,098 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:21:26,098 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:21:26,098 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:21:26,098 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:21:26,098 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:21:26,098 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:21:26,098 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:21:26,099 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:21:26,101 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:21:26,101 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:21:26,101 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:21:26,101 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:21:26,101 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:21:26,101 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:21:26,102 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:21:26,102 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:21:26,102 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:21:26,102 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 10:21:26,102 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:21:26,102 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:21:26,102 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 10:21:26,103 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_f5a3a0b1-d4cf-41aa-ad0d-1c4bc6f97e72/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 -> c8f66a1c2f1d9dffe5b7963794ef9964b4412e61 [2018-11-18 10:21:26,126 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:21:26,134 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:21:26,140 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:21:26,141 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:21:26,141 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:21:26,142 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f5a3a0b1-d4cf-41aa-ad0d-1c4bc6f97e72/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product15_true-unreach-call_false-termination.cil.c [2018-11-18 10:21:26,177 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f5a3a0b1-d4cf-41aa-ad0d-1c4bc6f97e72/bin-2019/utaipan/data/12e5eb5b4/e05fc27d582d4448a03061f41634406a/FLAG90b9cd477 [2018-11-18 10:21:26,607 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:21:26,607 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f5a3a0b1-d4cf-41aa-ad0d-1c4bc6f97e72/sv-benchmarks/c/product-lines/minepump_spec4_product15_true-unreach-call_false-termination.cil.c [2018-11-18 10:21:26,617 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f5a3a0b1-d4cf-41aa-ad0d-1c4bc6f97e72/bin-2019/utaipan/data/12e5eb5b4/e05fc27d582d4448a03061f41634406a/FLAG90b9cd477 [2018-11-18 10:21:26,626 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f5a3a0b1-d4cf-41aa-ad0d-1c4bc6f97e72/bin-2019/utaipan/data/12e5eb5b4/e05fc27d582d4448a03061f41634406a [2018-11-18 10:21:26,628 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:21:26,628 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:21:26,629 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:21:26,629 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:21:26,632 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:21:26,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:21:26" (1/1) ... [2018-11-18 10:21:26,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52b86b7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:26, skipping insertion in model container [2018-11-18 10:21:26,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:21:26" (1/1) ... [2018-11-18 10:21:26,640 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:21:26,672 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:21:26,872 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:21:26,880 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:21:26,979 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:21:26,994 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:21:26,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:26 WrapperNode [2018-11-18 10:21:26,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:21:26,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:21:26,995 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:21:26,995 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:21:27,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:26" (1/1) ... [2018-11-18 10:21:27,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:26" (1/1) ... [2018-11-18 10:21:27,019 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:21:27,020 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:21:27,020 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:21:27,020 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:21:27,026 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:26" (1/1) ... [2018-11-18 10:21:27,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:26" (1/1) ... [2018-11-18 10:21:27,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:26" (1/1) ... [2018-11-18 10:21:27,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:26" (1/1) ... [2018-11-18 10:21:27,037 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:26" (1/1) ... [2018-11-18 10:21:27,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:26" (1/1) ... [2018-11-18 10:21:27,045 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:26" (1/1) ... [2018-11-18 10:21:27,047 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:21:27,048 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:21:27,048 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:21:27,048 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:21:27,049 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f5a3a0b1-d4cf-41aa-ad0d-1c4bc6f97e72/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 [2018-11-18 10:21:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 10:21:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 10:21:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-18 10:21:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-18 10:21:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:21:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:21:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 10:21:27,086 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 10:21:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 10:21:27,086 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 10:21:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 10:21:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 10:21:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 10:21:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 10:21:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 10:21:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 10:21:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 10:21:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-11-18 10:21:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-11-18 10:21:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 10:21:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 10:21:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 10:21:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 10:21:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 10:21:27,087 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 10:21:27,087 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 10:21:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 10:21:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 10:21:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 10:21:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 10:21:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 10:21:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 10:21:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-11-18 10:21:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 10:21:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 10:21:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 10:21:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 10:21:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-11-18 10:21:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-11-18 10:21:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 10:21:27,088 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 10:21:27,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:21:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:21:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 10:21:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 10:21:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 10:21:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 10:21:27,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:21:27,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:21:27,497 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:21:27,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:21:27 BoogieIcfgContainer [2018-11-18 10:21:27,498 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:21:27,498 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:21:27,498 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:21:27,500 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:21:27,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:21:26" (1/3) ... [2018-11-18 10:21:27,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@764d42f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:21:27, skipping insertion in model container [2018-11-18 10:21:27,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:21:26" (2/3) ... [2018-11-18 10:21:27,501 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@764d42f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:21:27, skipping insertion in model container [2018-11-18 10:21:27,501 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:21:27" (3/3) ... [2018-11-18 10:21:27,503 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product15_true-unreach-call_false-termination.cil.c [2018-11-18 10:21:27,508 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:21:27,515 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:21:27,524 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:21:27,545 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:21:27,545 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:21:27,546 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:21:27,546 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:21:27,546 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:21:27,546 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:21:27,546 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:21:27,546 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:21:27,562 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2018-11-18 10:21:27,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 10:21:27,568 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:21:27,569 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] [2018-11-18 10:21:27,571 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:21:27,576 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:21:27,576 INFO L82 PathProgramCache]: Analyzing trace with hash -28806682, now seen corresponding path program 1 times [2018-11-18 10:21:27,577 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:21:27,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:27,609 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:21:27,609 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:27,609 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:21:27,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:27,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:21:27,779 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:21:27,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 10:21:27,779 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:21:27,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 10:21:27,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 10:21:27,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 10:21:27,797 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 2 states. [2018-11-18 10:21:27,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:21:27,818 INFO L93 Difference]: Finished difference Result 220 states and 273 transitions. [2018-11-18 10:21:27,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 10:21:27,819 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 10:21:27,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:21:27,826 INFO L225 Difference]: With dead ends: 220 [2018-11-18 10:21:27,826 INFO L226 Difference]: Without dead ends: 110 [2018-11-18 10:21:27,829 INFO L604 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 [2018-11-18 10:21:27,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-11-18 10:21:27,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-11-18 10:21:27,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-11-18 10:21:27,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 128 transitions. [2018-11-18 10:21:27,858 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 128 transitions. Word has length 46 [2018-11-18 10:21:27,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:21:27,858 INFO L480 AbstractCegarLoop]: Abstraction has 110 states and 128 transitions. [2018-11-18 10:21:27,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 10:21:27,858 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 128 transitions. [2018-11-18 10:21:27,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 10:21:27,860 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:21:27,860 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] [2018-11-18 10:21:27,860 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:21:27,860 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:21:27,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1344638515, now seen corresponding path program 1 times [2018-11-18 10:21:27,861 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:21:27,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:27,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:21:27,861 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:27,862 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:21:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:27,956 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:21:27,956 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:21:27,956 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:21:27,956 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:21:27,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:21:27,958 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:21:27,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:21:27,958 INFO L87 Difference]: Start difference. First operand 110 states and 128 transitions. Second operand 3 states. [2018-11-18 10:21:27,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:21:27,978 INFO L93 Difference]: Finished difference Result 161 states and 185 transitions. [2018-11-18 10:21:27,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:21:27,979 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 10:21:27,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:21:27,980 INFO L225 Difference]: With dead ends: 161 [2018-11-18 10:21:27,980 INFO L226 Difference]: Without dead ends: 100 [2018-11-18 10:21:27,981 INFO L604 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 [2018-11-18 10:21:27,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-11-18 10:21:27,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-11-18 10:21:27,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-11-18 10:21:27,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 115 transitions. [2018-11-18 10:21:27,991 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 115 transitions. Word has length 48 [2018-11-18 10:21:27,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:21:27,991 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 115 transitions. [2018-11-18 10:21:27,991 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:21:27,991 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 115 transitions. [2018-11-18 10:21:27,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 10:21:27,992 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:21:27,992 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] [2018-11-18 10:21:27,993 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:21:27,993 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:21:27,993 INFO L82 PathProgramCache]: Analyzing trace with hash 2027530102, now seen corresponding path program 1 times [2018-11-18 10:21:27,993 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:21:27,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:27,994 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:21:27,994 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:27,994 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:21:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:28,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:21:28,120 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:21:28,120 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 10:21:28,121 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:21:28,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 10:21:28,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 10:21:28,121 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 10:21:28,121 INFO L87 Difference]: Start difference. First operand 100 states and 115 transitions. Second operand 7 states. [2018-11-18 10:21:28,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:21:28,447 INFO L93 Difference]: Finished difference Result 303 states and 364 transitions. [2018-11-18 10:21:28,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 10:21:28,447 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-18 10:21:28,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:21:28,450 INFO L225 Difference]: With dead ends: 303 [2018-11-18 10:21:28,450 INFO L226 Difference]: Without dead ends: 227 [2018-11-18 10:21:28,451 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:21:28,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-11-18 10:21:28,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 219. [2018-11-18 10:21:28,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-11-18 10:21:28,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 263 transitions. [2018-11-18 10:21:28,477 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 263 transitions. Word has length 52 [2018-11-18 10:21:28,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:21:28,477 INFO L480 AbstractCegarLoop]: Abstraction has 219 states and 263 transitions. [2018-11-18 10:21:28,477 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 10:21:28,477 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 263 transitions. [2018-11-18 10:21:28,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 10:21:28,479 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:21:28,479 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] [2018-11-18 10:21:28,479 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:21:28,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:21:28,480 INFO L82 PathProgramCache]: Analyzing trace with hash 1714909492, now seen corresponding path program 1 times [2018-11-18 10:21:28,480 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:21:28,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:28,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:21:28,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:28,481 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:21:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:28,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:21:28,591 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:21:28,591 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 10:21:28,591 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:21:28,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 10:21:28,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 10:21:28,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:21:28,592 INFO L87 Difference]: Start difference. First operand 219 states and 263 transitions. Second operand 10 states. [2018-11-18 10:21:29,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:21:29,007 INFO L93 Difference]: Finished difference Result 756 states and 971 transitions. [2018-11-18 10:21:29,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 10:21:29,008 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2018-11-18 10:21:29,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:21:29,012 INFO L225 Difference]: With dead ends: 756 [2018-11-18 10:21:29,012 INFO L226 Difference]: Without dead ends: 561 [2018-11-18 10:21:29,014 INFO L604 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 [2018-11-18 10:21:29,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2018-11-18 10:21:29,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 549. [2018-11-18 10:21:29,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 549 states. [2018-11-18 10:21:29,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 549 states and 679 transitions. [2018-11-18 10:21:29,060 INFO L78 Accepts]: Start accepts. Automaton has 549 states and 679 transitions. Word has length 58 [2018-11-18 10:21:29,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:21:29,060 INFO L480 AbstractCegarLoop]: Abstraction has 549 states and 679 transitions. [2018-11-18 10:21:29,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 10:21:29,061 INFO L276 IsEmpty]: Start isEmpty. Operand 549 states and 679 transitions. [2018-11-18 10:21:29,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 10:21:29,063 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:21:29,063 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] [2018-11-18 10:21:29,063 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:21:29,063 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:21:29,063 INFO L82 PathProgramCache]: Analyzing trace with hash 1454945882, now seen corresponding path program 1 times [2018-11-18 10:21:29,064 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:21:29,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:29,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:21:29,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:29,064 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:21:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:29,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:21:29,144 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:21:29,144 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 10:21:29,144 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:21:29,145 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 10:21:29,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 10:21:29,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 10:21:29,145 INFO L87 Difference]: Start difference. First operand 549 states and 679 transitions. Second operand 4 states. [2018-11-18 10:21:29,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:21:29,243 INFO L93 Difference]: Finished difference Result 930 states and 1186 transitions. [2018-11-18 10:21:29,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 10:21:29,244 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2018-11-18 10:21:29,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:21:29,246 INFO L225 Difference]: With dead ends: 930 [2018-11-18 10:21:29,246 INFO L226 Difference]: Without dead ends: 405 [2018-11-18 10:21:29,247 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 10:21:29,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2018-11-18 10:21:29,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 393. [2018-11-18 10:21:29,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2018-11-18 10:21:29,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 455 transitions. [2018-11-18 10:21:29,265 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 455 transitions. Word has length 62 [2018-11-18 10:21:29,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:21:29,265 INFO L480 AbstractCegarLoop]: Abstraction has 393 states and 455 transitions. [2018-11-18 10:21:29,265 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 10:21:29,265 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 455 transitions. [2018-11-18 10:21:29,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 10:21:29,266 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:21:29,267 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:21:29,267 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:21:29,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:21:29,267 INFO L82 PathProgramCache]: Analyzing trace with hash -974892690, now seen corresponding path program 1 times [2018-11-18 10:21:29,267 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:21:29,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:29,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:21:29,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:21:29,268 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:21:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:21:29,364 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 10:21:29,364 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:21:29,364 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:21:29,365 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 91 with the following transitions: [2018-11-18 10:21:29,366 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [43], [45], [46], [47], [48], [49], [77], [81], [87], [91], [95], [98], [103], [109], [111], [114], [116], [119], [130], [131], [132], [133], [175], [182], [185], [193], [199], [203], [204], [207], [208], [209], [210], [211], [213], [214], [215], [216], [217], [218], [219], [220], [221], [225], [237], [238], [241], [242], [243], [244], [255], [256], [257], [258], [259] [2018-11-18 10:21:29,389 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:21:29,389 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:21:29,917 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 10:21:29,918 INFO L272 AbstractInterpreter]: Visited 66 different actions 78 times. Merged at 7 different actions 7 times. Never widened. Performed 3020 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3020 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 133 variables. [2018-11-18 10:21:29,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:21:29,947 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 10:21:30,277 INFO L227 lantSequenceWeakener]: Weakened 86 states. On average, predicates are now at 97.88% of their original sizes. [2018-11-18 10:21:30,277 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 10:21:30,414 INFO L415 sIntCurrentIteration]: We unified 89 AI predicates to 89 [2018-11-18 10:21:30,415 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 10:21:30,415 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:21:30,416 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [17] imperfect sequences [7] total 22 [2018-11-18 10:21:30,416 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:21:30,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-11-18 10:21:30,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-11-18 10:21:30,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=206, Unknown=0, NotChecked=0, Total=272 [2018-11-18 10:21:30,417 INFO L87 Difference]: Start difference. First operand 393 states and 455 transitions. Second operand 17 states. [2018-11-18 10:21:32,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:21:32,012 INFO L93 Difference]: Finished difference Result 536 states and 630 transitions. [2018-11-18 10:21:32,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 10:21:32,013 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 90 [2018-11-18 10:21:32,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:21:32,013 INFO L225 Difference]: With dead ends: 536 [2018-11-18 10:21:32,013 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 10:21:32,014 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 94 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 107 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=110, Invalid=352, Unknown=0, NotChecked=0, Total=462 [2018-11-18 10:21:32,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 10:21:32,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 10:21:32,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 10:21:32,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 10:21:32,014 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 90 [2018-11-18 10:21:32,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:21:32,014 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 10:21:32,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-11-18 10:21:32,015 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 10:21:32,015 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:21:32,017 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 10:21:32,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:21:32,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:21:32,224 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:21:32,992 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 252 259) the Hoare annotation is: true [2018-11-18 10:21:32,992 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 252 259) no Hoare annotation was computed. [2018-11-18 10:21:32,992 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 252 259) no Hoare annotation was computed. [2018-11-18 10:21:32,992 INFO L421 ceAbstractionStarter]: At program point L221(line 221) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 10:21:32,993 INFO L425 ceAbstractionStarter]: For program point L221-1(lines 202 226) no Hoare annotation was computed. [2018-11-18 10:21:32,993 INFO L421 ceAbstractionStarter]: At program point L216(line 216) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 10:21:32,993 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 202 226) no Hoare annotation was computed. [2018-11-18 10:21:32,993 INFO L421 ceAbstractionStarter]: At program point L212(line 212) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 10:21:32,993 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 202 226) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~systemActive~0 0)) (.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse1 .cse2 .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 10:21:32,993 INFO L425 ceAbstractionStarter]: For program point L210(lines 210 218) no Hoare annotation was computed. [2018-11-18 10:21:32,993 INFO L421 ceAbstractionStarter]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 2))) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-11-18 10:21:32,993 INFO L425 ceAbstractionStarter]: For program point L208-1(line 208) no Hoare annotation was computed. [2018-11-18 10:21:32,993 INFO L425 ceAbstractionStarter]: For program point L206(lines 206 223) no Hoare annotation was computed. [2018-11-18 10:21:32,993 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2018-11-18 10:21:32,993 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2018-11-18 10:21:32,994 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2018-11-18 10:21:32,994 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2018-11-18 10:21:32,994 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2018-11-18 10:21:32,994 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 92 157) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:21:32,994 INFO L421 ceAbstractionStarter]: At program point L124(line 124) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 10:21:32,994 INFO L425 ceAbstractionStarter]: For program point L122(lines 122 128) no Hoare annotation was computed. [2018-11-18 10:21:32,994 INFO L425 ceAbstractionStarter]: For program point L122-1(lines 122 128) no Hoare annotation was computed. [2018-11-18 10:21:32,994 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 92 157) no Hoare annotation was computed. [2018-11-18 10:21:32,994 INFO L421 ceAbstractionStarter]: At program point L147(lines 102 149) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 10:21:32,994 INFO L421 ceAbstractionStarter]: At program point L114(line 114) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (or (= ~waterLevel~0 1) (= ~waterLevel~0 2)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:21:32,994 INFO L425 ceAbstractionStarter]: For program point L112(lines 112 118) no Hoare annotation was computed. [2018-11-18 10:21:32,994 INFO L425 ceAbstractionStarter]: For program point L112-1(lines 112 118) no Hoare annotation was computed. [2018-11-18 10:21:32,995 INFO L425 ceAbstractionStarter]: For program point L104(lines 104 108) no Hoare annotation was computed. [2018-11-18 10:21:32,995 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 102 149) no Hoare annotation was computed. [2018-11-18 10:21:32,995 INFO L421 ceAbstractionStarter]: At program point L150(lines 101 151) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:21:32,995 INFO L421 ceAbstractionStarter]: At program point L140(line 140) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 10:21:32,995 INFO L425 ceAbstractionStarter]: For program point L138(lines 138 144) no Hoare annotation was computed. [2018-11-18 10:21:32,995 INFO L421 ceAbstractionStarter]: At program point L138-1(lines 132 145) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= ~waterLevel~0 1) .cse0 .cse1) (and (= ~waterLevel~0 2) .cse0 .cse1) (not (= |old(~waterLevel~0)| 1)))) [2018-11-18 10:21:32,995 INFO L425 ceAbstractionStarter]: For program point L103(lines 102 149) no Hoare annotation was computed. [2018-11-18 10:21:32,995 INFO L425 ceAbstractionStarter]: For program point L132(lines 132 145) no Hoare annotation was computed. [2018-11-18 10:21:32,995 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 92 157) no Hoare annotation was computed. [2018-11-18 10:21:32,995 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 875 899) the Hoare annotation is: true [2018-11-18 10:21:32,995 INFO L421 ceAbstractionStarter]: At program point L889(line 889) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 10:21:32,996 INFO L425 ceAbstractionStarter]: For program point L887(lines 887 893) no Hoare annotation was computed. [2018-11-18 10:21:32,996 INFO L421 ceAbstractionStarter]: At program point L885(line 885) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~waterLevel~0 1))) (or .cse0 (not (= ~waterLevel~0 2))))) [2018-11-18 10:21:32,996 INFO L425 ceAbstractionStarter]: For program point L885-1(line 885) no Hoare annotation was computed. [2018-11-18 10:21:32,996 INFO L425 ceAbstractionStarter]: For program point L883(lines 883 896) no Hoare annotation was computed. [2018-11-18 10:21:32,996 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 875 899) no Hoare annotation was computed. [2018-11-18 10:21:32,996 INFO L425 ceAbstractionStarter]: For program point L883-1(lines 875 899) no Hoare annotation was computed. [2018-11-18 10:21:32,996 INFO L428 ceAbstractionStarter]: At program point L881(line 881) the Hoare annotation is: true [2018-11-18 10:21:32,996 INFO L425 ceAbstractionStarter]: For program point L881-1(line 881) no Hoare annotation was computed. [2018-11-18 10:21:32,996 INFO L421 ceAbstractionStarter]: At program point L863(line 863) the Hoare annotation is: (or (and (= main_~tmp~6 ~systemActive~0) (= main_~tmp~6 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:21:32,996 INFO L421 ceAbstractionStarter]: At program point L863-1(line 863) the Hoare annotation is: (or (and (= main_~tmp~6 ~systemActive~0) (= main_~tmp~6 ~waterLevel~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:21:32,996 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 851 873) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:21:32,996 INFO L425 ceAbstractionStarter]: For program point L861(lines 861 868) no Hoare annotation was computed. [2018-11-18 10:21:32,997 INFO L425 ceAbstractionStarter]: For program point L861-1(lines 861 868) no Hoare annotation was computed. [2018-11-18 10:21:32,997 INFO L425 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2018-11-18 10:21:32,997 INFO L421 ceAbstractionStarter]: At program point L858(line 858) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:21:32,997 INFO L421 ceAbstractionStarter]: At program point L857(line 857) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:21:32,997 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 851 873) no Hoare annotation was computed. [2018-11-18 10:21:32,997 INFO L421 ceAbstractionStarter]: At program point L857-1(line 857) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:21:32,997 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 851 873) no Hoare annotation was computed. [2018-11-18 10:21:32,997 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 194 200) no Hoare annotation was computed. [2018-11-18 10:21:32,997 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 194 200) the Hoare annotation is: true [2018-11-18 10:21:32,997 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 316 330) no Hoare annotation was computed. [2018-11-18 10:21:32,997 INFO L425 ceAbstractionStarter]: For program point L320(lines 320 326) no Hoare annotation was computed. [2018-11-18 10:21:32,997 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 316 330) the Hoare annotation is: (let ((.cse5 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse3 (not (= ~waterLevel~0 2))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= |old(~systemActive~0)| 1))) (.cse0 (= ~systemActive~0 1)) (.cse4 (not (= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5) (or (not (= |old(~systemActive~0)| 0)) .cse1 (= ~systemActive~0 0) .cse3) (or .cse1 .cse5 .cse3) (or (or .cse1 .cse2) .cse0 .cse4))) [2018-11-18 10:21:32,998 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 316 330) no Hoare annotation was computed. [2018-11-18 10:21:32,998 INFO L421 ceAbstractionStarter]: At program point L322(line 322) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~waterLevel~0 2))) (or .cse0 (not (= ~waterLevel~0 1))))) [2018-11-18 10:21:32,998 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 271 279) no Hoare annotation was computed. [2018-11-18 10:21:32,998 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 271 279) the Hoare annotation is: true [2018-11-18 10:21:32,998 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 271 279) no Hoare annotation was computed. [2018-11-18 10:21:32,998 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:21:32,998 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-18 10:21:32,998 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:21:32,998 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 769 777) the Hoare annotation is: true [2018-11-18 10:21:32,998 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 769 777) no Hoare annotation was computed. [2018-11-18 10:21:32,998 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 769 777) no Hoare annotation was computed. [2018-11-18 10:21:32,998 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 725 736) the Hoare annotation is: true [2018-11-18 10:21:32,998 INFO L425 ceAbstractionStarter]: For program point L729-1(lines 725 736) no Hoare annotation was computed. [2018-11-18 10:21:32,998 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 725 736) no Hoare annotation was computed. [2018-11-18 10:21:32,999 INFO L428 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 737 745) the Hoare annotation is: true [2018-11-18 10:21:32,999 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 737 745) no Hoare annotation was computed. [2018-11-18 10:21:32,999 INFO L425 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 737 745) no Hoare annotation was computed. [2018-11-18 10:21:32,999 INFO L425 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2018-11-18 10:21:32,999 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 780 809) no Hoare annotation was computed. [2018-11-18 10:21:32,999 INFO L425 ceAbstractionStarter]: For program point L791(line 791) no Hoare annotation was computed. [2018-11-18 10:21:32,999 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 780 809) the Hoare annotation is: true [2018-11-18 10:21:32,999 INFO L425 ceAbstractionStarter]: For program point L794(lines 794 798) no Hoare annotation was computed. [2018-11-18 10:21:32,999 INFO L428 ceAbstractionStarter]: At program point L794-1(lines 794 798) the Hoare annotation is: true [2018-11-18 10:21:32,999 INFO L425 ceAbstractionStarter]: For program point L790-1(lines 790 804) no Hoare annotation was computed. [2018-11-18 10:21:32,999 INFO L428 ceAbstractionStarter]: At program point L790-3(lines 790 804) the Hoare annotation is: true [2018-11-18 10:21:32,999 INFO L428 ceAbstractionStarter]: At program point L786(line 786) the Hoare annotation is: true [2018-11-18 10:21:32,999 INFO L425 ceAbstractionStarter]: For program point L786-1(line 786) no Hoare annotation was computed. [2018-11-18 10:21:33,000 INFO L428 ceAbstractionStarter]: At program point L805(lines 780 809) the Hoare annotation is: true [2018-11-18 10:21:33,000 INFO L421 ceAbstractionStarter]: At program point L183(line 183) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (= ~systemActive~0 0))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or (and (= ~waterLevel~0 1) .cse0 .cse1) .cse2 (not (= |old(~waterLevel~0)| 1))) (or .cse2 (and .cse0 (= ~waterLevel~0 2) .cse1) (not (= |old(~waterLevel~0)| 2))))) [2018-11-18 10:21:33,000 INFO L421 ceAbstractionStarter]: At program point L181(lines 181 187) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse1)) (or .cse0 (not (= |old(~waterLevel~0)| 2)) (and (= ~waterLevel~0 2) .cse1)))) [2018-11-18 10:21:33,000 INFO L421 ceAbstractionStarter]: At program point L176(line 176) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (not (= |old(~waterLevel~0)| 2))))) [2018-11-18 10:21:33,000 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 170 193) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= |old(~pumpRunning~0)| ~pumpRunning~0))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) (and (= ~waterLevel~0 1) .cse1)) (or .cse0 (not (= |old(~waterLevel~0)| 2)) (and (= ~waterLevel~0 2) .cse1)))) [2018-11-18 10:21:33,000 INFO L425 ceAbstractionStarter]: For program point L174(lines 173 192) no Hoare annotation was computed. [2018-11-18 10:21:33,000 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 170 193) no Hoare annotation was computed. [2018-11-18 10:21:33,000 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 170 193) no Hoare annotation was computed. [2018-11-18 10:21:33,000 INFO L425 ceAbstractionStarter]: For program point L705-1(lines 701 712) no Hoare annotation was computed. [2018-11-18 10:21:33,000 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 701 712) the Hoare annotation is: true [2018-11-18 10:21:33,000 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 701 712) no Hoare annotation was computed. [2018-11-18 10:21:33,000 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2018-11-18 10:21:33,001 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2018-11-18 10:21:33,001 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 834 840) no Hoare annotation was computed. [2018-11-18 10:21:33,001 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 834 840) the Hoare annotation is: true [2018-11-18 10:21:33,001 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:21:33,001 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-18 10:21:33,001 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:21:33,001 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:21:33,001 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 713 724) no Hoare annotation was computed. [2018-11-18 10:21:33,001 INFO L425 ceAbstractionStarter]: For program point L717-1(lines 713 724) no Hoare annotation was computed. [2018-11-18 10:21:33,001 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 713 724) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (= ~waterLevel~0 2) (not (= |old(~waterLevel~0)| 2))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) (= ~waterLevel~0 1)))) [2018-11-18 10:21:33,001 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2018-11-18 10:21:33,001 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2018-11-18 10:21:33,002 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2018-11-18 10:21:33,002 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2018-11-18 10:21:33,002 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 841 850) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 10:21:33,002 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 841 850) no Hoare annotation was computed. [2018-11-18 10:21:33,002 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 841 850) no Hoare annotation was computed. [2018-11-18 10:21:33,002 INFO L428 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 260 270) the Hoare annotation is: true [2018-11-18 10:21:33,002 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 260 270) no Hoare annotation was computed. [2018-11-18 10:21:33,002 INFO L428 ceAbstractionStarter]: At program point L265(line 265) the Hoare annotation is: true [2018-11-18 10:21:33,002 INFO L425 ceAbstractionStarter]: For program point L265-1(line 265) no Hoare annotation was computed. [2018-11-18 10:21:33,002 INFO L425 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 260 270) no Hoare annotation was computed. [2018-11-18 10:21:33,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:21:33 BoogieIcfgContainer [2018-11-18 10:21:33,011 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 10:21:33,011 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:21:33,011 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:21:33,012 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:21:33,012 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:21:27" (3/4) ... [2018-11-18 10:21:33,015 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:21:33,019 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 10:21:33,019 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 10:21:33,020 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 10:21:33,020 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 10:21:33,020 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 10:21:33,020 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-18 10:21:33,020 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 10:21:33,020 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-11-18 10:21:33,020 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 10:21:33,020 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 10:21:33,020 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 10:21:33,020 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 10:21:33,020 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 10:21:33,020 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-11-18 10:21:33,020 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 10:21:33,020 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 10:21:33,021 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 10:21:33,021 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 10:21:33,021 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 10:21:33,021 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 10:21:33,021 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 10:21:33,021 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 10:21:33,021 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-11-18 10:21:33,026 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 38 nodes and edges [2018-11-18 10:21:33,026 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 10:21:33,026 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 10:21:33,044 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || ((waterLevel == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || ((waterLevel == 2 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) [2018-11-18 10:21:33,044 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 10:21:33,074 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f5a3a0b1-d4cf-41aa-ad0d-1c4bc6f97e72/bin-2019/utaipan/witness.graphml [2018-11-18 10:21:33,074 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:21:33,074 INFO L168 Benchmark]: Toolchain (without parser) took 6446.41 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 267.4 MB). Free memory was 956.6 MB in the beginning and 961.3 MB in the end (delta: -4.7 MB). Peak memory consumption was 262.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:21:33,075 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:21:33,076 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -160.6 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:21:33,076 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:21:33,076 INFO L168 Benchmark]: Boogie Preprocessor took 27.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:21:33,076 INFO L168 Benchmark]: RCFGBuilder took 449.83 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: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:21:33,076 INFO L168 Benchmark]: TraceAbstraction took 5513.00 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 138.9 MB). Free memory was 1.1 GB in the beginning and 969.4 MB in the end (delta: 86.7 MB). Peak memory consumption was 288.7 MB. Max. memory is 11.5 GB. [2018-11-18 10:21:33,077 INFO L168 Benchmark]: Witness Printer took 62.42 ms. Allocated memory is still 1.3 GB. Free memory was 969.4 MB in the beginning and 961.3 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:21:33,078 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 365.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -160.6 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 27.98 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 449.83 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: 61.1 MB). Peak memory consumption was 61.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5513.00 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 138.9 MB). Free memory was 1.1 GB in the beginning and 969.4 MB in the end (delta: 86.7 MB). Peak memory consumption was 288.7 MB. Max. memory is 11.5 GB. * Witness Printer took 62.42 ms. Allocated memory is still 1.3 GB. Free memory was 969.4 MB in the beginning and 961.3 MB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 101]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || ((waterLevel == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || ((waterLevel == 2 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 780]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 123 locations, 1 error locations. SAFE Result, 5.4s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 2.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 769 SDtfs, 967 SDslu, 2269 SDs, 0 SdLazy, 853 SolverSat, 335 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 146 GetRequests, 96 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=549occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.5s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9966878540937774 AbsIntWeakeningRatio, 1.0561797752808988 AbsIntAvgWeakeningVarsNumRemoved, 84.3932584269663 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 32 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 595 PreInvPairs, 642 NumberOfFragments, 816 HoareAnnotationTreeSize, 595 FomulaSimplifications, 2100 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 52 FomulaSimplificationsInter, 3838 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 356 NumberOfCodeBlocks, 356 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 350 ConstructedInterpolants, 0 QuantifiedInterpolants, 44977 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 21/24 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...