./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product27_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_1b20c245-04bc-4513-93c2-58066c7ad29e/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1b20c245-04bc-4513-93c2-58066c7ad29e/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1b20c245-04bc-4513-93c2-58066c7ad29e/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1b20c245-04bc-4513-93c2-58066c7ad29e/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product27_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1b20c245-04bc-4513-93c2-58066c7ad29e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1b20c245-04bc-4513-93c2-58066c7ad29e/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 84bee68029cd4e9781f81f2ec079192bad30236f ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:38:19,453 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:38:19,454 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:38:19,460 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:38:19,460 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:38:19,461 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:38:19,461 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:38:19,462 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:38:19,463 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:38:19,464 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:38:19,464 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:38:19,464 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:38:19,465 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:38:19,466 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:38:19,466 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:38:19,467 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:38:19,467 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:38:19,469 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:38:19,470 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:38:19,471 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:38:19,472 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:38:19,472 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:38:19,474 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:38:19,475 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:38:19,475 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:38:19,475 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:38:19,476 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:38:19,477 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:38:19,477 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:38:19,478 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:38:19,478 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:38:19,479 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:38:19,479 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:38:19,479 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:38:19,480 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:38:19,480 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:38:19,480 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1b20c245-04bc-4513-93c2-58066c7ad29e/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 15:38:19,490 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:38:19,490 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:38:19,490 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:38:19,491 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:38:19,491 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:38:19,491 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:38:19,491 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:38:19,491 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 15:38:19,491 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:38:19,491 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:38:19,491 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 15:38:19,491 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 15:38:19,491 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:38:19,492 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:38:19,492 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:38:19,492 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:38:19,492 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:38:19,492 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:38:19,492 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:38:19,493 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:38:19,493 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:38:19,493 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:38:19,493 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:38:19,493 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:38:19,493 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:38:19,493 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:38:19,494 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:38:19,494 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:38:19,494 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:38:19,494 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:38:19,494 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:38:19,494 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:38:19,494 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:38:19,494 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 15:38:19,494 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:38:19,494 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:38:19,494 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 15:38:19,494 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_1b20c245-04bc-4513-93c2-58066c7ad29e/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 -> 84bee68029cd4e9781f81f2ec079192bad30236f [2018-11-18 15:38:19,515 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:38:19,523 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:38:19,525 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:38:19,526 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:38:19,526 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:38:19,526 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1b20c245-04bc-4513-93c2-58066c7ad29e/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product27_true-unreach-call_false-termination.cil.c [2018-11-18 15:38:19,561 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b20c245-04bc-4513-93c2-58066c7ad29e/bin-2019/utaipan/data/c60b33d3b/b031695560224246aab658e6523c36e7/FLAG6c407903a [2018-11-18 15:38:19,905 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:38:19,906 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1b20c245-04bc-4513-93c2-58066c7ad29e/sv-benchmarks/c/product-lines/minepump_spec4_product27_true-unreach-call_false-termination.cil.c [2018-11-18 15:38:19,916 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1b20c245-04bc-4513-93c2-58066c7ad29e/bin-2019/utaipan/data/c60b33d3b/b031695560224246aab658e6523c36e7/FLAG6c407903a [2018-11-18 15:38:19,927 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1b20c245-04bc-4513-93c2-58066c7ad29e/bin-2019/utaipan/data/c60b33d3b/b031695560224246aab658e6523c36e7 [2018-11-18 15:38:19,929 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:38:19,930 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:38:19,931 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:38:19,931 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:38:19,933 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:38:19,933 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:38:19" (1/1) ... [2018-11-18 15:38:19,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ae989df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:38:19, skipping insertion in model container [2018-11-18 15:38:19,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:38:19" (1/1) ... [2018-11-18 15:38:19,941 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:38:19,969 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:38:20,154 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:38:20,161 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:38:20,267 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:38:20,288 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:38:20,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:38:20 WrapperNode [2018-11-18 15:38:20,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:38:20,289 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:38:20,289 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:38:20,290 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:38:20,297 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:38:20" (1/1) ... [2018-11-18 15:38:20,313 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:38:20" (1/1) ... [2018-11-18 15:38:20,320 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:38:20,320 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:38:20,321 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:38:20,321 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:38:20,329 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:38:20" (1/1) ... [2018-11-18 15:38:20,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:38:20" (1/1) ... [2018-11-18 15:38:20,332 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:38:20" (1/1) ... [2018-11-18 15:38:20,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:38:20" (1/1) ... [2018-11-18 15:38:20,341 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:38:20" (1/1) ... [2018-11-18 15:38:20,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:38:20" (1/1) ... [2018-11-18 15:38:20,349 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:38:20" (1/1) ... [2018-11-18 15:38:20,352 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:38:20,352 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:38:20,352 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:38:20,352 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:38:20,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:38:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1b20c245-04bc-4513-93c2-58066c7ad29e/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 15:38:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 15:38:20,398 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 15:38:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-18 15:38:20,398 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-18 15:38:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:38:20,398 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:38:20,398 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 15:38:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 15:38:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 15:38:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 15:38:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:38:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 15:38:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 15:38:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 15:38:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 15:38:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 15:38:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 15:38:20,399 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 15:38:20,399 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 15:38:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 15:38:20,400 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 15:38:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 15:38:20,400 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 15:38:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 15:38:20,400 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 15:38:20,400 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 15:38:20,401 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 15:38:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 15:38:20,401 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 15:38:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 15:38:20,401 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 15:38:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 15:38:20,401 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 15:38:20,401 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 15:38:20,401 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 15:38:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 15:38:20,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 15:38:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 15:38:20,402 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 15:38:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 15:38:20,402 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 15:38:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:38:20,402 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:38:20,402 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 15:38:20,403 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 15:38:20,403 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 15:38:20,403 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 15:38:20,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:38:20,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:38:20,835 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:38:20,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:38:20 BoogieIcfgContainer [2018-11-18 15:38:20,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:38:20,836 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:38:20,836 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:38:20,839 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:38:20,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:38:19" (1/3) ... [2018-11-18 15:38:20,840 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a52658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:38:20, skipping insertion in model container [2018-11-18 15:38:20,840 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:38:20" (2/3) ... [2018-11-18 15:38:20,841 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a52658 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:38:20, skipping insertion in model container [2018-11-18 15:38:20,841 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:38:20" (3/3) ... [2018-11-18 15:38:20,843 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product27_true-unreach-call_false-termination.cil.c [2018-11-18 15:38:20,851 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:38:20,858 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:38:20,871 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:38:20,897 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:38:20,897 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:38:20,897 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:38:20,898 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:38:20,898 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:38:20,898 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:38:20,898 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:38:20,898 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:38:20,914 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states. [2018-11-18 15:38:20,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-18 15:38:20,921 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:38:20,922 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 15:38:20,924 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:38:20,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:38:20,929 INFO L82 PathProgramCache]: Analyzing trace with hash -2144901722, now seen corresponding path program 1 times [2018-11-18 15:38:20,931 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:38:20,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:38:20,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:38:20,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:38:20,968 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:38:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:38:21,146 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 15:38:21,148 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:38:21,148 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:38:21,148 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:38:21,152 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 15:38:21,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 15:38:21,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:38:21,164 INFO L87 Difference]: Start difference. First operand 125 states. Second operand 2 states. [2018-11-18 15:38:21,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:38:21,190 INFO L93 Difference]: Finished difference Result 224 states and 279 transitions. [2018-11-18 15:38:21,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 15:38:21,191 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-18 15:38:21,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:38:21,199 INFO L225 Difference]: With dead ends: 224 [2018-11-18 15:38:21,199 INFO L226 Difference]: Without dead ends: 112 [2018-11-18 15:38:21,202 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 15:38:21,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-11-18 15:38:21,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2018-11-18 15:38:21,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-11-18 15:38:21,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 131 transitions. [2018-11-18 15:38:21,235 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 131 transitions. Word has length 46 [2018-11-18 15:38:21,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:38:21,236 INFO L480 AbstractCegarLoop]: Abstraction has 112 states and 131 transitions. [2018-11-18 15:38:21,236 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 15:38:21,236 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 131 transitions. [2018-11-18 15:38:21,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-18 15:38:21,238 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:38:21,238 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 15:38:21,238 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:38:21,239 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:38:21,239 INFO L82 PathProgramCache]: Analyzing trace with hash 892297005, now seen corresponding path program 1 times [2018-11-18 15:38:21,239 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:38:21,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:38:21,240 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:38:21,240 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:38:21,240 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:38:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:38:21,333 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 15:38:21,333 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:38:21,333 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:38:21,333 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:38:21,335 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:38:21,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:38:21,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:38:21,335 INFO L87 Difference]: Start difference. First operand 112 states and 131 transitions. Second operand 3 states. [2018-11-18 15:38:21,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:38:21,352 INFO L93 Difference]: Finished difference Result 165 states and 191 transitions. [2018-11-18 15:38:21,352 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:38:21,353 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-11-18 15:38:21,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:38:21,354 INFO L225 Difference]: With dead ends: 165 [2018-11-18 15:38:21,354 INFO L226 Difference]: Without dead ends: 102 [2018-11-18 15:38:21,355 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 15:38:21,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-11-18 15:38:21,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-11-18 15:38:21,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-11-18 15:38:21,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 118 transitions. [2018-11-18 15:38:21,364 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 118 transitions. Word has length 48 [2018-11-18 15:38:21,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:38:21,364 INFO L480 AbstractCegarLoop]: Abstraction has 102 states and 118 transitions. [2018-11-18 15:38:21,364 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:38:21,365 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 118 transitions. [2018-11-18 15:38:21,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 15:38:21,366 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:38:21,366 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 15:38:21,366 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:38:21,366 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:38:21,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1366220896, now seen corresponding path program 1 times [2018-11-18 15:38:21,366 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:38:21,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:38:21,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:38:21,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:38:21,367 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:38:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:38:21,465 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 15:38:21,465 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:38:21,465 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:38:21,466 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:38:21,466 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:38:21,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:38:21,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:38:21,466 INFO L87 Difference]: Start difference. First operand 102 states and 118 transitions. Second operand 7 states. [2018-11-18 15:38:21,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:38:21,725 INFO L93 Difference]: Finished difference Result 309 states and 373 transitions. [2018-11-18 15:38:21,725 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 15:38:21,725 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-18 15:38:21,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:38:21,728 INFO L225 Difference]: With dead ends: 309 [2018-11-18 15:38:21,728 INFO L226 Difference]: Without dead ends: 231 [2018-11-18 15:38:21,729 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 15:38:21,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-11-18 15:38:21,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 223. [2018-11-18 15:38:21,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-11-18 15:38:21,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 269 transitions. [2018-11-18 15:38:21,754 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 269 transitions. Word has length 52 [2018-11-18 15:38:21,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:38:21,754 INFO L480 AbstractCegarLoop]: Abstraction has 223 states and 269 transitions. [2018-11-18 15:38:21,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:38:21,754 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 269 transitions. [2018-11-18 15:38:21,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-11-18 15:38:21,756 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:38:21,756 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 15:38:21,756 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:38:21,757 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:38:21,757 INFO L82 PathProgramCache]: Analyzing trace with hash -136467658, now seen corresponding path program 1 times [2018-11-18 15:38:21,757 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:38:21,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:38:21,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:38:21,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:38:21,758 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:38:21,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:38:21,866 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 15:38:21,866 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:38:21,866 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-18 15:38:21,866 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:38:21,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 15:38:21,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 15:38:21,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:38:21,867 INFO L87 Difference]: Start difference. First operand 223 states and 269 transitions. Second operand 10 states. [2018-11-18 15:38:22,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:38:22,247 INFO L93 Difference]: Finished difference Result 772 states and 995 transitions. [2018-11-18 15:38:22,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 15:38:22,247 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 58 [2018-11-18 15:38:22,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:38:22,252 INFO L225 Difference]: With dead ends: 772 [2018-11-18 15:38:22,252 INFO L226 Difference]: Without dead ends: 573 [2018-11-18 15:38:22,253 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 15:38:22,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 573 states. [2018-11-18 15:38:22,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 573 to 561. [2018-11-18 15:38:22,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 561 states. [2018-11-18 15:38:22,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 697 transitions. [2018-11-18 15:38:22,297 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 697 transitions. Word has length 58 [2018-11-18 15:38:22,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:38:22,297 INFO L480 AbstractCegarLoop]: Abstraction has 561 states and 697 transitions. [2018-11-18 15:38:22,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 15:38:22,297 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 697 transitions. [2018-11-18 15:38:22,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-18 15:38:22,300 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:38:22,300 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 15:38:22,300 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:38:22,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:38:22,301 INFO L82 PathProgramCache]: Analyzing trace with hash 67480476, now seen corresponding path program 1 times [2018-11-18 15:38:22,301 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:38:22,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:38:22,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:38:22,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:38:22,302 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:38:22,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:38:22,359 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 15:38:22,359 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:38:22,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 15:38:22,359 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:38:22,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 15:38:22,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 15:38:22,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-18 15:38:22,360 INFO L87 Difference]: Start difference. First operand 561 states and 697 transitions. Second operand 4 states. [2018-11-18 15:38:22,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:38:22,447 INFO L93 Difference]: Finished difference Result 942 states and 1204 transitions. [2018-11-18 15:38:22,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 15:38:22,448 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 62 [2018-11-18 15:38:22,448 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:38:22,449 INFO L225 Difference]: With dead ends: 942 [2018-11-18 15:38:22,450 INFO L226 Difference]: Without dead ends: 405 [2018-11-18 15:38:22,452 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 15:38:22,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2018-11-18 15:38:22,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 393. [2018-11-18 15:38:22,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 393 states. [2018-11-18 15:38:22,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 455 transitions. [2018-11-18 15:38:22,468 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 455 transitions. Word has length 62 [2018-11-18 15:38:22,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:38:22,468 INFO L480 AbstractCegarLoop]: Abstraction has 393 states and 455 transitions. [2018-11-18 15:38:22,468 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 15:38:22,468 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 455 transitions. [2018-11-18 15:38:22,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-11-18 15:38:22,469 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:38:22,469 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 15:38:22,470 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:38:22,470 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:38:22,470 INFO L82 PathProgramCache]: Analyzing trace with hash 30248779, now seen corresponding path program 1 times [2018-11-18 15:38:22,470 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:38:22,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:38:22,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:38:22,471 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:38:22,471 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:38:22,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:38:22,554 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 15:38:22,555 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 15:38:22,555 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 15:38:22,556 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 91 with the following transitions: [2018-11-18 15:38:22,557 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [42], [44], [45], [46], [47], [59], [84], [88], [94], [98], [102], [105], [110], [116], [118], [121], [123], [126], [139], [140], [141], [142], [155], [162], [165], [200], [206], [210], [211], [214], [215], [216], [217], [218], [220], [221], [222], [223], [224], [225], [226], [227], [228], [234], [244], [245], [248], [249], [250], [251], [258], [259], [264], [265], [266] [2018-11-18 15:38:22,581 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 15:38:22,581 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 15:38:22,932 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 15:38:22,933 INFO L272 AbstractInterpreter]: Visited 60 different actions 72 times. Merged at 7 different actions 7 times. Never widened. Performed 2886 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2886 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 15:38:22,949 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:38:22,950 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 15:38:23,210 INFO L227 lantSequenceWeakener]: Weakened 80 states. On average, predicates are now at 97.7% of their original sizes. [2018-11-18 15:38:23,211 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 15:38:23,322 INFO L415 sIntCurrentIteration]: We unified 89 AI predicates to 89 [2018-11-18 15:38:23,322 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 15:38:23,323 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 15:38:23,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [19] imperfect sequences [7] total 24 [2018-11-18 15:38:23,323 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:38:23,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-11-18 15:38:23,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-11-18 15:38:23,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=265, Unknown=0, NotChecked=0, Total=342 [2018-11-18 15:38:23,324 INFO L87 Difference]: Start difference. First operand 393 states and 455 transitions. Second operand 19 states. [2018-11-18 15:38:25,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:38:25,704 INFO L93 Difference]: Finished difference Result 536 states and 630 transitions. [2018-11-18 15:38:25,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-18 15:38:25,704 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 90 [2018-11-18 15:38:25,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:38:25,705 INFO L225 Difference]: With dead ends: 536 [2018-11-18 15:38:25,705 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 15:38:25,706 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 100 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 223 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=158, Invalid=712, Unknown=0, NotChecked=0, Total=870 [2018-11-18 15:38:25,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 15:38:25,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 15:38:25,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 15:38:25,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 15:38:25,707 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 90 [2018-11-18 15:38:25,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:38:25,707 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:38:25,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-11-18 15:38:25,707 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 15:38:25,707 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:38:25,710 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 15:38:25,880 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:38:25,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:38:25,882 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 15:38:26,698 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 430 437) the Hoare annotation is: true [2018-11-18 15:38:26,698 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 430 437) no Hoare annotation was computed. [2018-11-18 15:38:26,698 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 430 437) no Hoare annotation was computed. [2018-11-18 15:38:26,698 INFO L421 ceAbstractionStarter]: At program point L385(line 385) 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 15:38:26,698 INFO L425 ceAbstractionStarter]: For program point L385-1(line 385) no Hoare annotation was computed. [2018-11-18 15:38:26,698 INFO L425 ceAbstractionStarter]: For program point L383(lines 383 400) no Hoare annotation was computed. [2018-11-18 15:38:26,698 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 379 403) no Hoare annotation was computed. [2018-11-18 15:38:26,698 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 379 403) 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 15:38:26,698 INFO L421 ceAbstractionStarter]: At program point L398(line 398) 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 15:38:26,699 INFO L425 ceAbstractionStarter]: For program point L398-1(lines 379 403) no Hoare annotation was computed. [2018-11-18 15:38:26,699 INFO L421 ceAbstractionStarter]: At program point L393(line 393) 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 15:38:26,699 INFO L421 ceAbstractionStarter]: At program point L389(line 389) 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 15:38:26,699 INFO L425 ceAbstractionStarter]: For program point L387(lines 387 395) no Hoare annotation was computed. [2018-11-18 15:38:26,699 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 547 553) the Hoare annotation is: true [2018-11-18 15:38:26,699 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 547 553) no Hoare annotation was computed. [2018-11-18 15:38:26,699 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 371 377) no Hoare annotation was computed. [2018-11-18 15:38:26,699 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 371 377) the Hoare annotation is: true [2018-11-18 15:38:26,699 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 554 562) no Hoare annotation was computed. [2018-11-18 15:38:26,699 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 554 562) the Hoare annotation is: true [2018-11-18 15:38:26,700 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 554 562) no Hoare annotation was computed. [2018-11-18 15:38:26,700 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 275 340) 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 15:38:26,700 INFO L425 ceAbstractionStarter]: For program point L287(lines 287 291) no Hoare annotation was computed. [2018-11-18 15:38:26,700 INFO L425 ceAbstractionStarter]: For program point L285-1(lines 285 332) no Hoare annotation was computed. [2018-11-18 15:38:26,700 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 275 340) no Hoare annotation was computed. [2018-11-18 15:38:26,700 INFO L421 ceAbstractionStarter]: At program point L333(lines 284 334) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-18 15:38:26,700 INFO L421 ceAbstractionStarter]: At program point L323(line 323) 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 15:38:26,700 INFO L425 ceAbstractionStarter]: For program point L321(lines 321 327) no Hoare annotation was computed. [2018-11-18 15:38:26,700 INFO L421 ceAbstractionStarter]: At program point L321-1(lines 315 328) 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 15:38:26,701 INFO L425 ceAbstractionStarter]: For program point L286(lines 285 332) no Hoare annotation was computed. [2018-11-18 15:38:26,701 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 328) no Hoare annotation was computed. [2018-11-18 15:38:26,701 INFO L421 ceAbstractionStarter]: At program point L307(line 307) 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 15:38:26,701 INFO L425 ceAbstractionStarter]: For program point L305(lines 305 311) no Hoare annotation was computed. [2018-11-18 15:38:26,701 INFO L425 ceAbstractionStarter]: For program point L305-1(lines 305 311) no Hoare annotation was computed. [2018-11-18 15:38:26,701 INFO L421 ceAbstractionStarter]: At program point L330(lines 285 332) 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 15:38:26,701 INFO L421 ceAbstractionStarter]: At program point L297(line 297) 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 15:38:26,701 INFO L425 ceAbstractionStarter]: For program point L295(lines 295 301) no Hoare annotation was computed. [2018-11-18 15:38:26,701 INFO L425 ceAbstractionStarter]: For program point L295-1(lines 295 301) no Hoare annotation was computed. [2018-11-18 15:38:26,701 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 275 340) no Hoare annotation was computed. [2018-11-18 15:38:26,702 INFO L428 ceAbstractionStarter]: At program point L161(line 161) the Hoare annotation is: true [2018-11-18 15:38:26,702 INFO L425 ceAbstractionStarter]: For program point L161-1(line 161) no Hoare annotation was computed. [2018-11-18 15:38:26,702 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 155 179) the Hoare annotation is: true [2018-11-18 15:38:26,702 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 155 179) no Hoare annotation was computed. [2018-11-18 15:38:26,702 INFO L421 ceAbstractionStarter]: At program point L169(line 169) 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 15:38:26,702 INFO L425 ceAbstractionStarter]: For program point L167(lines 167 173) no Hoare annotation was computed. [2018-11-18 15:38:26,702 INFO L421 ceAbstractionStarter]: At program point L165(line 165) 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 15:38:26,702 INFO L425 ceAbstractionStarter]: For program point L165-1(line 165) no Hoare annotation was computed. [2018-11-18 15:38:26,702 INFO L425 ceAbstractionStarter]: For program point L163(lines 163 176) no Hoare annotation was computed. [2018-11-18 15:38:26,702 INFO L425 ceAbstractionStarter]: For program point L163-1(lines 155 179) no Hoare annotation was computed. [2018-11-18 15:38:26,702 INFO L425 ceAbstractionStarter]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2018-11-18 15:38:26,703 INFO L425 ceAbstractionStarter]: For program point L128(line 128) no Hoare annotation was computed. [2018-11-18 15:38:26,703 INFO L421 ceAbstractionStarter]: At program point L127(line 127) 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 15:38:26,703 INFO L421 ceAbstractionStarter]: At program point L126(line 126) 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 15:38:26,703 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 120 142) 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 15:38:26,703 INFO L421 ceAbstractionStarter]: At program point L126-1(line 126) 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 15:38:26,703 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2018-11-18 15:38:26,703 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2018-11-18 15:38:26,703 INFO L421 ceAbstractionStarter]: At program point L132(line 132) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= main_~tmp~0 ~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 15:38:26,703 INFO L421 ceAbstractionStarter]: At program point L132-1(line 132) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= main_~tmp~0 ~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 15:38:26,704 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 137) no Hoare annotation was computed. [2018-11-18 15:38:26,704 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 513 527) no Hoare annotation was computed. [2018-11-18 15:38:26,704 INFO L421 ceAbstractionStarter]: At program point L519(line 519) 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 15:38:26,704 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 513 527) 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 15:38:26,704 INFO L425 ceAbstractionStarter]: For program point L517(lines 517 523) no Hoare annotation was computed. [2018-11-18 15:38:26,704 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 513 527) no Hoare annotation was computed. [2018-11-18 15:38:26,704 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 449 457) no Hoare annotation was computed. [2018-11-18 15:38:26,704 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 449 457) the Hoare annotation is: true [2018-11-18 15:38:26,704 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 449 457) no Hoare annotation was computed. [2018-11-18 15:38:26,704 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 264 272) no Hoare annotation was computed. [2018-11-18 15:38:26,705 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 264 272) the Hoare annotation is: true [2018-11-18 15:38:26,705 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 264 272) no Hoare annotation was computed. [2018-11-18 15:38:26,705 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:38:26,705 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-18 15:38:26,705 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:38:26,705 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 494 512) the Hoare annotation is: true [2018-11-18 15:38:26,705 INFO L425 ceAbstractionStarter]: For program point L503(lines 503 507) no Hoare annotation was computed. [2018-11-18 15:38:26,705 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 494 512) no Hoare annotation was computed. [2018-11-18 15:38:26,705 INFO L428 ceAbstractionStarter]: At program point L501(line 501) the Hoare annotation is: true [2018-11-18 15:38:26,705 INFO L425 ceAbstractionStarter]: For program point L503-2(lines 503 507) no Hoare annotation was computed. [2018-11-18 15:38:26,705 INFO L425 ceAbstractionStarter]: For program point L501-1(line 501) no Hoare annotation was computed. [2018-11-18 15:38:26,706 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 494 512) no Hoare annotation was computed. [2018-11-18 15:38:26,706 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 255 263) the Hoare annotation is: true [2018-11-18 15:38:26,706 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 255 263) no Hoare annotation was computed. [2018-11-18 15:38:26,706 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 255 263) no Hoare annotation was computed. [2018-11-18 15:38:26,706 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 211 222) the Hoare annotation is: true [2018-11-18 15:38:26,706 INFO L425 ceAbstractionStarter]: For program point L215-1(lines 211 222) no Hoare annotation was computed. [2018-11-18 15:38:26,706 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 211 222) no Hoare annotation was computed. [2018-11-18 15:38:26,706 INFO L421 ceAbstractionStarter]: At program point L353(line 353) 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 15:38:26,706 INFO L425 ceAbstractionStarter]: For program point L351(lines 350 369) no Hoare annotation was computed. [2018-11-18 15:38:26,706 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 347 370) 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 15:38:26,707 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 347 370) no Hoare annotation was computed. [2018-11-18 15:38:26,707 INFO L421 ceAbstractionStarter]: At program point L360(line 360) 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 15:38:26,707 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 347 370) no Hoare annotation was computed. [2018-11-18 15:38:26,707 INFO L421 ceAbstractionStarter]: At program point L358(lines 358 364) 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 15:38:26,707 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2018-11-18 15:38:26,707 INFO L425 ceAbstractionStarter]: For program point L56(lines 56 60) no Hoare annotation was computed. [2018-11-18 15:38:26,707 INFO L428 ceAbstractionStarter]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2018-11-18 15:38:26,707 INFO L425 ceAbstractionStarter]: For program point L52-1(lines 52 66) no Hoare annotation was computed. [2018-11-18 15:38:26,707 INFO L428 ceAbstractionStarter]: At program point L52-3(lines 52 66) the Hoare annotation is: true [2018-11-18 15:38:26,707 INFO L428 ceAbstractionStarter]: At program point L48(line 48) the Hoare annotation is: true [2018-11-18 15:38:26,707 INFO L425 ceAbstractionStarter]: For program point L48-1(line 48) no Hoare annotation was computed. [2018-11-18 15:38:26,708 INFO L428 ceAbstractionStarter]: At program point L67(lines 42 71) the Hoare annotation is: true [2018-11-18 15:38:26,708 INFO L425 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-11-18 15:38:26,708 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2018-11-18 15:38:26,708 INFO L425 ceAbstractionStarter]: For program point L53(line 53) no Hoare annotation was computed. [2018-11-18 15:38:26,708 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 187 198) the Hoare annotation is: true [2018-11-18 15:38:26,708 INFO L425 ceAbstractionStarter]: For program point L191-1(lines 187 198) no Hoare annotation was computed. [2018-11-18 15:38:26,708 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 187 198) no Hoare annotation was computed. [2018-11-18 15:38:26,708 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 540 546) no Hoare annotation was computed. [2018-11-18 15:38:26,708 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 540 546) the Hoare annotation is: true [2018-11-18 15:38:26,708 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2018-11-18 15:38:26,708 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2018-11-18 15:38:26,708 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:38:26,709 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 15:38:26,709 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:38:26,709 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:38:26,709 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 199 210) no Hoare annotation was computed. [2018-11-18 15:38:26,709 INFO L425 ceAbstractionStarter]: For program point L203-1(lines 199 210) no Hoare annotation was computed. [2018-11-18 15:38:26,709 INFO L421 ceAbstractionStarter]: At program point waterRiseENTRY(lines 199 210) 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 15:38:26,709 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 144 151) no Hoare annotation was computed. [2018-11-18 15:38:26,709 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 148) no Hoare annotation was computed. [2018-11-18 15:38:26,709 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 144 151) the Hoare annotation is: true [2018-11-18 15:38:26,709 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 144 151) no Hoare annotation was computed. [2018-11-18 15:38:26,710 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 107 116) 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 15:38:26,710 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2018-11-18 15:38:26,710 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2018-11-18 15:38:26,718 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:38:26 BoogieIcfgContainer [2018-11-18 15:38:26,718 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:38:26,718 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:38:26,718 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:38:26,718 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:38:26,719 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:38:20" (3/4) ... [2018-11-18 15:38:26,721 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:38:26,726 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 15:38:26,726 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 15:38:26,726 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 15:38:26,726 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 15:38:26,726 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 15:38:26,726 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 15:38:26,726 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-18 15:38:26,726 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 15:38:26,726 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 15:38:26,726 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 15:38:26,726 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 15:38:26,726 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 15:38:26,726 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 15:38:26,726 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 15:38:26,726 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 15:38:26,726 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 15:38:26,726 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 15:38:26,726 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 15:38:26,727 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 15:38:26,727 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 15:38:26,727 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 15:38:26,727 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 15:38:26,727 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 15:38:26,732 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-11-18 15:38:26,732 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 15:38:26,733 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 15:38:26,750 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 15:38:26,750 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-18 15:38:26,780 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1b20c245-04bc-4513-93c2-58066c7ad29e/bin-2019/utaipan/witness.graphml [2018-11-18 15:38:26,780 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:38:26,780 INFO L168 Benchmark]: Toolchain (without parser) took 6850.74 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 327.7 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -165.2 MB). Peak memory consumption was 162.5 MB. Max. memory is 11.5 GB. [2018-11-18 15:38:26,781 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:38:26,781 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -149.6 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. [2018-11-18 15:38:26,781 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:38:26,782 INFO L168 Benchmark]: Boogie Preprocessor took 31.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:38:26,782 INFO L168 Benchmark]: RCFGBuilder took 483.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. [2018-11-18 15:38:26,782 INFO L168 Benchmark]: TraceAbstraction took 5881.85 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 212.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -82.6 MB). Peak memory consumption was 454.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:38:26,782 INFO L168 Benchmark]: Witness Printer took 61.52 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:38:26,784 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 358.36 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 114.8 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -149.6 MB). Peak memory consumption was 32.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 30.95 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 31.48 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 483.34 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 53.0 MB). Peak memory consumption was 53.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5881.85 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 212.9 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -82.6 MB). Peak memory consumption was 454.8 MB. Max. memory is 11.5 GB. * Witness Printer took 61.52 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 148]: 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: 285]: 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 284]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 24 procedures, 125 locations, 1 error locations. SAFE Result, 5.8s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 3.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 776 SDtfs, 971 SDslu, 2268 SDs, 0 SdLazy, 976 SolverSat, 296 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 152 GetRequests, 94 SyntacticMatches, 1 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 265 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=561occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9970687339261904 AbsIntWeakeningRatio, 1.0561797752808988 AbsIntAvgWeakeningVarsNumRemoved, 76.40449438202248 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, 0.1s 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...