./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product30_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_44a5e3a5-0799-4833-bccd-7931ee3749b3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_44a5e3a5-0799-4833-bccd-7931ee3749b3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_44a5e3a5-0799-4833-bccd-7931ee3749b3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_44a5e3a5-0799-4833-bccd-7931ee3749b3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product30_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_44a5e3a5-0799-4833-bccd-7931ee3749b3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_44a5e3a5-0799-4833-bccd-7931ee3749b3/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 bd2e3a23ca3a9dd9f2f02315ad4615e39e48f52f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 04:14:11,255 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 04:14:11,256 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 04:14:11,262 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 04:14:11,262 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 04:14:11,263 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 04:14:11,263 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 04:14:11,264 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 04:14:11,265 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 04:14:11,265 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 04:14:11,266 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 04:14:11,266 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 04:14:11,266 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 04:14:11,267 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 04:14:11,267 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 04:14:11,268 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 04:14:11,268 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 04:14:11,269 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 04:14:11,270 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 04:14:11,271 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 04:14:11,271 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 04:14:11,272 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 04:14:11,273 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 04:14:11,273 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 04:14:11,273 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 04:14:11,273 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 04:14:11,274 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 04:14:11,274 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 04:14:11,275 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 04:14:11,275 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 04:14:11,275 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 04:14:11,276 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 04:14:11,276 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 04:14:11,276 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 04:14:11,276 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 04:14:11,277 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 04:14:11,277 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_44a5e3a5-0799-4833-bccd-7931ee3749b3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 04:14:11,284 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 04:14:11,284 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 04:14:11,285 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 04:14:11,285 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 04:14:11,285 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 04:14:11,285 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 04:14:11,285 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 04:14:11,285 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 04:14:11,285 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 04:14:11,285 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 04:14:11,285 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 04:14:11,285 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 04:14:11,286 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 04:14:11,286 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 04:14:11,286 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 04:14:11,286 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 04:14:11,286 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 04:14:11,286 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 04:14:11,286 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 04:14:11,286 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 04:14:11,287 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 04:14:11,287 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 04:14:11,287 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 04:14:11,287 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 04:14:11,287 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 04:14:11,287 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 04:14:11,287 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 04:14:11,287 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 04:14:11,287 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 04:14:11,287 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 04:14:11,287 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 04:14:11,288 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 04:14:11,288 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 04:14:11,288 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 04:14:11,288 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 04:14:11,288 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 04:14:11,288 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_44a5e3a5-0799-4833-bccd-7931ee3749b3/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 -> bd2e3a23ca3a9dd9f2f02315ad4615e39e48f52f [2018-12-02 04:14:11,305 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 04:14:11,312 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 04:14:11,313 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 04:14:11,314 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 04:14:11,314 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 04:14:11,315 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_44a5e3a5-0799-4833-bccd-7931ee3749b3/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product30_true-unreach-call_false-termination.cil.c [2018-12-02 04:14:11,350 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_44a5e3a5-0799-4833-bccd-7931ee3749b3/bin-2019/utaipan/data/dc53031c2/0aa1e52a6d50445080307e92296cc244/FLAG5de2d80f4 [2018-12-02 04:14:11,707 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 04:14:11,707 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_44a5e3a5-0799-4833-bccd-7931ee3749b3/sv-benchmarks/c/product-lines/minepump_spec4_product30_true-unreach-call_false-termination.cil.c [2018-12-02 04:14:11,713 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_44a5e3a5-0799-4833-bccd-7931ee3749b3/bin-2019/utaipan/data/dc53031c2/0aa1e52a6d50445080307e92296cc244/FLAG5de2d80f4 [2018-12-02 04:14:12,091 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_44a5e3a5-0799-4833-bccd-7931ee3749b3/bin-2019/utaipan/data/dc53031c2/0aa1e52a6d50445080307e92296cc244 [2018-12-02 04:14:12,093 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 04:14:12,094 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 04:14:12,095 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 04:14:12,095 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 04:14:12,098 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 04:14:12,099 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:14:12" (1/1) ... [2018-12-02 04:14:12,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@426424a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:14:12, skipping insertion in model container [2018-12-02 04:14:12,101 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:14:12" (1/1) ... [2018-12-02 04:14:12,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 04:14:12,139 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 04:14:12,328 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:14:12,365 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 04:14:12,403 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 04:14:12,418 INFO L195 MainTranslator]: Completed translation [2018-12-02 04:14:12,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:14:12 WrapperNode [2018-12-02 04:14:12,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 04:14:12,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 04:14:12,419 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 04:14:12,419 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 04:14:12,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:14:12" (1/1) ... [2018-12-02 04:14:12,433 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:14:12" (1/1) ... [2018-12-02 04:14:12,439 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 04:14:12,439 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 04:14:12,439 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 04:14:12,439 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 04:14:12,445 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:14:12" (1/1) ... [2018-12-02 04:14:12,445 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:14:12" (1/1) ... [2018-12-02 04:14:12,447 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:14:12" (1/1) ... [2018-12-02 04:14:12,447 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:14:12" (1/1) ... [2018-12-02 04:14:12,453 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:14:12" (1/1) ... [2018-12-02 04:14:12,457 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:14:12" (1/1) ... [2018-12-02 04:14:12,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:14:12" (1/1) ... [2018-12-02 04:14:12,460 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 04:14:12,460 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 04:14:12,460 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 04:14:12,460 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 04:14:12,461 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:14:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_44a5e3a5-0799-4833-bccd-7931ee3749b3/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 [2018-12-02 04:14:12,499 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-12-02 04:14:12,500 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-12-02 04:14:12,500 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-12-02 04:14:12,500 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-12-02 04:14:12,500 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 04:14:12,500 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 04:14:12,500 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-12-02 04:14:12,500 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-12-02 04:14:12,500 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-02 04:14:12,500 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-12-02 04:14:12,501 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-12-02 04:14:12,501 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-12-02 04:14:12,501 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-12-02 04:14:12,501 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-12-02 04:14:12,501 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-12-02 04:14:12,501 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-12-02 04:14:12,501 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-12-02 04:14:12,501 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-12-02 04:14:12,501 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-12-02 04:14:12,501 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-12-02 04:14:12,501 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-12-02 04:14:12,501 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-12-02 04:14:12,501 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-12-02 04:14:12,501 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-12-02 04:14:12,501 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-12-02 04:14:12,502 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2018-12-02 04:14:12,502 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2018-12-02 04:14:12,502 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-12-02 04:14:12,502 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-12-02 04:14:12,502 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-12-02 04:14:12,502 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-12-02 04:14:12,502 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-12-02 04:14:12,502 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-12-02 04:14:12,502 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-12-02 04:14:12,502 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-12-02 04:14:12,502 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-12-02 04:14:12,502 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-12-02 04:14:12,502 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 04:14:12,503 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2018-12-02 04:14:12,503 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-12-02 04:14:12,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-12-02 04:14:12,503 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-12-02 04:14:12,503 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-12-02 04:14:12,503 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2018-12-02 04:14:12,503 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2018-12-02 04:14:12,503 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-12-02 04:14:12,503 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-12-02 04:14:12,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-12-02 04:14:12,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 04:14:12,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 04:14:12,503 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-12-02 04:14:12,504 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-12-02 04:14:12,504 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-12-02 04:14:12,504 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-12-02 04:14:12,504 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 04:14:12,504 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 04:14:12,821 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 04:14:12,821 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-02 04:14:12,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:14:12 BoogieIcfgContainer [2018-12-02 04:14:12,822 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 04:14:12,822 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 04:14:12,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 04:14:12,824 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 04:14:12,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:14:12" (1/3) ... [2018-12-02 04:14:12,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f97b8d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:14:12, skipping insertion in model container [2018-12-02 04:14:12,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:14:12" (2/3) ... [2018-12-02 04:14:12,825 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f97b8d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:14:12, skipping insertion in model container [2018-12-02 04:14:12,825 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:14:12" (3/3) ... [2018-12-02 04:14:12,826 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product30_true-unreach-call_false-termination.cil.c [2018-12-02 04:14:12,833 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 04:14:12,838 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 04:14:12,847 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 04:14:12,865 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 04:14:12,866 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 04:14:12,866 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 04:14:12,866 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 04:14:12,866 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 04:14:12,866 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 04:14:12,866 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 04:14:12,866 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 04:14:12,878 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states. [2018-12-02 04:14:12,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-12-02 04:14:12,882 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:14:12,883 INFO L402 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] [2018-12-02 04:14:12,884 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:14:12,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:14:12,888 INFO L82 PathProgramCache]: Analyzing trace with hash 743000030, now seen corresponding path program 1 times [2018-12-02 04:14:12,889 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:14:12,917 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:14:12,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:14:12,918 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:14:12,918 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:14:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:14:13,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:14:13,023 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:14:13,023 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-02 04:14:13,023 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:14:13,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-02 04:14:13,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-02 04:14:13,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-02 04:14:13,036 INFO L87 Difference]: Start difference. First operand 139 states. Second operand 2 states. [2018-12-02 04:14:13,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:14:13,057 INFO L93 Difference]: Finished difference Result 252 states and 311 transitions. [2018-12-02 04:14:13,057 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-02 04:14:13,058 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-12-02 04:14:13,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:14:13,064 INFO L225 Difference]: With dead ends: 252 [2018-12-02 04:14:13,065 INFO L226 Difference]: Without dead ends: 126 [2018-12-02 04:14:13,067 INFO L631 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 [2018-12-02 04:14:13,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-12-02 04:14:13,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-12-02 04:14:13,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-12-02 04:14:13,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2018-12-02 04:14:13,096 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 46 [2018-12-02 04:14:13,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:14:13,097 INFO L480 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2018-12-02 04:14:13,097 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-02 04:14:13,097 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2018-12-02 04:14:13,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 04:14:13,099 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:14:13,099 INFO L402 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] [2018-12-02 04:14:13,099 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:14:13,099 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:14:13,099 INFO L82 PathProgramCache]: Analyzing trace with hash -1312326450, now seen corresponding path program 1 times [2018-12-02 04:14:13,099 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:14:13,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:14:13,100 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:14:13,100 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:14:13,101 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:14:13,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:14:13,152 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:14:13,153 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:14:13,153 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 04:14:13,153 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:14:13,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 04:14:13,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 04:14:13,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 04:14:13,154 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 3 states. [2018-12-02 04:14:13,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:14:13,166 INFO L93 Difference]: Finished difference Result 197 states and 229 transitions. [2018-12-02 04:14:13,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 04:14:13,167 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-12-02 04:14:13,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:14:13,168 INFO L225 Difference]: With dead ends: 197 [2018-12-02 04:14:13,168 INFO L226 Difference]: Without dead ends: 117 [2018-12-02 04:14:13,169 INFO L631 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 [2018-12-02 04:14:13,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-12-02 04:14:13,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-12-02 04:14:13,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-12-02 04:14:13,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 135 transitions. [2018-12-02 04:14:13,176 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 135 transitions. Word has length 47 [2018-12-02 04:14:13,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:14:13,177 INFO L480 AbstractCegarLoop]: Abstraction has 117 states and 135 transitions. [2018-12-02 04:14:13,177 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 04:14:13,177 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 135 transitions. [2018-12-02 04:14:13,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 04:14:13,178 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:14:13,178 INFO L402 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] [2018-12-02 04:14:13,178 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:14:13,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:14:13,178 INFO L82 PathProgramCache]: Analyzing trace with hash 1651298085, now seen corresponding path program 1 times [2018-12-02 04:14:13,178 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:14:13,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:14:13,179 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:14:13,179 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:14:13,179 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:14:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:14:13,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:14:13,251 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:14:13,251 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 04:14:13,251 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:14:13,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 04:14:13,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 04:14:13,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-12-02 04:14:13,252 INFO L87 Difference]: Start difference. First operand 117 states and 135 transitions. Second operand 7 states. [2018-12-02 04:14:13,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:14:13,421 INFO L93 Difference]: Finished difference Result 210 states and 247 transitions. [2018-12-02 04:14:13,422 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 04:14:13,422 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-12-02 04:14:13,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:14:13,423 INFO L225 Difference]: With dead ends: 210 [2018-12-02 04:14:13,423 INFO L226 Difference]: Without dead ends: 117 [2018-12-02 04:14:13,423 INFO L631 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 [2018-12-02 04:14:13,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-12-02 04:14:13,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-12-02 04:14:13,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-12-02 04:14:13,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 134 transitions. [2018-12-02 04:14:13,430 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 134 transitions. Word has length 52 [2018-12-02 04:14:13,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:14:13,431 INFO L480 AbstractCegarLoop]: Abstraction has 117 states and 134 transitions. [2018-12-02 04:14:13,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 04:14:13,431 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 134 transitions. [2018-12-02 04:14:13,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-12-02 04:14:13,432 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:14:13,432 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:14:13,432 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:14:13,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:14:13,432 INFO L82 PathProgramCache]: Analyzing trace with hash -326304351, now seen corresponding path program 1 times [2018-12-02 04:14:13,432 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:14:13,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:14:13,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:14:13,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:14:13,433 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:14:13,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:14:13,537 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:14:13,537 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:14:13,538 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-12-02 04:14:13,538 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:14:13,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 04:14:13,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 04:14:13,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-12-02 04:14:13,538 INFO L87 Difference]: Start difference. First operand 117 states and 134 transitions. Second operand 10 states. [2018-12-02 04:14:13,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:14:13,855 INFO L93 Difference]: Finished difference Result 376 states and 457 transitions. [2018-12-02 04:14:13,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 04:14:13,855 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 65 [2018-12-02 04:14:13,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:14:13,859 INFO L225 Difference]: With dead ends: 376 [2018-12-02 04:14:13,859 INFO L226 Difference]: Without dead ends: 283 [2018-12-02 04:14:13,860 INFO L631 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 [2018-12-02 04:14:13,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2018-12-02 04:14:13,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 279. [2018-12-02 04:14:13,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-12-02 04:14:13,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 330 transitions. [2018-12-02 04:14:13,885 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 330 transitions. Word has length 65 [2018-12-02 04:14:13,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:14:13,885 INFO L480 AbstractCegarLoop]: Abstraction has 279 states and 330 transitions. [2018-12-02 04:14:13,886 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 04:14:13,886 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 330 transitions. [2018-12-02 04:14:13,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-02 04:14:13,887 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:14:13,887 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:14:13,888 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:14:13,888 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:14:13,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1442318917, now seen corresponding path program 1 times [2018-12-02 04:14:13,888 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:14:13,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:14:13,889 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:14:13,889 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:14:13,889 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:14:13,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:14:13,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 04:14:13,940 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 04:14:13,940 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 04:14:13,940 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 04:14:13,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 04:14:13,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 04:14:13,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 04:14:13,941 INFO L87 Difference]: Start difference. First operand 279 states and 330 transitions. Second operand 3 states. [2018-12-02 04:14:13,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:14:13,959 INFO L93 Difference]: Finished difference Result 431 states and 520 transitions. [2018-12-02 04:14:13,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 04:14:13,960 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2018-12-02 04:14:13,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:14:13,961 INFO L225 Difference]: With dead ends: 431 [2018-12-02 04:14:13,961 INFO L226 Difference]: Without dead ends: 176 [2018-12-02 04:14:13,962 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 04:14:13,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-12-02 04:14:13,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2018-12-02 04:14:13,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-12-02 04:14:13,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 194 transitions. [2018-12-02 04:14:13,974 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 194 transitions. Word has length 69 [2018-12-02 04:14:13,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:14:13,975 INFO L480 AbstractCegarLoop]: Abstraction has 176 states and 194 transitions. [2018-12-02 04:14:13,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 04:14:13,975 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 194 transitions. [2018-12-02 04:14:13,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-02 04:14:13,976 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 04:14:13,977 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 04:14:13,977 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 04:14:13,977 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:14:13,977 INFO L82 PathProgramCache]: Analyzing trace with hash 412132670, now seen corresponding path program 1 times [2018-12-02 04:14:13,977 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 04:14:13,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:14:13,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:14:13,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 04:14:13,978 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 04:14:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:14:14,076 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 04:14:14,076 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:14:14,076 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 04:14:14,077 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 111 with the following transitions: [2018-12-02 04:14:14,079 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [37], [52], [55], [56], [57], [69], [78], [93], [96], [97], [98], [107], [111], [115], [118], [123], [129], [131], [137], [140], [152], [153], [154], [155], [194], [198], [204], [214], [222], [226], [227], [230], [231], [232], [233], [234], [236], [237], [238], [239], [240], [241], [242], [243], [244], [252], [253], [256], [266], [267], [268], [269], [274], [275], [284], [285], [286], [287], [288], [289], [290] [2018-12-02 04:14:14,110 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 04:14:14,110 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 04:14:14,481 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 04:14:14,481 INFO L272 AbstractInterpreter]: Visited 74 different actions 82 times. Merged at 5 different actions 5 times. Never widened. Performed 2975 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2975 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 133 variables. [2018-12-02 04:14:14,486 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 04:14:14,487 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 04:14:14,487 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 04:14:14,488 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_44a5e3a5-0799-4833-bccd-7931ee3749b3/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 04:14:14,496 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 04:14:14,496 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 04:14:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 04:14:14,581 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 04:14:14,664 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 04:14:14,664 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 04:14:14,842 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 04:14:14,857 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 04:14:14,858 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 8] total 15 [2018-12-02 04:14:14,858 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 04:14:14,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-02 04:14:14,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-02 04:14:14,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2018-12-02 04:14:14,859 INFO L87 Difference]: Start difference. First operand 176 states and 194 transitions. Second operand 12 states. [2018-12-02 04:14:15,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 04:14:15,156 INFO L93 Difference]: Finished difference Result 227 states and 251 transitions. [2018-12-02 04:14:15,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 04:14:15,156 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 110 [2018-12-02 04:14:15,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 04:14:15,156 INFO L225 Difference]: With dead ends: 227 [2018-12-02 04:14:15,157 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 04:14:15,157 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 221 SyntacticMatches, 8 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2018-12-02 04:14:15,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 04:14:15,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 04:14:15,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 04:14:15,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 04:14:15,158 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110 [2018-12-02 04:14:15,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 04:14:15,158 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 04:14:15,158 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-02 04:14:15,158 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 04:14:15,158 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 04:14:15,161 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 04:14:15,909 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 923 929) the Hoare annotation is: true [2018-12-02 04:14:15,909 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 923 929) no Hoare annotation was computed. [2018-12-02 04:14:15,909 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 930 938) no Hoare annotation was computed. [2018-12-02 04:14:15,909 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 930 938) the Hoare annotation is: true [2018-12-02 04:14:15,909 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 930 938) no Hoare annotation was computed. [2018-12-02 04:14:15,909 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 138 162) the Hoare annotation is: true [2018-12-02 04:14:15,910 INFO L444 ceAbstractionStarter]: At program point L152(line 152) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-02 04:14:15,910 INFO L448 ceAbstractionStarter]: For program point L150(lines 150 156) no Hoare annotation was computed. [2018-12-02 04:14:15,910 INFO L444 ceAbstractionStarter]: At program point L148(line 148) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-02 04:14:15,910 INFO L448 ceAbstractionStarter]: For program point L148-1(line 148) no Hoare annotation was computed. [2018-12-02 04:14:15,910 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 138 162) no Hoare annotation was computed. [2018-12-02 04:14:15,910 INFO L448 ceAbstractionStarter]: For program point L146(lines 146 159) no Hoare annotation was computed. [2018-12-02 04:14:15,910 INFO L448 ceAbstractionStarter]: For program point L146-1(lines 138 162) no Hoare annotation was computed. [2018-12-02 04:14:15,910 INFO L451 ceAbstractionStarter]: At program point L144(line 144) the Hoare annotation is: true [2018-12-02 04:14:15,910 INFO L448 ceAbstractionStarter]: For program point L144-1(line 144) no Hoare annotation was computed. [2018-12-02 04:14:15,910 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 881 903) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 04:14:15,910 INFO L444 ceAbstractionStarter]: At program point L893(line 893) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= main_~tmp~9 ~waterLevel~0) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 04:14:15,911 INFO L444 ceAbstractionStarter]: At program point L893-1(line 893) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= main_~tmp~9 ~waterLevel~0) (= main_~tmp~9 ~systemActive~0) (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 04:14:15,911 INFO L448 ceAbstractionStarter]: For program point L891(lines 891 898) no Hoare annotation was computed. [2018-12-02 04:14:15,911 INFO L448 ceAbstractionStarter]: For program point L891-1(lines 891 898) no Hoare annotation was computed. [2018-12-02 04:14:15,911 INFO L448 ceAbstractionStarter]: For program point L889(line 889) no Hoare annotation was computed. [2018-12-02 04:14:15,911 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 881 903) no Hoare annotation was computed. [2018-12-02 04:14:15,911 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 04:14:15,911 INFO L444 ceAbstractionStarter]: At program point L887(line 887) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 04:14:15,911 INFO L444 ceAbstractionStarter]: At program point L887-1(line 887) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 04:14:15,911 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 881 903) no Hoare annotation was computed. [2018-12-02 04:14:15,911 INFO L444 ceAbstractionStarter]: At program point L223(line 223) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2018-12-02 04:14:15,911 INFO L448 ceAbstractionStarter]: For program point L223-1(lines 204 228) no Hoare annotation was computed. [2018-12-02 04:14:15,912 INFO L444 ceAbstractionStarter]: At program point L218(line 218) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-02 04:14:15,912 INFO L444 ceAbstractionStarter]: At program point L214(line 214) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-02 04:14:15,912 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 220) no Hoare annotation was computed. [2018-12-02 04:14:15,912 INFO L444 ceAbstractionStarter]: At program point L210(line 210) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-02 04:14:15,912 INFO L448 ceAbstractionStarter]: For program point L210-1(line 210) no Hoare annotation was computed. [2018-12-02 04:14:15,912 INFO L444 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 204 228) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2018-12-02 04:14:15,912 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 225) no Hoare annotation was computed. [2018-12-02 04:14:15,912 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 204 228) no Hoare annotation was computed. [2018-12-02 04:14:15,912 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 299 307) no Hoare annotation was computed. [2018-12-02 04:14:15,912 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 299 307) the Hoare annotation is: true [2018-12-02 04:14:15,912 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 299 307) no Hoare annotation was computed. [2018-12-02 04:14:15,912 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 357) no Hoare annotation was computed. [2018-12-02 04:14:15,912 INFO L451 ceAbstractionStarter]: At program point L351(line 351) the Hoare annotation is: true [2018-12-02 04:14:15,913 INFO L448 ceAbstractionStarter]: For program point L353-2(lines 353 357) no Hoare annotation was computed. [2018-12-02 04:14:15,913 INFO L448 ceAbstractionStarter]: For program point L351-1(line 351) no Hoare annotation was computed. [2018-12-02 04:14:15,913 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 344 362) the Hoare annotation is: true [2018-12-02 04:14:15,913 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 344 362) no Hoare annotation was computed. [2018-12-02 04:14:15,913 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 344 362) no Hoare annotation was computed. [2018-12-02 04:14:15,913 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 916 922) no Hoare annotation was computed. [2018-12-02 04:14:15,913 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 916 922) the Hoare annotation is: true [2018-12-02 04:14:15,913 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 868 877) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 04:14:15,913 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 868 877) no Hoare annotation was computed. [2018-12-02 04:14:15,913 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 868 877) no Hoare annotation was computed. [2018-12-02 04:14:15,913 INFO L451 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 288 298) the Hoare annotation is: true [2018-12-02 04:14:15,913 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 288 298) no Hoare annotation was computed. [2018-12-02 04:14:15,913 INFO L448 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 288 298) no Hoare annotation was computed. [2018-12-02 04:14:15,913 INFO L451 ceAbstractionStarter]: At program point L293(line 293) the Hoare annotation is: true [2018-12-02 04:14:15,914 INFO L448 ceAbstractionStarter]: For program point L293-1(line 293) no Hoare annotation was computed. [2018-12-02 04:14:15,914 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 280 287) the Hoare annotation is: true [2018-12-02 04:14:15,914 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 280 287) no Hoare annotation was computed. [2018-12-02 04:14:15,914 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 280 287) no Hoare annotation was computed. [2018-12-02 04:14:15,914 INFO L444 ceAbstractionStarter]: At program point L249(line 249) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2018-12-02 04:14:15,914 INFO L448 ceAbstractionStarter]: For program point L249-1(lines 230 254) no Hoare annotation was computed. [2018-12-02 04:14:15,914 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 230 254) no Hoare annotation was computed. [2018-12-02 04:14:15,914 INFO L444 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-02 04:14:15,914 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 230 254) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2018-12-02 04:14:15,914 INFO L444 ceAbstractionStarter]: At program point L240(line 240) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-02 04:14:15,914 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-02 04:14:15,914 INFO L444 ceAbstractionStarter]: At program point L236(line 236) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< ~waterLevel~0 2) .cse1) (or .cse0 .cse1 (not (= ~waterLevel~0 1))))) [2018-12-02 04:14:15,915 INFO L448 ceAbstractionStarter]: For program point L236-1(line 236) no Hoare annotation was computed. [2018-12-02 04:14:15,915 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 251) no Hoare annotation was computed. [2018-12-02 04:14:15,915 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 196 202) no Hoare annotation was computed. [2018-12-02 04:14:15,915 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 196 202) the Hoare annotation is: true [2018-12-02 04:14:15,915 INFO L448 ceAbstractionStarter]: For program point L384(lines 383 430) no Hoare annotation was computed. [2018-12-02 04:14:15,915 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 373 438) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 04:14:15,915 INFO L444 ceAbstractionStarter]: At program point L415(line 415) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 04:14:15,915 INFO L448 ceAbstractionStarter]: For program point L413(lines 413 426) no Hoare annotation was computed. [2018-12-02 04:14:15,915 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 373 438) no Hoare annotation was computed. [2018-12-02 04:14:15,915 INFO L444 ceAbstractionStarter]: At program point L405(line 405) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 04:14:15,915 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 409) no Hoare annotation was computed. [2018-12-02 04:14:15,915 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 403 409) no Hoare annotation was computed. [2018-12-02 04:14:15,916 INFO L444 ceAbstractionStarter]: At program point L428(lines 383 430) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 04:14:15,916 INFO L444 ceAbstractionStarter]: At program point L395(line 395) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 04:14:15,916 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 399) no Hoare annotation was computed. [2018-12-02 04:14:15,916 INFO L448 ceAbstractionStarter]: For program point L393-1(lines 393 399) no Hoare annotation was computed. [2018-12-02 04:14:15,916 INFO L448 ceAbstractionStarter]: For program point L385(lines 385 389) no Hoare annotation was computed. [2018-12-02 04:14:15,916 INFO L444 ceAbstractionStarter]: At program point L431(lines 382 432) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 04:14:15,916 INFO L448 ceAbstractionStarter]: For program point L421(lines 421 425) no Hoare annotation was computed. [2018-12-02 04:14:15,916 INFO L444 ceAbstractionStarter]: At program point L421-2(lines 413 426) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1) (<= |old(~waterLevel~0)| ~waterLevel~0) (= test_~splverifierCounter~0 0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-12-02 04:14:15,916 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 373 438) no Hoare annotation was computed. [2018-12-02 04:14:15,916 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2018-12-02 04:14:15,916 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2018-12-02 04:14:15,916 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2018-12-02 04:14:15,916 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 04:14:15,917 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2018-12-02 04:14:15,917 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 04:14:15,917 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2018-12-02 04:14:15,917 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2018-12-02 04:14:15,917 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2018-12-02 04:14:15,917 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-12-02 04:14:15,917 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2018-12-02 04:14:15,917 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-12-02 04:14:15,917 INFO L451 ceAbstractionStarter]: At program point L832(lines 807 836) the Hoare annotation is: true [2018-12-02 04:14:15,917 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 807 836) no Hoare annotation was computed. [2018-12-02 04:14:15,917 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 807 836) the Hoare annotation is: true [2018-12-02 04:14:15,917 INFO L448 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2018-12-02 04:14:15,917 INFO L448 ceAbstractionStarter]: For program point L821(lines 821 825) no Hoare annotation was computed. [2018-12-02 04:14:15,917 INFO L451 ceAbstractionStarter]: At program point L821-1(lines 821 825) the Hoare annotation is: true [2018-12-02 04:14:15,917 INFO L448 ceAbstractionStarter]: For program point L818(line 818) no Hoare annotation was computed. [2018-12-02 04:14:15,918 INFO L451 ceAbstractionStarter]: At program point L817-2(lines 817 831) the Hoare annotation is: true [2018-12-02 04:14:15,918 INFO L451 ceAbstractionStarter]: At program point L813(line 813) the Hoare annotation is: true [2018-12-02 04:14:15,918 INFO L448 ceAbstractionStarter]: For program point L813-1(line 813) no Hoare annotation was computed. [2018-12-02 04:14:15,918 INFO L444 ceAbstractionStarter]: At program point L185(line 185) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2) .cse2) (or .cse0 (and .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-12-02 04:14:15,918 INFO L444 ceAbstractionStarter]: At program point L183(lines 183 189) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2) .cse2) (or .cse0 (and .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-12-02 04:14:15,918 INFO L444 ceAbstractionStarter]: At program point L178(line 178) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (< |old(~waterLevel~0)| 2) .cse1) (or .cse0 .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-12-02 04:14:15,918 INFO L448 ceAbstractionStarter]: For program point L176(lines 175 194) no Hoare annotation was computed. [2018-12-02 04:14:15,918 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 172 195) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 (and .cse1 (<= |old(~waterLevel~0)| ~waterLevel~0)) (< |old(~waterLevel~0)| 2) .cse2) (or .cse0 (and .cse1 (= ~waterLevel~0 1)) .cse2 (not (= |old(~waterLevel~0)| 1))))) [2018-12-02 04:14:15,918 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 172 195) no Hoare annotation was computed. [2018-12-02 04:14:15,918 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 172 195) no Hoare annotation was computed. [2018-12-02 04:14:15,918 INFO L451 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2018-12-02 04:14:15,918 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2018-12-02 04:14:15,919 INFO L448 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2018-12-02 04:14:15,919 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2018-12-02 04:14:15,919 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-12-02 04:14:15,919 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-12-02 04:14:15,919 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 861 867) no Hoare annotation was computed. [2018-12-02 04:14:15,919 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 861 867) the Hoare annotation is: true [2018-12-02 04:14:15,919 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 04:14:15,919 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~waterLevel~0 1) (= ~systemActive~0 1)) [2018-12-02 04:14:15,919 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 04:14:15,919 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 04:14:15,919 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 363 370) no Hoare annotation was computed. [2018-12-02 04:14:15,919 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 363 370) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~systemActive~0 1)) (.cse2 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or .cse0 .cse1 (< ~waterLevel~0 2) .cse2))) [2018-12-02 04:14:15,919 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 363 370) no Hoare annotation was computed. [2018-12-02 04:14:15,919 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-12-02 04:14:15,919 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-12-02 04:14:15,920 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (<= |old(~waterLevel~0)| ~waterLevel~0) .cse1 (< |old(~waterLevel~0)| 2)) (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))))) [2018-12-02 04:14:15,920 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 940 947) no Hoare annotation was computed. [2018-12-02 04:14:15,920 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 944) no Hoare annotation was computed. [2018-12-02 04:14:15,920 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 940 947) the Hoare annotation is: true [2018-12-02 04:14:15,920 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 940 947) no Hoare annotation was computed. [2018-12-02 04:14:15,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:14:15 BoogieIcfgContainer [2018-12-02 04:14:15,929 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 04:14:15,929 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 04:14:15,929 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 04:14:15,929 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 04:14:15,930 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:14:12" (3/4) ... [2018-12-02 04:14:15,933 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 04:14:15,937 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-12-02 04:14:15,937 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-12-02 04:14:15,937 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-12-02 04:14:15,937 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 04:14:15,937 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2018-12-02 04:14:15,937 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-12-02 04:14:15,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-12-02 04:14:15,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-12-02 04:14:15,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-12-02 04:14:15,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2018-12-02 04:14:15,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-12-02 04:14:15,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-12-02 04:14:15,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-12-02 04:14:15,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-12-02 04:14:15,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-12-02 04:14:15,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 04:14:15,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-12-02 04:14:15,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-12-02 04:14:15,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-12-02 04:14:15,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-12-02 04:14:15,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2018-12-02 04:14:15,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-12-02 04:14:15,938 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-12-02 04:14:15,939 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-12-02 04:14:15,939 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-12-02 04:14:15,939 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-12-02 04:14:15,942 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-12-02 04:14:15,943 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-12-02 04:14:15,943 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 04:14:15,943 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 04:14:15,943 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 04:14:15,943 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 04:14:15,960 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && systemActive == 1) && \old(waterLevel) <= waterLevel) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-02 04:14:15,960 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-12-02 04:14:15,981 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_44a5e3a5-0799-4833-bccd-7931ee3749b3/bin-2019/utaipan/witness.graphml [2018-12-02 04:14:15,981 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 04:14:15,982 INFO L168 Benchmark]: Toolchain (without parser) took 3887.76 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 309.9 MB). Free memory was 947.0 MB in the beginning and 1.2 GB in the end (delta: -231.7 MB). Peak memory consumption was 78.1 MB. Max. memory is 11.5 GB. [2018-12-02 04:14:15,982 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 04:14:15,982 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -159.0 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-02 04:14:15,983 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.96 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. [2018-12-02 04:14:15,983 INFO L168 Benchmark]: Boogie Preprocessor took 20.70 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. [2018-12-02 04:14:15,983 INFO L168 Benchmark]: RCFGBuilder took 361.91 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: 45.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 11.5 GB. [2018-12-02 04:14:15,983 INFO L168 Benchmark]: TraceAbstraction took 3106.67 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 187.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -127.4 MB). Peak memory consumption was 371.5 MB. Max. memory is 11.5 GB. [2018-12-02 04:14:15,983 INFO L168 Benchmark]: Witness Printer took 51.84 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. [2018-12-02 04:14:15,984 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 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 323.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 122.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -159.0 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.96 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 20.70 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 361.91 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: 45.1 MB). Peak memory consumption was 45.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3106.67 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 187.2 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -127.4 MB). Peak memory consumption was 371.5 MB. Max. memory is 11.5 GB. * Witness Printer took 51.84 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 944]: 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: 807]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 383]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || (((0 == pumpRunning && systemActive == 1) && \old(waterLevel) <= waterLevel) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 139 locations, 1 error locations. SAFE Result, 3.0s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 769 SDtfs, 584 SDslu, 1594 SDs, 0 SdLazy, 948 SolverSat, 162 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 295 GetRequests, 241 SyntacticMatches, 9 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=279occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.4s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 59 LocationsWithAnnotation, 408 PreInvPairs, 423 NumberOfFragments, 939 HoareAnnotationTreeSize, 408 FomulaSimplifications, 21 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 59 FomulaSimplificationsInter, 1194 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 499 NumberOfCodeBlocks, 499 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 601 ConstructedInterpolants, 0 QuantifiedInterpolants, 104777 SizeOfPredicates, 3 NumberOfNonLiveVariables, 764 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 102/111 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...