./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0bbf7954-b332-489b-8fe0-d5a0f4c13e69/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0bbf7954-b332-489b-8fe0-d5a0f4c13e69/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0bbf7954-b332-489b-8fe0-d5a0f4c13e69/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0bbf7954-b332-489b-8fe0-d5a0f4c13e69/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0bbf7954-b332-489b-8fe0-d5a0f4c13e69/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0bbf7954-b332-489b-8fe0-d5a0f4c13e69/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 0040f6786a06aedabfd1d9c06a96268fa6592c87 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 04:03:49,153 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:03:49,154 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:03:49,160 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:03:49,160 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:03:49,161 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:03:49,162 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:03:49,163 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:03:49,164 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:03:49,165 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:03:49,165 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:03:49,166 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:03:49,166 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:03:49,167 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:03:49,167 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:03:49,168 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:03:49,168 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:03:49,169 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:03:49,170 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:03:49,171 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:03:49,172 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:03:49,173 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:03:49,174 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:03:49,175 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:03:49,175 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:03:49,175 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:03:49,176 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:03:49,176 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:03:49,177 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:03:49,177 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:03:49,177 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:03:49,178 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:03:49,178 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:03:49,178 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:03:49,178 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:03:49,179 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:03:49,179 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0bbf7954-b332-489b-8fe0-d5a0f4c13e69/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 04:03:49,186 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:03:49,186 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:03:49,186 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 04:03:49,186 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 04:03:49,186 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 04:03:49,187 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 04:03:49,187 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 04:03:49,187 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 04:03:49,187 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 04:03:49,187 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 04:03:49,187 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 04:03:49,187 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 04:03:49,188 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 04:03:49,188 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:03:49,188 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 04:03:49,188 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 04:03:49,188 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 04:03:49,189 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:03:49,189 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 04:03:49,189 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 04:03:49,189 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 04:03:49,189 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 04:03:49,189 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:03:49,189 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:03:49,190 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 04:03:49,190 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:03:49,190 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 04:03:49,190 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 04:03:49,190 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 04:03:49,190 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 04:03:49,190 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:03:49,190 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 04:03:49,191 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 04:03:49,191 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 04:03:49,191 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 04:03:49,191 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 04:03:49,191 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 04:03:49,191 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_0bbf7954-b332-489b-8fe0-d5a0f4c13e69/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 -> 0040f6786a06aedabfd1d9c06a96268fa6592c87 [2018-11-23 04:03:49,215 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:03:49,225 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:03:49,227 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:03:49,229 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:03:49,229 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:03:49,230 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0bbf7954-b332-489b-8fe0-d5a0f4c13e69/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c [2018-11-23 04:03:49,276 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0bbf7954-b332-489b-8fe0-d5a0f4c13e69/bin-2019/utaipan/data/0bab0959f/793cfbeffa324cc4990741c29a63d242/FLAG436296a9c [2018-11-23 04:03:49,643 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:03:49,644 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0bbf7954-b332-489b-8fe0-d5a0f4c13e69/sv-benchmarks/c/product-lines/minepump_spec4_product28_true-unreach-call_false-termination.cil.c [2018-11-23 04:03:49,654 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0bbf7954-b332-489b-8fe0-d5a0f4c13e69/bin-2019/utaipan/data/0bab0959f/793cfbeffa324cc4990741c29a63d242/FLAG436296a9c [2018-11-23 04:03:50,038 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0bbf7954-b332-489b-8fe0-d5a0f4c13e69/bin-2019/utaipan/data/0bab0959f/793cfbeffa324cc4990741c29a63d242 [2018-11-23 04:03:50,040 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:03:50,041 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:03:50,041 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:03:50,041 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:03:50,043 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:03:50,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:03:50" (1/1) ... [2018-11-23 04:03:50,046 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@610f8d0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:50, skipping insertion in model container [2018-11-23 04:03:50,046 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:03:50" (1/1) ... [2018-11-23 04:03:50,053 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:03:50,083 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:03:50,279 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:03:50,288 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:03:50,387 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:03:50,403 INFO L195 MainTranslator]: Completed translation [2018-11-23 04:03:50,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:50 WrapperNode [2018-11-23 04:03:50,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:03:50,404 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 04:03:50,404 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 04:03:50,404 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 04:03:50,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:50" (1/1) ... [2018-11-23 04:03:50,422 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:50" (1/1) ... [2018-11-23 04:03:50,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 04:03:50,429 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 04:03:50,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 04:03:50,430 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 04:03:50,437 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:50" (1/1) ... [2018-11-23 04:03:50,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:50" (1/1) ... [2018-11-23 04:03:50,439 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:50" (1/1) ... [2018-11-23 04:03:50,439 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:50" (1/1) ... [2018-11-23 04:03:50,446 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:50" (1/1) ... [2018-11-23 04:03:50,450 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:50" (1/1) ... [2018-11-23 04:03:50,451 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:50" (1/1) ... [2018-11-23 04:03:50,453 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 04:03:50,453 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 04:03:50,453 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 04:03:50,454 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 04:03:50,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0bbf7954-b332-489b-8fe0-d5a0f4c13e69/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 04:03:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 04:03:50,491 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 04:03:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2018-11-23 04:03:50,491 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2018-11-23 04:03:50,491 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 04:03:50,491 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 04:03:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 04:03:50,492 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 04:03:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 04:03:50,492 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 04:03:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 04:03:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 04:03:50,492 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 04:03:50,492 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 04:03:50,492 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 04:03:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 04:03:50,493 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 04:03:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 04:03:50,493 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 04:03:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 04:03:50,493 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 04:03:50,493 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 04:03:50,493 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 04:03:50,494 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 04:03:50,494 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 04:03:50,494 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 04:03:50,494 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 04:03:50,494 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 04:03:50,494 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 04:03:50,494 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 04:03:50,494 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 04:03:50,494 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 04:03:50,494 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 04:03:50,495 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 04:03:50,495 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 04:03:50,495 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 04:03:50,495 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 04:03:50,495 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 04:03:50,495 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 04:03:50,495 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 04:03:50,495 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 04:03:50,495 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 04:03:50,496 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 04:03:50,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 04:03:50,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 04:03:50,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 04:03:50,496 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 04:03:50,496 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 04:03:50,496 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 04:03:50,496 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 04:03:50,496 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 04:03:50,496 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 04:03:50,898 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 04:03:50,899 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 04:03:50,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:03:50 BoogieIcfgContainer [2018-11-23 04:03:50,899 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 04:03:50,900 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 04:03:50,900 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 04:03:50,902 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 04:03:50,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:03:50" (1/3) ... [2018-11-23 04:03:50,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bb7d330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:03:50, skipping insertion in model container [2018-11-23 04:03:50,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:03:50" (2/3) ... [2018-11-23 04:03:50,904 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bb7d330 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:03:50, skipping insertion in model container [2018-11-23 04:03:50,904 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:03:50" (3/3) ... [2018-11-23 04:03:50,905 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product28_true-unreach-call_false-termination.cil.c [2018-11-23 04:03:50,914 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 04:03:50,920 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 04:03:50,933 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 04:03:50,958 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 04:03:50,959 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 04:03:50,959 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 04:03:50,959 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 04:03:50,959 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 04:03:50,959 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 04:03:50,959 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 04:03:50,959 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 04:03:50,976 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states. [2018-11-23 04:03:50,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-11-23 04:03:50,983 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:03:50,984 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] [2018-11-23 04:03:50,986 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:03:50,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:03:50,990 INFO L82 PathProgramCache]: Analyzing trace with hash -1519028375, now seen corresponding path program 1 times [2018-11-23 04:03:50,992 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:03:51,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:03:51,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:03:51,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:03:51,030 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:03:51,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:03:51,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:03:51,182 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:03:51,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 04:03:51,183 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:03:51,187 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 04:03:51,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 04:03:51,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 04:03:51,198 INFO L87 Difference]: Start difference. First operand 127 states. Second operand 2 states. [2018-11-23 04:03:51,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:03:51,222 INFO L93 Difference]: Finished difference Result 228 states and 283 transitions. [2018-11-23 04:03:51,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 04:03:51,223 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2018-11-23 04:03:51,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:03:51,230 INFO L225 Difference]: With dead ends: 228 [2018-11-23 04:03:51,230 INFO L226 Difference]: Without dead ends: 114 [2018-11-23 04:03:51,233 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 [2018-11-23 04:03:51,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-11-23 04:03:51,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-11-23 04:03:51,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-11-23 04:03:51,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2018-11-23 04:03:51,267 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 46 [2018-11-23 04:03:51,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:03:51,268 INFO L480 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2018-11-23 04:03:51,268 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 04:03:51,268 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2018-11-23 04:03:51,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-23 04:03:51,270 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:03:51,270 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] [2018-11-23 04:03:51,270 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:03:51,271 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:03:51,271 INFO L82 PathProgramCache]: Analyzing trace with hash -1219387168, now seen corresponding path program 1 times [2018-11-23 04:03:51,271 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:03:51,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:03:51,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:03:51,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:03:51,272 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:03:51,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:03:51,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:03:51,354 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:03:51,355 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 04:03:51,355 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:03:51,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 04:03:51,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 04:03:51,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 04:03:51,357 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 3 states. [2018-11-23 04:03:51,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:03:51,372 INFO L93 Difference]: Finished difference Result 167 states and 193 transitions. [2018-11-23 04:03:51,372 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 04:03:51,372 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2018-11-23 04:03:51,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:03:51,374 INFO L225 Difference]: With dead ends: 167 [2018-11-23 04:03:51,374 INFO L226 Difference]: Without dead ends: 105 [2018-11-23 04:03:51,375 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 [2018-11-23 04:03:51,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-11-23 04:03:51,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-11-23 04:03:51,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-11-23 04:03:51,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 121 transitions. [2018-11-23 04:03:51,385 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 121 transitions. Word has length 47 [2018-11-23 04:03:51,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:03:51,385 INFO L480 AbstractCegarLoop]: Abstraction has 105 states and 121 transitions. [2018-11-23 04:03:51,385 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 04:03:51,386 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 121 transitions. [2018-11-23 04:03:51,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-23 04:03:51,387 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:03:51,387 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] [2018-11-23 04:03:51,387 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:03:51,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:03:51,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1593784938, now seen corresponding path program 1 times [2018-11-23 04:03:51,388 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:03:51,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:03:51,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:03:51,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:03:51,389 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:03:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:03:51,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:03:51,491 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:03:51,492 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 04:03:51,492 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:03:51,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 04:03:51,492 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 04:03:51,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 04:03:51,493 INFO L87 Difference]: Start difference. First operand 105 states and 121 transitions. Second operand 7 states. [2018-11-23 04:03:51,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:03:51,818 INFO L93 Difference]: Finished difference Result 317 states and 383 transitions. [2018-11-23 04:03:51,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 04:03:51,818 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2018-11-23 04:03:51,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:03:51,821 INFO L225 Difference]: With dead ends: 317 [2018-11-23 04:03:51,821 INFO L226 Difference]: Without dead ends: 236 [2018-11-23 04:03:51,822 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 [2018-11-23 04:03:51,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-11-23 04:03:51,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 224. [2018-11-23 04:03:51,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2018-11-23 04:03:51,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 270 transitions. [2018-11-23 04:03:51,851 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 270 transitions. Word has length 52 [2018-11-23 04:03:51,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:03:51,852 INFO L480 AbstractCegarLoop]: Abstraction has 224 states and 270 transitions. [2018-11-23 04:03:51,852 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 04:03:51,852 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 270 transitions. [2018-11-23 04:03:51,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-11-23 04:03:51,854 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:03:51,854 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] [2018-11-23 04:03:51,854 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:03:51,854 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:03:51,855 INFO L82 PathProgramCache]: Analyzing trace with hash -244838507, now seen corresponding path program 1 times [2018-11-23 04:03:51,855 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:03:51,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:03:51,856 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:03:51,856 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:03:51,856 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:03:51,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:03:52,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:03:52,017 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:03:52,017 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-11-23 04:03:52,017 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:03:52,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 04:03:52,018 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 04:03:52,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2018-11-23 04:03:52,018 INFO L87 Difference]: Start difference. First operand 224 states and 270 transitions. Second operand 10 states. [2018-11-23 04:03:52,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:03:52,422 INFO L93 Difference]: Finished difference Result 776 states and 999 transitions. [2018-11-23 04:03:52,423 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 04:03:52,423 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2018-11-23 04:03:52,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:03:52,427 INFO L225 Difference]: With dead ends: 776 [2018-11-23 04:03:52,428 INFO L226 Difference]: Without dead ends: 576 [2018-11-23 04:03:52,429 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 [2018-11-23 04:03:52,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2018-11-23 04:03:52,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 564. [2018-11-23 04:03:52,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 564 states. [2018-11-23 04:03:52,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 564 states and 700 transitions. [2018-11-23 04:03:52,477 INFO L78 Accepts]: Start accepts. Automaton has 564 states and 700 transitions. Word has length 57 [2018-11-23 04:03:52,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:03:52,477 INFO L480 AbstractCegarLoop]: Abstraction has 564 states and 700 transitions. [2018-11-23 04:03:52,477 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 04:03:52,477 INFO L276 IsEmpty]: Start isEmpty. Operand 564 states and 700 transitions. [2018-11-23 04:03:52,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-23 04:03:52,480 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:03:52,480 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] [2018-11-23 04:03:52,480 INFO L423 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:03:52,480 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:03:52,481 INFO L82 PathProgramCache]: Analyzing trace with hash -1817462981, now seen corresponding path program 1 times [2018-11-23 04:03:52,481 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:03:52,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:03:52,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:03:52,482 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:03:52,482 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:03:52,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:03:52,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:03:52,559 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:03:52,559 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 04:03:52,559 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:03:52,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 04:03:52,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 04:03:52,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 04:03:52,560 INFO L87 Difference]: Start difference. First operand 564 states and 700 transitions. Second operand 4 states. [2018-11-23 04:03:52,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:03:52,641 INFO L93 Difference]: Finished difference Result 948 states and 1210 transitions. [2018-11-23 04:03:52,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-23 04:03:52,642 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-11-23 04:03:52,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:03:52,644 INFO L225 Difference]: With dead ends: 948 [2018-11-23 04:03:52,644 INFO L226 Difference]: Without dead ends: 408 [2018-11-23 04:03:52,646 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 04:03:52,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 408 states. [2018-11-23 04:03:52,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 408 to 396. [2018-11-23 04:03:52,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 396 states. [2018-11-23 04:03:52,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 396 states and 458 transitions. [2018-11-23 04:03:52,666 INFO L78 Accepts]: Start accepts. Automaton has 396 states and 458 transitions. Word has length 61 [2018-11-23 04:03:52,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:03:52,666 INFO L480 AbstractCegarLoop]: Abstraction has 396 states and 458 transitions. [2018-11-23 04:03:52,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 04:03:52,666 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 458 transitions. [2018-11-23 04:03:52,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-23 04:03:52,668 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:03:52,668 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:03:52,668 INFO L423 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:03:52,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:03:52,669 INFO L82 PathProgramCache]: Analyzing trace with hash 902050314, now seen corresponding path program 1 times [2018-11-23 04:03:52,669 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:03:52,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:03:52,670 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:03:52,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:03:52,670 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:03:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:03:52,758 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-23 04:03:52,758 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:03:52,758 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:03:52,759 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 90 with the following transitions: [2018-11-23 04:03:52,760 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [3], [5], [8], [10], [13], [19], [21], [22], [26], [29], [42], [44], [45], [46], [47], [59], [84], [93], [97], [101], [104], [109], [115], [117], [123], [126], [129], [139], [140], [141], [142], [181], [188], [191], [199], [207], [211], [212], [215], [216], [217], [218], [219], [221], [222], [223], [224], [225], [226], [227], [228], [229], [235], [245], [246], [251], [252], [253], [254], [265], [266], [267], [268], [269] [2018-11-23 04:03:52,784 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:03:52,784 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:03:53,260 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 04:03:53,261 INFO L272 AbstractInterpreter]: Visited 65 different actions 139 times. Merged at 13 different actions 19 times. Never widened. Performed 4595 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4595 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 133 variables. [2018-11-23 04:03:53,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:03:53,276 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 04:03:53,569 INFO L227 lantSequenceWeakener]: Weakened 85 states. On average, predicates are now at 98.57% of their original sizes. [2018-11-23 04:03:53,569 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 04:03:53,619 INFO L415 sIntCurrentIteration]: We unified 88 AI predicates to 88 [2018-11-23 04:03:53,619 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 04:03:53,620 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 04:03:53,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [7] total 14 [2018-11-23 04:03:53,620 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:03:53,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 04:03:53,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 04:03:53,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-11-23 04:03:53,621 INFO L87 Difference]: Start difference. First operand 396 states and 458 transitions. Second operand 9 states. [2018-11-23 04:03:54,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:03:54,476 INFO L93 Difference]: Finished difference Result 662 states and 774 transitions. [2018-11-23 04:03:54,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 04:03:54,476 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 89 [2018-11-23 04:03:54,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:03:54,477 INFO L225 Difference]: With dead ends: 662 [2018-11-23 04:03:54,477 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 04:03:54,478 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 98 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2018-11-23 04:03:54,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 04:03:54,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 04:03:54,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 04:03:54,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 04:03:54,479 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2018-11-23 04:03:54,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:03:54,479 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 04:03:54,479 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 04:03:54,479 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 04:03:54,479 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 04:03:54,483 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 04:03:54,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:03:54,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:03:54,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:03:54,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:03:55,218 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 23 DAG size of output: 21 [2018-11-23 04:03:55,432 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 464 470) the Hoare annotation is: true [2018-11-23 04:03:55,432 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 464 470) no Hoare annotation was computed. [2018-11-23 04:03:55,432 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 471 479) no Hoare annotation was computed. [2018-11-23 04:03:55,432 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 471 479) the Hoare annotation is: true [2018-11-23 04:03:55,432 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 471 479) no Hoare annotation was computed. [2018-11-23 04:03:55,432 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 417 441) the Hoare annotation is: true [2018-11-23 04:03:55,432 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 417 441) no Hoare annotation was computed. [2018-11-23 04:03:55,432 INFO L444 ceAbstractionStarter]: At program point L431(line 431) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 (not (= ~systemActive~0 1))) (or .cse0 (not (= ~systemActive~0 0))))) [2018-11-23 04:03:55,432 INFO L448 ceAbstractionStarter]: For program point L429(lines 429 435) no Hoare annotation was computed. [2018-11-23 04:03:55,433 INFO L444 ceAbstractionStarter]: At program point L427(line 427) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~waterLevel~0 0))) (and (or .cse0 .cse1 (not (= ~systemActive~0 1))) (or .cse0 (not (= ~systemActive~0 0)) .cse1))) [2018-11-23 04:03:55,433 INFO L448 ceAbstractionStarter]: For program point L427-1(line 427) no Hoare annotation was computed. [2018-11-23 04:03:55,433 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 438) no Hoare annotation was computed. [2018-11-23 04:03:55,433 INFO L448 ceAbstractionStarter]: For program point L425-1(lines 417 441) no Hoare annotation was computed. [2018-11-23 04:03:55,433 INFO L451 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2018-11-23 04:03:55,433 INFO L448 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2018-11-23 04:03:55,433 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 848 870) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 04:03:55,433 INFO L444 ceAbstractionStarter]: At program point L860(line 860) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 04:03:55,433 INFO L444 ceAbstractionStarter]: At program point L860-1(line 860) the Hoare annotation is: (or (and (= ~waterLevel~0 1) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 04:03:55,433 INFO L448 ceAbstractionStarter]: For program point L858(lines 858 865) no Hoare annotation was computed. [2018-11-23 04:03:55,433 INFO L448 ceAbstractionStarter]: For program point L858-1(lines 858 865) no Hoare annotation was computed. [2018-11-23 04:03:55,434 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 848 870) no Hoare annotation was computed. [2018-11-23 04:03:55,434 INFO L448 ceAbstractionStarter]: For program point L856(line 856) no Hoare annotation was computed. [2018-11-23 04:03:55,434 INFO L444 ceAbstractionStarter]: At program point L855(line 855) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 04:03:55,434 INFO L444 ceAbstractionStarter]: At program point L854(line 854) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 04:03:55,434 INFO L444 ceAbstractionStarter]: At program point L854-1(line 854) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 04:03:55,434 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 848 870) no Hoare annotation was computed. [2018-11-23 04:03:55,434 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 660 674) no Hoare annotation was computed. [2018-11-23 04:03:55,434 INFO L444 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-23 04:03:55,434 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 670) no Hoare annotation was computed. [2018-11-23 04:03:55,434 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 660 674) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or (not (= |old(~systemActive~0)| 0)) .cse0 (= ~systemActive~0 0)) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)))) [2018-11-23 04:03:55,434 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 660 674) no Hoare annotation was computed. [2018-11-23 04:03:55,435 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 596 604) no Hoare annotation was computed. [2018-11-23 04:03:55,435 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 596 604) the Hoare annotation is: true [2018-11-23 04:03:55,435 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 596 604) no Hoare annotation was computed. [2018-11-23 04:03:55,435 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 654) no Hoare annotation was computed. [2018-11-23 04:03:55,435 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 641 659) the Hoare annotation is: true [2018-11-23 04:03:55,435 INFO L451 ceAbstractionStarter]: At program point L648(line 648) the Hoare annotation is: true [2018-11-23 04:03:55,435 INFO L448 ceAbstractionStarter]: For program point L650-2(lines 650 654) no Hoare annotation was computed. [2018-11-23 04:03:55,435 INFO L448 ceAbstractionStarter]: For program point L648-1(line 648) no Hoare annotation was computed. [2018-11-23 04:03:55,435 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 641 659) no Hoare annotation was computed. [2018-11-23 04:03:55,435 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 641 659) no Hoare annotation was computed. [2018-11-23 04:03:55,435 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 457 463) no Hoare annotation was computed. [2018-11-23 04:03:55,435 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 457 463) the Hoare annotation is: true [2018-11-23 04:03:55,435 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 838 847) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 04:03:55,436 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 838 847) no Hoare annotation was computed. [2018-11-23 04:03:55,436 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 838 847) no Hoare annotation was computed. [2018-11-23 04:03:55,436 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 577 584) the Hoare annotation is: true [2018-11-23 04:03:55,436 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 577 584) no Hoare annotation was computed. [2018-11-23 04:03:55,436 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 577 584) no Hoare annotation was computed. [2018-11-23 04:03:55,436 INFO L444 ceAbstractionStarter]: At program point L545(line 545) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 04:03:55,436 INFO L448 ceAbstractionStarter]: For program point L545-1(lines 526 550) no Hoare annotation was computed. [2018-11-23 04:03:55,436 INFO L444 ceAbstractionStarter]: At program point L540(line 540) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 04:03:55,436 INFO L444 ceAbstractionStarter]: At program point L536(line 536) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 04:03:55,436 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 526 550) no Hoare annotation was computed. [2018-11-23 04:03:55,436 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 542) no Hoare annotation was computed. [2018-11-23 04:03:55,436 INFO L444 ceAbstractionStarter]: At program point L532(line 532) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1))) [2018-11-23 04:03:55,437 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 526 550) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= |old(~pumpRunning~0)| ~pumpRunning~0) (not (= ~systemActive~0 1))) [2018-11-23 04:03:55,437 INFO L448 ceAbstractionStarter]: For program point L532-1(line 532) no Hoare annotation was computed. [2018-11-23 04:03:55,437 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 547) no Hoare annotation was computed. [2018-11-23 04:03:55,437 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 518 524) no Hoare annotation was computed. [2018-11-23 04:03:55,437 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 518 524) the Hoare annotation is: true [2018-11-23 04:03:55,437 INFO L444 ceAbstractionStarter]: At program point L929(lines 882 931) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) .cse0 .cse1) (and (= ~systemActive~0 0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 04:03:55,437 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 872 939) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~waterLevel~0 1) (= ~systemActive~0 1) (= |old(~pumpRunning~0)| ~pumpRunning~0)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 04:03:55,437 INFO L444 ceAbstractionStarter]: At program point L894(line 894) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) .cse0 .cse1) (and (= ~systemActive~0 0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 04:03:55,437 INFO L448 ceAbstractionStarter]: For program point L892(lines 892 898) no Hoare annotation was computed. [2018-11-23 04:03:55,437 INFO L448 ceAbstractionStarter]: For program point L892-1(lines 892 898) no Hoare annotation was computed. [2018-11-23 04:03:55,437 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 872 939) no Hoare annotation was computed. [2018-11-23 04:03:55,437 INFO L448 ceAbstractionStarter]: For program point L884(lines 884 888) no Hoare annotation was computed. [2018-11-23 04:03:55,438 INFO L444 ceAbstractionStarter]: At program point L932(lines 881 933) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 04:03:55,438 INFO L444 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 04:03:55,438 INFO L448 ceAbstractionStarter]: For program point L920(lines 920 926) no Hoare annotation was computed. [2018-11-23 04:03:55,438 INFO L444 ceAbstractionStarter]: At program point L920-1(lines 912 927) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) .cse0 .cse1) (and (= ~systemActive~0 0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 04:03:55,438 INFO L448 ceAbstractionStarter]: For program point L883(lines 882 931) no Hoare annotation was computed. [2018-11-23 04:03:55,438 INFO L444 ceAbstractionStarter]: At program point L914(line 914) the Hoare annotation is: (or (and (= |old(~pumpRunning~0)| ~pumpRunning~0) (= test_~splverifierCounter~0 0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2018-11-23 04:03:55,438 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 927) no Hoare annotation was computed. [2018-11-23 04:03:55,438 INFO L444 ceAbstractionStarter]: At program point L904(line 904) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse1 (= test_~splverifierCounter~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= ~systemActive~0 1) .cse0 .cse1) (and (= ~systemActive~0 0) .cse0 .cse1) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)))) [2018-11-23 04:03:55,438 INFO L448 ceAbstractionStarter]: For program point L902(lines 902 908) no Hoare annotation was computed. [2018-11-23 04:03:55,438 INFO L448 ceAbstractionStarter]: For program point L902-1(lines 902 908) no Hoare annotation was computed. [2018-11-23 04:03:55,439 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 872 939) no Hoare annotation was computed. [2018-11-23 04:03:55,439 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 765 773) no Hoare annotation was computed. [2018-11-23 04:03:55,439 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 765 773) the Hoare annotation is: true [2018-11-23 04:03:55,439 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 765 773) no Hoare annotation was computed. [2018-11-23 04:03:55,439 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 04:03:55,439 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~pumpRunning~0)| ~pumpRunning~0) [2018-11-23 04:03:55,439 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 04:03:55,439 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 756 764) the Hoare annotation is: true [2018-11-23 04:03:55,439 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 756 764) no Hoare annotation was computed. [2018-11-23 04:03:55,439 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 756 764) no Hoare annotation was computed. [2018-11-23 04:03:55,439 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 712 723) the Hoare annotation is: true [2018-11-23 04:03:55,439 INFO L448 ceAbstractionStarter]: For program point L716-1(lines 712 723) no Hoare annotation was computed. [2018-11-23 04:03:55,439 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 712 723) no Hoare annotation was computed. [2018-11-23 04:03:55,439 INFO L451 ceAbstractionStarter]: At program point L801(lines 776 805) the Hoare annotation is: true [2018-11-23 04:03:55,440 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 776 805) no Hoare annotation was computed. [2018-11-23 04:03:55,440 INFO L448 ceAbstractionStarter]: For program point L797(line 797) no Hoare annotation was computed. [2018-11-23 04:03:55,440 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 776 805) the Hoare annotation is: true [2018-11-23 04:03:55,440 INFO L448 ceAbstractionStarter]: For program point L790(lines 790 794) no Hoare annotation was computed. [2018-11-23 04:03:55,440 INFO L451 ceAbstractionStarter]: At program point L790-1(lines 790 794) the Hoare annotation is: true [2018-11-23 04:03:55,440 INFO L448 ceAbstractionStarter]: For program point L787(line 787) no Hoare annotation was computed. [2018-11-23 04:03:55,440 INFO L451 ceAbstractionStarter]: At program point L786-2(lines 786 800) the Hoare annotation is: true [2018-11-23 04:03:55,440 INFO L451 ceAbstractionStarter]: At program point L782(line 782) the Hoare annotation is: true [2018-11-23 04:03:55,440 INFO L448 ceAbstractionStarter]: For program point L782-1(line 782) no Hoare annotation was computed. [2018-11-23 04:03:55,440 INFO L444 ceAbstractionStarter]: At program point L507(line 507) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 (= ~waterLevel~0 1) .cse1 (not (= |old(~waterLevel~0)| 1))) (or .cse0 (= |old(~pumpRunning~0)| ~pumpRunning~0) .cse1) (or .cse0 (not (= ~systemActive~0 0))) (or (not (= ~waterLevel~0 0)) .cse0 (= |old(~waterLevel~0)| 0) .cse1))) [2018-11-23 04:03:55,441 INFO L444 ceAbstractionStarter]: At program point L505(lines 505 511) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~waterLevel~0 0))) (.cse7 (= |old(~waterLevel~0)| 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 0))) (.cse1 (= ~waterLevel~0 1)) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2) (or .cse0 .cse5 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse6 .cse0 .cse7 .cse2) (or .cse0 .cse5 .cse1 .cse3))) [2018-11-23 04:03:55,441 INFO L444 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (= ~systemActive~0 1))) (or .cse0 (not (= ~systemActive~0 0))))) [2018-11-23 04:03:55,441 INFO L448 ceAbstractionStarter]: For program point L498(lines 497 516) no Hoare annotation was computed. [2018-11-23 04:03:55,441 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 494 517) the Hoare annotation is: (let ((.cse4 (= |old(~pumpRunning~0)| ~pumpRunning~0)) (.cse6 (not (= ~waterLevel~0 0))) (.cse7 (= |old(~waterLevel~0)| 0)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= ~systemActive~0 0))) (.cse1 (= ~waterLevel~0 1)) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2) (or .cse0 .cse5 .cse4) (or .cse0 .cse5 .cse6 .cse7) (or .cse6 .cse0 .cse7 .cse2) (or .cse0 .cse5 .cse1 .cse3))) [2018-11-23 04:03:55,441 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 494 517) no Hoare annotation was computed. [2018-11-23 04:03:55,441 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 494 517) no Hoare annotation was computed. [2018-11-23 04:03:55,441 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 688 699) the Hoare annotation is: true [2018-11-23 04:03:55,441 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 688 699) no Hoare annotation was computed. [2018-11-23 04:03:55,441 INFO L448 ceAbstractionStarter]: For program point L692-1(lines 688 699) no Hoare annotation was computed. [2018-11-23 04:03:55,441 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 830 836) no Hoare annotation was computed. [2018-11-23 04:03:55,442 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 830 836) the Hoare annotation is: true [2018-11-23 04:03:55,442 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 04:03:55,442 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ~systemActive~0 1)) [2018-11-23 04:03:55,442 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 04:03:55,442 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 04:03:55,442 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 675 682) no Hoare annotation was computed. [2018-11-23 04:03:55,442 INFO L444 ceAbstractionStarter]: At program point startSystemENTRY(lines 675 682) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (= |old(~systemActive~0)| 0)) (= ~systemActive~0 0)) [2018-11-23 04:03:55,442 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 675 682) no Hoare annotation was computed. [2018-11-23 04:03:55,442 INFO L448 ceAbstractionStarter]: For program point L704-1(lines 700 711) no Hoare annotation was computed. [2018-11-23 04:03:55,442 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 700 711) no Hoare annotation was computed. [2018-11-23 04:03:55,443 INFO L444 ceAbstractionStarter]: At program point waterRiseENTRY(lines 700 711) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (= ~waterLevel~0 1)) (.cse2 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 (not (= ~systemActive~0 1)) .cse2) (or .cse0 (not (= ~systemActive~0 0)) .cse1 .cse2))) [2018-11-23 04:03:55,443 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2018-11-23 04:03:55,443 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2018-11-23 04:03:55,443 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-11-23 04:03:55,443 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2018-11-23 04:03:55,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:03:55 BoogieIcfgContainer [2018-11-23 04:03:55,452 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 04:03:55,453 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 04:03:55,453 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 04:03:55,453 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 04:03:55,453 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:03:50" (3/4) ... [2018-11-23 04:03:55,456 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 04:03:55,461 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 04:03:55,461 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 04:03:55,461 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification4_spec__1 [2018-11-23 04:03:55,461 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 04:03:55,461 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 04:03:55,461 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 04:03:55,462 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 04:03:55,462 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 04:03:55,462 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 04:03:55,462 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 04:03:55,462 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 04:03:55,462 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 04:03:55,462 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 04:03:55,462 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 04:03:55,462 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 04:03:55,462 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 04:03:55,462 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 04:03:55,462 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 04:03:55,462 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 04:03:55,462 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 04:03:55,463 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 04:03:55,463 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 04:03:55,463 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 04:03:55,463 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 04:03:55,469 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2018-11-23 04:03:55,469 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 04:03:55,469 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 04:03:55,469 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 04:03:55,470 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 04:03:55,470 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 04:03:55,470 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 04:03:55,490 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(0 == \old(pumpRunning)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || ((systemActive == 0 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-23 04:03:55,491 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) [2018-11-23 04:03:55,520 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0bbf7954-b332-489b-8fe0-d5a0f4c13e69/bin-2019/utaipan/witness.graphml [2018-11-23 04:03:55,520 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 04:03:55,521 INFO L168 Benchmark]: Toolchain (without parser) took 5480.61 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 181.9 MB). Free memory was 956.6 MB in the beginning and 934.6 MB in the end (delta: 22.0 MB). Peak memory consumption was 203.9 MB. Max. memory is 11.5 GB. [2018-11-23 04:03:55,521 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:03:55,521 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 37.0 MB. Max. memory is 11.5 GB. [2018-11-23 04:03:55,522 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 04:03:55,522 INFO L168 Benchmark]: Boogie Preprocessor took 23.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 04:03:55,522 INFO L168 Benchmark]: RCFGBuilder took 445.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 11.5 GB. [2018-11-23 04:03:55,522 INFO L168 Benchmark]: TraceAbstraction took 4552.46 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 62.4 MB). Free memory was 1.1 GB in the beginning and 945.8 MB in the end (delta: 111.1 MB). Peak memory consumption was 276.8 MB. Max. memory is 11.5 GB. [2018-11-23 04:03:55,523 INFO L168 Benchmark]: Witness Printer took 67.61 ms. Allocated memory is still 1.2 GB. Free memory was 945.8 MB in the beginning and 934.6 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2018-11-23 04:03:55,524 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 362.82 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -154.5 MB). Peak memory consumption was 37.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.04 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.76 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 445.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 46.1 MB). Peak memory consumption was 46.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4552.46 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 62.4 MB). Free memory was 1.1 GB in the beginning and 945.8 MB in the end (delta: 111.1 MB). Peak memory consumption was 276.8 MB. Max. memory is 11.5 GB. * Witness Printer took 67.61 ms. Allocated memory is still 1.2 GB. Free memory was 945.8 MB in the beginning and 934.6 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 786]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 881]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 882]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || ((systemActive == 1 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || ((systemActive == 0 && \old(pumpRunning) == pumpRunning) && splverifierCounter == 0)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 25 procedures, 127 locations, 1 error locations. SAFE Result, 4.4s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 753 SDtfs, 732 SDslu, 1858 SDs, 0 SdLazy, 498 SolverSat, 222 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 150 GetRequests, 103 SyntacticMatches, 1 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=564occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.5s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 0.9965089036748833 AbsIntWeakeningRatio, 1.0795454545454546 AbsIntAvgWeakeningVarsNumRemoved, 106.73863636363636 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 36 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 649 PreInvPairs, 693 NumberOfFragments, 826 HoareAnnotationTreeSize, 649 FomulaSimplifications, 992 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 54 FomulaSimplificationsInter, 2307 FormulaSimplificationTreeSizeReductionInter, 0.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 352 NumberOfCodeBlocks, 352 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 346 ConstructedInterpolants, 0 QuantifiedInterpolants, 43640 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 21/24 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...