./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product19_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2bed3e8c-d0f3-44bc-8bbb-9eec42e8a688/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2bed3e8c-d0f3-44bc-8bbb-9eec42e8a688/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2bed3e8c-d0f3-44bc-8bbb-9eec42e8a688/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2bed3e8c-d0f3-44bc-8bbb-9eec42e8a688/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product19_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2bed3e8c-d0f3-44bc-8bbb-9eec42e8a688/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2bed3e8c-d0f3-44bc-8bbb-9eec42e8a688/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 9c314d63250cd17d6a50b1f2df9a5a3ff1e733f7 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 15:57:27,138 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 15:57:27,139 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 15:57:27,149 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 15:57:27,149 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 15:57:27,150 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 15:57:27,151 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 15:57:27,152 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 15:57:27,153 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 15:57:27,154 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 15:57:27,155 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 15:57:27,155 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 15:57:27,156 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 15:57:27,157 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 15:57:27,157 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 15:57:27,158 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 15:57:27,159 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 15:57:27,160 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 15:57:27,162 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 15:57:27,163 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 15:57:27,164 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 15:57:27,165 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 15:57:27,167 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 15:57:27,167 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 15:57:27,167 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 15:57:27,168 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 15:57:27,169 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 15:57:27,170 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 15:57:27,171 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 15:57:27,172 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 15:57:27,172 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 15:57:27,173 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 15:57:27,173 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 15:57:27,173 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 15:57:27,174 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 15:57:27,175 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 15:57:27,175 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2bed3e8c-d0f3-44bc-8bbb-9eec42e8a688/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 15:57:27,190 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 15:57:27,190 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 15:57:27,191 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 15:57:27,191 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 15:57:27,191 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 15:57:27,191 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 15:57:27,191 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 15:57:27,192 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 15:57:27,192 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 15:57:27,192 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 15:57:27,192 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 15:57:27,193 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 15:57:27,193 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 15:57:27,193 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 15:57:27,194 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 15:57:27,194 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 15:57:27,194 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 15:57:27,194 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 15:57:27,194 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 15:57:27,194 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 15:57:27,194 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 15:57:27,194 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 15:57:27,195 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 15:57:27,195 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 15:57:27,195 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 15:57:27,195 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 15:57:27,195 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 15:57:27,195 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 15:57:27,195 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 15:57:27,196 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:57:27,196 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 15:57:27,196 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 15:57:27,196 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 15:57:27,196 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 15:57:27,196 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 15:57:27,196 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 15:57:27,196 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 15:57:27,197 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_2bed3e8c-d0f3-44bc-8bbb-9eec42e8a688/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 -> 9c314d63250cd17d6a50b1f2df9a5a3ff1e733f7 [2018-11-18 15:57:27,232 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 15:57:27,246 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 15:57:27,249 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 15:57:27,251 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 15:57:27,251 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 15:57:27,252 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2bed3e8c-d0f3-44bc-8bbb-9eec42e8a688/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product19_true-unreach-call_false-termination.cil.c [2018-11-18 15:57:27,301 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2bed3e8c-d0f3-44bc-8bbb-9eec42e8a688/bin-2019/utaipan/data/2d3859e14/0c81cbbd5ea246709a3cc02d3827aa32/FLAGd406d10a4 [2018-11-18 15:57:27,728 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 15:57:27,729 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2bed3e8c-d0f3-44bc-8bbb-9eec42e8a688/sv-benchmarks/c/product-lines/minepump_spec5_product19_true-unreach-call_false-termination.cil.c [2018-11-18 15:57:27,738 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2bed3e8c-d0f3-44bc-8bbb-9eec42e8a688/bin-2019/utaipan/data/2d3859e14/0c81cbbd5ea246709a3cc02d3827aa32/FLAGd406d10a4 [2018-11-18 15:57:27,751 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2bed3e8c-d0f3-44bc-8bbb-9eec42e8a688/bin-2019/utaipan/data/2d3859e14/0c81cbbd5ea246709a3cc02d3827aa32 [2018-11-18 15:57:27,753 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 15:57:27,755 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 15:57:27,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 15:57:27,756 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 15:57:27,759 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 15:57:27,760 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:57:27" (1/1) ... [2018-11-18 15:57:27,763 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ef56be1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:27, skipping insertion in model container [2018-11-18 15:57:27,763 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 03:57:27" (1/1) ... [2018-11-18 15:57:27,771 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 15:57:27,809 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 15:57:28,060 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:57:28,071 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 15:57:28,262 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 15:57:28,392 INFO L195 MainTranslator]: Completed translation [2018-11-18 15:57:28,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:28 WrapperNode [2018-11-18 15:57:28,392 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 15:57:28,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 15:57:28,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 15:57:28,393 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 15:57:28,400 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:28" (1/1) ... [2018-11-18 15:57:28,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:28" (1/1) ... [2018-11-18 15:57:28,422 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 15:57:28,422 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 15:57:28,422 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 15:57:28,423 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 15:57:28,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:28" (1/1) ... [2018-11-18 15:57:28,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:28" (1/1) ... [2018-11-18 15:57:28,436 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:28" (1/1) ... [2018-11-18 15:57:28,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:28" (1/1) ... [2018-11-18 15:57:28,448 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:28" (1/1) ... [2018-11-18 15:57:28,454 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:28" (1/1) ... [2018-11-18 15:57:28,461 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:28" (1/1) ... [2018-11-18 15:57:28,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 15:57:28,465 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 15:57:28,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 15:57:28,465 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 15:57:28,466 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2bed3e8c-d0f3-44bc-8bbb-9eec42e8a688/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 15:57:28,513 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-18 15:57:28,513 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-18 15:57:28,513 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 15:57:28,513 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 15:57:28,513 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-18 15:57:28,513 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-18 15:57:28,513 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-18 15:57:28,513 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-18 15:57:28,514 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-18 15:57:28,514 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-18 15:57:28,514 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-18 15:57:28,514 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-18 15:57:28,514 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-18 15:57:28,514 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-18 15:57:28,514 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-18 15:57:28,516 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-18 15:57:28,516 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-18 15:57:28,516 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-18 15:57:28,516 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-18 15:57:28,516 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-18 15:57:28,516 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-18 15:57:28,516 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-18 15:57:28,516 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-18 15:57:28,516 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-18 15:57:28,517 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-18 15:57:28,517 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-18 15:57:28,517 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-18 15:57:28,517 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-18 15:57:28,517 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-18 15:57:28,517 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-18 15:57:28,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-18 15:57:28,517 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-18 15:57:28,517 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-18 15:57:28,517 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-18 15:57:28,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-18 15:57:28,518 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-18 15:57:28,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-18 15:57:28,518 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-18 15:57:28,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-18 15:57:28,518 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-18 15:57:28,518 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-18 15:57:28,518 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-18 15:57:28,518 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-18 15:57:28,518 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-18 15:57:28,519 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-18 15:57:28,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 15:57:28,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 15:57:28,519 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-18 15:57:28,519 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-18 15:57:28,519 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-18 15:57:28,519 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-18 15:57:28,519 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 15:57:28,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 15:57:29,724 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 15:57:29,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:57:29 BoogieIcfgContainer [2018-11-18 15:57:29,725 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 15:57:29,726 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 15:57:29,726 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 15:57:29,729 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 15:57:29,730 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 03:57:27" (1/3) ... [2018-11-18 15:57:29,730 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1da570c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:57:29, skipping insertion in model container [2018-11-18 15:57:29,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 03:57:28" (2/3) ... [2018-11-18 15:57:29,731 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1da570c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 03:57:29, skipping insertion in model container [2018-11-18 15:57:29,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:57:29" (3/3) ... [2018-11-18 15:57:29,732 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product19_true-unreach-call_false-termination.cil.c [2018-11-18 15:57:29,742 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 15:57:29,750 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 15:57:29,764 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 15:57:29,793 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 15:57:29,793 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 15:57:29,793 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 15:57:29,793 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 15:57:29,793 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 15:57:29,794 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 15:57:29,794 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 15:57:29,794 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 15:57:29,814 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states. [2018-11-18 15:57:29,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-18 15:57:29,825 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:57:29,825 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:57:29,828 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:57:29,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:57:29,836 INFO L82 PathProgramCache]: Analyzing trace with hash 2079105911, now seen corresponding path program 1 times [2018-11-18 15:57:29,838 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:57:29,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:29,882 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:57:29,882 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:29,883 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:57:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:57:30,155 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 15:57:30,157 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:57:30,157 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-18 15:57:30,157 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:57:30,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-18 15:57:30,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-18 15:57:30,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:57:30,179 INFO L87 Difference]: Start difference. First operand 135 states. Second operand 2 states. [2018-11-18 15:57:30,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:57:30,230 INFO L93 Difference]: Finished difference Result 240 states and 299 transitions. [2018-11-18 15:57:30,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-18 15:57:30,233 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-18 15:57:30,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:57:30,245 INFO L225 Difference]: With dead ends: 240 [2018-11-18 15:57:30,248 INFO L226 Difference]: Without dead ends: 122 [2018-11-18 15:57:30,251 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-18 15:57:30,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-11-18 15:57:30,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2018-11-18 15:57:30,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-11-18 15:57:30,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 143 transitions. [2018-11-18 15:57:30,335 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 143 transitions. Word has length 59 [2018-11-18 15:57:30,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:57:30,336 INFO L480 AbstractCegarLoop]: Abstraction has 122 states and 143 transitions. [2018-11-18 15:57:30,336 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-18 15:57:30,336 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2018-11-18 15:57:30,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-11-18 15:57:30,346 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:57:30,346 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:57:30,346 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:57:30,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:57:30,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1010861616, now seen corresponding path program 1 times [2018-11-18 15:57:30,347 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:57:30,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:30,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:57:30,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:30,349 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:57:30,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:57:30,579 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 15:57:30,579 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:57:30,580 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 15:57:30,580 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:57:30,581 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 15:57:30,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 15:57:30,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:57:30,582 INFO L87 Difference]: Start difference. First operand 122 states and 143 transitions. Second operand 3 states. [2018-11-18 15:57:30,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:57:30,620 INFO L93 Difference]: Finished difference Result 181 states and 211 transitions. [2018-11-18 15:57:30,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 15:57:30,621 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2018-11-18 15:57:30,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:57:30,623 INFO L225 Difference]: With dead ends: 181 [2018-11-18 15:57:30,623 INFO L226 Difference]: Without dead ends: 112 [2018-11-18 15:57:30,624 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 15:57:30,624 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-11-18 15:57:30,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2018-11-18 15:57:30,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-11-18 15:57:30,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 130 transitions. [2018-11-18 15:57:30,637 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 130 transitions. Word has length 61 [2018-11-18 15:57:30,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:57:30,638 INFO L480 AbstractCegarLoop]: Abstraction has 112 states and 130 transitions. [2018-11-18 15:57:30,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 15:57:30,638 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 130 transitions. [2018-11-18 15:57:30,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-18 15:57:30,640 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:57:30,640 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:57:30,640 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:57:30,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:57:30,641 INFO L82 PathProgramCache]: Analyzing trace with hash 2099426540, now seen corresponding path program 1 times [2018-11-18 15:57:30,641 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:57:30,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:30,643 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:57:30,643 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:30,643 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:57:30,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:57:31,058 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-18 15:57:31,059 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:57:31,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:57:31,059 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:57:31,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:57:31,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:57:31,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:57:31,061 INFO L87 Difference]: Start difference. First operand 112 states and 130 transitions. Second operand 7 states. [2018-11-18 15:57:32,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:57:32,081 INFO L93 Difference]: Finished difference Result 337 states and 409 transitions. [2018-11-18 15:57:32,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 15:57:32,082 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-18 15:57:32,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:57:32,088 INFO L225 Difference]: With dead ends: 337 [2018-11-18 15:57:32,088 INFO L226 Difference]: Without dead ends: 253 [2018-11-18 15:57:32,089 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 15:57:32,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-11-18 15:57:32,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 245. [2018-11-18 15:57:32,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-11-18 15:57:32,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 297 transitions. [2018-11-18 15:57:32,123 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 297 transitions. Word has length 65 [2018-11-18 15:57:32,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:57:32,124 INFO L480 AbstractCegarLoop]: Abstraction has 245 states and 297 transitions. [2018-11-18 15:57:32,124 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:57:32,124 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 297 transitions. [2018-11-18 15:57:32,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-11-18 15:57:32,127 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 15:57:32,128 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 15:57:32,128 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 15:57:32,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 15:57:32,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1868257505, now seen corresponding path program 1 times [2018-11-18 15:57:32,128 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 15:57:32,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:32,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 15:57:32,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 15:57:32,130 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 15:57:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 15:57:32,343 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-18 15:57:32,344 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 15:57:32,344 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-18 15:57:32,344 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 15:57:32,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 15:57:32,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 15:57:32,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-18 15:57:32,345 INFO L87 Difference]: Start difference. First operand 245 states and 297 transitions. Second operand 7 states. [2018-11-18 15:57:32,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 15:57:32,727 INFO L93 Difference]: Finished difference Result 408 states and 511 transitions. [2018-11-18 15:57:32,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-18 15:57:32,727 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 71 [2018-11-18 15:57:32,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 15:57:32,728 INFO L225 Difference]: With dead ends: 408 [2018-11-18 15:57:32,728 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 15:57:32,730 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-18 15:57:32,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 15:57:32,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 15:57:32,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 15:57:32,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 15:57:32,731 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 71 [2018-11-18 15:57:32,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 15:57:32,731 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 15:57:32,732 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 15:57:32,732 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 15:57:32,732 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 15:57:32,736 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 15:57:33,441 WARN L180 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 9 [2018-11-18 15:57:33,908 WARN L180 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 19 DAG size of output: 11 [2018-11-18 15:57:34,311 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 20 DAG size of output: 7 [2018-11-18 15:57:34,586 INFO L428 ceAbstractionStarter]: At program point select_helpersFINAL(lines 778 784) the Hoare annotation is: true [2018-11-18 15:57:34,586 INFO L425 ceAbstractionStarter]: For program point select_helpersEXIT(lines 778 784) no Hoare annotation was computed. [2018-11-18 15:57:34,586 INFO L425 ceAbstractionStarter]: For program point valid_productEXIT(lines 785 793) no Hoare annotation was computed. [2018-11-18 15:57:34,586 INFO L428 ceAbstractionStarter]: At program point valid_productENTRY(lines 785 793) the Hoare annotation is: true [2018-11-18 15:57:34,586 INFO L425 ceAbstractionStarter]: For program point valid_productFINAL(lines 785 793) no Hoare annotation was computed. [2018-11-18 15:57:34,586 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 796 803) the Hoare annotation is: true [2018-11-18 15:57:34,586 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 796 803) no Hoare annotation was computed. [2018-11-18 15:57:34,587 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 796 803) no Hoare annotation was computed. [2018-11-18 15:57:34,587 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 804 813) the Hoare annotation is: true [2018-11-18 15:57:34,587 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 804 813) no Hoare annotation was computed. [2018-11-18 15:57:34,587 INFO L425 ceAbstractionStarter]: For program point L809(line 809) no Hoare annotation was computed. [2018-11-18 15:57:34,587 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 804 813) no Hoare annotation was computed. [2018-11-18 15:57:34,587 INFO L421 ceAbstractionStarter]: At program point L829(line 829) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-18 15:57:34,587 INFO L425 ceAbstractionStarter]: For program point L827(lines 827 833) no Hoare annotation was computed. [2018-11-18 15:57:34,587 INFO L425 ceAbstractionStarter]: For program point L826(lines 826 836) no Hoare annotation was computed. [2018-11-18 15:57:34,587 INFO L428 ceAbstractionStarter]: At program point L824(line 824) the Hoare annotation is: true [2018-11-18 15:57:34,587 INFO L425 ceAbstractionStarter]: For program point L824-1(line 824) no Hoare annotation was computed. [2018-11-18 15:57:34,587 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 839) no Hoare annotation was computed. [2018-11-18 15:57:34,588 INFO L425 ceAbstractionStarter]: For program point L822-1(lines 814 842) no Hoare annotation was computed. [2018-11-18 15:57:34,588 INFO L428 ceAbstractionStarter]: At program point L820(line 820) the Hoare annotation is: true [2018-11-18 15:57:34,588 INFO L425 ceAbstractionStarter]: For program point L820-1(line 820) no Hoare annotation was computed. [2018-11-18 15:57:34,588 INFO L428 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 814 842) the Hoare annotation is: true [2018-11-18 15:57:34,588 INFO L425 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 814 842) no Hoare annotation was computed. [2018-11-18 15:57:34,588 INFO L421 ceAbstractionStarter]: At program point L929(line 929) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1))) [2018-11-18 15:57:34,588 INFO L421 ceAbstractionStarter]: At program point L929-1(line 929) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= main_~tmp~7 ~systemActive~0) (= ~systemActive~0 1))) [2018-11-18 15:57:34,588 INFO L425 ceAbstractionStarter]: For program point L927(lines 927 934) no Hoare annotation was computed. [2018-11-18 15:57:34,588 INFO L425 ceAbstractionStarter]: For program point L927-1(lines 927 934) no Hoare annotation was computed. [2018-11-18 15:57:34,588 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 917 939) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 15:57:34,588 INFO L425 ceAbstractionStarter]: For program point L925(line 925) no Hoare annotation was computed. [2018-11-18 15:57:34,589 INFO L421 ceAbstractionStarter]: At program point L924(line 924) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 15:57:34,589 INFO L421 ceAbstractionStarter]: At program point L923(line 923) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 15:57:34,589 INFO L421 ceAbstractionStarter]: At program point L923-1(line 923) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 15:57:34,589 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 917 939) no Hoare annotation was computed. [2018-11-18 15:57:34,589 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 917 939) no Hoare annotation was computed. [2018-11-18 15:57:34,589 INFO L425 ceAbstractionStarter]: For program point stopSystemEXIT(lines 276 290) no Hoare annotation was computed. [2018-11-18 15:57:34,589 INFO L421 ceAbstractionStarter]: At program point L282(line 282) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-18 15:57:34,589 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 286) no Hoare annotation was computed. [2018-11-18 15:57:34,589 INFO L421 ceAbstractionStarter]: At program point stopSystemENTRY(lines 276 290) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= |old(~systemActive~0)| 0) (not (= ~systemActive~0 0))) (or .cse0 (= 0 ~pumpRunning~0)) (or .cse0 (= ~systemActive~0 1) (not (= |old(~systemActive~0)| 1))))) [2018-11-18 15:57:34,590 INFO L425 ceAbstractionStarter]: For program point stopSystemFINAL(lines 276 290) no Hoare annotation was computed. [2018-11-18 15:57:34,590 INFO L425 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 212 220) no Hoare annotation was computed. [2018-11-18 15:57:34,590 INFO L428 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 212 220) the Hoare annotation is: true [2018-11-18 15:57:34,590 INFO L425 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 212 220) no Hoare annotation was computed. [2018-11-18 15:57:34,590 INFO L425 ceAbstractionStarter]: For program point L266(lines 266 270) no Hoare annotation was computed. [2018-11-18 15:57:34,590 INFO L428 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 257 275) the Hoare annotation is: true [2018-11-18 15:57:34,590 INFO L428 ceAbstractionStarter]: At program point L264(line 264) the Hoare annotation is: true [2018-11-18 15:57:34,590 INFO L425 ceAbstractionStarter]: For program point L266-2(lines 266 270) no Hoare annotation was computed. [2018-11-18 15:57:34,590 INFO L425 ceAbstractionStarter]: For program point L264-1(line 264) no Hoare annotation was computed. [2018-11-18 15:57:34,590 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 257 275) no Hoare annotation was computed. [2018-11-18 15:57:34,594 INFO L425 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 257 275) no Hoare annotation was computed. [2018-11-18 15:57:34,594 INFO L425 ceAbstractionStarter]: For program point select_featuresEXIT(lines 771 777) no Hoare annotation was computed. [2018-11-18 15:57:34,594 INFO L428 ceAbstractionStarter]: At program point select_featuresFINAL(lines 771 777) the Hoare annotation is: true [2018-11-18 15:57:34,594 INFO L421 ceAbstractionStarter]: At program point runTestENTRY(lines 906 916) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 15:57:34,595 INFO L421 ceAbstractionStarter]: At program point L911(line 911) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 15:57:34,595 INFO L425 ceAbstractionStarter]: For program point runTestEXIT(lines 906 916) no Hoare annotation was computed. [2018-11-18 15:57:34,595 INFO L425 ceAbstractionStarter]: For program point runTestFINAL(lines 906 916) no Hoare annotation was computed. [2018-11-18 15:57:34,595 INFO L428 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 193 200) the Hoare annotation is: true [2018-11-18 15:57:34,595 INFO L425 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 193 200) no Hoare annotation was computed. [2018-11-18 15:57:34,595 INFO L425 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 193 200) no Hoare annotation was computed. [2018-11-18 15:57:34,595 INFO L425 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 160 184) no Hoare annotation was computed. [2018-11-18 15:57:34,595 INFO L421 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 160 184) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-11-18 15:57:34,595 INFO L421 ceAbstractionStarter]: At program point L179(line 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-11-18 15:57:34,595 INFO L425 ceAbstractionStarter]: For program point L179-1(lines 160 184) no Hoare annotation was computed. [2018-11-18 15:57:34,595 INFO L421 ceAbstractionStarter]: At program point L174(line 174) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 15:57:34,595 INFO L421 ceAbstractionStarter]: At program point L170(line 170) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 15:57:34,596 INFO L425 ceAbstractionStarter]: For program point L168(lines 168 176) no Hoare annotation was computed. [2018-11-18 15:57:34,596 INFO L421 ceAbstractionStarter]: At program point L166(line 166) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-18 15:57:34,596 INFO L425 ceAbstractionStarter]: For program point L166-1(line 166) no Hoare annotation was computed. [2018-11-18 15:57:34,596 INFO L425 ceAbstractionStarter]: For program point L164(lines 164 181) no Hoare annotation was computed. [2018-11-18 15:57:34,596 INFO L425 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 152 158) no Hoare annotation was computed. [2018-11-18 15:57:34,596 INFO L428 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 152 158) the Hoare annotation is: true [2018-11-18 15:57:34,596 INFO L421 ceAbstractionStarter]: At program point testENTRY(lines 45 110) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 15:57:34,596 INFO L421 ceAbstractionStarter]: At program point L93(line 93) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 15:57:34,596 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 97) no Hoare annotation was computed. [2018-11-18 15:57:34,596 INFO L421 ceAbstractionStarter]: At program point L91-1(lines 85 98) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 15:57:34,596 INFO L425 ceAbstractionStarter]: For program point L56(lines 55 102) no Hoare annotation was computed. [2018-11-18 15:57:34,597 INFO L425 ceAbstractionStarter]: For program point testFINAL(lines 45 110) no Hoare annotation was computed. [2018-11-18 15:57:34,597 INFO L425 ceAbstractionStarter]: For program point L85(lines 85 98) no Hoare annotation was computed. [2018-11-18 15:57:34,597 INFO L421 ceAbstractionStarter]: At program point L77(line 77) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 15:57:34,597 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 81) no Hoare annotation was computed. [2018-11-18 15:57:34,597 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 75 81) no Hoare annotation was computed. [2018-11-18 15:57:34,597 INFO L421 ceAbstractionStarter]: At program point L100(lines 55 102) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 15:57:34,597 INFO L421 ceAbstractionStarter]: At program point L67(line 67) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-18 15:57:34,597 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 71) no Hoare annotation was computed. [2018-11-18 15:57:34,597 INFO L425 ceAbstractionStarter]: For program point L65-1(lines 65 71) no Hoare annotation was computed. [2018-11-18 15:57:34,597 INFO L425 ceAbstractionStarter]: For program point L57(lines 57 61) no Hoare annotation was computed. [2018-11-18 15:57:34,597 INFO L425 ceAbstractionStarter]: For program point L55-1(lines 55 102) no Hoare annotation was computed. [2018-11-18 15:57:34,598 INFO L421 ceAbstractionStarter]: At program point L103(lines 54 104) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-18 15:57:34,598 INFO L425 ceAbstractionStarter]: For program point testEXIT(lines 45 110) no Hoare annotation was computed. [2018-11-18 15:57:34,598 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 747 755) no Hoare annotation was computed. [2018-11-18 15:57:34,598 INFO L428 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 747 755) the Hoare annotation is: true [2018-11-18 15:57:34,598 INFO L425 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 747 755) no Hoare annotation was computed. [2018-11-18 15:57:34,598 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:57:34,598 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-18 15:57:34,598 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:57:34,598 INFO L428 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 738 746) the Hoare annotation is: true [2018-11-18 15:57:34,600 INFO L425 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 738 746) no Hoare annotation was computed. [2018-11-18 15:57:34,600 INFO L425 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 738 746) no Hoare annotation was computed. [2018-11-18 15:57:34,600 INFO L428 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 694 705) the Hoare annotation is: true [2018-11-18 15:57:34,600 INFO L425 ceAbstractionStarter]: For program point L698-1(lines 694 705) no Hoare annotation was computed. [2018-11-18 15:57:34,600 INFO L425 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 694 705) no Hoare annotation was computed. [2018-11-18 15:57:34,600 INFO L425 ceAbstractionStarter]: For program point cleanupEXIT(lines 845 874) no Hoare annotation was computed. [2018-11-18 15:57:34,600 INFO L425 ceAbstractionStarter]: For program point L859(lines 859 863) no Hoare annotation was computed. [2018-11-18 15:57:34,600 INFO L428 ceAbstractionStarter]: At program point L859-1(lines 859 863) the Hoare annotation is: true [2018-11-18 15:57:34,600 INFO L425 ceAbstractionStarter]: For program point L855-1(lines 855 869) no Hoare annotation was computed. [2018-11-18 15:57:34,601 INFO L428 ceAbstractionStarter]: At program point L855-3(lines 855 869) the Hoare annotation is: true [2018-11-18 15:57:34,601 INFO L428 ceAbstractionStarter]: At program point L851(line 851) the Hoare annotation is: true [2018-11-18 15:57:34,601 INFO L425 ceAbstractionStarter]: For program point L851-1(line 851) no Hoare annotation was computed. [2018-11-18 15:57:34,601 INFO L428 ceAbstractionStarter]: At program point L870(lines 845 874) the Hoare annotation is: true [2018-11-18 15:57:34,601 INFO L425 ceAbstractionStarter]: For program point L866(line 866) no Hoare annotation was computed. [2018-11-18 15:57:34,601 INFO L428 ceAbstractionStarter]: At program point cleanupENTRY(lines 845 874) the Hoare annotation is: true [2018-11-18 15:57:34,601 INFO L425 ceAbstractionStarter]: For program point L856(line 856) no Hoare annotation was computed. [2018-11-18 15:57:34,601 INFO L421 ceAbstractionStarter]: At program point timeShiftENTRY(lines 125 151) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-18 15:57:34,601 INFO L421 ceAbstractionStarter]: At program point L141(line 141) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-18 15:57:34,601 INFO L421 ceAbstractionStarter]: At program point L139(lines 139 145) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-18 15:57:34,601 INFO L425 ceAbstractionStarter]: For program point timeShiftEXIT(lines 125 151) no Hoare annotation was computed. [2018-11-18 15:57:34,601 INFO L425 ceAbstractionStarter]: For program point timeShiftFINAL(lines 125 151) no Hoare annotation was computed. [2018-11-18 15:57:34,602 INFO L421 ceAbstractionStarter]: At program point L134(line 134) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-18 15:57:34,602 INFO L425 ceAbstractionStarter]: For program point L132(lines 128 150) no Hoare annotation was computed. [2018-11-18 15:57:34,602 INFO L425 ceAbstractionStarter]: For program point L130(lines 128 150) no Hoare annotation was computed. [2018-11-18 15:57:34,602 INFO L425 ceAbstractionStarter]: For program point L674-1(lines 670 681) no Hoare annotation was computed. [2018-11-18 15:57:34,602 INFO L428 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 670 681) the Hoare annotation is: true [2018-11-18 15:57:34,602 INFO L425 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 670 681) no Hoare annotation was computed. [2018-11-18 15:57:34,602 INFO L425 ceAbstractionStarter]: For program point setupEXIT(lines 899 905) no Hoare annotation was computed. [2018-11-18 15:57:34,602 INFO L428 ceAbstractionStarter]: At program point setupFINAL(lines 899 905) the Hoare annotation is: true [2018-11-18 15:57:34,602 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 15:57:34,602 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-18 15:57:34,602 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 15:57:34,602 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 15:57:34,602 INFO L425 ceAbstractionStarter]: For program point waterRiseEXIT(lines 682 693) no Hoare annotation was computed. [2018-11-18 15:57:34,603 INFO L425 ceAbstractionStarter]: For program point L686-1(lines 682 693) no Hoare annotation was computed. [2018-11-18 15:57:34,603 INFO L428 ceAbstractionStarter]: At program point waterRiseENTRY(lines 682 693) the Hoare annotation is: true [2018-11-18 15:57:34,603 INFO L425 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 292 299) no Hoare annotation was computed. [2018-11-18 15:57:34,603 INFO L425 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 296) no Hoare annotation was computed. [2018-11-18 15:57:34,603 INFO L428 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 292 299) the Hoare annotation is: true [2018-11-18 15:57:34,603 INFO L425 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 292 299) no Hoare annotation was computed. [2018-11-18 15:57:34,617 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 03:57:34 BoogieIcfgContainer [2018-11-18 15:57:34,617 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 15:57:34,617 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 15:57:34,617 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 15:57:34,618 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 15:57:34,618 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 03:57:29" (3/4) ... [2018-11-18 15:57:34,623 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 15:57:34,628 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-18 15:57:34,628 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-18 15:57:34,629 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-18 15:57:34,629 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-18 15:57:34,629 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-18 15:57:34,629 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 15:57:34,629 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-18 15:57:34,629 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-18 15:57:34,629 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-18 15:57:34,629 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-18 15:57:34,629 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-18 15:57:34,629 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-18 15:57:34,629 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-18 15:57:34,629 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-18 15:57:34,629 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-18 15:57:34,629 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-18 15:57:34,629 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 15:57:34,629 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-18 15:57:34,630 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-18 15:57:34,630 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-18 15:57:34,630 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-18 15:57:34,630 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-18 15:57:34,630 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-18 15:57:34,630 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-18 15:57:34,630 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-18 15:57:34,637 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 39 nodes and edges [2018-11-18 15:57:34,638 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-11-18 15:57:34,638 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 15:57:34,661 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) [2018-11-18 15:57:34,661 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) [2018-11-18 15:57:34,706 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2bed3e8c-d0f3-44bc-8bbb-9eec42e8a688/bin-2019/utaipan/witness.graphml [2018-11-18 15:57:34,706 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 15:57:34,707 INFO L168 Benchmark]: Toolchain (without parser) took 6952.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 956.9 MB in the beginning and 1.0 GB in the end (delta: -65.2 MB). Peak memory consumption was 74.8 MB. Max. memory is 11.5 GB. [2018-11-18 15:57:34,708 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:57:34,708 INFO L168 Benchmark]: CACSL2BoogieTranslator took 636.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 956.9 MB in the beginning and 1.1 GB in the end (delta: -176.1 MB). Peak memory consumption was 36.6 MB. Max. memory is 11.5 GB. [2018-11-18 15:57:34,708 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 15:57:34,708 INFO L168 Benchmark]: Boogie Preprocessor took 42.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:57:34,709 INFO L168 Benchmark]: RCFGBuilder took 1260.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:57:34,709 INFO L168 Benchmark]: TraceAbstraction took 4891.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.8 MB). Peak memory consumption was 208.3 MB. Max. memory is 11.5 GB. [2018-11-18 15:57:34,709 INFO L168 Benchmark]: Witness Printer took 88.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. [2018-11-18 15:57:34,713 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 636.97 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 956.9 MB in the beginning and 1.1 GB in the end (delta: -176.1 MB). Peak memory consumption was 36.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.02 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1260.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 55.7 MB). Peak memory consumption was 55.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4891.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.8 MB). Peak memory consumption was 208.3 MB. Max. memory is 11.5 GB. * Witness Printer took 88.52 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 296]: 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: 845]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 855]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 135 locations, 1 error locations. SAFE Result, 4.8s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 1.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 530 SDtfs, 303 SDslu, 818 SDs, 0 SdLazy, 375 SolverSat, 72 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=245occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 55 LocationsWithAnnotation, 267 PreInvPairs, 290 NumberOfFragments, 395 HoareAnnotationTreeSize, 267 FomulaSimplifications, 152 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 55 FomulaSimplificationsInter, 856 FormulaSimplificationTreeSizeReductionInter, 1.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 256 NumberOfCodeBlocks, 256 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 252 ConstructedInterpolants, 0 QuantifiedInterpolants, 27204 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 12/12 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...