./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_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_3475ba6d-8507-4eff-956f-bcadad4d5e3a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3475ba6d-8507-4eff-956f-bcadad4d5e3a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3475ba6d-8507-4eff-956f-bcadad4d5e3a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3475ba6d-8507-4eff-956f-bcadad4d5e3a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product28_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3475ba6d-8507-4eff-956f-bcadad4d5e3a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3475ba6d-8507-4eff-956f-bcadad4d5e3a/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 2592b880c905533820d8c0b600fce539abba3733 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 05:48:19,210 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 05:48:19,211 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 05:48:19,218 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 05:48:19,218 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 05:48:19,219 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 05:48:19,220 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 05:48:19,221 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 05:48:19,222 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 05:48:19,222 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 05:48:19,223 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 05:48:19,223 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 05:48:19,224 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 05:48:19,225 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 05:48:19,225 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 05:48:19,226 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 05:48:19,226 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 05:48:19,227 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 05:48:19,228 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 05:48:19,229 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 05:48:19,230 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 05:48:19,231 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 05:48:19,232 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 05:48:19,233 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 05:48:19,233 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 05:48:19,233 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 05:48:19,234 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 05:48:19,235 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 05:48:19,235 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 05:48:19,236 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 05:48:19,236 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 05:48:19,237 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 05:48:19,237 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 05:48:19,237 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 05:48:19,238 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 05:48:19,238 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 05:48:19,238 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3475ba6d-8507-4eff-956f-bcadad4d5e3a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 05:48:19,247 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 05:48:19,247 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 05:48:19,248 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 05:48:19,248 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 05:48:19,248 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 05:48:19,248 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 05:48:19,249 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 05:48:19,249 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 05:48:19,249 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 05:48:19,249 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 05:48:19,249 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 05:48:19,249 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 05:48:19,249 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 05:48:19,250 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 05:48:19,250 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 05:48:19,250 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 05:48:19,250 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 05:48:19,250 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 05:48:19,250 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 05:48:19,251 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 05:48:19,251 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 05:48:19,251 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 05:48:19,251 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 05:48:19,251 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 05:48:19,251 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 05:48:19,251 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 05:48:19,252 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 05:48:19,252 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 05:48:19,252 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 05:48:19,252 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 05:48:19,252 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 05:48:19,252 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 05:48:19,252 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 05:48:19,252 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 05:48:19,253 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 05:48:19,253 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 05:48:19,253 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 05:48:19,253 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_3475ba6d-8507-4eff-956f-bcadad4d5e3a/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 -> 2592b880c905533820d8c0b600fce539abba3733 [2018-11-23 05:48:19,276 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 05:48:19,284 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 05:48:19,287 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 05:48:19,288 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 05:48:19,289 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 05:48:19,289 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3475ba6d-8507-4eff-956f-bcadad4d5e3a/bin-2019/utaipan/../../sv-benchmarks/c/product-lines/minepump_spec5_product28_true-unreach-call_false-termination.cil.c [2018-11-23 05:48:19,335 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3475ba6d-8507-4eff-956f-bcadad4d5e3a/bin-2019/utaipan/data/9c2f4ade0/7ffad7450f4541669389b6dd42696c79/FLAGa4fde4c67 [2018-11-23 05:48:19,680 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 05:48:19,680 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3475ba6d-8507-4eff-956f-bcadad4d5e3a/sv-benchmarks/c/product-lines/minepump_spec5_product28_true-unreach-call_false-termination.cil.c [2018-11-23 05:48:19,689 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3475ba6d-8507-4eff-956f-bcadad4d5e3a/bin-2019/utaipan/data/9c2f4ade0/7ffad7450f4541669389b6dd42696c79/FLAGa4fde4c67 [2018-11-23 05:48:19,700 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3475ba6d-8507-4eff-956f-bcadad4d5e3a/bin-2019/utaipan/data/9c2f4ade0/7ffad7450f4541669389b6dd42696c79 [2018-11-23 05:48:19,703 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 05:48:19,704 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 05:48:19,705 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 05:48:19,705 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 05:48:19,708 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 05:48:19,709 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:48:19" (1/1) ... [2018-11-23 05:48:19,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44db1cb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:48:19, skipping insertion in model container [2018-11-23 05:48:19,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 05:48:19" (1/1) ... [2018-11-23 05:48:19,719 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 05:48:19,750 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 05:48:19,957 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:48:19,967 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 05:48:20,084 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 05:48:20,106 INFO L195 MainTranslator]: Completed translation [2018-11-23 05:48:20,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:48:20 WrapperNode [2018-11-23 05:48:20,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 05:48:20,107 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 05:48:20,107 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 05:48:20,107 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 05:48:20,114 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:48:20" (1/1) ... [2018-11-23 05:48:20,127 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:48:20" (1/1) ... [2018-11-23 05:48:20,134 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 05:48:20,135 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 05:48:20,135 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 05:48:20,135 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 05:48:20,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:48:20" (1/1) ... [2018-11-23 05:48:20,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:48:20" (1/1) ... [2018-11-23 05:48:20,146 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:48:20" (1/1) ... [2018-11-23 05:48:20,146 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:48:20" (1/1) ... [2018-11-23 05:48:20,154 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:48:20" (1/1) ... [2018-11-23 05:48:20,160 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:48:20" (1/1) ... [2018-11-23 05:48:20,165 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:48:20" (1/1) ... [2018-11-23 05:48:20,168 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 05:48:20,168 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 05:48:20,168 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 05:48:20,168 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 05:48:20,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:48:20" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3475ba6d-8507-4eff-956f-bcadad4d5e3a/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 05:48:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2018-11-23 05:48:20,209 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2018-11-23 05:48:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 05:48:20,209 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 05:48:20,209 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2018-11-23 05:48:20,209 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2018-11-23 05:48:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2018-11-23 05:48:20,210 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2018-11-23 05:48:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 05:48:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2018-11-23 05:48:20,210 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2018-11-23 05:48:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2018-11-23 05:48:20,210 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2018-11-23 05:48:20,210 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2018-11-23 05:48:20,210 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2018-11-23 05:48:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure test [2018-11-23 05:48:20,211 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2018-11-23 05:48:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2018-11-23 05:48:20,211 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2018-11-23 05:48:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2018-11-23 05:48:20,211 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2018-11-23 05:48:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2018-11-23 05:48:20,211 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2018-11-23 05:48:20,211 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2018-11-23 05:48:20,212 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2018-11-23 05:48:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2018-11-23 05:48:20,212 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2018-11-23 05:48:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2018-11-23 05:48:20,212 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2018-11-23 05:48:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2018-11-23 05:48:20,212 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2018-11-23 05:48:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2018-11-23 05:48:20,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2018-11-23 05:48:20,212 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2018-11-23 05:48:20,213 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2018-11-23 05:48:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2018-11-23 05:48:20,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2018-11-23 05:48:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2018-11-23 05:48:20,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2018-11-23 05:48:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2018-11-23 05:48:20,213 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2018-11-23 05:48:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2018-11-23 05:48:20,213 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2018-11-23 05:48:20,213 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2018-11-23 05:48:20,214 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2018-11-23 05:48:20,214 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2018-11-23 05:48:20,214 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2018-11-23 05:48:20,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-23 05:48:20,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 05:48:20,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 05:48:20,214 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2018-11-23 05:48:20,214 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2018-11-23 05:48:20,214 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2018-11-23 05:48:20,214 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2018-11-23 05:48:20,215 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 05:48:20,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 05:48:20,612 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 05:48:20,613 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-11-23 05:48:20,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:48:20 BoogieIcfgContainer [2018-11-23 05:48:20,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 05:48:20,614 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 05:48:20,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 05:48:20,617 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 05:48:20,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 05:48:19" (1/3) ... [2018-11-23 05:48:20,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2191e3eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:48:20, skipping insertion in model container [2018-11-23 05:48:20,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 05:48:20" (2/3) ... [2018-11-23 05:48:20,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2191e3eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 05:48:20, skipping insertion in model container [2018-11-23 05:48:20,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:48:20" (3/3) ... [2018-11-23 05:48:20,620 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product28_true-unreach-call_false-termination.cil.c [2018-11-23 05:48:20,629 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 05:48:20,635 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 05:48:20,648 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 05:48:20,675 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 05:48:20,675 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 05:48:20,675 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 05:48:20,676 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 05:48:20,676 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 05:48:20,676 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 05:48:20,676 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 05:48:20,676 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 05:48:20,693 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2018-11-23 05:48:20,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-11-23 05:48:20,701 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:48:20,702 INFO L402 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] [2018-11-23 05:48:20,704 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:48:20,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:48:20,708 INFO L82 PathProgramCache]: Analyzing trace with hash 262971679, now seen corresponding path program 1 times [2018-11-23 05:48:20,710 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:48:20,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:48:20,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:48:20,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:48:20,744 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:48:20,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:48:20,903 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 05:48:20,905 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:48:20,905 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-23 05:48:20,905 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:48:20,909 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-11-23 05:48:20,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-11-23 05:48:20,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-11-23 05:48:20,918 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2018-11-23 05:48:20,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:48:20,940 INFO L93 Difference]: Finished difference Result 244 states and 303 transitions. [2018-11-23 05:48:20,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-11-23 05:48:20,941 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2018-11-23 05:48:20,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:48:20,952 INFO L225 Difference]: With dead ends: 244 [2018-11-23 05:48:20,952 INFO L226 Difference]: Without dead ends: 124 [2018-11-23 05:48:20,955 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 05:48:20,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-11-23 05:48:20,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-11-23 05:48:20,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-11-23 05:48:20,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 145 transitions. [2018-11-23 05:48:20,993 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 145 transitions. Word has length 59 [2018-11-23 05:48:20,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:48:20,993 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 145 transitions. [2018-11-23 05:48:20,994 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-11-23 05:48:20,994 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 145 transitions. [2018-11-23 05:48:20,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-23 05:48:20,996 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:48:20,997 INFO L402 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] [2018-11-23 05:48:20,997 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:48:20,997 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:48:20,997 INFO L82 PathProgramCache]: Analyzing trace with hash 1898936200, now seen corresponding path program 1 times [2018-11-23 05:48:20,997 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:48:20,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:48:20,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:48:20,999 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:48:20,999 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:48:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:48:21,077 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 05:48:21,077 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:48:21,077 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 05:48:21,078 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:48:21,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 05:48:21,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 05:48:21,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 05:48:21,080 INFO L87 Difference]: Start difference. First operand 124 states and 145 transitions. Second operand 3 states. [2018-11-23 05:48:21,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:48:21,097 INFO L93 Difference]: Finished difference Result 183 states and 213 transitions. [2018-11-23 05:48:21,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 05:48:21,098 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2018-11-23 05:48:21,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:48:21,100 INFO L225 Difference]: With dead ends: 183 [2018-11-23 05:48:21,100 INFO L226 Difference]: Without dead ends: 115 [2018-11-23 05:48:21,101 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 05:48:21,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-11-23 05:48:21,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-11-23 05:48:21,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-11-23 05:48:21,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 133 transitions. [2018-11-23 05:48:21,109 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 133 transitions. Word has length 60 [2018-11-23 05:48:21,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:48:21,109 INFO L480 AbstractCegarLoop]: Abstraction has 115 states and 133 transitions. [2018-11-23 05:48:21,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 05:48:21,110 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 133 transitions. [2018-11-23 05:48:21,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-23 05:48:21,111 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:48:21,111 INFO L402 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] [2018-11-23 05:48:21,111 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:48:21,112 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:48:21,112 INFO L82 PathProgramCache]: Analyzing trace with hash 683144174, now seen corresponding path program 1 times [2018-11-23 05:48:21,112 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:48:21,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:48:21,113 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:48:21,113 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:48:21,113 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:48:21,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:48:21,238 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 05:48:21,238 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:48:21,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 05:48:21,238 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:48:21,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 05:48:21,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 05:48:21,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-11-23 05:48:21,240 INFO L87 Difference]: Start difference. First operand 115 states and 133 transitions. Second operand 7 states. [2018-11-23 05:48:21,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:48:21,624 INFO L93 Difference]: Finished difference Result 345 states and 419 transitions. [2018-11-23 05:48:21,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 05:48:21,625 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2018-11-23 05:48:21,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:48:21,627 INFO L225 Difference]: With dead ends: 345 [2018-11-23 05:48:21,627 INFO L226 Difference]: Without dead ends: 258 [2018-11-23 05:48:21,628 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 05:48:21,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2018-11-23 05:48:21,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 246. [2018-11-23 05:48:21,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 246 states. [2018-11-23 05:48:21,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 298 transitions. [2018-11-23 05:48:21,654 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 298 transitions. Word has length 65 [2018-11-23 05:48:21,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:48:21,655 INFO L480 AbstractCegarLoop]: Abstraction has 246 states and 298 transitions. [2018-11-23 05:48:21,655 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 05:48:21,655 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 298 transitions. [2018-11-23 05:48:21,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-11-23 05:48:21,657 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 05:48:21,657 INFO L402 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] [2018-11-23 05:48:21,657 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 05:48:21,657 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 05:48:21,657 INFO L82 PathProgramCache]: Analyzing trace with hash -993644134, now seen corresponding path program 1 times [2018-11-23 05:48:21,658 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 05:48:21,658 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:48:21,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 05:48:21,659 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 05:48:21,659 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 05:48:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 05:48:21,748 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-23 05:48:21,748 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 05:48:21,748 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-11-23 05:48:21,748 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 05:48:21,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 05:48:21,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 05:48:21,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-11-23 05:48:21,749 INFO L87 Difference]: Start difference. First operand 246 states and 298 transitions. Second operand 7 states. [2018-11-23 05:48:21,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 05:48:21,962 INFO L93 Difference]: Finished difference Result 410 states and 513 transitions. [2018-11-23 05:48:21,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 05:48:21,963 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2018-11-23 05:48:21,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 05:48:21,964 INFO L225 Difference]: With dead ends: 410 [2018-11-23 05:48:21,964 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 05:48:21,966 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-11-23 05:48:21,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 05:48:21,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 05:48:21,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 05:48:21,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 05:48:21,967 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2018-11-23 05:48:21,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 05:48:21,968 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 05:48:21,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 05:48:21,968 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 05:48:21,968 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 05:48:21,971 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 05:48:22,588 INFO L451 ceAbstractionStarter]: At program point select_helpersFINAL(lines 674 680) the Hoare annotation is: true [2018-11-23 05:48:22,589 INFO L448 ceAbstractionStarter]: For program point select_helpersEXIT(lines 674 680) no Hoare annotation was computed. [2018-11-23 05:48:22,589 INFO L448 ceAbstractionStarter]: For program point valid_productEXIT(lines 681 689) no Hoare annotation was computed. [2018-11-23 05:48:22,589 INFO L451 ceAbstractionStarter]: At program point valid_productENTRY(lines 681 689) the Hoare annotation is: true [2018-11-23 05:48:22,589 INFO L448 ceAbstractionStarter]: For program point valid_productFINAL(lines 681 689) no Hoare annotation was computed. [2018-11-23 05:48:22,589 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 139 146) the Hoare annotation is: true [2018-11-23 05:48:22,589 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 139 146) no Hoare annotation was computed. [2018-11-23 05:48:22,589 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 139 146) no Hoare annotation was computed. [2018-11-23 05:48:22,589 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 147 156) the Hoare annotation is: true [2018-11-23 05:48:22,589 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 147 156) no Hoare annotation was computed. [2018-11-23 05:48:22,589 INFO L448 ceAbstractionStarter]: For program point L152(line 152) no Hoare annotation was computed. [2018-11-23 05:48:22,589 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 147 156) no Hoare annotation was computed. [2018-11-23 05:48:22,590 INFO L451 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 157 185) the Hoare annotation is: true [2018-11-23 05:48:22,590 INFO L444 ceAbstractionStarter]: At program point L172(line 172) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2018-11-23 05:48:22,590 INFO L448 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 157 185) no Hoare annotation was computed. [2018-11-23 05:48:22,590 INFO L448 ceAbstractionStarter]: For program point L170(lines 170 176) no Hoare annotation was computed. [2018-11-23 05:48:22,590 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 179) no Hoare annotation was computed. [2018-11-23 05:48:22,590 INFO L451 ceAbstractionStarter]: At program point L167(line 167) the Hoare annotation is: true [2018-11-23 05:48:22,590 INFO L448 ceAbstractionStarter]: For program point L167-1(line 167) no Hoare annotation was computed. [2018-11-23 05:48:22,590 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 182) no Hoare annotation was computed. [2018-11-23 05:48:22,590 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 157 185) no Hoare annotation was computed. [2018-11-23 05:48:22,592 INFO L451 ceAbstractionStarter]: At program point L163(line 163) the Hoare annotation is: true [2018-11-23 05:48:22,592 INFO L448 ceAbstractionStarter]: For program point L163-1(line 163) no Hoare annotation was computed. [2018-11-23 05:48:22,592 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 266 288) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 05:48:22,592 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 266 288) no Hoare annotation was computed. [2018-11-23 05:48:22,593 INFO L444 ceAbstractionStarter]: At program point L278(line 278) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1))) [2018-11-23 05:48:22,593 INFO L444 ceAbstractionStarter]: At program point L278-1(line 278) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~1 ~systemActive~0) (= 0 ~pumpRunning~0) (= ~systemActive~0 1))) [2018-11-23 05:48:22,593 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 283) no Hoare annotation was computed. [2018-11-23 05:48:22,593 INFO L448 ceAbstractionStarter]: For program point L276-1(lines 276 283) no Hoare annotation was computed. [2018-11-23 05:48:22,593 INFO L448 ceAbstractionStarter]: For program point L274(line 274) no Hoare annotation was computed. [2018-11-23 05:48:22,593 INFO L444 ceAbstractionStarter]: At program point L273(line 273) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 05:48:22,593 INFO L444 ceAbstractionStarter]: At program point L272(line 272) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 05:48:22,593 INFO L444 ceAbstractionStarter]: At program point L272-1(line 272) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 05:48:22,593 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 266 288) no Hoare annotation was computed. [2018-11-23 05:48:22,594 INFO L448 ceAbstractionStarter]: For program point stopSystemEXIT(lines 876 890) no Hoare annotation was computed. [2018-11-23 05:48:22,594 INFO L448 ceAbstractionStarter]: For program point L880(lines 880 886) no Hoare annotation was computed. [2018-11-23 05:48:22,594 INFO L444 ceAbstractionStarter]: At program point stopSystemENTRY(lines 876 890) 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))))) [2018-11-23 05:48:22,594 INFO L448 ceAbstractionStarter]: For program point stopSystemFINAL(lines 876 890) no Hoare annotation was computed. [2018-11-23 05:48:22,594 INFO L444 ceAbstractionStarter]: At program point L882(line 882) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-23 05:48:22,594 INFO L448 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 812 820) no Hoare annotation was computed. [2018-11-23 05:48:22,594 INFO L451 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 812 820) the Hoare annotation is: true [2018-11-23 05:48:22,594 INFO L448 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 812 820) no Hoare annotation was computed. [2018-11-23 05:48:22,594 INFO L451 ceAbstractionStarter]: At program point L864(line 864) the Hoare annotation is: true [2018-11-23 05:48:22,595 INFO L448 ceAbstractionStarter]: For program point L866-2(lines 866 870) no Hoare annotation was computed. [2018-11-23 05:48:22,595 INFO L448 ceAbstractionStarter]: For program point L864-1(line 864) no Hoare annotation was computed. [2018-11-23 05:48:22,595 INFO L451 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 857 875) the Hoare annotation is: true [2018-11-23 05:48:22,595 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 857 875) no Hoare annotation was computed. [2018-11-23 05:48:22,595 INFO L448 ceAbstractionStarter]: For program point L866(lines 866 870) no Hoare annotation was computed. [2018-11-23 05:48:22,595 INFO L448 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 857 875) no Hoare annotation was computed. [2018-11-23 05:48:22,595 INFO L448 ceAbstractionStarter]: For program point select_featuresEXIT(lines 667 673) no Hoare annotation was computed. [2018-11-23 05:48:22,595 INFO L451 ceAbstractionStarter]: At program point select_featuresFINAL(lines 667 673) the Hoare annotation is: true [2018-11-23 05:48:22,595 INFO L444 ceAbstractionStarter]: At program point L257(line 257) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 05:48:22,595 INFO L444 ceAbstractionStarter]: At program point runTestENTRY(lines 252 262) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 05:48:22,596 INFO L448 ceAbstractionStarter]: For program point runTestEXIT(lines 252 262) no Hoare annotation was computed. [2018-11-23 05:48:22,596 INFO L448 ceAbstractionStarter]: For program point runTestFINAL(lines 252 262) no Hoare annotation was computed. [2018-11-23 05:48:22,596 INFO L451 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 793 800) the Hoare annotation is: true [2018-11-23 05:48:22,596 INFO L448 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 793 800) no Hoare annotation was computed. [2018-11-23 05:48:22,596 INFO L448 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 793 800) no Hoare annotation was computed. [2018-11-23 05:48:22,596 INFO L444 ceAbstractionStarter]: At program point L761(line 761) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-11-23 05:48:22,596 INFO L448 ceAbstractionStarter]: For program point L761-1(lines 742 766) no Hoare annotation was computed. [2018-11-23 05:48:22,596 INFO L448 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 742 766) no Hoare annotation was computed. [2018-11-23 05:48:22,596 INFO L444 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 05:48:22,596 INFO L444 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 742 766) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (= 0 ~pumpRunning~0)) [2018-11-23 05:48:22,596 INFO L444 ceAbstractionStarter]: At program point L752(line 752) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 05:48:22,596 INFO L448 ceAbstractionStarter]: For program point L750(lines 750 758) no Hoare annotation was computed. [2018-11-23 05:48:22,596 INFO L444 ceAbstractionStarter]: At program point L748(line 748) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0)) [2018-11-23 05:48:22,597 INFO L448 ceAbstractionStarter]: For program point L748-1(line 748) no Hoare annotation was computed. [2018-11-23 05:48:22,597 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 763) no Hoare annotation was computed. [2018-11-23 05:48:22,597 INFO L448 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 734 740) no Hoare annotation was computed. [2018-11-23 05:48:22,597 INFO L451 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 734 740) the Hoare annotation is: true [2018-11-23 05:48:22,597 INFO L444 ceAbstractionStarter]: At program point L960(lines 909 961) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 05:48:22,597 INFO L444 ceAbstractionStarter]: At program point testENTRY(lines 900 967) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) (not (= |old(~systemActive~0)| 1))) [2018-11-23 05:48:22,597 INFO L448 ceAbstractionStarter]: For program point testFINAL(lines 900 967) no Hoare annotation was computed. [2018-11-23 05:48:22,597 INFO L444 ceAbstractionStarter]: At program point L950(line 950) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 05:48:22,597 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 954) no Hoare annotation was computed. [2018-11-23 05:48:22,597 INFO L444 ceAbstractionStarter]: At program point L948-1(lines 940 955) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 05:48:22,597 INFO L448 ceAbstractionStarter]: For program point L911(lines 910 959) no Hoare annotation was computed. [2018-11-23 05:48:22,597 INFO L444 ceAbstractionStarter]: At program point L942(line 942) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 05:48:22,598 INFO L448 ceAbstractionStarter]: For program point L940(lines 940 955) no Hoare annotation was computed. [2018-11-23 05:48:22,598 INFO L444 ceAbstractionStarter]: At program point L932(line 932) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 05:48:22,598 INFO L448 ceAbstractionStarter]: For program point L930(lines 930 936) no Hoare annotation was computed. [2018-11-23 05:48:22,598 INFO L448 ceAbstractionStarter]: For program point L930-1(lines 930 936) no Hoare annotation was computed. [2018-11-23 05:48:22,598 INFO L444 ceAbstractionStarter]: At program point L957(lines 910 959) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 05:48:22,598 INFO L444 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 0 ~pumpRunning~0) (= test_~splverifierCounter~0 0))) [2018-11-23 05:48:22,598 INFO L448 ceAbstractionStarter]: For program point L920(lines 920 926) no Hoare annotation was computed. [2018-11-23 05:48:22,598 INFO L448 ceAbstractionStarter]: For program point L920-1(lines 920 926) no Hoare annotation was computed. [2018-11-23 05:48:22,598 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 916) no Hoare annotation was computed. [2018-11-23 05:48:22,598 INFO L448 ceAbstractionStarter]: For program point testEXIT(lines 900 967) no Hoare annotation was computed. [2018-11-23 05:48:22,598 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2018-11-23 05:48:22,599 INFO L451 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2018-11-23 05:48:22,599 INFO L448 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2018-11-23 05:48:22,599 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 05:48:22,599 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2018-11-23 05:48:22,599 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 05:48:22,599 INFO L451 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2018-11-23 05:48:22,599 INFO L448 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2018-11-23 05:48:22,599 INFO L448 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2018-11-23 05:48:22,599 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2018-11-23 05:48:22,599 INFO L451 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2018-11-23 05:48:22,599 INFO L448 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2018-11-23 05:48:22,599 INFO L444 ceAbstractionStarter]: At program point L723(line 723) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (not (= ~systemActive~0 0)))) [2018-11-23 05:48:22,599 INFO L444 ceAbstractionStarter]: At program point L721(lines 721 727) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-23 05:48:22,600 INFO L444 ceAbstractionStarter]: At program point timeShiftENTRY(lines 707 733) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2018-11-23 05:48:22,600 INFO L444 ceAbstractionStarter]: At program point L716(line 716) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2018-11-23 05:48:22,600 INFO L448 ceAbstractionStarter]: For program point timeShiftEXIT(lines 707 733) no Hoare annotation was computed. [2018-11-23 05:48:22,600 INFO L448 ceAbstractionStarter]: For program point L714(lines 710 732) no Hoare annotation was computed. [2018-11-23 05:48:22,600 INFO L448 ceAbstractionStarter]: For program point L712(lines 710 732) no Hoare annotation was computed. [2018-11-23 05:48:22,600 INFO L448 ceAbstractionStarter]: For program point timeShiftFINAL(lines 707 733) no Hoare annotation was computed. [2018-11-23 05:48:22,600 INFO L448 ceAbstractionStarter]: For program point cleanupEXIT(lines 189 218) no Hoare annotation was computed. [2018-11-23 05:48:22,600 INFO L451 ceAbstractionStarter]: At program point cleanupENTRY(lines 189 218) the Hoare annotation is: true [2018-11-23 05:48:22,600 INFO L451 ceAbstractionStarter]: At program point L214(lines 189 218) the Hoare annotation is: true [2018-11-23 05:48:22,600 INFO L448 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2018-11-23 05:48:22,600 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 207) no Hoare annotation was computed. [2018-11-23 05:48:22,600 INFO L451 ceAbstractionStarter]: At program point L203-1(lines 203 207) the Hoare annotation is: true [2018-11-23 05:48:22,600 INFO L448 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2018-11-23 05:48:22,601 INFO L451 ceAbstractionStarter]: At program point L199-2(lines 199 213) the Hoare annotation is: true [2018-11-23 05:48:22,601 INFO L451 ceAbstractionStarter]: At program point L195(line 195) the Hoare annotation is: true [2018-11-23 05:48:22,601 INFO L448 ceAbstractionStarter]: For program point L195-1(line 195) no Hoare annotation was computed. [2018-11-23 05:48:22,601 INFO L451 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2018-11-23 05:48:22,601 INFO L448 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2018-11-23 05:48:22,601 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2018-11-23 05:48:22,601 INFO L448 ceAbstractionStarter]: For program point setupEXIT(lines 244 250) no Hoare annotation was computed. [2018-11-23 05:48:22,601 INFO L451 ceAbstractionStarter]: At program point setupFINAL(lines 244 250) the Hoare annotation is: true [2018-11-23 05:48:22,601 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 05:48:22,601 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (= ~systemActive~0 1)) [2018-11-23 05:48:22,601 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 05:48:22,601 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 05:48:22,601 INFO L448 ceAbstractionStarter]: For program point startSystemEXIT(lines 891 898) no Hoare annotation was computed. [2018-11-23 05:48:22,601 INFO L451 ceAbstractionStarter]: At program point startSystemENTRY(lines 891 898) the Hoare annotation is: true [2018-11-23 05:48:22,601 INFO L448 ceAbstractionStarter]: For program point startSystemFINAL(lines 891 898) no Hoare annotation was computed. [2018-11-23 05:48:22,601 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2018-11-23 05:48:22,601 INFO L448 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2018-11-23 05:48:22,601 INFO L451 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: true [2018-11-23 05:48:22,601 INFO L448 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 691 698) no Hoare annotation was computed. [2018-11-23 05:48:22,602 INFO L448 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 695) no Hoare annotation was computed. [2018-11-23 05:48:22,602 INFO L451 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 691 698) the Hoare annotation is: true [2018-11-23 05:48:22,602 INFO L448 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 691 698) no Hoare annotation was computed. [2018-11-23 05:48:22,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 05:48:22 BoogieIcfgContainer [2018-11-23 05:48:22,610 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 05:48:22,611 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 05:48:22,611 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 05:48:22,611 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 05:48:22,612 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 05:48:20" (3/4) ... [2018-11-23 05:48:22,615 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 05:48:22,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_helpers [2018-11-23 05:48:22,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure valid_product [2018-11-23 05:48:22,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__1 [2018-11-23 05:48:22,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__2 [2018-11-23 05:48:22,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __utac_acc__Specification5_spec__3 [2018-11-23 05:48:22,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 05:48:22,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure stopSystem [2018-11-23 05:48:22,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2018-11-23 05:48:22,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterLevel [2018-11-23 05:48:22,621 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure select_features [2018-11-23 05:48:22,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure runTest [2018-11-23 05:48:22,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2018-11-23 05:48:22,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment [2018-11-23 05:48:22,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2018-11-23 05:48:22,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure test [2018-11-23 05:48:22,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isLowWaterSensorDry [2018-11-23 05:48:22,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 05:48:22,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure getWaterLevel [2018-11-23 05:48:22,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2018-11-23 05:48:22,622 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2018-11-23 05:48:22,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2018-11-23 05:48:22,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure lowerWaterLevel [2018-11-23 05:48:22,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure setup [2018-11-23 05:48:22,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure startSystem [2018-11-23 05:48:22,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2018-11-23 05:48:22,623 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __automaton_fail [2018-11-23 05:48:22,630 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2018-11-23 05:48:22,630 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2018-11-23 05:48:22,631 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-23 05:48:22,631 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-11-23 05:48:22,631 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 05:48:22,631 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 05:48:22,632 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-23 05:48:22,652 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) [2018-11-23 05:48:22,652 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) [2018-11-23 05:48:22,682 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3475ba6d-8507-4eff-956f-bcadad4d5e3a/bin-2019/utaipan/witness.graphml [2018-11-23 05:48:22,682 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 05:48:22,682 INFO L168 Benchmark]: Toolchain (without parser) took 2979.07 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 956.6 MB in the beginning and 1.0 GB in the end (delta: -51.9 MB). Peak memory consumption was 76.5 MB. Max. memory is 11.5 GB. [2018-11-23 05:48:22,683 INFO L168 Benchmark]: CDTParser took 0.18 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 05:48:22,683 INFO L168 Benchmark]: CACSL2BoogieTranslator took 401.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -160.7 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. [2018-11-23 05:48:22,684 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.54 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. [2018-11-23 05:48:22,684 INFO L168 Benchmark]: Boogie Preprocessor took 32.86 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. [2018-11-23 05:48:22,684 INFO L168 Benchmark]: RCFGBuilder took 445.93 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: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 11.5 GB. [2018-11-23 05:48:22,684 INFO L168 Benchmark]: TraceAbstraction took 1996.09 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: 52.0 MB). Peak memory consumption was 212.6 MB. Max. memory is 11.5 GB. [2018-11-23 05:48:22,684 INFO L168 Benchmark]: Witness Printer took 71.17 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-23 05:48:22,685 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 401.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 128.5 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -160.7 MB). Peak memory consumption was 34.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 27.54 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 32.86 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 445.93 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: 47.2 MB). Peak memory consumption was 47.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1996.09 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: 52.0 MB). Peak memory consumption was 212.6 MB. Max. memory is 11.5 GB. * Witness Printer took 71.17 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 695]: 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: 189]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || (0 == pumpRunning && splverifierCounter == 0) - InvariantResult [Line: 909]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(\old(systemActive) == 1) - InvariantResult [Line: 199]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 27 procedures, 137 locations, 1 error locations. SAFE Result, 1.9s OverallTime, 4 OverallIterations, 2 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 542 SDtfs, 310 SDslu, 824 SDs, 0 SdLazy, 397 SolverSat, 78 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=246occurred 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, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 272 PreInvPairs, 296 NumberOfFragments, 412 HoareAnnotationTreeSize, 272 FomulaSimplifications, 168 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 57 FomulaSimplificationsInter, 870 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 254 NumberOfCodeBlocks, 254 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 250 ConstructedInterpolants, 0 QuantifiedInterpolants, 26598 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...